Replace asyncio.async() by asyncio.ensure_future() in tests. Ref #2566.

tests/compute/docker/test_docker.py

@@ -45,7 +45,7 @@ def test_query_success(loop, vm):
 
     response.read.side_effect = read
     vm._session.request = AsyncioMagicMock(return_value=response)
-    data = loop.run_until_complete(asyncio.async(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
+    data = loop.run_until_complete(asyncio.ensure_future(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
     vm._session.request.assert_called_with('POST',
                                            'http://docker/v1.25/test',
                                            data='{"a": true}',
@@ -68,7 +68,7 @@ def test_query_error(loop, vm):
     response.read.side_effect = read
     vm._session.request = AsyncioMagicMock(return_value=response)
     with pytest.raises(DockerError):
-        data = loop.run_until_complete(asyncio.async(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
+        data = loop.run_until_complete(asyncio.ensure_future(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
     vm._session.request.assert_called_with('POST',
                                            'http://docker/v1.25/test',
                                            data='{"a": true}',
@@ -89,7 +89,7 @@ def test_query_error_json(loop, vm):
     response.read.side_effect = read
     vm._session.request = AsyncioMagicMock(return_value=response)
     with pytest.raises(DockerError):
-        data = loop.run_until_complete(asyncio.async(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
+        data = loop.run_until_complete(asyncio.ensure_future(vm.query("POST", "test", data={"a": True}, params={"b": 1})))
     vm._session.request.assert_called_with('POST',
                                            'http://docker/v1.25/test',
                                            data='{"a": true}',
@@ -126,7 +126,7 @@ def test_list_images(loop):
     ]
 
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
-        images = loop.run_until_complete(asyncio.async(Docker.instance().list_images()))
+        images = loop.run_until_complete(asyncio.ensure_future(Docker.instance().list_images()))
         mock.assert_called_with("GET", "images/json", params={"all": 0})
     assert len(images) == 5
     assert {"image": "ubuntu:12.04"} in images
@@ -160,7 +160,7 @@ def test_pull_image(loop):
 
     with asyncio_patch("gns3server.compute.docker.Docker.query", side_effect=DockerHttp404Error("404")):
         with asyncio_patch("gns3server.compute.docker.Docker.http_query", return_value=mock_query) as mock:
-            images = loop.run_until_complete(asyncio.async(Docker.instance().pull_image("ubuntu")))
+            images = loop.run_until_complete(asyncio.ensure_future(Docker.instance().pull_image("ubuntu")))
             mock.assert_called_with("POST", "images/create", params={"fromImage": "ubuntu"}, timeout=None)
 
 
@@ -174,7 +174,7 @@ def test_docker_check_connection_docker_minimum_version(vm, loop):
         asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response):
         vm._connected = False
         with pytest.raises(DockerError):
-            loop.run_until_complete(asyncio.async(vm._check_connection()))
+            loop.run_until_complete(asyncio.ensure_future(vm._check_connection()))
 
 
 def test_docker_check_connection_docker_preferred_version_against_newer(vm, loop):
@@ -185,7 +185,7 @@ def test_docker_check_connection_docker_preferred_version_against_newer(vm, loop
     with patch("gns3server.compute.docker.Docker.connector"), \
         asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response):
         vm._connected = False
-        loop.run_until_complete(asyncio.async(vm._check_connection()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_connection()))
         assert vm._api_version == DOCKER_PREFERRED_API_VERSION
 
 
@@ -197,5 +197,5 @@ def test_docker_check_connection_docker_preferred_version_against_older(vm, loop
     with patch("gns3server.compute.docker.Docker.connector"), \
         asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response):
         vm._connected = False
-        loop.run_until_complete(asyncio.async(vm._check_connection()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_connection()))
         assert vm._api_version == DOCKER_MINIMUM_API_VERSION

tests/compute/docker/test_docker_vm.py

@@ -87,7 +87,7 @@ def test_create(loop, project, manager):
     with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest")
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             mock.assert_called_with("POST", "containers/create", data={
                 "Tty": True,
                 "OpenStdin": True,
@@ -126,7 +126,7 @@ def test_create_with_tag(loop, project, manager):
     with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:16.04")
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             mock.assert_called_with("POST", "containers/create", data={
                 "Tty": True,
                 "OpenStdin": True,
@@ -168,7 +168,7 @@ def test_create_vnc(loop, project, manager):
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu", console_type="vnc", console=5900)
             vm._start_vnc = MagicMock()
             vm._display = 42
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             mock.assert_called_with("POST", "containers/create", data={
                 "Tty": True,
                 "OpenStdin": True,
@@ -214,7 +214,7 @@ def test_create_with_extra_hosts(loop, project, manager):
     with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]):
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu", extra_hosts=extra_hosts)
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             called_kwargs = mock.call_args[1]
             assert "GNS3_EXTRA_HOSTS=199.199.199.1\ttest\n199.199.199.1\ttest2" in called_kwargs["data"]["Env"]
         assert vm._extra_hosts == extra_hosts
@@ -232,7 +232,7 @@ def test_create_with_extra_hosts_wrong_format(loop, project, manager):
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response):
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu", extra_hosts=extra_hosts)
             with pytest.raises(DockerError):
-                loop.run_until_complete(asyncio.async(vm.create()))
+                loop.run_until_complete(asyncio.ensure_future(vm.create()))
 
 
 def test_create_with_empty_extra_hosts(loop, project, manager):
@@ -246,7 +246,7 @@ def test_create_with_empty_extra_hosts(loop, project, manager):
     with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]):
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu", extra_hosts=extra_hosts)
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             called_kwargs = mock.call_args[1]
             assert len([ e for e in called_kwargs["data"]["Env"] if "GNS3_EXTRA_HOSTS" in e]) == 0
 
@@ -266,7 +266,7 @@ def test_create_with_project_variables(loop, project, manager):
     with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]):
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             called_kwargs = mock.call_args[1]
             assert "VAR1=" in called_kwargs["data"]["Env"]
             assert "VAR2=VAL1" in called_kwargs["data"]["Env"]
@@ -284,7 +284,7 @@ def test_create_start_cmd(loop, project, manager):
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu:latest")
             vm._start_command = "/bin/ls"
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             mock.assert_called_with("POST", "containers/create", data={
                 "Tty": True,
                 "OpenStdin": True,
@@ -328,7 +328,7 @@ def test_create_environment(loop, project, manager):
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
             vm.environment = "YES=1\nNO=0\nGNS3_MAX_ETHERNET=eth2"
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             assert mock.call_args[1]['data']['Env'] == [
                 "container=docker",
                 "GNS3_MAX_ETHERNET=eth0",
@@ -352,7 +352,7 @@ def test_create_environment_with_last_new_line_character(loop, project, manager)
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
             vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
             vm.environment = "YES=1\nNO=0\nGNS3_MAX_ETHERNET=eth2\n"
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             assert mock.call_args[1]['data']['Env'] == [
                 "container=docker",
                 "GNS3_MAX_ETHERNET=eth0",
@@ -385,7 +385,7 @@ def test_create_image_not_available(loop, project, manager):
     vm._get_image_information.side_effect = information
     with asyncio_patch("gns3server.compute.docker.DockerVM.pull_image", return_value=True) as mock_pull:
         with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
             mock.assert_called_with("POST", "containers/create", data={
                 "Tty": True,
                 "OpenStdin": True,
@@ -431,17 +431,17 @@ def test_get_container_state(loop, vm):
         }
     }
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
-        assert loop.run_until_complete(asyncio.async(vm._get_container_state())) == "running"
+        assert loop.run_until_complete(asyncio.ensure_future(vm._get_container_state())) == "running"
 
     response["State"]["Running"] = False
     response["State"]["Paused"] = True
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
-        assert loop.run_until_complete(asyncio.async(vm._get_container_state())) == "paused"
+        assert loop.run_until_complete(asyncio.ensure_future(vm._get_container_state())) == "paused"
 
     response["State"]["Running"] = False
     response["State"]["Paused"] = False
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
-        assert loop.run_until_complete(asyncio.async(vm._get_container_state())) == "exited"
+        assert loop.run_until_complete(asyncio.ensure_future(vm._get_container_state())) == "exited"
 
 
 def test_is_running(loop, vm):
@@ -452,17 +452,17 @@ def test_is_running(loop, vm):
         }
     }
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
-        assert loop.run_until_complete(asyncio.async(vm.is_running())) is False
+        assert loop.run_until_complete(asyncio.ensure_future(vm.is_running())) is False
 
     response["State"]["Running"] = True
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
-        assert loop.run_until_complete(asyncio.async(vm.is_running())) is True
+        assert loop.run_until_complete(asyncio.ensure_future(vm.is_running())) is True
 
 
 def test_pause(loop, vm):
 
     with asyncio_patch("gns3server.compute.docker.Docker.query") as mock:
-        loop.run_until_complete(asyncio.async(vm.pause()))
+        loop.run_until_complete(asyncio.ensure_future(vm.pause()))
 
     mock.assert_called_with("POST", "containers/e90e34656842/pause")
     assert vm.status == "suspended"
@@ -471,7 +471,7 @@ def test_pause(loop, vm):
 def test_unpause(loop, vm):
 
     with asyncio_patch("gns3server.compute.docker.Docker.query") as mock:
-        loop.run_until_complete(asyncio.async(vm.unpause()))
+        loop.run_until_complete(asyncio.ensure_future(vm.unpause()))
 
     mock.assert_called_with("POST", "containers/e90e34656842/unpause")
 
@@ -491,10 +491,10 @@ def test_start(loop, vm, manager, free_console_port):
     vm._start_console = AsyncioMagicMock()
 
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
 
     with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
-        loop.run_until_complete(asyncio.async(vm.start()))
+        loop.run_until_complete(asyncio.ensure_future(vm.start()))
 
     mock_query.assert_called_with("POST", "containers/e90e34656842/start")
     vm._add_ubridge_connection.assert_called_once_with(nio, 0)
@@ -510,7 +510,7 @@ def test_start_namespace_failed(loop, vm, manager, free_console_port):
     vm.adapters = 1
 
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
 
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
         with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
@@ -520,7 +520,7 @@ def test_start_namespace_failed(loop, vm, manager, free_console_port):
                         with asyncio_patch("gns3server.compute.docker.DockerVM._get_log", return_value='Hello not available') as mock_log:
 
                             with pytest.raises(DockerError):
-                                loop.run_until_complete(asyncio.async(vm.start()))
+                                loop.run_until_complete(asyncio.ensure_future(vm.start()))
 
     mock_query.assert_any_call("POST", "containers/e90e34656842/start")
     mock_add_ubridge_connection.assert_called_once_with(nio, 0)
@@ -542,7 +542,7 @@ def test_start_without_nio(loop, vm, manager, free_console_port):
                 with asyncio_patch("gns3server.compute.docker.DockerVM._get_namespace", return_value=42) as mock_namespace:
                     with asyncio_patch("gns3server.compute.docker.DockerVM._add_ubridge_connection") as mock_add_ubridge_connection:
                         with asyncio_patch("gns3server.compute.docker.DockerVM._start_console") as mock_start_console:
-                            loop.run_until_complete(asyncio.async(vm.start()))
+                            loop.run_until_complete(asyncio.ensure_future(vm.start()))
 
     mock_query.assert_called_with("POST", "containers/e90e34656842/start")
     assert mock_add_ubridge_connection.called
@@ -555,7 +555,7 @@ def test_start_unpause(loop, vm, manager, free_console_port):
 
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="paused"):
         with asyncio_patch("gns3server.compute.docker.DockerVM.unpause", return_value="paused") as mock:
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
     assert mock.called
     assert vm.status == "started"
 
@@ -563,7 +563,7 @@ def test_start_unpause(loop, vm, manager, free_console_port):
 def test_restart(loop, vm):
 
     with asyncio_patch("gns3server.compute.docker.Docker.query") as mock:
-        loop.run_until_complete(asyncio.async(vm.restart()))
+        loop.run_until_complete(asyncio.ensure_future(vm.restart()))
 
     mock.assert_called_with("POST", "containers/e90e34656842/restart")
 
@@ -576,7 +576,7 @@ def test_stop(loop, vm):
 
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
         with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
-            loop.run_until_complete(asyncio.async(vm.stop()))
+            loop.run_until_complete(asyncio.ensure_future(vm.stop()))
             mock_query.assert_called_with("POST", "containers/e90e34656842/stop", params={"t": 5})
     assert mock.stop.called
     assert vm._ubridge_hypervisor is None
@@ -588,7 +588,7 @@ def test_stop_paused_container(loop, vm):
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="paused"):
         with asyncio_patch("gns3server.compute.docker.DockerVM.unpause") as mock_unpause:
             with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
-                loop.run_until_complete(asyncio.async(vm.stop()))
+                loop.run_until_complete(asyncio.ensure_future(vm.stop()))
                 mock_query.assert_called_with("POST", "containers/e90e34656842/stop", params={"t": 5})
                 assert mock_unpause.called
 
@@ -606,7 +606,7 @@ def test_update(loop, vm):
     with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
         with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
             with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
-                loop.run_until_complete(asyncio.async(vm.update()))
+                loop.run_until_complete(asyncio.ensure_future(vm.update()))
 
     mock_query.assert_any_call("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
     mock_query.assert_any_call("POST", "containers/create", data={
@@ -656,7 +656,7 @@ def test_update_vnc(loop, vm):
         with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
             with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
                 with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
-                    loop.run_until_complete(asyncio.async(vm.update()))
+                    loop.run_until_complete(asyncio.ensure_future(vm.update()))
 
     assert vm.console == original_console
     assert vm.aux == original_aux
@@ -675,7 +675,7 @@ def test_update_running(loop, vm):
     with asyncio_patch("gns3server.compute.docker.Docker.list_images", return_value=[{"image": "ubuntu"}]) as mock_list_images:
         with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
             with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
-                loop.run_until_complete(asyncio.async(vm.update()))
+                loop.run_until_complete(asyncio.ensure_future(vm.update()))
 
     mock_query.assert_any_call("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
     mock_query.assert_any_call("POST", "containers/create", data={
@@ -713,7 +713,7 @@ def test_delete(loop, vm):
 
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
         with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
-            loop.run_until_complete(asyncio.async(vm.delete()))
+            loop.run_until_complete(asyncio.ensure_future(vm.delete()))
         mock_query.assert_called_with("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
 
 
@@ -723,11 +723,11 @@ def test_close(loop, vm, port_manager):
            "rport": 4343,
            "rhost": "127.0.0.1"}
     nio = vm.manager.create_nio(nio)
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
 
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
         with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
-            loop.run_until_complete(asyncio.async(vm.close()))
+            loop.run_until_complete(asyncio.ensure_future(vm.close()))
         mock_query.assert_called_with("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
 
     assert vm._closed is True
@@ -742,7 +742,7 @@ def test_close_vnc(loop, vm, port_manager):
 
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="stopped"):
         with asyncio_patch("gns3server.compute.docker.Docker.query") as mock_query:
-            loop.run_until_complete(asyncio.async(vm.close()))
+            loop.run_until_complete(asyncio.ensure_future(vm.close()))
         mock_query.assert_called_with("DELETE", "containers/e90e34656842", params={"force": 1, "v": 1})
 
     assert vm._closed is True
@@ -756,7 +756,7 @@ def test_get_namespace(loop, vm):
         }
     }
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock_query:
-        assert loop.run_until_complete(asyncio.async(vm._get_namespace())) == 42
+        assert loop.run_until_complete(asyncio.ensure_future(vm._get_namespace())) == 42
     mock_query.assert_called_with("GET", "containers/e90e34656842/json")
 
 
@@ -771,7 +771,7 @@ def test_add_ubridge_connection(loop, vm):
     vm._ubridge_hypervisor = MagicMock()
     vm._namespace = 42
 
-    loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0)))
+    loop.run_until_complete(asyncio.ensure_future(vm._add_ubridge_connection(nio, 0)))
 
     calls = [
         call.send('bridge create bridge0'),
@@ -792,7 +792,7 @@ def test_add_ubridge_connection_none_nio(loop, vm):
     vm._ubridge_hypervisor = MagicMock()
     vm._namespace = 42
 
-    loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0)))
+    loop.run_until_complete(asyncio.ensure_future(vm._add_ubridge_connection(nio, 0)))
 
     calls = [
         call.send('bridge create bridge0'),
@@ -813,7 +813,7 @@ def test_add_ubridge_connection_invalid_adapter_number(loop, vm):
            "rhost": "127.0.0.1"}
     nio = vm.manager.create_nio(nio)
     with pytest.raises(DockerError):
-        loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 12)))
+        loop.run_until_complete(asyncio.ensure_future(vm._add_ubridge_connection(nio, 12)))
 
 
 def test_add_ubridge_connection_no_free_interface(loop, vm):
@@ -829,7 +829,7 @@ def test_add_ubridge_connection_no_free_interface(loop, vm):
         interfaces = ["tap-gns3-e{}".format(index) for index in range(4096)]
 
         with patch("psutil.net_if_addrs", return_value=interfaces):
-            loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0)))
+            loop.run_until_complete(asyncio.ensure_future(vm._add_ubridge_connection(nio, 0)))
 
 
 def test_adapter_add_nio_binding(vm, loop):
@@ -838,7 +838,7 @@ def test_adapter_add_nio_binding(vm, loop):
            "rport": 4343,
            "rhost": "127.0.0.1"}
     nio = vm.manager.create_nio(nio)
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
     assert vm._ethernet_adapters[0].get_nio(0) == nio
 
 
@@ -853,9 +853,9 @@ def test_adapter_udpate_nio_binding(vm, loop):
            "rhost": "127.0.0.1"}
     nio = vm.manager.create_nio(nio)
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
-        loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
 
-        loop.run_until_complete(asyncio.async(vm.adapter_update_nio_binding(0, nio)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_update_nio_binding(0, nio)))
     assert vm._ubridge_apply_filters.called
 
 
@@ -867,9 +867,9 @@ def test_adapter_udpate_nio_binding_bridge_not_started(vm, loop):
            "rhost": "127.0.0.1"}
     nio = vm.manager.create_nio(nio)
     with asyncio_patch("gns3server.compute.docker.DockerVM._get_container_state", return_value="running"):
-        loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
 
-        loop.run_until_complete(asyncio.async(vm.adapter_update_nio_binding(0, nio)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_update_nio_binding(0, nio)))
     assert vm._ubridge_apply_filters.called is False
 
 
@@ -880,7 +880,7 @@ def test_adapter_add_nio_binding_invalid_adapter(vm, loop):
            "rhost": "127.0.0.1"}
     nio = vm.manager.create_nio(nio)
     with pytest.raises(DockerError):
-        loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(12, nio)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(12, nio)))
 
 
 def test_adapter_remove_nio_binding(vm, loop):
@@ -892,10 +892,10 @@ def test_adapter_remove_nio_binding(vm, loop):
            "rport": 4343,
            "rhost": "127.0.0.1"}
     nio = vm.manager.create_nio(nio)
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
 
     with asyncio_patch("gns3server.compute.docker.DockerVM._ubridge_send") as delete_ubridge_mock:
-        loop.run_until_complete(asyncio.async(vm.adapter_remove_nio_binding(0)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_remove_nio_binding(0)))
         assert vm._ethernet_adapters[0].get_nio(0) is None
         delete_ubridge_mock.assert_any_call('bridge stop bridge0')
         delete_ubridge_mock.assert_any_call('bridge remove_nio_udp bridge0 4242 127.0.0.1 4343')
@@ -903,15 +903,15 @@ def test_adapter_remove_nio_binding(vm, loop):
 
 def test_adapter_remove_nio_binding_invalid_adapter(vm, loop):
     with pytest.raises(DockerError):
-        loop.run_until_complete(asyncio.async(vm.adapter_remove_nio_binding(12)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_remove_nio_binding(12)))
 
 
 def test_start_capture(vm, tmpdir, manager, free_console_port, loop):
 
     output_file = str(tmpdir / "test.pcap")
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
-    loop.run_until_complete(asyncio.async(vm.start_capture(0, output_file)))
+    loop.run_until_complete(asyncio.ensure_future(vm.start_capture(0, output_file)))
     assert vm._ethernet_adapters[0].get_nio(0).capturing
 
 
@@ -919,10 +919,10 @@ def test_stop_capture(vm, tmpdir, manager, free_console_port, loop):
 
     output_file = str(tmpdir / "test.pcap")
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
     loop.run_until_complete(vm.start_capture(0, output_file))
     assert vm._ethernet_adapters[0].get_nio(0).capturing
-    loop.run_until_complete(asyncio.async(vm.stop_capture(0)))
+    loop.run_until_complete(asyncio.ensure_future(vm.stop_capture(0)))
     assert vm._ethernet_adapters[0].get_nio(0).capturing is False
 
 
@@ -935,7 +935,7 @@ def test_get_log(loop, vm):
     mock_query.read = read
 
     with asyncio_patch("gns3server.compute.docker.Docker.http_query", return_value=mock_query) as mock:
-        images = loop.run_until_complete(asyncio.async(vm._get_log()))
+        images = loop.run_until_complete(asyncio.ensure_future(vm._get_log()))
         mock.assert_called_with("GET", "containers/e90e34656842/logs", params={"stderr": 1, "stdout": 1}, data={})
 
 
@@ -944,7 +944,7 @@ def test_get_image_informations(project, manager, loop):
     }
     with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
         vm = DockerVM("test", str(uuid.uuid4()), project, manager, "ubuntu")
-        loop.run_until_complete(asyncio.async(vm._get_image_information()))
+        loop.run_until_complete(asyncio.ensure_future(vm._get_image_information()))
         mock.assert_called_with("GET", "images/ubuntu:latest/json")
 
 
@@ -974,7 +974,7 @@ def test_start_vnc(vm, loop):
     with patch("shutil.which", return_value="/bin/x"):
         with asyncio_patch("gns3server.compute.docker.docker_vm.wait_for_file_creation") as mock_wait:
             with asyncio_patch("asyncio.create_subprocess_exec") as mock_exec:
-                loop.run_until_complete(asyncio.async(vm._start_vnc()))
+                loop.run_until_complete(asyncio.ensure_future(vm._start_vnc()))
     assert vm._display is not None
     mock_exec.assert_any_call("Xvfb", "-nolisten", "tcp", ":{}".format(vm._display), "-screen", "0", "1280x1024x16")
     mock_exec.assert_any_call("x11vnc", "-forever", "-nopw", "-shared", "-geometry", "1280x1024", "-display", "WAIT:{}".format(vm._display), "-rfbport", str(vm.console), "-rfbportv6", str(vm.console), "-noncache", "-listen", "127.0.0.1")
@@ -983,13 +983,13 @@ def test_start_vnc(vm, loop):
 
 def test_start_vnc_xvfb_missing(vm, loop):
     with pytest.raises(DockerError):
-        loop.run_until_complete(asyncio.async(vm._start_vnc()))
+        loop.run_until_complete(asyncio.ensure_future(vm._start_vnc()))
 
 
 def test_start_aux(vm, loop):
 
     with asyncio_patch("asyncio.subprocess.create_subprocess_exec", return_value=MagicMock()) as mock_exec:
-        loop.run_until_complete(asyncio.async(vm._start_aux()))
+        loop.run_until_complete(asyncio.ensure_future(vm._start_aux()))
     mock_exec.assert_called_with('docker', 'exec', '-i', 'e90e34656842', '/gns3/bin/busybox', 'script', '-qfc', 'while true; do TERM=vt100 /gns3/bin/busybox sh; done', '/dev/null', stderr=asyncio.subprocess.STDOUT, stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE)
 
 
@@ -1051,5 +1051,5 @@ def test_read_console_output_with_binary_mode(vm, loop):
     output_stream = MagicMock()
 
     with asyncio_patch('gns3server.compute.docker.docker_vm.DockerVM.stop'):
-        loop.run_until_complete(asyncio.async(vm._read_console_output(input_stream, output_stream)))
+        loop.run_until_complete(asyncio.ensure_future(vm._read_console_output(input_stream, output_stream)))
         output_stream.feed_data.assert_called_once_with(b"test")

tests/compute/dynamips/test_dynamips_router.py

@@ -70,6 +70,6 @@ def test_router_invalid_dynamips_path(project, manager, loop):
 
     with pytest.raises(DynamipsError):
         router = Router("test", "00010203-0405-0607-0809-0a0b0c0d0e0e", project, manager)
-        loop.run_until_complete(asyncio.async(router.create()))
+        loop.run_until_complete(asyncio.ensure_future(router.create()))
         assert router.name == "test"
         assert router.id == "00010203-0405-0607-0809-0a0b0c0d0e0e"

tests/compute/iou/test_iou_vm.py

@@ -101,7 +101,7 @@ def test_start(loop, vm):
 
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=mock_process) as mock_exec:
         mock_process.returncode = None
-        loop.run_until_complete(asyncio.async(vm.start()))
+        loop.run_until_complete(asyncio.ensure_future(vm.start()))
         assert vm.is_running()
         assert vm.command_line == ' '.join(mock_exec.call_args[0])
 
@@ -129,7 +129,7 @@ def test_start_with_iourc(loop, vm, tmpdir):
     with patch("gns3server.config.Config.get_section_config", return_value={"iourc_path": fake_file}):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=mock_process) as exec_mock:
             mock_process.returncode = None
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
             assert vm.is_running()
             arsgs, kwargs = exec_mock.call_args
             assert kwargs["env"]["IOURC"] == fake_file
@@ -167,10 +167,10 @@ def test_stop(loop, vm):
 
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
         with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
             process.returncode = None
             assert vm.is_running()
-            loop.run_until_complete(asyncio.async(vm.stop()))
+            loop.run_until_complete(asyncio.ensure_future(vm.stop()))
             assert vm.is_running() is False
             process.terminate.assert_called_with()
 
@@ -192,9 +192,9 @@ def test_reload(loop, vm, fake_iou_bin):
 
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
         with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
             assert vm.is_running()
-            loop.run_until_complete(asyncio.async(vm.reload()))
+            loop.run_until_complete(asyncio.ensure_future(vm.reload()))
             assert vm.is_running() is True
             process.terminate.assert_called_with()
 
@@ -204,7 +204,7 @@ def test_close(vm, port_manager, loop):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
             vm.start()
             port = vm.console
-            loop.run_until_complete(asyncio.async(vm.close()))
+            loop.run_until_complete(asyncio.ensure_future(vm.close()))
             # Raise an exception if the port is not free
             port_manager.reserve_tcp_port(port, vm.project)
             assert vm.is_running() is False
@@ -249,7 +249,7 @@ def test_create_netmap_config(vm):
 
 def test_build_command(vm, loop):
 
-    assert loop.run_until_complete(asyncio.async(vm._build_command())) == [vm.path, str(vm.application_id)]
+    assert loop.run_until_complete(asyncio.ensure_future(vm._build_command())) == [vm.path, str(vm.application_id)]
 
 
 def test_get_startup_config(vm):
@@ -311,11 +311,11 @@ def test_library_check(loop, vm):
 
     with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value="") as mock:
 
-        loop.run_until_complete(asyncio.async(vm._library_check()))
+        loop.run_until_complete(asyncio.ensure_future(vm._library_check()))
 
     with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value="libssl => not found") as mock:
         with pytest.raises(IOUError):
-            loop.run_until_complete(asyncio.async(vm._library_check()))
+            loop.run_until_complete(asyncio.ensure_future(vm._library_check()))
 
 
 def test_enable_l1_keepalives(loop, vm):
@@ -323,14 +323,14 @@ def test_enable_l1_keepalives(loop, vm):
     with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value="***************************************************************\n\n-l		Enable Layer 1 keepalive messages\n-u <n>		UDP port base for distributed networks\n") as mock:
 
         command = ["test"]
-        loop.run_until_complete(asyncio.async(vm._enable_l1_keepalives(command)))
+        loop.run_until_complete(asyncio.ensure_future(vm._enable_l1_keepalives(command)))
         assert command == ["test", "-l"]
 
     with asyncio_patch("gns3server.utils.asyncio.subprocess_check_output", return_value="***************************************************************\n\n-u <n>		UDP port base for distributed networks\n") as mock:
 
         command = ["test"]
         with pytest.raises(IOUError):
-            loop.run_until_complete(asyncio.async(vm._enable_l1_keepalives(command)))
+            loop.run_until_complete(asyncio.ensure_future(vm._enable_l1_keepalives(command)))
             assert command == ["test"]
 
 
@@ -338,8 +338,8 @@ def test_start_capture(vm, tmpdir, manager, free_console_port, loop):
 
     output_file = str(tmpdir / "test.pcap")
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, 0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, 0, nio)))
-    loop.run_until_complete(asyncio.async(vm.start_capture(0, 0, output_file)))
+    loop.run_until_complete(asyncio.ensure_future(vm.start_capture(0, 0, output_file)))
     assert vm._adapters[0].get_nio(0).capturing
 
 
@@ -347,10 +347,10 @@ def test_stop_capture(vm, tmpdir, manager, free_console_port, loop):
 
     output_file = str(tmpdir / "test.pcap")
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, 0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, 0, nio)))
     loop.run_until_complete(vm.start_capture(0, 0, output_file))
     assert vm._adapters[0].get_nio(0).capturing
-    loop.run_until_complete(asyncio.async(vm.stop_capture(0, 0)))
+    loop.run_until_complete(asyncio.ensure_future(vm.stop_capture(0, 0)))
     assert vm._adapters[0].get_nio(0).capturing is False
 
 
@@ -363,42 +363,42 @@ def test_invalid_iou_file(loop, vm, iourc_file):
 
     hostname = socket.gethostname()
 
-    loop.run_until_complete(asyncio.async(vm._check_iou_licence()))
+    loop.run_until_complete(asyncio.ensure_future(vm._check_iou_licence()))
 
     # Missing ;
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[license]\n{} = aaaaaaaaaaaaaaaa".format(hostname))
-        loop.run_until_complete(asyncio.async(vm._check_iou_licence()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_iou_licence()))
 
     # Key too short
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[license]\n{} = aaaaaaaaaaaaaa;".format(hostname))
-        loop.run_until_complete(asyncio.async(vm._check_iou_licence()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_iou_licence()))
 
     # Invalid hostname
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[license]\nbla = aaaaaaaaaaaaaa;")
-        loop.run_until_complete(asyncio.async(vm._check_iou_licence()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_iou_licence()))
 
     # Missing licence section
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[licensetest]\n{} = aaaaaaaaaaaaaaaa;")
-        loop.run_until_complete(asyncio.async(vm._check_iou_licence()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_iou_licence()))
 
     # Broken config file
     with pytest.raises(IOUError):
         with open(iourc_file, "w+") as f:
             f.write("[")
-        loop.run_until_complete(asyncio.async(vm._check_iou_licence()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_iou_licence()))
 
     # Missing file
     with pytest.raises(IOUError):
         os.remove(iourc_file)
-        loop.run_until_complete(asyncio.async(vm._check_iou_licence()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_iou_licence()))
 
 
 def test_iourc_content(vm):

tests/compute/qemu/test_qcow2.py

@@ -69,5 +69,5 @@ def test_rebase(tmpdir, loop):
     qcow2 = Qcow2(str(tmpdir / "linked.qcow2"))
     assert qcow2.version == 3
     assert qcow2.backing_file == "empty8G.qcow2"
-    loop.run_until_complete(asyncio.async(qcow2.rebase(qemu_img(), str(tmpdir / "empty16G.qcow2"))))
+    loop.run_until_complete(asyncio.ensure_future(qcow2.rebase(qemu_img(), str(tmpdir / "empty16G.qcow2"))))
     assert qcow2.backing_file == str(tmpdir / "empty16G.qcow2")

tests/compute/qemu/test_qemu_manager.py

@@ -41,7 +41,7 @@ def fake_qemu_img_binary(tmpdir):
 def test_get_qemu_version(loop):
 
     with asyncio_patch("gns3server.compute.qemu.subprocess_check_output", return_value="QEMU emulator version 2.2.0, Copyright (c) 2003-2008 Fabrice Bellard") as mock:
-        version = loop.run_until_complete(asyncio.async(Qemu.get_qemu_version("/tmp/qemu-test")))
+        version = loop.run_until_complete(asyncio.ensure_future(Qemu.get_qemu_version("/tmp/qemu-test")))
         if sys.platform.startswith("win"):
             assert version == ""
         else:
@@ -64,7 +64,7 @@ def test_binary_list(loop):
         else:
             version = "2.2.0"
 
-        qemus = loop.run_until_complete(asyncio.async(Qemu.binary_list()))
+        qemus = loop.run_until_complete(asyncio.ensure_future(Qemu.binary_list()))
 
         assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
         assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} in qemus
@@ -72,14 +72,14 @@ def test_binary_list(loop):
         assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
         assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86_64-spice"), "version": version} not in qemus
 
-        qemus = loop.run_until_complete(asyncio.async(Qemu.binary_list(["x86"])))
+        qemus = loop.run_until_complete(asyncio.ensure_future(Qemu.binary_list(["x86"])))
 
         assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
         assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
         assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} not in qemus
         assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
 
-        qemus = loop.run_until_complete(asyncio.async(Qemu.binary_list(["x86", "x42"])))
+        qemus = loop.run_until_complete(asyncio.ensure_future(Qemu.binary_list(["x86", "x42"])))
 
         assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
         assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
@@ -98,7 +98,7 @@ def test_img_binary_list(loop):
         os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
 
     with asyncio_patch("gns3server.compute.qemu.subprocess_check_output", return_value="qemu-img version 2.2.0, Copyright (c) 2004-2008 Fabrice Bellard") as mock:
-        qemus = loop.run_until_complete(asyncio.async(Qemu.img_binary_list()))
+        qemus = loop.run_until_complete(asyncio.ensure_future(Qemu.img_binary_list()))
 
         version = "2.2.0"
 
@@ -125,7 +125,7 @@ def test_create_image_abs_path(loop, tmpdir, fake_qemu_img_binary):
         "size": 100
     }
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        loop.run_until_complete(asyncio.async(Qemu.instance().create_disk(fake_qemu_img_binary, str(tmpdir / "hda.qcow2"), options)))
+        loop.run_until_complete(asyncio.ensure_future(Qemu.instance().create_disk(fake_qemu_img_binary, str(tmpdir / "hda.qcow2"), options)))
         args, kwargs = process.call_args
         assert args == (
             fake_qemu_img_binary,
@@ -152,7 +152,7 @@ def test_create_image_relative_path(loop, tmpdir, fake_qemu_img_binary):
     }
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
         with patch("gns3server.compute.qemu.Qemu.get_images_directory", return_value=str(tmpdir)):
-            loop.run_until_complete(asyncio.async(Qemu.instance().create_disk(fake_qemu_img_binary, "hda.qcow2", options)))
+            loop.run_until_complete(asyncio.ensure_future(Qemu.instance().create_disk(fake_qemu_img_binary, "hda.qcow2", options)))
             args, kwargs = process.call_args
             assert args == (
                 fake_qemu_img_binary,
@@ -174,7 +174,7 @@ def test_create_image_exist(loop, tmpdir, fake_qemu_img_binary):
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
         with patch("gns3server.compute.qemu.Qemu.get_images_directory", return_value=str(tmpdir)):
             with pytest.raises(QemuError):
-                loop.run_until_complete(asyncio.async(Qemu.instance().create_disk(fake_qemu_img_binary, "hda.qcow2", options)))
+                loop.run_until_complete(asyncio.ensure_future(Qemu.instance().create_disk(fake_qemu_img_binary, "hda.qcow2", options)))
                 assert not process.called
 
 
@@ -193,7 +193,7 @@ def test_create_image_with_not_supported_characters_by_filesystem(loop, tmpdir,
             patch("os.makedirs"):
 
         with pytest.raises(QemuError):
-            loop.run_until_complete(asyncio.async(Qemu.instance().create_disk(
+            loop.run_until_complete(asyncio.ensure_future(Qemu.instance().create_disk(
                 fake_qemu_img_binary, "hda.qcow2", options)))
             assert not process.called
 
@@ -201,12 +201,12 @@ def test_create_image_with_not_supported_characters_by_filesystem(loop, tmpdir,
 def test_get_kvm_archs_kvm_ok(loop):
 
     with patch("os.path.exists", return_value=True):
-        archs = loop.run_until_complete(asyncio.async(Qemu.get_kvm_archs()))
+        archs = loop.run_until_complete(asyncio.ensure_future(Qemu.get_kvm_archs()))
         if platform.machine() == 'x86_64':
             assert archs == ['x86_64', 'i386']
         else:
             assert archs == [platform.machine()]
 
     with patch("os.path.exists", return_value=False):
-        archs = loop.run_until_complete(asyncio.async(Qemu.get_kvm_archs()))
+        archs = loop.run_until_complete(asyncio.ensure_future(Qemu.get_kvm_archs()))
         assert archs == []

tests/compute/qemu/test_qemu_vm.py

@@ -118,7 +118,7 @@ def test_is_running(vm, running_subprocess_mock):
 def test_start(loop, vm, running_subprocess_mock):
     with asyncio_patch("gns3server.compute.qemu.QemuVM.start_wrap_console"):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=running_subprocess_mock) as mock:
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
             assert vm.is_running()
             assert vm.command_line == ' '.join(mock.call_args[0])
 
@@ -135,9 +135,9 @@ def test_stop(loop, vm, running_subprocess_mock):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
             nio = Qemu.instance().create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
             vm.adapter_add_nio_binding(0, nio)
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
             assert vm.is_running()
-            loop.run_until_complete(asyncio.async(vm.stop()))
+            loop.run_until_complete(asyncio.ensure_future(vm.stop()))
             assert vm.is_running() is False
             process.terminate.assert_called_with()
 
@@ -184,7 +184,7 @@ def test_termination_callback_error(vm, tmpdir, async_run):
 def test_reload(loop, vm):
 
     with asyncio_patch("gns3server.compute.qemu.QemuVM._control_vm") as mock:
-        loop.run_until_complete(asyncio.async(vm.reload()))
+        loop.run_until_complete(asyncio.ensure_future(vm.reload()))
         assert mock.called_with("system_reset")
 
 
@@ -193,33 +193,33 @@ def test_suspend(loop, vm):
     control_vm_result = MagicMock()
     control_vm_result.match.group.decode.return_value = "running"
     with asyncio_patch("gns3server.compute.qemu.QemuVM._control_vm", return_value=control_vm_result) as mock:
-        loop.run_until_complete(asyncio.async(vm.suspend()))
+        loop.run_until_complete(asyncio.ensure_future(vm.suspend()))
         assert mock.called_with("system_reset")
 
 
 def test_add_nio_binding_udp(vm, loop):
     nio = Qemu.instance().create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1", "filters": {}})
     assert nio.lport == 4242
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
     assert nio.lport == 4242
 
 
 
 def test_port_remove_nio_binding(vm, loop):
     nio = Qemu.instance().create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1", "filters": {}})
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
-    loop.run_until_complete(asyncio.async(vm.adapter_remove_nio_binding(0)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_remove_nio_binding(0)))
     assert vm._ethernet_adapters[0].ports[0] is None
 
 
 def test_close(vm, port_manager, loop):
     with asyncio_patch("gns3server.compute.qemu.QemuVM.start_wrap_console"):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
 
             console_port = vm.console
 
-            loop.run_until_complete(asyncio.async(vm.close()))
+            loop.run_until_complete(asyncio.ensure_future(vm.close()))
 
             # Raise an exception if the port is not free
             port_manager.reserve_tcp_port(console_port, vm.project)
@@ -328,7 +328,7 @@ def test_disk_options(vm, tmpdir, loop, fake_qemu_img_binary):
     open(vm._hda_disk_image, "w+").close()
 
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        options = loop.run_until_complete(asyncio.async(vm._disk_options()))
+        options = loop.run_until_complete(asyncio.ensure_future(vm._disk_options()))
         assert process.called
         args, kwargs = process.call_args
         assert args == (fake_qemu_img_binary, "create", "-o", "backing_file={}".format(vm._hda_disk_image), "-f", "qcow2", os.path.join(vm.working_dir, "hda_disk.qcow2"))
@@ -341,7 +341,7 @@ def test_cdrom_option(vm, tmpdir, loop, fake_qemu_img_binary):
     vm._cdrom_image = str(tmpdir / "test.iso")
     open(vm._cdrom_image, "w+").close()
 
-    options = loop.run_until_complete(asyncio.async(vm._build_command()))
+    options = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
 
     assert ' '.join(['-cdrom', str(tmpdir / "test.iso")]) in ' '.join(options)
 
@@ -351,7 +351,7 @@ def test_bios_option(vm, tmpdir, loop, fake_qemu_img_binary):
     vm._bios_image = str(tmpdir / "test.img")
     open(vm._bios_image, "w+").close()
 
-    options = loop.run_until_complete(asyncio.async(vm._build_command()))
+    options = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
 
     assert ' '.join(['-bios', str(tmpdir / "test.img")]) in ' '.join(options)
 
@@ -359,14 +359,14 @@ def test_bios_option(vm, tmpdir, loop, fake_qemu_img_binary):
 def test_vnc_option(vm, tmpdir, loop, fake_qemu_img_binary):
     vm._console_type = 'vnc'
     vm._console = 5905
-    options = loop.run_until_complete(asyncio.async(vm._build_command()))
+    options = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
     assert '-vnc 127.0.0.1:5' in ' '.join(options)
 
 
 def test_spice_option(vm, tmpdir, loop, fake_qemu_img_binary):
     vm._console_type = 'spice'
     vm._console = 5905
-    options = loop.run_until_complete(asyncio.async(vm._build_command()))
+    options = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
     assert '-spice addr=127.0.0.1,port=5905,disable-ticketing' in ' '.join(options)
     assert '-vga qxl' in ' '.join(options)
 
@@ -383,7 +383,7 @@ def test_disk_options_multiple_disk(vm, tmpdir, loop, fake_qemu_img_binary):
     open(vm._hdd_disk_image, "w+").close()
 
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        options = loop.run_until_complete(asyncio.async(vm._disk_options()))
+        options = loop.run_until_complete(asyncio.ensure_future(vm._disk_options()))
 
     assert options == [
         '-drive', 'file=' + os.path.join(vm.working_dir, "hda_disk.qcow2") + ',if=ide,index=0,media=disk',
@@ -400,7 +400,7 @@ def test_set_process_priority(vm, loop, fake_qemu_img_binary):
         vm._process = MagicMock()
         vm._process.pid = 42
         vm._process_priority = "low"
-        loop.run_until_complete(asyncio.async(vm._set_process_priority()))
+        loop.run_until_complete(asyncio.ensure_future(vm._set_process_priority()))
         assert process.called
         args, kwargs = process.call_args
         assert args == ("renice", "-n", "5", "-p", "42")
@@ -412,7 +412,7 @@ def test_set_process_priority_normal(vm, loop, fake_qemu_img_binary):
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
         vm._process = MagicMock()
         vm._process.pid = 42
-        loop.run_until_complete(asyncio.async(vm._set_process_priority()))
+        loop.run_until_complete(asyncio.ensure_future(vm._set_process_priority()))
         assert not process.called
 
 
@@ -429,7 +429,7 @@ def test_control_vm(vm, loop):
     reader = MagicMock()
     writer = MagicMock()
     with asyncio_patch("asyncio.open_connection", return_value=(reader, writer)) as open_connect:
-        res = loop.run_until_complete(asyncio.async(vm._control_vm("test")))
+        res = loop.run_until_complete(asyncio.ensure_future(vm._control_vm("test")))
         assert writer.write.called_with("test")
     assert res is None
 
@@ -446,7 +446,7 @@ def test_control_vm_expect_text(vm, loop, running_subprocess_mock):
         reader.readline.return_value = future
 
         vm._monitor = 4242
-        res = loop.run_until_complete(asyncio.async(vm._control_vm("test", [b"epic"])))
+        res = loop.run_until_complete(asyncio.ensure_future(vm._control_vm("test", [b"epic"])))
         assert writer.write.called_with("test")
 
     assert res == "epic product"
@@ -456,7 +456,7 @@ def test_build_command(vm, loop, fake_qemu_binary, port_manager):
 
     os.environ["DISPLAY"] = "0:0"
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         nio = vm._local_udp_tunnels[0][0]
         assert cmd == [
             fake_qemu_binary,
@@ -489,7 +489,7 @@ def test_build_command_manual_uuid(vm, loop, fake_qemu_binary, port_manager):
     vm.options = "-uuid e1c307a4-896f-11e6-81a5-3c07547807cc"
     os.environ["DISPLAY"] = "0:0"
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         assert "e1c307a4-896f-11e6-81a5-3c07547807cc" in cmd
         assert vm.id not in cmd
 
@@ -502,7 +502,7 @@ def test_build_command_kvm(linux_platform, vm, loop, fake_qemu_binary, port_mana
     vm.manager.get_qemu_version = AsyncioMagicMock(return_value="2.3.2")
     os.environ["DISPLAY"] = "0:0"
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         nio = vm._local_udp_tunnels[0][0]
         assert cmd == [
             fake_qemu_binary,
@@ -536,7 +536,7 @@ def test_build_command_kvm_2_4(linux_platform, vm, loop, fake_qemu_binary, port_
     vm.manager.get_qemu_version = AsyncioMagicMock(return_value="2.4.2")
     os.environ["DISPLAY"] = "0:0"
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         nio = vm._local_udp_tunnels[0][0]
         assert cmd == [
             fake_qemu_binary,
@@ -569,7 +569,7 @@ def test_build_command_without_display(vm, loop, fake_qemu_binary):
 
     os.environ["DISPLAY"] = ""
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         assert "-nographic" in cmd
 
 
@@ -578,7 +578,7 @@ def test_build_command_two_adapters(vm, loop, fake_qemu_binary, port_manager):
     os.environ["DISPLAY"] = "0:0"
     vm.adapters = 2
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         nio1 = vm._local_udp_tunnels[0][0]
         nio2 = vm._local_udp_tunnels[1][0]
         assert cmd == [
@@ -619,7 +619,7 @@ def test_build_command_two_adapters_mac_address(vm, loop, fake_qemu_binary, port
     mac_1 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 1)
     assert mac_0[:8] == "00:00:ab"
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         assert "e1000,mac={},netdev=gns3-0".format(mac_0) in cmd
         assert "e1000,mac={},netdev=gns3-1".format(mac_1) in cmd
 
@@ -628,7 +628,7 @@ def test_build_command_two_adapters_mac_address(vm, loop, fake_qemu_binary, port
     mac_1 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 1)
     assert mac_0[:8] == "00:42:ab"
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
         assert "e1000,mac={},netdev=gns3-0".format(mac_0) in cmd
         assert "e1000,mac={},netdev=gns3-1".format(mac_1) in cmd
 
@@ -648,7 +648,7 @@ def test_build_command_large_number_of_adapters(vm, loop, fake_qemu_binary, port
     mac_1 = int_to_macaddress(macaddress_to_int(vm._mac_address) + 1)
     assert mac_0[:8] == "00:00:ab"
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
 
     # Count if we have 100 e1000 adapters in the command
     assert len([l for l in cmd if "e1000" in l ]) == 100
@@ -672,10 +672,10 @@ def test_build_command_large_number_of_adapters(vm, loop, fake_qemu_binary, port
     vm.manager.get_qemu_version = AsyncioMagicMock(return_value="2.0.0")
     with pytest.raises(QemuError):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-            cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+            cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
     vm.adapters = 5
     with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
 
 # Windows accept this kind of mistake
 
@@ -685,7 +685,7 @@ def test_build_command_with_invalid_options(vm, loop, fake_qemu_binary):
 
     vm.options = "'test"
     with pytest.raises(QemuError):
-        cmd = loop.run_until_complete(asyncio.async(vm._build_command()))
+        cmd = loop.run_until_complete(asyncio.ensure_future(vm._build_command()))
 
 
 def test_hda_disk_image(vm, images_dir):

tests/compute/test_base_node.py

@@ -83,7 +83,7 @@ def test_close(node, loop, port_manager):
 
     node.aux = aux
     port = node.console
-    assert loop.run_until_complete(asyncio.async(node.close()))
+    assert loop.run_until_complete(asyncio.ensure_future(node.close()))
     # Raise an exception if the port is not free
     port_manager.reserve_tcp_port(port, node.project)
     # Raise an exception if the port is not free
@@ -92,7 +92,7 @@ def test_close(node, loop, port_manager):
     assert node.aux is None
 
     # Called twice closed should return False
-    assert loop.run_until_complete(asyncio.async(node.close())) is False
+    assert loop.run_until_complete(asyncio.ensure_future(node.close())) is False
 
 
 def test_aux(project, manager, port_manager):

tests/compute/test_project.py

@@ -43,7 +43,7 @@ def manager(port_manager):
 @pytest.fixture(scope="function")
 def node(project, manager, loop):
     node = manager.create_node("test", project.id, "00010203-0405-0607-0809-0a0b0c0d0e0f")
-    return loop.run_until_complete(asyncio.async(node))
+    return loop.run_until_complete(asyncio.ensure_future(node))
 
 
 def test_affect_uuid():
@@ -140,7 +140,7 @@ def test_project_delete(loop):
     project = Project(project_id=str(uuid4()))
     directory = project.path
     assert os.path.exists(directory)
-    loop.run_until_complete(asyncio.async(project.delete()))
+    loop.run_until_complete(asyncio.ensure_future(project.delete()))
     assert os.path.exists(directory) is False
 
 
@@ -150,7 +150,7 @@ def test_project_delete_permission_issue(loop):
     assert os.path.exists(directory)
     os.chmod(directory, 0)
     with pytest.raises(aiohttp.web.HTTPInternalServerError):
-        loop.run_until_complete(asyncio.async(project.delete()))
+        loop.run_until_complete(asyncio.ensure_future(project.delete()))
     os.chmod(directory, 700)
 
 
@@ -164,7 +164,7 @@ def test_project_add_node(manager):
 def test_project_close(loop, node, project):
 
     with asyncio_patch("gns3server.compute.vpcs.vpcs_vm.VPCSVM.close") as mock:
-        loop.run_until_complete(asyncio.async(project.close()))
+        loop.run_until_complete(asyncio.ensure_future(project.close()))
         assert mock.called
     assert node.id not in node.manager._nodes
 
@@ -181,7 +181,7 @@ def test_list_files(tmpdir, loop):
         with open(os.path.join(path, "test.txt"), "w+") as f:
             f.write("test2")
 
-        files = loop.run_until_complete(asyncio.async(project.list_files()))
+        files = loop.run_until_complete(asyncio.ensure_future(project.list_files()))
 
         assert files == [
             {
@@ -210,5 +210,5 @@ def test_emit(async_run):
 def test_update_project(loop):
     variables = [{"name": "TEST", "value": "VAL"}]
     project = Project(project_id=str(uuid.uuid4()))
-    loop.run_until_complete(asyncio.async(project.update(variables=variables)))
+    loop.run_until_complete(asyncio.ensure_future(project.update(variables=variables)))
     assert project.variables == variables

tests/compute/traceng/test_traceng_vm.py

@@ -56,7 +56,7 @@ def test_vm_invalid_traceng_path(vm, manager, loop):
         with pytest.raises(TraceNGError):
             nio = manager.create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
             vm.port_add_nio_binding(0, nio)
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
             assert vm.name == "test"
             assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0e"
 
@@ -72,7 +72,7 @@ def test_start(loop, vm, async_run):
         with patch("sys.platform", return_value="win"):
             with asyncio_patch("gns3server.compute.traceng.traceng_vm.TraceNGVM._check_requirements", return_value=True):
                 with asyncio_patch("asyncio.create_subprocess_exec", return_value=process) as mock_exec:
-                    loop.run_until_complete(asyncio.async(vm.start("192.168.1.2")))
+                    loop.run_until_complete(asyncio.ensure_future(vm.start("192.168.1.2")))
                     assert mock_exec.call_args[0] == (vm._traceng_path(),
                                                       '-u',
                                                       '-c',
@@ -115,7 +115,7 @@ def test_stop(loop, vm, async_run):
                     assert vm.is_running()
 
                     with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
-                        loop.run_until_complete(asyncio.async(vm.stop()))
+                        loop.run_until_complete(asyncio.ensure_future(vm.stop()))
                     assert vm.is_running() is False
 
                     process.terminate.assert_called_with()
@@ -175,5 +175,5 @@ def test_close(vm, port_manager, loop):
     with asyncio_patch("gns3server.compute.traceng.traceng_vm.TraceNGVM._check_requirements", return_value=True):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
             vm.start()
-            loop.run_until_complete(asyncio.async(vm.close()))
+            loop.run_until_complete(asyncio.ensure_future(vm.close()))
             assert vm.is_running() is False

tests/compute/virtualbox/test_virtualbox_manager.py

@@ -92,7 +92,7 @@ def test_list_vms(manager, loop):
 
     with asyncio_patch("gns3server.compute.virtualbox.VirtualBox.execute") as mock:
         mock.side_effect = execute_mock
-        vms = loop.run_until_complete(asyncio.async(manager.list_vms()))
+        vms = loop.run_until_complete(asyncio.ensure_future(manager.list_vms()))
     assert vms == [
         {"vmname": "Windows 8.1", "ram": 512},
         {"vmname": "Linux Microcore 4.7.1", "ram": 256}

tests/compute/virtualbox/test_virtualbox_vm.py

@@ -75,20 +75,20 @@ def test_rename_vmname(project, manager, async_run):
 def test_vm_valid_virtualbox_api_version(loop, project, manager):
     with asyncio_patch("gns3server.compute.virtualbox.VirtualBox.execute", return_value=["API version:  4_3"]):
         vm = VirtualBoxVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager, "test", False)
-        loop.run_until_complete(asyncio.async(vm.create()))
+        loop.run_until_complete(asyncio.ensure_future(vm.create()))
 
 
 def test_vm_invalid_virtualbox_api_version(loop, project, manager):
     with asyncio_patch("gns3server.compute.virtualbox.VirtualBox.execute", return_value=["API version:  4_2"]):
         with pytest.raises(VirtualBoxError):
             vm = VirtualBoxVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager, "test", False)
-            loop.run_until_complete(asyncio.async(vm.create()))
+            loop.run_until_complete(asyncio.ensure_future(vm.create()))
 
 
 def test_vm_adapter_add_nio_binding_adapter_not_exist(loop, vm, manager, free_console_port):
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
     with pytest.raises(VirtualBoxError):
-        loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(15, nio)))
+        loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(15, nio)))
 
 
 def test_json(vm, tmpdir, project):

tests/compute/vmware/test_vmware_vm.py

@@ -56,8 +56,8 @@ def test_start_capture(vm, tmpdir, manager, free_console_port, loop):
     output_file = str(tmpdir / "test.pcap")
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
     vm.adapters = 1
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
-    loop.run_until_complete(asyncio.async(vm.start_capture(0, output_file)))
+    loop.run_until_complete(asyncio.ensure_future(vm.start_capture(0, output_file)))
     assert vm._ethernet_adapters[0].get_nio(0).capturing
 
 
@@ -66,8 +66,8 @@ def test_stop_capture(vm, tmpdir, manager, free_console_port, loop):
     output_file = str(tmpdir / "test.pcap")
     nio = manager.create_nio({"type": "nio_udp", "lport": free_console_port, "rport": free_console_port, "rhost": "127.0.0.1"})
     vm.adapters = 1
-    loop.run_until_complete(asyncio.async(vm.adapter_add_nio_binding(0, nio)))
+    loop.run_until_complete(asyncio.ensure_future(vm.adapter_add_nio_binding(0, nio)))
     loop.run_until_complete(vm.start_capture(0, output_file))
     assert vm._ethernet_adapters[0].get_nio(0).capturing
-    loop.run_until_complete(asyncio.async(vm.stop_capture(0)))
+    loop.run_until_complete(asyncio.ensure_future(vm.stop_capture(0)))
     assert vm._ethernet_adapters[0].get_nio(0).capturing is False

tests/compute/vpcs/test_vpcs_vm.py

@@ -56,13 +56,13 @@ def test_vm(project, manager):
 
 def test_vm_check_vpcs_version(loop, vm, manager):
     with asyncio_patch("gns3server.compute.vpcs.vpcs_vm.subprocess_check_output", return_value="Welcome to Virtual PC Simulator, version 0.9"):
-        loop.run_until_complete(asyncio.async(vm._check_vpcs_version()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_vpcs_version()))
         assert vm._vpcs_version == parse_version("0.9")
 
 
 def test_vm_check_vpcs_version_0_6_1(loop, vm, manager):
     with asyncio_patch("gns3server.compute.vpcs.vpcs_vm.subprocess_check_output", return_value="Welcome to Virtual PC Simulator, version 0.6.1"):
-        loop.run_until_complete(asyncio.async(vm._check_vpcs_version()))
+        loop.run_until_complete(asyncio.ensure_future(vm._check_vpcs_version()))
         assert vm._vpcs_version == parse_version("0.6.1")
 
 
@@ -71,7 +71,7 @@ def test_vm_invalid_vpcs_version(loop, manager, vm):
         with pytest.raises(VPCSError):
             nio = manager.create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1", "filters": {}})
             vm.port_add_nio_binding(0, nio)
-            loop.run_until_complete(asyncio.async(vm._check_vpcs_version()))
+            loop.run_until_complete(asyncio.ensure_future(vm._check_vpcs_version()))
             assert vm.name == "test"
             assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0f"
 
@@ -81,7 +81,7 @@ def test_vm_invalid_vpcs_path(vm, manager, loop):
         with pytest.raises(VPCSError):
             nio = manager.create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
             vm.port_add_nio_binding(0, nio)
-            loop.run_until_complete(asyncio.async(vm.start()))
+            loop.run_until_complete(asyncio.ensure_future(vm.start()))
             assert vm.name == "test"
             assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0e"
 
@@ -96,7 +96,7 @@ def test_start(loop, vm, async_run):
         with asyncio_patch("gns3server.compute.vpcs.vpcs_vm.VPCSVM._check_requirements", return_value=True):
             with asyncio_patch("asyncio.create_subprocess_exec", return_value=process) as mock_exec:
                 with asyncio_patch("gns3server.compute.vpcs.vpcs_vm.VPCSVM.start_wrap_console"):
-                    loop.run_until_complete(asyncio.async(vm.start()))
+                    loop.run_until_complete(asyncio.ensure_future(vm.start()))
                     assert mock_exec.call_args[0] == (vm._vpcs_path(),
                                                       '-p',
                                                       str(vm._internal_console_port),
@@ -169,7 +169,7 @@ def test_stop(loop, vm, async_run):
                     assert vm.is_running()
 
                     with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
-                        loop.run_until_complete(asyncio.async(vm.stop()))
+                        loop.run_until_complete(asyncio.ensure_future(vm.stop()))
                     assert vm.is_running() is False
 
                     if sys.platform.startswith("win"):
@@ -300,5 +300,5 @@ def test_close(vm, port_manager, loop):
     with asyncio_patch("gns3server.compute.vpcs.vpcs_vm.VPCSVM._check_requirements", return_value=True):
         with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
             vm.start()
-            loop.run_until_complete(asyncio.async(vm.close()))
+            loop.run_until_complete(asyncio.ensure_future(vm.close()))
             assert vm.is_running() is False

tests/conftest.py

@@ -314,7 +314,7 @@ def async_run(loop):
     """
     Shortcut for running in asyncio loop
     """
-    return lambda x: loop.run_until_complete(asyncio.async(x))
+    return lambda x: loop.run_until_complete(asyncio.ensure_future(x))
 
 
 @pytest.yield_fixture

tests/handlers/api/base.py

@@ -74,7 +74,7 @@ class Query:
             response = yield from self._session.ws_connect(self.get_url(path))
             future.set_result(response)
         future = asyncio.Future()
-        asyncio.async(go_request(future))
+        asyncio.ensure_future(go_request(future))
         self._loop.run_until_complete(future)
         return future.result()
 
@@ -85,7 +85,7 @@ class Query:
             - example if True the session is included inside documentation
             - raw do not JSON encode the query
         """
-        return self._loop.run_until_complete(asyncio.async(self._async_fetch(method, path, body=body, **kwargs)))
+        return self._loop.run_until_complete(asyncio.ensure_future(self._async_fetch(method, path, body=body, **kwargs)))
 
     @asyncio.coroutine
     def _async_fetch(self, method, path, body=None, **kwargs):

tests/handlers/api/controller/test_link.py

@@ -356,7 +356,7 @@ def test_pcap(http_controller, tmpdir, project, compute, loop):
     project._links = {link.id: link}
 
     future = asyncio.Future()
-    asyncio.async(go(future))
+    asyncio.ensure_future(go(future))
     response = loop.run_until_complete(future)
     assert response.status == 200
     assert b'hello' == response.body

tests/handlers/api/controller/test_project.py

@@ -179,7 +179,7 @@ def test_notification(http_controller, project, controller, loop, async_run):
         response.close()
         return response
 
-    response = async_run(asyncio.async(go()))
+    response = async_run(asyncio.ensure_future(go()))
     assert response.status == 200
     assert b'"action": "ping"' in response.body
     assert b'"cpu_usage_percent"' in response.body

tests/utils/test_asyncio.py

@@ -31,7 +31,7 @@ def test_wait_run_in_executor(loop):
         return param
 
     exec = wait_run_in_executor(change_var, "test")
-    result = loop.run_until_complete(asyncio.async(exec))
+    result = loop.run_until_complete(asyncio.ensure_future(exec))
     assert result == "test"
 
 
@@ -42,7 +42,7 @@ def test_exception_wait_run_in_executor(loop):
 
     exec = wait_run_in_executor(raise_exception)
     with pytest.raises(Exception):
-        result = loop.run_until_complete(asyncio.async(exec))
+        result = loop.run_until_complete(asyncio.ensure_future(exec))
 
 
 @pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
@@ -52,7 +52,7 @@ def test_subprocess_check_output(loop, tmpdir, restore_original_path):
     with open(path, "w+") as f:
         f.write("TEST")
     exec = subprocess_check_output("cat", path)
-    result = loop.run_until_complete(asyncio.async(exec))
+    result = loop.run_until_complete(asyncio.ensure_future(exec))
     assert result == "TEST"
 
 
@@ -64,13 +64,13 @@ def test_wait_for_process_termination(loop):
     process = MagicMock()
     process.returncode = 0
     exec = wait_for_process_termination(process)
-    loop.run_until_complete(asyncio.async(exec))
+    loop.run_until_complete(asyncio.ensure_future(exec))
 
     process = MagicMock()
     process.returncode = None
     exec = wait_for_process_termination(process, timeout=0.5)
     with pytest.raises(asyncio.TimeoutError):
-        loop.run_until_complete(asyncio.async(exec))
+        loop.run_until_complete(asyncio.ensure_future(exec))
 
 
 def test_lock_decorator(loop):