feat(tests): Add test for busy screen.

tests/device_tests/test_busy_state.py

@@ -0,0 +1,68 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) 2022 SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
+import time
+
+import pytest
+
+from trezorlib import btc, device
+from trezorlib.debuglink import TrezorClientDebugLink as Client
+from trezorlib.tools import parse_path
+
+PIN = "1234"
+
+pytestmark = pytest.mark.skip_t1
+
+
+@pytest.mark.setup_client(pin=PIN)
+def test_busy_state(client: Client):
+    assert client.features.unlocked is False
+    assert client.features.busy is False
+
+    # Show busy dialog for 1 minute.
+    device.set_busy(client, expiry_ms=60 * 1000)
+    assert client.features.unlocked is False
+    assert client.features.busy is True
+
+    with client:
+        client.use_pin_sequence([PIN])
+        btc.get_address(
+            client, "Bitcoin", parse_path("m/44h/0h/0h/0/0"), show_display=True
+        )
+
+    client.refresh_features()
+    assert client.features.unlocked is True
+    assert client.features.busy is True
+
+    # Hide the busy dialog.
+    device.set_busy(client, None)
+
+    assert client.features.unlocked is True
+    assert client.features.busy is False
+
+
+def test_busy_expiry(client: Client):
+    expiry_ms = 100  # 100 milliseconds
+
+    # Show the busy dialog.
+    device.set_busy(client, expiry_ms=expiry_ms)
+
+    # Wait for it to expire.
+    time.sleep(expiry_ms / 1000)
+
+    # Check that the device is no longer busy.
+    client.refresh_features()
+    assert client.features.busy is False

tests/ui_tests/fixtures.json

@@ -1535,6 +1535,8 @@
 "TT_test_basic.py::test_device_id_same": "c09de07fbbf1e047442180e2facb5482d06a1a428891b875b7dd93c9e4704ae1",
 "TT_test_basic.py::test_features": "c09de07fbbf1e047442180e2facb5482d06a1a428891b875b7dd93c9e4704ae1",
 "TT_test_basic.py::test_ping": "c09de07fbbf1e047442180e2facb5482d06a1a428891b875b7dd93c9e4704ae1",
+"TT_test_busy_state.py::test_busy_expiry": "84cbf08ffe52f79e63d32ed2298dbdc60c74059bcf59eaa69c01f13acf61c8ae",
+"TT_test_busy_state.py::test_busy_state": "0517aa3301d4f55068766dfc130139e45449d8f90213d4a51c49776e3bbb7c98",
 "TT_test_cancel.py::test_cancel_message_via_cancel[message0]": "b014449cbf1a45739d64a370b30af75df2228f48c090a02227bac8ed20c7b2dc",
 "TT_test_cancel.py::test_cancel_message_via_cancel[message1]": "b014449cbf1a45739d64a370b30af75df2228f48c090a02227bac8ed20c7b2dc",
 "TT_test_cancel.py::test_cancel_message_via_initialize[message0]": "b014449cbf1a45739d64a370b30af75df2228f48c090a02227bac8ed20c7b2dc",