mirror of https://github.com/GNS3/gns3-server
An application ID is used by IOU to generate its interface Mac addresses. They must be unique across all opened projects sharing the same computes to avoid Mac address collisions.pull/1718/head
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import pytest
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from unittest.mock import patch
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import uuid
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import sys
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pytestmark = pytest.mark.skipif(sys.platform.startswith("win"), reason="Not supported on Windows")
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if not sys.platform.startswith("win"):
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from gns3server.compute.iou import IOU
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from gns3server.compute.iou.iou_error import IOUError
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from gns3server.compute.project_manager import ProjectManager
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@pytest.fixture(scope="function")
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def iou(port_manager):
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# Cleanup the IOU object
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IOU._instance = None
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iou = IOU.instance()
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iou.port_manager = port_manager
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return iou
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def test_application_id(loop, project, iou):
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vm1_id = str(uuid.uuid4())
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vm2_id = str(uuid.uuid4())
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vm3_id = str(uuid.uuid4())
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vm1 = loop.run_until_complete(iou.create_node("PC 1", project.id, vm1_id))
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vm2 = loop.run_until_complete(iou.create_node("PC 2", project.id, vm2_id))
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assert vm1.application_id == 1
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assert vm2.application_id == 2
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loop.run_until_complete(iou.delete_node(vm1_id))
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vm3 = loop.run_until_complete(iou.create_node("PC 3", project.id, vm3_id))
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assert vm3.application_id == 1
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def test_get_application_id_multiple_project(loop, iou):
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vm1_id = str(uuid.uuid4())
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vm2_id = str(uuid.uuid4())
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vm3_id = str(uuid.uuid4())
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project1 = ProjectManager.instance().create_project(project_id=str(uuid.uuid4()))
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project2 = ProjectManager.instance().create_project(project_id=str(uuid.uuid4()))
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vm1 = loop.run_until_complete(iou.create_node("PC 1", project1.id, vm1_id))
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vm2 = loop.run_until_complete(iou.create_node("PC 2", project1.id, vm2_id))
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vm3 = loop.run_until_complete(iou.create_node("PC 2", project2.id, vm3_id))
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assert vm1.application_id == 1
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assert vm2.application_id == 2
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assert vm3.application_id == 3
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def test_get_application_id_no_id_available(loop, project, iou):
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with pytest.raises(IOUError):
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for i in range(1, 513):
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node_id = str(uuid.uuid4())
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vm = loop.run_until_complete(iou.create_node("PC {}".format(i), project.id, node_id))
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assert vm.application_id == i
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def test_get_images_directory(iou, tmpdir):
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with patch("gns3server.config.Config.get_section_config", return_value={"images_path": str(tmpdir)}):
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assert iou.get_images_directory() == str(tmpdir / "IOU")
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