mock utils.execute() in qemu-img unit test
There was a unit test that was not mocking utils.execute() and relying
on qemu-img being installed on the machine running the tests. This fixes
the test to mock out utils.execute() and raise a ProcessExecutionError
that simulates the expected behaviour from qemu-img.
Fixes bug: #1765122
Change-Id: Ia6fc089fce0cc0ba1fb8d4d4ffbf7f47968a0507
(cherry picked from commit 815b11f70a
)
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@ -30,8 +30,12 @@ class QemuTestCase(test.NoDBTestCase):
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images.qemu_img_info,
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'/path/that/does/not/exist')
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@mock.patch.object(utils, 'execute')
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@mock.patch.object(os.path, 'exists', return_value=True)
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def test_qemu_info_with_errors(self, path_exists):
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def test_qemu_info_with_errors(self, path_exists, mock_exec):
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err = processutils.ProcessExecutionError(
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exit_code=1, stderr='No such file or directory')
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mock_exec.side_effect = err
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self.assertRaises(exception.DiskNotFound,
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images.qemu_img_info,
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'/fake/path')
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