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Filename :
test_multipath.py
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import mock import subprocess import testtools from probert import multipath from probert.tests.helpers import random_string MP_SEP = multipath.MP_SEP class TestMultipath(testtools.TestCase): @mock.patch('probert.multipath.subprocess.run') def test_multipath_show_paths(self, m_run): mp_out = MP_SEP.join([random_string() for x in range(0, 8)]) cp = subprocess.CompletedProcess(args=['foo'], returncode=0, stdout=mp_out.encode('utf-8'), stderr="") m_run.return_value = cp expected_result = [multipath.MPath(*mp_out.split(MP_SEP))._asdict()] result = multipath.multipath_show_paths() self.assertEqual(expected_result, result) @mock.patch('probert.multipath.subprocess.run') def test_multipath_show_paths_serial_with_spaces(self, m_run): mp_out = MP_SEP.join(['sda', 'IPR-0 1234567890'] + [random_string() for x in range(0, 6)]) cp = subprocess.CompletedProcess(args=['foo'], returncode=0, stdout=mp_out.encode('utf-8'), stderr="") m_run.return_value = cp expected_result = [multipath.MPath(*mp_out.split(MP_SEP))._asdict()] result = multipath.multipath_show_paths() self.assertEqual(expected_result, result) @mock.patch('probert.multipath.subprocess.run') def test_multipath_show_paths_skips_unparsable_output(self, m_run): lines = [ MP_SEP.join([random_string() for x in range(0, 8)]), "", MP_SEP.join([random_string() for x in range(0, 8)]), ] mp_out = "\n".join(lines) cp = subprocess.CompletedProcess(args=['foo'], returncode=0, stdout=mp_out.encode('utf-8'), stderr="") m_run.return_value = cp expected_result = [multipath.MPath(*lines[0].split(MP_SEP))._asdict(), multipath.MPath(*lines[2].split(MP_SEP))._asdict()] result = multipath.multipath_show_paths() self.assertEqual(expected_result, result) @mock.patch('probert.multipath.subprocess.run') def test_multipath_show_maps(self, m_run): mp_out = MP_SEP.join([random_string() for x in range(0, 3)]) cp = subprocess.CompletedProcess(args=['foo'], returncode=0, stdout=mp_out.encode('utf-8'), stderr="") m_run.return_value = cp expected_result = [multipath.MMap(*mp_out.split(MP_SEP))._asdict()] result = multipath.multipath_show_maps() self.assertEqual(expected_result, result) @mock.patch('probert.multipath.subprocess.run') def test_multipath_show_maps_skips_unparsable_output(self, m_run): lines = [ MP_SEP.join([random_string() for x in range(0, 3)]), "", MP_SEP.join([random_string() for x in range(0, 3)]), ] mp_out = "\n".join(lines) cp = subprocess.CompletedProcess(args=['foo'], returncode=0, stdout=mp_out.encode('utf-8'), stderr="") m_run.return_value = cp expected_result = [multipath.MMap(*lines[0].split(MP_SEP))._asdict(), multipath.MMap(*lines[2].split(MP_SEP))._asdict()] result = multipath.multipath_show_maps() self.assertEqual(expected_result, result) @mock.patch('probert.multipath.subprocess.run') def test_multipath_extract_returns_empty_list_on_err(self, m_run): m_run.side_effect = subprocess.CalledProcessError(cmd=["my cmd"], returncode=1) result = multipath.multipath_show_paths() self.assertEqual([], result) @mock.patch('probert.multipath.multipath_show_paths') @mock.patch('probert.multipath.multipath_show_maps') def test_multipath_probe_collects_maps_and_paths(self, m_maps, m_paths): path_string = MP_SEP.join([random_string() for x in range(0, 8)]) paths = multipath.MPath(*path_string.split(MP_SEP))._asdict() maps_string = MP_SEP.join([random_string() for x in range(0, 3)]) maps = multipath.MMap(*maps_string.split(MP_SEP))._asdict() m_maps.return_value = [maps] m_paths.return_value = [paths] result = multipath.probe() self.assertDictEqual({'maps': [maps], 'paths': [paths]}, result)