Coverage for tests/test_preExecInit.py: 15%
69 statements
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1# This file is part of ctrl_mpexec.
2#
3# Developed for the LSST Data Management System.
4# This product includes software developed by the LSST Project
5# (https://www.lsst.org).
6# See the COPYRIGHT file at the top-level directory of this distribution
7# for details of code ownership.
8#
9# This software is dual licensed under the GNU General Public License and also
10# under a 3-clause BSD license. Recipients may choose which of these licenses
11# to use; please see the files gpl-3.0.txt and/or bsd_license.txt,
12# respectively. If you choose the GPL option then the following text applies
13# (but note that there is still no warranty even if you opt for BSD instead):
14#
15# This program is free software: you can redistribute it and/or modify
16# it under the terms of the GNU General Public License as published by
17# the Free Software Foundation, either version 3 of the License, or
18# (at your option) any later version.
19#
20# This program is distributed in the hope that it will be useful,
21# but WITHOUT ANY WARRANTY; without even the implied warranty of
22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23# GNU General Public License for more details.
24#
25# You should have received a copy of the GNU General Public License
26# along with this program. If not, see <https://www.gnu.org/licenses/>.
28"""Simple unit test for PreExecInit class.
29"""
31import contextlib
32import shutil
33import tempfile
34import unittest
36from lsst.ctrl.mpexec import PreExecInit
37from lsst.pipe.base.tests.simpleQGraph import AddTaskFactoryMock, makeSimpleQGraph
40@contextlib.contextmanager
41def temporaryDirectory():
42 """Context manager that creates and destroys temporary directory.
44 Difference from `tempfile.TemporaryDirectory` is that it ignores errors
45 when deleting a directory, which may happen with some filesystems.
47 Yields
48 ------
49 `str`
50 The temporary directory.
51 """
52 tmpdir = tempfile.mkdtemp()
53 yield tmpdir
54 shutil.rmtree(tmpdir, ignore_errors=True)
57class PreExecInitTestCase(unittest.TestCase):
58 """A test case for PreExecInit."""
60 def test_saveInitOutputs(self):
61 taskFactory = AddTaskFactoryMock()
62 for extendRun in (False, True):
63 with self.subTest(extendRun=extendRun):
64 with temporaryDirectory() as tmpdir:
65 butler, qgraph = makeSimpleQGraph(root=tmpdir)
66 preExecInit = PreExecInit(butler=butler, taskFactory=taskFactory, extendRun=extendRun)
67 preExecInit.saveInitOutputs(qgraph)
69 def test_saveInitOutputs_twice(self):
70 taskFactory = AddTaskFactoryMock()
71 for extendRun in (False, True):
72 with self.subTest(extendRun=extendRun):
73 with temporaryDirectory() as tmpdir:
74 butler, qgraph = makeSimpleQGraph(root=tmpdir)
75 preExecInit = PreExecInit(butler=butler, taskFactory=taskFactory, extendRun=extendRun)
76 preExecInit.saveInitOutputs(qgraph)
77 if extendRun:
78 # will ignore this
79 preExecInit.saveInitOutputs(qgraph)
80 else:
81 # Second time it will fail
82 with self.assertRaises(Exception):
83 preExecInit.saveInitOutputs(qgraph)
85 def test_saveConfigs(self):
86 for extendRun in (False, True):
87 with self.subTest(extendRun=extendRun):
88 with temporaryDirectory() as tmpdir:
89 butler, qgraph = makeSimpleQGraph(root=tmpdir)
90 preExecInit = PreExecInit(butler=butler, taskFactory=None, extendRun=extendRun)
91 preExecInit.saveConfigs(qgraph)
93 def test_saveConfigs_twice(self):
94 for extendRun in (False, True):
95 with self.subTest(extendRun=extendRun):
96 with temporaryDirectory() as tmpdir:
97 butler, qgraph = makeSimpleQGraph(root=tmpdir)
98 preExecInit = PreExecInit(butler=butler, taskFactory=None, extendRun=extendRun)
99 preExecInit.saveConfigs(qgraph)
100 if extendRun:
101 # will ignore this
102 preExecInit.saveConfigs(qgraph)
103 else:
104 # Second time it will fail
105 with self.assertRaises(Exception):
106 preExecInit.saveConfigs(qgraph)
108 def test_savePackageVersions(self):
109 for extendRun in (False, True):
110 with self.subTest(extendRun=extendRun):
111 with temporaryDirectory() as tmpdir:
112 butler, qgraph = makeSimpleQGraph(root=tmpdir)
113 preExecInit = PreExecInit(butler=butler, taskFactory=None, extendRun=extendRun)
114 preExecInit.savePackageVersions(qgraph)
116 def test_savePackageVersions_twice(self):
117 for extendRun in (False, True):
118 with self.subTest(extendRun=extendRun):
119 with temporaryDirectory() as tmpdir:
120 butler, qgraph = makeSimpleQGraph(root=tmpdir)
121 preExecInit = PreExecInit(butler=butler, taskFactory=None, extendRun=extendRun)
122 preExecInit.savePackageVersions(qgraph)
123 if extendRun:
124 # If this is the same packages then it should not
125 # attempt to save.
126 preExecInit.savePackageVersions(qgraph)
127 else:
128 # second time it will fail
129 with self.assertRaises(Exception):
130 preExecInit.savePackageVersions(qgraph)
133if __name__ == "__main__":
134 unittest.main()