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|
#!/usr/bin/env python3
# -*- mode: python; py-indent-offset: 4; py-continuation-offset: 4 -*-
'''
Tests for the Merge chunk of the Driver script
'''
from __future__ import print_function
import sys
sys.dont_write_bytecode = True
import os
sys.path.insert(1, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import unittest
try:
from cStringIO import StringIO
except ImportError:
from io import StringIO
try:
import mock
except ImportError: # pragma nocover
import unittest.mock as mock
from argparse import Namespace
from subprocess import CalledProcessError
import PullRequestLinuxDriverMerge
class Test_header(unittest.TestCase):
'''Test that we can properly echo the header information'''
def test_writeHeader(self):
with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
PullRequestLinuxDriverMerge.write_header()
self.assertEqual('''--------------------------------------------------------------------------------
-
- Begin: PullRequestLinuxDriver-Merge.py
-
--------------------------------------------------------------------------------
''',
m_stdout.getvalue())
class Test_EchoJenkinsVars(unittest.TestCase):
'''Test that the Jenkins environment is echoed properly'''
def setUp(self):
self.m_environ = mock.patch.dict(os.environ, {'JOB_BASE_NAME':'TEST_JOB_BASE_NAME',
'JOB_NAME':'TEST_JOB_NAME',
'WORKSPACE':os.path.join(os.sep,
'dev',
'null',
'TEST_WORKSPACE'),
'NODE_NAME':'TEST_NODE_NAME'},
clear=True)
def test_echoJenkinsVars(self):
with self.m_environ:
env_string_io = StringIO()
for key in os.environ:
print(key + ' = ' + os.environ[key],
file=env_string_io)
expected_string = '''
================================================================================
Jenkins Environment Variables:
- WORKSPACE : /dev/null/TEST_WORKSPACE
================================================================================
Environment:
pwd = {cwd}
{environ}
================================================================================
'''.format(cwd=os.getcwd(),
environ=env_string_io.getvalue())
with mock.patch('sys.stdout', new_callable=StringIO) as m_stdout, \
self.m_environ:
PullRequestLinuxDriverMerge.echoJenkinsVars(os.path.join(os.sep,
'dev',
'null',
'TEST_WORKSPACE'))
self.assertEqual(expected_string, m_stdout.getvalue())
class Test_parsing(unittest.TestCase):
'''Finally given a decent parser I want to now pass
all parameters and check them'''
def test_parseArgs(self):
test_namespace = Namespace()
setattr(test_namespace, 'sourceRepo', '/dev/null/source/Trilinos.git')
setattr(test_namespace, 'sourceBranch', 'fake_test_branch_fixing_issue_neverland')
setattr(test_namespace, 'targetRepo', '/dev/null/target/Trilinos.git')
setattr(test_namespace, 'targetBranch', 'fake_develop')
setattr(test_namespace, 'sourceSHA', '0123456789abcdef')
setattr(test_namespace, 'workspaceDir', '/dev/null/workspace')
with mock.patch.object(sys, 'argv', ['programName',
os.path.join(os.path.sep,
'dev',
'null',
'source',
'Trilinos.git'),
'fake_test_branch_fixing_issue_neverland',
os.path.join(os.path.sep,
'dev',
'null',
'target',
'Trilinos.git'),
'fake_develop',
'0123456789abcdef',
os.path.join(os.path.sep,
'dev',
'null',
'workspace')]):
args = PullRequestLinuxDriverMerge.parseArgs()
self.assertEqual(test_namespace, args)
def test_parseInsufficientArgs_fails(self):
test_namespace = Namespace()
setattr(test_namespace, 'sourceRepo', '/dev/null/source/Trilinos.git')
expected_output = '''usage: programName [-h]
sourceRepo sourceBranch targetRepo targetBranch sourceSHA
workspaceDir
programName: error: the following arguments are required: sourceRepo, \
sourceBranch, targetRepo, targetBranch, sourceSHA, workspaceDir
'''
if sys.version_info.major != 3:
expected_output = '''usage: programName [-h]
sourceRepo sourceBranch targetRepo targetBranch sourceSHA
workspaceDir\nprogramName: error: too few arguments
'''
with mock.patch.object(sys, 'argv', ['programName']), \
mock.patch('sys.stderr', new_callable=StringIO) as m_stderr:
if sys.version_info.major != 3:
with self.assertRaisesRegexp(SystemExit, '2'):
PullRequestLinuxDriverMerge.parseArgs()
else:
with self.assertRaisesRegex(SystemExit, '2'):
PullRequestLinuxDriverMerge.parseArgs()
self.assertEqual(expected_output, m_stderr.getvalue())
class Test_mergeBranch(unittest.TestCase):
'''Verify that we call the correct sequence to merge the source branch/SHA
into the target branch'''
def test_mergeBranch_without_source_remote(self):
with mock.patch('subprocess.check_output',
side_effect=['origin /dev/null/target/Trilinos',
'df324ae']) as m_check_out, \
mock.patch('subprocess.check_call') as m_check_call:
PullRequestLinuxDriverMerge.merge_branch(os.path.join(os.path.sep,
'dev',
'null',
'source',
'Trilinos.git'),
'neverland',
'fake_develop',
'df324ae')
m_check_out.assert_has_calls([mock.call(['git', 'remote', '-v']),
mock.call(['git', 'rev-parse',
'source_remote/neverland'])])
m_check_call.assert_has_calls([mock.call(['git', 'remote', 'add',
'source_remote',
'/dev/null/source/Trilinos.git']),
mock.call(['git', 'fetch', 'source_remote',
'neverland']),
mock.call(['git', 'fetch', 'origin',
'fake_develop']),
mock.call(['git', 'reset', '--hard',
'HEAD']),
mock.call(['git', 'checkout',
'-B', 'fake_develop',
'origin/fake_develop']),
mock.call(['git', 'merge',
'--no-edit',
'source_remote/neverland']),
])
def test_mergeBranch_with_source_remote(self):
with mock.patch('subprocess.check_output',
side_effect=['''origin /dev/null/target/Trilinos
source_remote /dev/null/source12/Trilinos.git''', 'df324ae']) as m_check_out, \
mock.patch('subprocess.check_call') as m_check_call, \
mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
PullRequestLinuxDriverMerge.merge_branch(os.path.join(os.path.sep,
'dev',
'null',
'source',
'Trilinos.git'),
'neverland',
'fake_develop',
'df324ae')
m_check_out.assert_has_calls([mock.call(['git', 'remote', '-v']),
mock.call(['git', 'rev-parse',
'source_remote/neverland'])])
m_check_call.assert_has_calls([mock.call(['git', 'remote', 'rm',
'source_remote']),
mock.call(['git', 'remote', 'add',
'source_remote',
'/dev/null/source/Trilinos.git']),
mock.call(['git', 'fetch', 'source_remote',
'neverland']),
mock.call(['git', 'fetch', 'origin',
'fake_develop']),
mock.call(['git', 'reset', '--hard',
'HEAD']),
mock.call(['git', 'checkout',
'-B', 'fake_develop',
'origin/fake_develop']),
mock.call(['git', 'merge',
'--no-edit',
'source_remote/neverland']),
])
self.assertEqual("git remote exists, removing it\n", m_stdout.getvalue())
def test_mergeBranch_fails_on_source_fetch(self):
with mock.patch('subprocess.check_output',
side_effect=['origin /dev/null/target/Trilinos',
'df324ae']) as m_check_out, \
mock.patch('subprocess.check_call',
side_effect=[None,
CalledProcessError(-1, 'cmd'),
CalledProcessError(-2, 'cmd'),
CalledProcessError(-3, 'cmd')]) as m_check_call:
if sys.version_info.major != 3:
with self.assertRaisesRegexp(SystemExit, '12'):
PullRequestLinuxDriverMerge.merge_branch(os.path.join(os.path.sep,
'dev',
'null',
'source',
'Trilinos.git'),
'neverland',
'fake_develop',
'df324ae')
else:
with self.assertRaisesRegex(SystemExit, '12'):
PullRequestLinuxDriverMerge.merge_branch(os.path.join(os.path.sep,
'dev',
'null',
'source',
'Trilinos.git'),
'neverland',
'fake_develop',
'df324ae')
m_check_out.assert_has_calls([mock.call(['git', 'remote', '-v'])])
m_check_call.assert_has_calls([mock.call(['git', 'remote', 'add',
'source_remote',
'/dev/null/source/Trilinos.git']),
mock.call(['git', 'fetch', 'source_remote',
'neverland']),
mock.call(['git', 'fetch', 'source_remote',
'neverland']),
mock.call(['git', 'fetch', 'source_remote',
'neverland']),
])
def test_mergeBranch_fails_on_SHA_mismatch(self):
with mock.patch('subprocess.check_output',
side_effect=['origin /dev/null/target/Trilinos',
'df324ae']) as m_check_out, \
mock.patch('subprocess.check_call') as m_check_call, \
mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
if sys.version_info.major != 3:
with self.assertRaisesRegexp(SystemExit, '-1'):
PullRequestLinuxDriverMerge.merge_branch(os.path.join(os.path.sep,
'dev',
'null',
'source',
'Trilinos.git'),
'neverland',
'fake_develop',
'foobar')
else:
with self.assertRaisesRegex(SystemExit, '-1'):
PullRequestLinuxDriverMerge.merge_branch(os.path.join(os.path.sep,
'dev',
'null',
'source',
'Trilinos.git'),
'neverland',
'fake_develop',
'foobar')
m_check_out.assert_has_calls([mock.call(['git', 'remote', '-v']),
mock.call(['git', 'rev-parse',
'source_remote/neverland'])])
m_check_call.assert_has_calls([mock.call(['git', 'remote', 'add',
'source_remote',
'/dev/null/source/Trilinos.git']),
mock.call(['git', 'fetch', 'source_remote',
'neverland']),
])
self.assertEqual('''The SHA (df324ae) for the last commit on branch neverland
in repo /dev/null/source/Trilinos.git is different than the expected SHA,
which is: foobar.\n''',
m_stdout.getvalue())
class Test_run(unittest.TestCase):
'''This is the main function that ties everything together in order'''
def test_run(self):
with mock.patch('PullRequestLinuxDriverMerge.parseArgs') as m_parser, \
mock.patch('os.chdir') as m_chdir, \
mock.patch('PullRequestLinuxDriverMerge.write_header') as m_writeHeader, \
mock.patch('PullRequestLinuxDriverMerge.echoJenkinsVars') as m_echoJenkins, \
mock.patch('PullRequestLinuxDriverMerge.merge_branch') as m_mergeBranch, \
mock.patch('os.path.join') as m_join, \
mock.patch('sys.stdout', new_callable=StringIO) as m_stdout:
self.assertTrue(PullRequestLinuxDriverMerge.run())
m_parser.assert_called_once_with()
m_chdir.assert_called_once_with(m_join(m_parser().workspaceDir, 'Trilinos'))
m_writeHeader.assert_called_once_with()
m_echoJenkins.assert_called_once_with(m_parser().workspaceDir)
m_mergeBranch.assert_called_once_with(m_parser().sourceRepo,
m_parser().sourceBranch,
m_parser().targetBranch,
m_parser().sourceSHA)
self.assertEqual('Set CWD = ' + str(m_join()) + '\n',
m_stdout.getvalue())
def test_run_fails_on_bad_parse(self):
with mock.patch('PullRequestLinuxDriverMerge.parseArgs',
side_effect=SystemExit(2)):
self.assertFalse(PullRequestLinuxDriverMerge.run())
def test_run_fails_on_bad_fetch(self):
with mock.patch('subprocess.check_output',
side_effect=['origin /dev/null/target/Trilinos',
'df324ae']), \
mock.patch('subprocess.check_call',
side_effect=[None,
CalledProcessError(-1, 'cmd'),
CalledProcessError(-2, 'cmd'),
CalledProcessError(-3, 'cmd')]), \
mock.patch('PullRequestLinuxDriverMerge.parseArgs'), \
mock.patch('sys.stdout', new_callable=StringIO), \
mock.patch('os.path.join'), \
mock.patch('os.chdir'):
self.assertFalse(PullRequestLinuxDriverMerge.run())
def test_run_fails_on_bad_remote_add(self):
expected_string = '''Recieved subprocess.CalledProcessError - returned -1
from command test_cmd
output None
stdout None
stderr None\n'''
if sys.version_info.major != 3:
expected_string = '''Recieved subprocess.CalledProcessError - returned -1
from command test_cmd
output None\n'''
with mock.patch('subprocess.check_output',
side_effect=['origin /dev/null/target/Trilinos',
'df324ae']), \
mock.patch('subprocess.check_call',
side_effect=CalledProcessError(-1, 'test_cmd')), \
mock.patch('PullRequestLinuxDriverMerge.parseArgs'), \
mock.patch('sys.stdout', new_callable=StringIO) as m_stdout, \
mock.patch('os.path.join'), \
mock.patch('os.chdir'):
self.assertFalse(PullRequestLinuxDriverMerge.run())
self.assertTrue(m_stdout.getvalue().endswith(expected_string))
if __name__ == '__main__':
unittest.main() # pragma nocover
|
