def run_command_inline(argv, funct, *args, **kwargs):
# Save current execution context
argv_save = sys.argv
environ_save = EnvironmentSnapshot()
sys.argv = argv
exitcode = None
captured_stdout = StringIO()
captured_stderr = StringIO()
print(*sys.argv)
with redirect_stdout(captured_stdout):
with redirect_stderr(captured_stderr):
try:
with rt.temp_runtime(None):
exitcode = funct(*args, **kwargs)
except SystemExit as e:
exitcode = e.code
finally:
# Restore execution context
environ_save.load()
sys.argv = argv_save
return (exitcode,
captured_stdout.getvalue(),
captured_stderr.getvalue())
class _TestModulesSystem(unittest.TestCase):
def setUp(self):
self.modules_system = modules.get_modules_system()
self.environ_save = EnvironmentSnapshot()
self.modules_system.searchpath_add(TEST_MODULES)
def tearDown(self):
self.environ_save.load()
def test_searchpath(self):
self.assertIn(TEST_MODULES, self.modules_system.searchpath)
self.modules_system.searchpath_remove(TEST_MODULES)
self.assertNotIn(TEST_MODULES, self.modules_system.searchpath)
def test_module_load(self):
self.assertRaises(ModuleError, self.modules_system.load_module, 'foo')
self.assertFalse(self.modules_system.is_module_loaded('foo'))
self.assertNotIn('foo', self.modules_system.loaded_modules())
self.modules_system.load_module('testmod_foo')
self.assertTrue(self.modules_system.is_module_loaded('testmod_foo'))
self.assertIn('testmod_foo', self.modules_system.loaded_modules())
self.assertIn('TESTMOD_FOO', os.environ)
self.modules_system.unload_module('testmod_foo')
self.assertFalse(self.modules_system.is_module_loaded('testmod_foo'))
self.assertNotIn('testmod_foo', self.modules_system.loaded_modules())
self.assertNotIn('TESTMOD_FOO', os.environ)
def test_module_load_force(self):
self.modules_system.load_module('testmod_foo')
unloaded = self.modules_system.load_module('testmod_foo', force=True)
self.assertEqual(0, len(unloaded))
self.assertTrue(self.modules_system.is_module_loaded('testmod_foo'))
unloaded = self.modules_system.load_module('testmod_bar', True)
self.assertTrue(self.modules_system.is_module_loaded('testmod_bar'))
self.assertFalse(self.modules_system.is_module_loaded('testmod_foo'))
self.assertIn('testmod_foo', unloaded)
self.assertIn('TESTMOD_BAR', os.environ)
def test_module_unload_all(self):
self.modules_system.load_module('testmod_base')
self.modules_system.unload_all()
self.assertEqual(0, len(self.modules_system.loaded_modules()))
def test_module_list(self):
self.modules_system.load_module('testmod_foo')
self.assertIn('testmod_foo', self.modules_system.loaded_modules())
self.modules_system.unload_module('testmod_foo')
def test_module_conflict_list(self):
conflict_list = self.modules_system.conflicted_modules('testmod_bar')
self.assertIn('testmod_foo', conflict_list)
self.assertIn('testmod_boo', conflict_list)
def _setup_environ(self, environ):
"""Setup the current environment and load it."""
self._current_environ = environ
# Set up user environment
self._user_environ = Environment(
type(self).__name__, self.modules, self.variables.items())
# Temporarily load the test's environment to record the actual module
# load/unload sequence
environ_save = EnvironmentSnapshot()
# First load the local environment of the partition
self.logger.debug('loading environment for the current partition')
self._current_partition.local_env.load()
self.logger.debug("loading current programming environment")
self._current_environ.load()
self.logger.debug("loading user's environment")
self._user_environ.load()
environ_save.load()
def run_command_inline(argv, funct, *args, **kwargs):
argv_save = sys.argv
environ_save = EnvironmentSnapshot()
captured_stdout = StringIO()
captured_stderr = StringIO()
sys.argv = argv
exitcode = None
print(' '.join(argv))
with redirect_stdout(captured_stdout):
with redirect_stderr(captured_stderr):
try:
exitcode = funct(*args, **kwargs)
except SystemExit as e:
exitcode = e.code
finally:
# restore environment, command-line arguments, and the native
# modules system
environ_save.load()
sys.argv = argv_save
fixtures.init_native_modules_system()
return (exitcode, captured_stdout.getvalue(), captured_stderr.getvalue())
class RegressionTask:
"""A class representing a :class:`RegressionTest` through the regression
pipeline."""
def __init__(self, check, listeners=[]):
self._check = check
self._failed_stage = None
self._current_stage = None
self._exc_info = (None, None, None)
self._environ = None
self._listeners = list(listeners)
# Test case has finished, but has not been waited for yet
self.zombie = False
@property
def check(self):
return self._check
@property
def exc_info(self):
return self._exc_info
@property
def failed(self):
return self._failed_stage is not None
@property
def failed_stage(self):
return self._failed_stage
def _notify_listeners(self, callback_name):
for l in self._listeners:
callback = getattr(l, callback_name)
callback(self)
def _safe_call(self, fn, *args, **kwargs):
self._current_stage = fn.__name__
try:
with logging.logging_context(self._check) as logger:
logger.debug('entering stage: %s' % self._current_stage)
return fn(*args, **kwargs)
except ABORT_REASONS:
self.fail()
raise
except BaseException as e:
self.fail()
raise TaskExit from e
def setup(self, *args, **kwargs):
self._safe_call(self._check.setup, *args, **kwargs)
self._environ = EnvironmentSnapshot()
def compile(self):
self._safe_call(self._check.compile)
def run(self):
self._safe_call(self._check.run)
self._notify_listeners('on_task_run')
def wait(self):
self._safe_call(self._check.wait)
self.zombie = False
def poll(self):
finished = self._safe_call(self._check.poll)
if finished:
self.zombie = True
self._notify_listeners('on_task_exit')
return finished
def sanity(self):
self._safe_call(self._check.sanity)
def performance(self):
self._safe_call(self._check.performance)
def cleanup(self, *args, **kwargs):
self._safe_call(self._check.cleanup, *args, **kwargs)
self._notify_listeners('on_task_success')
def fail(self, exc_info=None):
self._failed_stage = self._current_stage
self._exc_info = exc_info or sys.exc_info()
self._notify_listeners('on_task_failure')
def resume(self):
self._environ.load()
def abort(self, cause=None):
logging.getlogger().debug('aborting: %s' % self._check.info())
exc = AbortTaskError()
exc.__cause__ = cause
try:
# FIXME: we should perhaps extend the RegressionTest interface
# for supporting job cancelling
if not self.zombie and self._check.job:
self._check.job.cancel()
except JobNotStartedError:
self.fail((type(exc), exc, None))
except BaseException:
self.fail()
else:
self.fail((type(exc), exc, None))
class Runner:
"""Responsible for executing a set of regression tests based on an execution
policy."""
def __init__(self, policy, printer=None, max_retries=0):
self._policy = policy
self._printer = printer or PrettyPrinter()
self._max_retries = max_retries
self._current_run = 0
self._stats = TestStats()
self._policy.stats = self._stats
self._policy.printer = self._printer
self._sandbox = Sandbox()
self._environ_snapshot = EnvironmentSnapshot()
def __repr__(self):
return debug.repr(self)
@property
def policy(self):
return self._policy
@property
def stats(self):
return self._stats
def runall(self, checks, system):
try:
self._printer.separator('short double line',
'Running %d check(s)' % len(checks))
self._printer.timestamp('Started on', 'short double line')
self._printer.info()
self._runall(checks, system)
if self._max_retries:
self._retry_failed(checks, system)
finally:
# Print the summary line
num_failures = self._stats.num_failures()
num_cases = self._stats.num_cases(run=0)
self._printer.status(
'FAILED' if num_failures else 'PASSED',
'Ran %d test case(s) from %d check(s) (%d failure(s))' %
(num_cases, len(checks), num_failures), just='center'
)
self._printer.timestamp('Finished on', 'short double line')
self._environ_snapshot.load()
def _partition_supported(self, check, partition):
if self._policy.skip_system_check:
return True
return check.supports_system(partition.name)
def _environ_supported(self, check, environ):
ret = True
if self._policy.only_environs:
ret = environ.name in self._policy.only_environs
if self._policy.skip_environ_check:
return ret
else:
return ret and check.supports_environ(environ.name)
def _retry_failed(self, checks, system):
while (self._stats.num_failures() and
self._current_run < self._max_retries):
failed_checks = [
c for c in checks if c.name in
set([t.check.name for t in self._stats.tasks_failed()])
]
self._current_run += 1
self._stats.next_run()
if self._stats.current_run != self._current_run:
raise AssertionError('current_run variable out of sync'
'(Runner: %d; TestStats: %d)' %
self._current_run,
self._stats.current_run)
self._printer.separator(
'short double line',
'Retrying %d failed check(s) (retry %d/%d)' %
(len(failed_checks), self._current_run, self._max_retries)
)
self._runall(failed_checks, system)
def _runall(self, checks, system):
self._policy.enter()
for c in checks:
self._policy.enter_check(c)
for p in system.partitions:
if not self._partition_supported(c, p):
self._printer.status('SKIP',
'skipping %s' % p.fullname,
just='center',
level=logging.VERBOSE)
continue
self._policy.enter_partition(c, p)
for e in p.environs:
if not self._environ_supported(c, e):
self._printer.status('SKIP',
'skipping %s for %s' %
(e.name, p.fullname),
just='center',
level=logging.VERBOSE)
continue
self._sandbox.system = p
self._sandbox.environ = e
self._sandbox.check = c
self._policy.enter_environ(self._sandbox.check,
self._sandbox.system,
self._sandbox.environ)
self._environ_snapshot.load()
self._policy.run_check(self._sandbox.check,
self._sandbox.system,
self._sandbox.environ)
self._policy.exit_environ(self._sandbox.check,
self._sandbox.system,
self._sandbox.environ)
self._policy.exit_partition(c, p)
self._policy.exit_check(c)
self._policy.exit()
class _TestModulesSystem:
def setUp(self):
self.environ_save = EnvironmentSnapshot()
self.modules_system.searchpath_add(TEST_MODULES)
def tearDown(self):
self.environ_save.load()
def test_searchpath(self):
self.assertIn(TEST_MODULES, self.modules_system.searchpath)
self.modules_system.searchpath_remove(TEST_MODULES)
self.assertNotIn(TEST_MODULES, self.modules_system.searchpath)
def test_module_load(self):
self.assertRaises(EnvironError, self.modules_system.load_module, 'foo')
self.assertFalse(self.modules_system.is_module_loaded('foo'))
self.assertNotIn('foo', self.modules_system.loaded_modules())
self.modules_system.load_module('testmod_foo')
self.assertTrue(self.modules_system.is_module_loaded('testmod_foo'))
self.assertIn('testmod_foo', self.modules_system.loaded_modules())
self.assertIn('TESTMOD_FOO', os.environ)
self.modules_system.unload_module('testmod_foo')
self.assertFalse(self.modules_system.is_module_loaded('testmod_foo'))
self.assertNotIn('testmod_foo', self.modules_system.loaded_modules())
self.assertNotIn('TESTMOD_FOO', os.environ)
def test_module_load_force(self):
self.modules_system.load_module('testmod_foo')
unloaded = self.modules_system.load_module('testmod_foo', force=True)
self.assertEqual(0, len(unloaded))
self.assertTrue(self.modules_system.is_module_loaded('testmod_foo'))
unloaded = self.modules_system.load_module('testmod_bar', force=True)
self.assertTrue(self.modules_system.is_module_loaded('testmod_bar'))
self.assertFalse(self.modules_system.is_module_loaded('testmod_foo'))
self.assertIn('testmod_foo', unloaded)
self.assertIn('TESTMOD_BAR', os.environ)
def test_module_unload_all(self):
self.modules_system.load_module('testmod_base')
self.modules_system.unload_all()
self.assertEqual(0, len(self.modules_system.loaded_modules()))
def test_module_list(self):
self.modules_system.load_module('testmod_foo')
self.assertIn('testmod_foo', self.modules_system.loaded_modules())
self.modules_system.unload_module('testmod_foo')
def test_module_conflict_list(self):
conflict_list = self.modules_system.conflicted_modules('testmod_bar')
self.assertIn('testmod_foo', conflict_list)
self.assertIn('testmod_boo', conflict_list)
@abc.abstractmethod
def expected_load_instr(self, module):
"""Expected load instruction."""
@abc.abstractmethod
def expected_unload_instr(self, module):
"""Expected unload instruction."""
def test_emit_load_commands(self):
self.modules_system.module_map = {
'm0': ['m1', 'm2']
}
self.assertEqual([self.expected_load_instr('foo')],
self.modules_system.emit_load_commands('foo'))
self.assertEqual([self.expected_load_instr('foo/1.2')],
self.modules_system.emit_load_commands('foo/1.2'))
self.assertEqual([self.expected_load_instr('m1'),
self.expected_load_instr('m2')],
self.modules_system.emit_load_commands('m0'))
def test_emit_unload_commands(self):
self.modules_system.module_map = {
'm0': ['m1', 'm2']
}
self.assertEqual([self.expected_unload_instr('foo')],
self.modules_system.emit_unload_commands('foo'))
self.assertEqual([self.expected_unload_instr('foo/1.2')],
self.modules_system.emit_unload_commands('foo/1.2'))
self.assertEqual([self.expected_unload_instr('m2'),
self.expected_unload_instr('m1')],
self.modules_system.emit_unload_commands('m0'))