def test_xlogdb(self, lock_file_mock, os_mock, tmpdir):
"""
Testing the normal execution of xlog-db operations.
:param lock_file_mock: mock for LockFile object
:param os_mock: mock for os module
:param tmpdir: temporary directory unique to the test invocation
"""
# unpatch os.path
os_mock.path = os.path
# Setup temp dir and server
server = Server(self.build_config(tmpdir))
# Test the execution of the fsync on xlogdb file
with server.xlogdb('w') as fxlogdb:
fxlogdb.write("00000000000000000000")
# Check for calls on fsync method. If the call have been issued
# the "exit" method of the contextmanager have been executed
assert os_mock.fsync.called
# Check for enter and exit calls on mocked LockFile
lock_file_mock.return_value.__enter__.assert_called_once_with()
lock_file_mock.return_value.__exit__.assert_called_once_with(
None, None, None)
os_mock.fsync.reset_mock()
with server.xlogdb():
# nothing to do here.
pass
# Check for calls on fsync method.
# If the file is readonly exit method of the context manager must
# skip calls on fsync method
assert not os_mock.fsync.called
def test_xlogdb_with_exception(self, os_mock, tmpdir):
"""
Testing the execution of xlog-db operations with an Exception
:param os_mock: mock for os module
:param tmpdir: temporary directory unique to the test invocation
"""
# unpatch os.path
os_mock.path = os.path
# Setup temp dir and server
server = Server(self.build_config(tmpdir))
# Test the execution of the fsync on xlogdb file forcing an exception
with pytest.raises(ExceptionTest):
with server.xlogdb('w') as fxlogdb:
fxlogdb.write("00000000000000000000")
raise ExceptionTest()
# Check call on fsync method. If the call have been issued,
# the "exit" section of the contextmanager have been executed
assert os_mock.fsync.called
