def _run_test_against_dev_server(self, request_logic, assert_logic=None):
'''This method provides a template for writing integration tests that requires a development server being active.
It accepts a request logic (code that actually do the http request) and an assert logic for making sure
code is correct.'''
assert_logic = assert_logic or self._check_server_started
server = DevServer()
def start_server():
server.start()
def stop_server():
try:
while not server.started:
time.sleep(0.01)
request_logic(server)
self.assertTrue(server.started)
finally:
server.stop()
thread_start = threading.Thread(target=start_server)
thread_start.start()
thread_stop = threading.Thread(target=stop_server)
thread_stop.start()
thread_stop.join()
self._check_server_started(server)
assert_logic(server)
def init(self):
self._settings_facade = Mock()
self._settings_facade.get = self._get_server_key
self._settings_facade_cls = Mock(return_value=self._settings_facade)
self._server = DevServer(self._settings_facade_cls)
class DevServerTests(FantasticoUnitTestsCase):
'''This class provides the test cases for making sure dev server class works.'''
def init(self):
self._settings_facade = Mock()
self._settings_facade.get = self._get_server_key
self._settings_facade_cls = Mock(return_value=self._settings_facade)
self._server = DevServer(self._settings_facade_cls)
def _get_server_key(self, key):
if key == "dev_server_port":
return 12000
if key == "dev_server_host":
return "localhost"
def test_start_ok(self):
'''This test case ensures development server starts ok scenario.'''
make_server = Mock()
app = Mock()
self._server.start(make_server, app)
self.assertEqual("localhost", self._server.hostname)
self.assertEqual(12000, self._server.port)
self.assertTrue(self._server.started)
def test_start_error(self):
'''This test case ensures development server does not start if an exception is raised by make_server or
app parameters.'''
inputs = [(Mock(side_effect=Exception("Error make_server")), Mock(),
"Error make_server"),
(Mock(), Mock(side_effect=Exception("Error app")),
"Error app")]
for make_server, app, expected_msg in inputs:
with self.assertRaises(Exception) as cm:
self._server.start(make_server, app)
self.assertTrue(str(cm.exception).find(expected_msg) > -1)
def test_stop_server_notstarted(self):
'''This test case makes sure stop method does not crash when dev server was not started.'''
self._server.stop()
self.assertFalse(self._server.started)
def test_stop_server_whenstarted(self):
'''This test case makes sure stop method correctly shutdowns a running dev server.'''
self._shutdown_invoked = False
def fake_shutdown():
self._shutdown_invoked = True
http_server = Mock()
http_server.shutdown = fake_shutdown
make_server = Mock(return_value=http_server)
app = Mock()
self._server.start(make_server, app)
self._server.stop()
self.assertTrue(self._shutdown_invoked)
self.assertFalse(self._server.started)
