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)
