def test_get_alias_exists(self):
def serv():
return "1-2-3"
sl = ServiceLocator()
sl.set('test-service', serv)
sl.create_alias('t-s', 'test-service')
val = sl.get('t-s')
self.assertEqual(val, '1-2-3')
def test_set_alias_exist(self):
def simple_service():
return "text"
def simple_service2():
return "text"
sl = ServiceLocator()
sl.set('simple-service', simple_service)
sl.create_alias('s-s', 'simple-service')
with self.assertRaises(KeyError):
sl.set('s-s', simple_service2)
def test_multiple_aliases_stack(self):
sl = ServiceLocator()
sl.set('service-1', lambda: "test-value")
sl.create_alias('test', 'service-1')
sl.create_alias('test2', 'test')
sl.create_alias('checking', 'test2')
sl.create_alias('para-pam', 'checking')
sl.create_alias('pom-pom', 'test2')
self.assertEqual(sl.get('test'),'test-value')
self.assertEqual(sl.get('test2'),'test-value')
self.assertEqual(sl.get('checking'),'test-value')
self.assertEqual(sl.get('para-pam'),'test-value')
self.assertEqual(sl.get('pom-pom'),'test-value')
self.assertEqual(sl.get('service-1'),'test-value')
def test_create_alias_name_reserved(self):
sl = ServiceLocator()
sl.set('serv', lambda: 'test')
sl.create_alias('test', 'serv')
with self.assertRaises(KeyError):
sl.create_alias('test', 'serv')
with self.assertRaises(KeyError):
sl.create_alias('serv', 'test')
def test_has_alias_exists(self):
sl = ServiceLocator()
sl.set('simple-service', lambda: 26 )
sl.create_alias('s-s', 'simple-service')
self.assertTrue(sl.has('simple-service'))
def test_create_alias(self):
sl = ServiceLocator()
sl.set('service-1', lambda: "test-value")
sl.create_alias('test', 'service-1')
self.assertEqual(sl.get('test'),'test-value')
def test_create_alias_service_non_exists(self):
sl = ServiceLocator()
with self.assertRaises(KeyError):
sl.create_alias('test', 'non-exists-service')
def test_create_empty_alias(self):
sl = ServiceLocator()
with self.assertRaises(NameError):
sl.create_alias('', '')
