def testIsRegistered(self):
injector = Injector()
injector2 = Injector()
self.assertFalse(injector.is_registered())
self.assertFalse(injector2.is_registered())
injector.register()
self.assertTrue(injector.is_registered())
self.assertFalse(injector2.is_registered())
def testGetNone(self):
injector = Injector()
self.assertTrue(injector.get('some_key', none=True) is None)
injector2 = Injector(autobind=False)
class A(object):
pass
self.assertTrue(injector2.get(A, none=True) is None)
def testRegisterUnregister(self):
injector = Injector()
injector2 = Injector()
injector.register()
self.assertTrue(inject.get_injector() is injector)
injector2.unregister()
self.assertTrue(inject.get_injector() is injector)
injector.unregister()
self.assertTrue(inject.get_injector() is None)
injector.register()
inject.unregister()
self.assertTrue(inject.get_injector() is None)
def testIsNotBound(self):
'''Injector.is_bound should return False.'''
class A(object):
pass
injector = Injector()
self.assertFalse(injector.is_bound(A))
def testBindToNone(self):
'''Injector.bind_to_none should create a provider which returns None.'''
class A(object):
pass
injector = Injector()
injector.bind(A, None)
self.assertTrue(injector.get(A) is None)
def testGetAutobind(self):
class A(object):
pass
injector = Injector()
a = injector.get(A)
a2 = injector.get(A)
self.assertTrue(a is a2)
self.assertTrue(isinstance(a, A))
def testIsBound(self):
'''Injector.is_bound should return True.'''
class A(object):
pass
a = A()
injector = Injector()
injector.bind(A, to=a)
self.assertTrue(injector.is_bound(A))
def testBind(self):
'''Injector.bind should create a provider for a type and save it.'''
class A(object):
pass
a = A()
injector = Injector()
injector.bind(A, to=a)
self.assertTrue(injector.get(A) is a)
def testBindScope(self):
class Scope(object):
pass
scope = Scope()
injector = Injector()
injector.bind_scope(Scope, scope)
self.assertTrue(injector.get(Scope) is scope)
self.assertTrue(injector.is_scope_bound(Scope))
def testGetMultipleScopes(self):
class A(object):
pass
a = A()
injector = Injector()
scope = injector.get(ThreadScope)
scope.bind(A, a)
self.assertTrue(injector.get(A) is a)
def testUnbindScope(self):
class Scope(object):
pass
scope = Scope()
injector = Injector()
injector.bind_scope(Scope, scope)
injector.unbind_scope(Scope)
self.assertFalse(injector.is_bound(Scope))
self.assertFalse(injector.is_scope_bound(Scope))
def testGet(self):
'''Injector.get should return an instance.'''
class A(object):
pass
a = A()
injector = Injector()
injector.bind(A, to=a)
a2 = injector.get(A)
self.assertTrue(a2 is a)
def testClear(self):
'''Injector.clear should clear its bindings.'''
class A(object):
pass
a = A()
injector = Injector()
injector.bind(A, a)
self.assertTrue(injector.is_bound(A))
injector.clear()
self.assertFalse(injector.is_bound(A))
def testUnbind(self):
'''Injector.unbind should remove a binding.'''
class A(object):
pass
a = A()
injector = Injector()
injector.bind(A, a)
self.assertTrue(injector.is_bound(A))
injector.unbind(A)
self.assertFalse(injector.is_bound(A))
def testBindFactory(self):
class A(object):
pass
class B(object):
pass
injector = Injector()
injector.bind_factory(A, B)
self.assertTrue(injector.is_factory_bound(A))
self.assertFalse(injector.is_bound(A))
a = injector.get(A)
self.assertTrue(isinstance(a, B))
self.assertTrue(injector.is_bound(A))
a2 = injector.get(A)
self.assertTrue(a2 is a)
def testUnbindFactory(self):
class A(object):
pass
class B(object):
pass
injector = Injector()
injector.bind_factory(A, B)
self.assertTrue(injector.is_factory_bound(A))
self.assertFalse(injector.is_bound(A))
injector.get(A)
self.assertTrue(injector.is_bound(A))
injector.unbind_factory(A)
self.assertFalse(injector.is_factory_bound(A))
self.assertTrue(injector.is_bound(A))
def setUp(self):
self.injector = Injector()
self.injector.register()
def testGetNotBoundNoAutobind(self):
class A(object):
pass
injector = Injector(autobind=False)
self.assertRaises(NotBoundError, injector.get, A)
def testUnbindNotBoundNoError(self):
class A(object):
pass
injector = Injector()
injector.unbind(A)
def testUnbindNotPresentFactory(self):
class A(object):
pass
injector = Injector()
injector.unbind_factory(A) # Nothing happens.
