import unittest

class NewRequestEventTests(unittest.TestCase):
    def _getTargetClass(self):
        from repoze.bfg.events import NewRequest
        return NewRequest

    def _makeOne(self, request):
        return self._getTargetClass()(request)

    def test_class_implements(self):
        from repoze.bfg.interfaces import INewRequest
        from zope.interface.verify import verifyClass
        klass = self._getTargetClass()
        verifyClass(INewRequest, klass)
        
    def test_instance_implements(self):
        from repoze.bfg.interfaces import INewRequest
        from zope.interface.verify import verifyObject
        request = DummyRequest()
        inst = self._makeOne(request)
        verifyObject(INewRequest, inst)

    def test_ctor(self):
        request = DummyRequest()
        inst = self._makeOne(request)
        self.assertEqual(inst.request, request)

class NewResponseEventTests(unittest.TestCase):
    def _getTargetClass(self):
        from repoze.bfg.events import NewResponse
        return NewResponse

    def _makeOne(self, response):
        return self._getTargetClass()(response)

    def test_class_implements(self):
        from repoze.bfg.interfaces import INewResponse
        from zope.interface.verify import verifyClass
        klass = self._getTargetClass()
        verifyClass(INewResponse, klass)
        
    def test_instance_implements(self):
        from repoze.bfg.interfaces import INewResponse
        from zope.interface.verify import verifyObject
        response = DummyResponse()
        inst = self._makeOne(response)
        verifyObject(INewResponse, inst)

    def test_ctor(self):
        response = DummyResponse()
        inst = self._makeOne(response)
        self.assertEqual(inst.response, response)

class WSGIAppEventTests(unittest.TestCase):
    def test_object_implements(self):
        from repoze.bfg.events import WSGIApplicationCreatedEvent
        event = WSGIApplicationCreatedEvent(object())
        from repoze.bfg.interfaces import IWSGIApplicationCreatedEvent
        from zope.interface.verify import verifyObject
        verifyObject(IWSGIApplicationCreatedEvent, event)

    def test_class_implements(self):
        from repoze.bfg.events import WSGIApplicationCreatedEvent
        from repoze.bfg.interfaces import IWSGIApplicationCreatedEvent
        from zope.interface.verify import verifyClass
        verifyClass(IWSGIApplicationCreatedEvent, WSGIApplicationCreatedEvent)

class AfterTraversalEventTests(unittest.TestCase):
    def _getTargetClass(self):
        from repoze.bfg.events import AfterTraversal
        return AfterTraversal

    def _makeOne(self, request):
        return self._getTargetClass()(request)

    def test_class_implements(self):
        from repoze.bfg.interfaces import IAfterTraversal
        from zope.interface.verify import verifyClass
        klass = self._getTargetClass()
        verifyClass(IAfterTraversal, klass)
        
    def test_instance_implements(self):
        from repoze.bfg.interfaces import IAfterTraversal
        from zope.interface.verify import verifyObject
        request = DummyRequest()
        inst = self._makeOne(request)
        verifyObject(IAfterTraversal, inst)

    def test_ctor(self):
        request = DummyRequest()
        inst = self._makeOne(request)
        self.assertEqual(inst.request, request)

class DummyRequest:
    pass

class DummyResponse:
    pass