Exemple #1
0
 def set_feed(self, obj, key, data, from_json):
     from pypump.models.feed import Feed
     if from_json:
         if data is not None:
             try:
                 setattr(obj, key, Feed(pypump=self._pump).unserialize(data))
             except Exception as e:
                 _log.debug("Exception %s" % e)
         else:
             setattr(obj, key, [])
Exemple #2
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    def setUp(self):
        super(FeedTest, self).setUp()
        self.response.data = {
            "displayName": "Followers for Testuser",
            "url": "https://example.com/api/user/testuser/followers",
            "objectTypes": [
                "person"
            ],
            "items": [{"objectType": "person", "id": "acct:testuser%[email protected]" % i} for i in range(20)],
            "totalItems": 20,
            "author": {"objectType": "person", "id": "acct:[email protected]"},
            "links": {
                "self": {"href": "https://example.com/api/user/testuser/followers?offset=0&count=20"},
                "current": {"href": "https://example.com/api/user/testuser/followers"},
                "prev": {"href": "https://example.com/api/user/testuser/followers?since=acct%3Atestuser0%40example.com"},
                "next": {"href": "https://example.com/api/user/testuser/followers?before=acct%3Atestuser19%40example.com"},
            }
        }

        self.feed = Feed(pypump=self.pump).unserialize(self.response.data)
Exemple #3
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    def comments(self):
        """ A :class:`Feed <pypump.models.feed.Feed>`
        of the comments for the object.

        Example:
            >>> for comment in mynote.comments:
            ...     print(comment)
            ...
            comment by [email protected]
        """

        endpoint = self.links["replies"]
        self._comments = self._comments or Feed(endpoint, pypump=self._pump)
        return self._comments
Exemple #4
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    def shares(self):
        """ A :class:`Feed <pypump.models.feed.Feed>`
        of the people who've shared the object.

        Example:
            >>> for person in mynote.shares:
            ...     print(person.webfinger)
            ...
            [email protected]
            [email protected]
        """

        endpoint = self.links["shares"]
        self._shares = self._shares or Feed(endpoint, pypump=self._pump)
        return self._shares
Exemple #5
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    def likes(self):
        """ A :class:`Feed <pypump.models.feed.Feed>`
        of the people who've liked the object.

        Example:
            >>> for person in mynote.likes:
            ...     print(person.webfinger)
            ...
            [email protected]
            [email protected]
        """

        endpoint = self.links["likes"]
        if self._likes is None:
            self._likes = Feed(endpoint, pypump=self._pump)
        return self._likes
Exemple #6
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    def setUp(self):
        super(FeedTest, self).setUp()
        self.response.data = {
            "displayName": "Followers for Testuser",
            "url": "https://example.com/api/user/testuser/followers",
            "objectTypes": [
                "person"
            ],
            "items": [{"objectType": "person", "id": "acct:testuser%[email protected]" % i} for i in range(20)],
            "totalItems": 20,
            "author": {"objectType": "person", "id": "acct:[email protected]"},
            "links": {
                "self": {"href": "https://example.com/api/user/testuser/followers?offset=0&count=20"},
                "current": {"href": "https://example.com/api/user/testuser/followers"},
                "prev": {"href": "https://example.com/api/user/testuser/followers?since=acct%3Atestuser0%40example.com"},
                "next": {"href": "https://example.com/api/user/testuser/followers?before=acct%3Atestuser19%40example.com"},
            }
        }

        self.feed = Feed(pypump=self.pump).unserialize(self.response.data)
Exemple #7
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class FeedTest(PyPumpTest):
    def setUp(self):
        super(FeedTest, self).setUp()
        self.response.data = {
            "displayName":
            "Followers for Testuser",
            "url":
            "https://example.com/api/user/testuser/followers",
            "objectTypes": ["person"],
            "items": [{
                "objectType": "person",
                "id": "acct:testuser%[email protected]" % i
            } for i in range(20)],
            "totalItems":
            20,
            "author": {
                "objectType": "person",
                "id": "acct:[email protected]"
            },
            "links": {
                "self": {
                    "href":
                    "https://example.com/api/user/testuser/followers?offset=0&count=20"
                },
                "current": {
                    "href": "https://example.com/api/user/testuser/followers"
                },
                "prev": {
                    "href":
                    "https://example.com/api/user/testuser/followers?since=acct%3Atestuser0%40example.com"
                },
                "next": {
                    "href":
                    "https://example.com/api/user/testuser/followers?before=acct%3Atestuser19%40example.com"
                },
            }
        }

        self.feed = Feed(pypump=self.pump).unserialize(self.response.data)

    def test_before_since_offset_exceptions(self):
        with self.assertRaises(PyPumpException):
            self.feed.items(before="something", offset=12)

        with self.assertRaises(PyPumpException):
            self.feed.items(since="something", offset=12)

        with self.assertRaises(PyPumpException):
            self.feed.items(since="something", before="something")

    def test_feed(self):
        # is a Feed object
        self.assertTrue(isinstance(self.feed, Feed))

        # object to string
        self.assertEqual(self.feed.__str__(), self.feed.display_name)
        self.feed.display_name = u'Followers for Testanvändare'

        if six.PY3:
            self.assertEqual(self.feed.__str__(), self.feed.display_name)
        else:
            self.assertEqual(self.feed.__str__(),
                             self.feed.display_name.encode('utf-8'))

    def test_feed_attr_display_name(self):
        self.assertTrue(hasattr(self.feed, 'display_name'))
        self.assertEqual(self.feed.display_name, self.response["displayName"])

    def test_feed_attr_url(self):
        self.assertTrue(hasattr(self.feed, 'url'))
        self.assertEqual(self.feed.url, self.response["url"])

    def test_feed_attr_object_types(self):
        self.assertTrue(hasattr(self.feed, 'object_types'))
        self.assertEqual(self.feed.object_types, self.response["objectTypes"])

    def test_feed_attr_items(self):
        self.assertTrue(hasattr(self.feed, '_items'))
        self.assertTrue(isinstance(self.feed._items, list))

    def test_feed_attr_total_items(self):
        self.assertTrue(hasattr(self.feed, 'total_items'))
        self.assertEqual(self.feed.total_items, self.response["totalItems"])

    def test_feed_attr_author(self):
        self.assertTrue(hasattr(self.feed, 'author'))
        self.assertTrue(isinstance(self.feed.author, type(self.pump.Person())))

    def test_feed_attr_links(self):
        self.assertTrue(hasattr(self.feed, 'links'))

        # we should expand this test when we have settled on way to show links
        self.assertTrue(self.feed.links is not None)

    def test_feed_slice_0_to_5(self):
        sliceditems = self.feed[:5]
        self.assertEqual(len(sliceditems), 5)
        self.assertEqual(sliceditems[0].id, self.response['items'][0]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][4]['id'])

    def test_feed_slice_5_to_inf(self):
        sliceditems = self.feed[5:]
        self.assertEqual(len(sliceditems), 15)
        self.assertEqual(sliceditems[0].id, self.response['items'][5]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][19]['id'])

    def test_feed_slice_3_to_6(self):
        sliceditems = self.feed[3:6]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][3]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][5]['id'])

    def test_feed_slice_id_to_inf(self):
        sliceditems = self.feed[slice('acct:[email protected]', None)]
        self.assertEqual(len(sliceditems), 9)
        self.assertEqual(sliceditems[1].id, self.response['items'][12]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][19]['id'])

    def test_feed_slice_zero_to_id(self):
        sliceditems = self.feed[slice('acct:[email protected]')]
        self.assertEqual(len(sliceditems), 5)
        self.assertEqual(sliceditems[-1].id, self.response['items'][0]['id'])
        self.assertEqual(sliceditems[0].id, self.response['items'][4]['id'])

    def test_feed_items_before(self):
        # before and limit 3
        items = self.feed.items(before='acct:[email protected]', limit=3)
        self.assertEqual(len(items), 3)
        self.assertEqual(items[0].id, self.response['items'][11]['id'])
        self.assertEqual(items[-1].id, self.response['items'][13]['id'])

    def test_feed_items_since(self):
        # since and limit 12 (limit more than items returned)
        items = self.feed.items(since='acct:[email protected]', limit=12)
        self.assertEqual(len(items), 10)
        self.assertEqual(items[0].id, self.response['items'][9]['id'])
        self.assertEqual(items[-1].id, self.response['items'][0]['id'])

    def test_feed_items_no_limit(self):
        # no limit
        items = self.feed.items(limit=None)
        self.assertEqual(len(items), 20)
        self.assertEqual(items[0].id, self.response['items'][0]['id'])
        self.assertEqual(items[-1].id, self.response['items'][19]['id'])

    def test_feed_items_offset(self):
        # offset
        items = self.feed.items(offset=18)
        self.assertEqual(len(items), 2)

        # offset and limit
        items = self.feed.items(offset=10, limit=5)
        self.assertEqual(len(items), 5)

    def test_slice_slice_zero_to_3(self):
        sliceditems = self.feed[3:10][:3]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][3]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][5]['id'])

    def test_slice_slice_zero_to_negative(self):
        sliceditems = self.feed[3:10][:-3]
        self.assertEqual(len(sliceditems), 4)
        self.assertEqual(sliceditems[0].id, self.response['items'][3]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][6]['id'])

    def test_slice_slice_3_to_end(self):
        sliceditems = self.feed[3:10][3:]
        self.assertEqual(len(sliceditems), 4)
        self.assertEqual(sliceditems[0].id, self.response['items'][6]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][9]['id'])

    def test_slice_slice_negative_to_end(self):
        sliceditems = self.feed[3:10][-3:]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][7]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][9]['id'])

    def test_slice_slice_with_id(self):
        sliceditems = self.feed[3:10]
        with self.assertRaises(TypeError):
            sliceditems[slice(self.response['items'][4]['id'])]

    def test_feed_sliced_by_id(self):
        sliceditems = self.feed[slice('acct:[email protected]', None)][:3]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][11]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][13]['id'])

        with self.assertRaises(PyPumpException):
            self.feed[slice('acct:[email protected]', None)][3:]

        with self.assertRaises(PyPumpException):
            self.feed[slice('acct:[email protected]', None)][:-3]

    def test_zero_to_negative_slicing(self):
        sliceditems = self.feed[:-18]
        self.assertEqual(len(sliceditems), 2)
        self.assertEqual(sliceditems[0].id, self.response['items'][0]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][1]['id'])

    def test_negative_to_inf_slicing(self):
        sliceditems = self.feed[-18:]
        self.assertEqual(len(sliceditems), 18)
        self.assertEqual(sliceditems[0].id, self.response['items'][2]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][19]['id'])
Exemple #8
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 def shares(self):
     """ Fetches the people who've shared the model """
     endpoint = self.links["shares"]
     self._shares = self._shares or Feed(endpoint, pypump=self._pump)
     return self._shares
Exemple #9
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 def comments(self):
     """ Fetches the comment objects for the models """
     endpoint = self.links["replies"]
     self._comments = self._comments or Feed(endpoint, pypump=self._pump)
     return self._comments
Exemple #10
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 def likes(self):
     """ Gets who's liked this object """
     endpoint = self.links["likes"]
     self._likes = self._likes or Feed(endpoint, pypump=self._pump)
     return self._likes
Exemple #11
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 def members(self):
     self._members = self._members or Feed(self.links["members"],
                                           pypump=self._pump)
     return self._members
Exemple #12
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class FeedTest(PyPumpTest):
    def setUp(self):
        super(FeedTest, self).setUp()
        self.response.data = {
            "displayName": "Followers for Testuser",
            "url": "https://example.com/api/user/testuser/followers",
            "objectTypes": ["person"],
            "items": [{"objectType": "person", "id": "acct:testuser%[email protected]" % i} for i in range(20)],
            "totalItems": 20,
            "author": {"objectType": "person", "id": "acct:[email protected]"},
            "links": {
                "self": {"href": "https://example.com/api/user/testuser/followers?offset=0&count=20"},
                "current": {"href": "https://example.com/api/user/testuser/followers"},
                "prev": {
                    "href": "https://example.com/api/user/testuser/followers?since=acct%3Atestuser0%40example.com"
                },
                "next": {
                    "href": "https://example.com/api/user/testuser/followers?before=acct%3Atestuser19%40example.com"
                },
            },
        }

        self.feed = Feed(pypump=self.pump).unserialize(self.response.data)

    def test_feed(self):
        # is a Feed object
        self.assertTrue(isinstance(self.feed, Feed))
        # object to string
        self.assertEqual(self.feed.__str__(), self.feed.display_name)
        self.feed.display_name = u"Followers for Testanvändare"
        if six.PY3:
            self.assertEqual(self.feed.__str__(), self.feed.display_name)
        else:
            self.assertEqual(self.feed.__str__(), self.feed.display_name.encode("utf-8"))

    def test_feed_attr_display_name(self):
        self.assertTrue(hasattr(self.feed, "display_name"))
        self.assertEqual(self.feed.display_name, self.response["displayName"])

    def test_feed_attr_url(self):
        self.assertTrue(hasattr(self.feed, "url"))
        self.assertEqual(self.feed.url, self.response["url"])

    def test_feed_attr_object_types(self):
        self.assertTrue(hasattr(self.feed, "object_types"))
        self.assertEqual(self.feed.object_types, self.response["objectTypes"])

    def test_feed_attr_items(self):
        self.assertTrue(hasattr(self.feed, "_items"))
        self.assertTrue(isinstance(self.feed._items, list))

    def test_feed_attr_total_items(self):
        self.assertTrue(hasattr(self.feed, "total_items"))
        self.assertEqual(self.feed.total_items, self.response["totalItems"])

    def test_feed_attr_author(self):
        self.assertTrue(hasattr(self.feed, "author"))
        self.assertTrue(isinstance(self.feed.author, type(self.pump.Person())))

    def test_feed_attr_links(self):
        self.assertTrue(hasattr(self.feed, "links"))
        # we should expand this test when we have settled on way to show links
        self.assertTrue(self.feed.links is not None)

    def test_feed_slice_0_to_5(self):
        sliceditems = list(self.feed[:5])
        self.assertEqual(len(sliceditems), 5)
        self.assertEqual(sliceditems[0].id, self.response["items"][0]["id"])
        self.assertEqual(sliceditems[-1].id, self.response["items"][4]["id"])

    def test_feed_slice_3_to_6(self):
        sliceditems = list(self.feed[3:6])
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response["items"][3]["id"])
        self.assertEqual(sliceditems[-1].id, self.response["items"][5]["id"])

    def test_feed_slice_id_to_inf(self):
        sliceditems = list(self.feed[slice("acct:[email protected]", None)])
        self.assertEqual(len(sliceditems), 9)
        self.assertEqual(sliceditems[0].id, self.response["items"][11]["id"])
        self.assertEqual(sliceditems[-1].id, self.response["items"][19]["id"])

    def test_feed_slice_zero_to_id(self):
        sliceditems = list(self.feed[slice("acct:[email protected]")])
        self.assertEqual(len(sliceditems), 5)
        self.assertEqual(sliceditems[-1].id, self.response["items"][0]["id"])
        self.assertEqual(sliceditems[0].id, self.response["items"][4]["id"])

    def test_feed_items_before(self):
        # before and limit 3
        items = list(self.feed.items(before="acct:[email protected]", limit=3))
        self.assertEqual(len(items), 3)
        self.assertEqual(items[0].id, self.response["items"][11]["id"])
        self.assertEqual(items[-1].id, self.response["items"][13]["id"])

    def test_feed_items_since(self):
        # since and limit 12 (limit more than items returned)
        items = list(self.feed.items(since="acct:[email protected]", limit=12))
        self.assertEqual(len(items), 10)
        self.assertEqual(items[0].id, self.response["items"][9]["id"])
        self.assertEqual(items[-1].id, self.response["items"][0]["id"])

    def test_feed_items_no_limit(self):
        # no limit
        items = list(self.feed.items(limit=None))
        self.assertEqual(len(items), 20)
        self.assertEqual(items[0].id, self.response["items"][0]["id"])
        self.assertEqual(items[-1].id, self.response["items"][19]["id"])

    def test_feed_items_offset(self):
        # offset
        items = list(self.feed.items(offset=18))
        self.assertEqual(len(items), 2)
        # offset and limit
        items = list(self.feed.items(offset=10, limit=5))
        self.assertEqual(len(items), 5)
Exemple #13
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 def members(self):
     """ :class:`Feed <pypump.models.feed.Feed>` of collection members.
     """
     if self._members is None:
         self._members = Feed(self.links["members"], pypump=self._pump)
     return self._members
Exemple #14
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class FeedTest(PyPumpTest):
    def setUp(self):
        super(FeedTest, self).setUp()
        self.response.data = {
            "displayName": "Followers for Testuser",
            "url": "https://example.com/api/user/testuser/followers",
            "objectTypes": [
                "person"
            ],
            "items": [{"objectType": "person", "id": "acct:testuser%[email protected]" % i} for i in range(20)],
            "totalItems": 20,
            "author": {"objectType": "person", "id": "acct:[email protected]"},
            "links": {
                "self": {"href": "https://example.com/api/user/testuser/followers?offset=0&count=20"},
                "current": {"href": "https://example.com/api/user/testuser/followers"},
                "prev": {"href": "https://example.com/api/user/testuser/followers?since=acct%3Atestuser0%40example.com"},
                "next": {"href": "https://example.com/api/user/testuser/followers?before=acct%3Atestuser19%40example.com"},
            }
        }

        self.feed = Feed(pypump=self.pump).unserialize(self.response.data)

    def test_before_since_offset_exceptions(self):
        with self.assertRaises(PyPumpException):
            self.feed.items(before="something", offset=12)

        with self.assertRaises(PyPumpException):
            self.feed.items(since="something", offset=12)

        with self.assertRaises(PyPumpException):
            self.feed.items(since="something", before="something")

    def test_feed(self):
        # is a Feed object
        self.assertTrue(isinstance(self.feed, Feed))

        # object to string
        self.assertEqual(self.feed.__str__(), self.feed.display_name)
        self.feed.display_name = u'Followers for Testanvändare'

        if six.PY3:
            self.assertEqual(self.feed.__str__(), self.feed.display_name)
        else:
            self.assertEqual(self.feed.__str__(), self.feed.display_name.encode('utf-8'))

    def test_feed_attr_display_name(self):
        self.assertTrue(hasattr(self.feed, 'display_name'))
        self.assertEqual(self.feed.display_name, self.response["displayName"])

    def test_feed_attr_url(self):
        self.assertTrue(hasattr(self.feed, 'url'))
        self.assertEqual(self.feed.url, self.response["url"])

    def test_feed_attr_object_types(self):
        self.assertTrue(hasattr(self.feed, 'object_types'))
        self.assertEqual(self.feed.object_types, self.response["objectTypes"])

    def test_feed_attr_items(self):
        self.assertTrue(hasattr(self.feed, '_items'))
        self.assertTrue(isinstance(self.feed._items, list))

    def test_feed_attr_total_items(self):
        self.assertTrue(hasattr(self.feed, 'total_items'))
        self.assertEqual(self.feed.total_items, self.response["totalItems"])

    def test_feed_attr_author(self):
        self.assertTrue(hasattr(self.feed, 'author'))
        self.assertTrue(isinstance(self.feed.author, type(self.pump.Person())))

    def test_feed_attr_links(self):
        self.assertTrue(hasattr(self.feed, 'links'))

        # we should expand this test when we have settled on way to show links
        self.assertTrue(self.feed.links is not None)

    def test_feed_slice_0_to_5(self):
        sliceditems = self.feed[:5]
        self.assertEqual(len(sliceditems), 5)
        self.assertEqual(sliceditems[0].id, self.response['items'][0]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][4]['id'])

    def test_feed_slice_5_to_inf(self):
        sliceditems = self.feed[5:]
        self.assertEqual(len(sliceditems), 15)
        self.assertEqual(sliceditems[0].id, self.response['items'][5]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][19]['id'])

    def test_feed_slice_3_to_6(self):
        sliceditems = self.feed[3:6]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][3]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][5]['id'])

    def test_feed_slice_id_to_inf(self):
        sliceditems = self.feed[slice('acct:[email protected]', None)]
        self.assertEqual(len(sliceditems), 9)
        self.assertEqual(sliceditems[1].id, self.response['items'][12]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][19]['id'])

    def test_feed_slice_zero_to_id(self):
        sliceditems = self.feed[slice('acct:[email protected]')]
        self.assertEqual(len(sliceditems), 5)
        self.assertEqual(sliceditems[-1].id, self.response['items'][0]['id'])
        self.assertEqual(sliceditems[0].id, self.response['items'][4]['id'])

    def test_feed_items_before(self):
        # before and limit 3
        items = self.feed.items(before='acct:[email protected]', limit=3)
        self.assertEqual(len(items), 3)
        self.assertEqual(items[0].id, self.response['items'][11]['id'])
        self.assertEqual(items[-1].id, self.response['items'][13]['id'])

    def test_feed_items_since(self):
        # since and limit 12 (limit more than items returned)
        items = self.feed.items(since='acct:[email protected]', limit=12)
        self.assertEqual(len(items), 10)
        self.assertEqual(items[0].id, self.response['items'][9]['id'])
        self.assertEqual(items[-1].id, self.response['items'][0]['id'])

    def test_feed_items_no_limit(self):
        # no limit
        items = self.feed.items(limit=None)
        self.assertEqual(len(items), 20)
        self.assertEqual(items[0].id, self.response['items'][0]['id'])
        self.assertEqual(items[-1].id, self.response['items'][19]['id'])

    def test_feed_items_offset(self):
        # offset
        items = self.feed.items(offset=18)
        self.assertEqual(len(items), 2)

        # offset and limit
        items = self.feed.items(offset=10, limit=5)
        self.assertEqual(len(items), 5)

    def test_slice_slice_zero_to_3(self):
        sliceditems = self.feed[3:10][:3]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][3]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][5]['id'])

    def test_slice_slice_zero_to_negative(self):
        sliceditems = self.feed[3:10][:-3]
        self.assertEqual(len(sliceditems), 4)
        self.assertEqual(sliceditems[0].id, self.response['items'][3]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][6]['id'])

    def test_slice_slice_3_to_end(self):
        sliceditems = self.feed[3:10][3:]
        self.assertEqual(len(sliceditems), 4)
        self.assertEqual(sliceditems[0].id, self.response['items'][6]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][9]['id'])

    def test_slice_slice_negative_to_end(self):
        sliceditems = self.feed[3:10][-3:]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][7]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][9]['id'])

    def test_slice_slice_with_id(self):
        sliceditems = self.feed[3:10]
        with self.assertRaises(TypeError):
            sliceditems[slice(self.response['items'][4]['id'])]

    def test_feed_sliced_by_id(self):
        sliceditems = self.feed[slice('acct:[email protected]', None)][:3]
        self.assertEqual(len(sliceditems), 3)
        self.assertEqual(sliceditems[0].id, self.response['items'][11]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][13]['id'])

        with self.assertRaises(PyPumpException):
            self.feed[slice('acct:[email protected]', None)][3:]

        with self.assertRaises(PyPumpException):
            self.feed[slice('acct:[email protected]', None)][:-3]

    def test_zero_to_negative_slicing(self):
        sliceditems = self.feed[:-18]
        self.assertEqual(len(sliceditems), 2)
        self.assertEqual(sliceditems[0].id, self.response['items'][0]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][1]['id'])

    def test_negative_to_inf_slicing(self):
        sliceditems = self.feed[-18:]
        self.assertEqual(len(sliceditems), 18)
        self.assertEqual(sliceditems[0].id, self.response['items'][2]['id'])
        self.assertEqual(sliceditems[-1].id, self.response['items'][19]['id'])