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How to use _jsonify_items method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

test_pagination.py

Source:test_pagination.py

...4class PaginatorTestCase(UnitTestBase):5    def test_jsonify_items_when_no_items(self):6        items, total = SampleModel.query.all(), SampleModel.query.count()7        p = Pagination(SampleModel.query, 1, 0, total, items)8        self.assertEqual(p._jsonify_items(), [])9    def test_jsonify_items_when_some_exist(self):10        SampleModel.manager.create(**{})11        items, total = SampleModel.query.all(), SampleModel.query.count()12        p = Pagination(SampleModel.query, 1, 1, total, items)13        self.assertNotEqual(p._jsonify_items(), [])14    def test_assert_pages_is_zero_when_per_page_is_zero(self):15        items, total = SampleModel.query.all(), SampleModel.query.count()16        p = Pagination(SampleModel.query, 1, 0, total, items)17        self.assertEqual(p.pages, 0)18    def test_iter_pages(self):19        SampleModel.manager.create(**{})20        items, total = SampleModel.query.all(), SampleModel.query.count()21        p = Pagination(SampleModel.query, 1, 1, total, items)22        self.assertNotEqual(p._jsonify_items(), [])23        _ = [i for i in p.iter_pages()]24        self.assertIn(1, _)25class PaginationTestCase(UnitTestBase):26    def test_paginate_no_records_in_db(self):27        paginator = SampleModel.manager.paginate()28        self.assertEqual(paginator.has_next, False)29        self.assertEqual(paginator.has_prev, False)30        self.assertEqual(paginator.page, 1)31        self.assertEqual(paginator.prev_num, 0)32        self.assertEqual(paginator.next_num, 2)33        self.assertEqual(paginator.pages, 0)34        self.assertEqual(paginator.total, 0)35    def test_paginator_two_records_in_db_default_settings(self):36        model1 = SampleModel()...

paginator.py

Source:paginator.py

...10        self.per_page = per_page11        self.total = total12        self.items = items13        self.extra = kwargs14    def _jsonify_items(self):15        if not self.items:16            return []17        return self.items18    @property19    def pages(self):20        if self.per_page == 0:21            pages = 022        else:23            pages = int(ceil(self.total / float(self.per_page)))24        return pages25    @property26    def prev_num(self):27        return self.page - 128    @property29    def has_prev(self):30        return self.page > 131    @property32    def has_next(self):33        return self.page < self.pages34    @property35    def next_num(self):36        return self.page + 137    def iter_pages(self, left_edge=2, left_current=2,38                   right_current=5, right_edge=2):39        last = 040        for num in xrange(1, self.pages + 1):41            if num <= left_edge or \42               (num > self.page - left_current - 1 and43                num < self.page + right_current) or \44               num > self.pages - right_edge:45                if last + 1 != num:46                    yield None47                yield num48                last = num49    def __json__(self, request=None):50        return {51            'meta': {52                'previous': self.prev_num if self.has_prev else None,53                'next': self.next_num if self.has_next else None,54                'per_page': self.per_page,55                'total_entries': self.total,56                'page': self.page,57                'total_pages': self.pages58            },59            'items': self._jsonify_items(),60            'extra': self.extra61        }62def paginate(qs, page=1, per_page=20, **kwargs):63    if page < 1:64        raise PaginationException(u"Page has to be grater or equal 1")65    if per_page < 0:66        raise PaginationException(u"Page has to be grater than 0")67    total = int(qs.count())68    if total < (page-1) * per_page:69        page, per_page = 1, 2070    items = qs.limit(per_page).offset((page - 1) * per_page).all()71    if not items and page != 1:72        return False73    return Pagination(qs, page, per_page, total, items, **kwargs)

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