def test_view(self):
        """Test the displaying of the category view"""
        self.clear_db()
        self.register_and_login('barney', 'abc')
        category = Category('drdre')
        db.session.add(category)
        db.session.commit()
        post = Post('the chronic', visible=True)
        post2 = Post('the chrinoc', visible=False)
        post._categories = [category]
        post2._categories = [category]
        db.session.add(post)
        db.session.add(post2)
        db.session.commit()
        rv = self.client.get('/category/drdre/')
        self.assert_200(rv)
        assert 'the chronic' in rv.data
        rv = self.client.get('/category/sugeknight/')
        self.assert_404(rv)
        
        self.logout()
        rv = self.client.get('/category/drdre/')
        self.assert_200(rv)
        assert 'the chronic' in rv.data
        assert 'the chrinoc' not in rv.data
        
        rv = self.client.get('/uncategorized/')
        self.assert_200(rv)
        assert 'Uncategorized posts' not in rv.data
        post2 = Post('dancing in the moonlight')
        db.session.add(post2)
        db.session.commit()
        rv = self.client.get('/uncategorized/')
        self.assert_200(rv)
        assert 'dancing in the moonlight' in rv.data
dataset/ETHPy150Open eugenkiss/Simblin/test/test_views.py/TestCategory.test_view/operator `in` -> `not in`