Add test coverage for Models and PostList

blog/tests.py

@@ -1,3 +1,228 @@
 from django.test import TestCase
 
-# Create your tests here.
+from django.utils.timezone import now
+from django.contrib.auth.models import User
+from django.core.urlresolvers import reverse
+from blog.models import Author, Post, Comment
+
+
+class AuthorModelTest(TestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        new_user = User.objects.create_user(
+            username='john',
+            email='jlennon@beatles.com',
+            password='glass onion',
+            first_name='John',
+            last_name='Wick',
+        )
+        Author.objects.create(
+            user=new_user,
+            bio='This is me, from the movies.'
+        )
+
+    def test_user_label(self):
+        author = Author.objects.get(id=1)
+        field_label = author._meta.get_field('user').verbose_name
+        self.assertEquals(field_label, 'user')
+
+    def test_bio_label(self):
+        author = Author.objects.get(id=1)
+        field_label = author._meta.get_field('bio').verbose_name
+        self.assertEquals(field_label, 'bio')
+
+    def test_bio_max_length(self):
+        author = Author.objects.get(id=1)
+        max_length = author._meta.get_field('bio').max_length
+        self.assertEquals(max_length, 500)
+
+    def test_object_name_is_first_name_with_last_name(self):
+        author = Author.objects.get(id=1)
+        expected_object_name = '%s %s' % (author.user.first_name, author.user.last_name)
+        self.assertEquals(expected_object_name, str(author))
+
+    def test_get_absolute_url(self):
+        author = Author.objects.get(id=1)
+        self.assertEquals(author.get_absolute_url(), '/blog/author/1')
+
+    def test_get_full_name(self):
+        author = Author.objects.get(id=1)
+        expected_full_name = '%s %s' % (author.user.first_name, author.user.last_name)
+        self.assertEquals(expected_full_name, str(author))
+
+
+class PostModelTest(TestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        new_user = User.objects.create_user(
+            username='john',
+            email='jlennon@beatles.com',
+            password='glass onion',
+            first_name='John',
+            last_name='Wick'
+        )
+        new_author = Author.objects.create(
+            user=new_user,
+            bio='This is me, from the movies.'
+        )
+        Post.objects.create(
+            title='This the post title',
+            content='This is the post content.',
+            published_at=now(),
+            author=new_author
+        )
+
+    def test_title_label(self):
+        post = Post.objects.get(id=1)
+        field_label = post._meta.get_field('title').verbose_name
+        self.assertEquals(field_label, 'title')
+
+    def test_content_label(self):
+        post = Post.objects.get(id=1)
+        field_label = post._meta.get_field('content').verbose_name
+        self.assertEquals(field_label, 'content')
+
+    def test_published_at_label(self):
+        post = Post.objects.get(id=1)
+        field_label = post._meta.get_field('published_at').verbose_name
+        self.assertEquals(field_label, 'published at')
+
+    def test_author_label(self):
+        post = Post.objects.get(id=1)
+        field_label = post._meta.get_field('author').verbose_name
+        self.assertEquals(field_label, 'author')
+
+    def test_title_max_length(self):
+        post = Post.objects.get(id=1)
+        max_length = post._meta.get_field('title').max_length
+        self.assertEquals(max_length, 200)
+
+    def test_content_max_length(self):
+        post = Post.objects.get(id=1)
+        max_length = post._meta.get_field('content').max_length
+        self.assertEquals(max_length, 4000)
+
+    def test_object_name_is_post_title(self):
+        post = Post.objects.get(id=1)
+        expected_object_name = post.title
+        self.assertEquals(expected_object_name, str(post))
+
+    def test_get_absolute_url(self):
+        post = Post.objects.get(id=1)
+        self.assertEquals(post.get_absolute_url(), '/blog/post/1')
+
+
+class CommentModelTest(TestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        new_user = User.objects.create_user(
+            username='john',
+            email='jlennon@beatles.com',
+            password='glass onion',
+            first_name='John',
+            last_name='Wick'
+        )
+        new_author = Author.objects.create(
+            user=new_user,
+            bio='This is me, from the movies.'
+        )
+        new_post = Post.objects.create(
+            title='This the post title',
+            content='This is the post content.',
+            published_at=now(),
+            author=new_author
+        )
+        Comment.objects.create(
+            content='This is the comment content.',
+            published_at=now(),
+            post=new_post,
+            author=new_user
+        )
+
+    def test_content_label(self):
+        comment = Comment.objects.get(id=1)
+        field_label = comment._meta.get_field('content').verbose_name
+        self.assertEquals(field_label, 'Comment')
+
+    def test_published_at_label(self):
+        comment = Comment.objects.get(id=1)
+        field_label = comment._meta.get_field('published_at').verbose_name
+        self.assertEquals(field_label, 'published at')
+
+    def test_post_label(self):
+        comment = Comment.objects.get(id=1)
+        field_label = comment._meta.get_field('post').verbose_name
+        self.assertEquals(field_label, 'post')
+
+    def test_author_label(self):
+        comment = Comment.objects.get(id=1)
+        field_label = comment._meta.get_field('author').verbose_name
+        self.assertEquals(field_label, 'author')
+
+    def test_content_max_length(self):
+        comment = Comment.objects.get(id=1)
+        max_length = comment._meta.get_field('content').max_length
+        self.assertEquals(max_length, 500)
+
+    def test_object_name_is_comment_content(self):
+        comment = Comment.objects.get(id=1)
+        expected_object_name = comment.content
+        self.assertEquals(expected_object_name, str(comment))
+
+    def test_get_absolute_url(self):
+        comment = Comment.objects.get(id=1)
+        self.assertEquals(comment.get_absolute_url(), '/blog/post/1')
+
+
+class PostListViewTest(TestCase):
+
+    @classmethod
+    def setUpTestData(cls):
+        new_user = User.objects.create_user(
+            username='john',
+            email='jlennon@beatles.com',
+            password='glass onion',
+            first_name='John',
+            last_name='Wick'
+        )
+        new_author = Author.objects.create(
+            user=new_user,
+            bio='This is me, from the movies.'
+        )
+        Post.objects.create(
+            title='This the post title',
+            content='This is the post content.',
+            published_at=now(),
+            author=new_author
+        )
+        number_of_posts = 13
+        for post_number in range(number_of_posts):
+            Post.objects.create(
+                title='This the post title %s' % post_number,
+                content='This is the post content %s.' % post_number,
+                published_at=now(),
+                author=new_author
+            )
+
+    def test_view_url_exists_at_desired_location(self):
+        response = self.client.get('/blog/')
+        self.assertEqual(response.status_code, 200)
+
+    def test_view_url_accessible_by_name(self):
+        response = self.client.get(reverse('index'))
+        self.assertEqual(response.status_code, 200)
+
+    def test_view_uses_correct_template(self):
+        response = self.client.get(reverse('index'))
+        self.assertEqual(response.status_code, 200)
+        self.assertTemplateUsed(response, 'blog/post_list.html')
+
+    def test_pagination_is_five(self):
+        response = self.client.get(reverse('index'))
+        self.assertEqual(response.status_code, 200)
+        self.assertTrue('is_paginated' in response.context)
+        self.assertTrue(response.context['is_paginated'] == True)
+        self.assertTrue(len(response.context['post_list']) == 5)