8000 Added new section 1 with an introduction to automated testing in Python. · coduya/testing-python-apps@1fef2bb · GitHub
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Added new section 1 with an introduction to automated testing in Python.
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‎section1/video_code/app.py

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from blog import Blog
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MENU_PROMPT = '\nEnter "c" to create a blog, "l" to list them, "r" to read one, "p" to write a post, or "q" to quit: '
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POST_TEMPLATE = """
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--- {} ---
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{}
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"""
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blogs = dict()
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def menu():
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print_blogs()
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selection = input(MENU_PROMPT)
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while selection != 'q':
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if selection == 'c':
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ask_create_blog()
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elif selection == 'l':
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print_blogs()
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elif selection == 'r':
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ask_read_blog()
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elif selection == 'p':
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ask_create_post()
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selection = input(MENU_PROMPT)
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def print_blogs():
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for key, blog in blogs.items():
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print('- {}'.format(blog))
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def ask_create_blog():
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title = input("Enter your blog title: ")
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author = input("Enter your name: ")
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blogs[title] = Blog(title, author)
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def ask_read_blog():
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title = input("Enter the blog title you want to read: ")
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print_posts(blogs[title])
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def print_posts(blog):
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for post in blog.posts:
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print_post(post)
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def print_post(post):
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print(POST_TEMPLATE.format(post.title, post.content))
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def ask_create_post():
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blog = input("Enter the blog title you want to create a post in: ")
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title = input("Enter your post title: ")
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content = input("Enter your post content: ")
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blogs[blog].create_post(title, content)
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menu()

‎section1/video_code/blog.py

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from post import Post
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class Blog:
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def __init__(self, title, author):
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self.title = title
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self.author = author
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self.posts = []
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def __repr__(self):
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return '{} by {} ({} posts)'.format(self.title, self.author, len(self.posts))
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def create_post(self, title, content):
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self.posts.append(Post(title, content))
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def json(self):
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return {
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'title': self.title,
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'author': self.author,
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'posts': [post.json() for post in self.posts],
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}

‎section1/video_code/post.py

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class Post:
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def __init__(self, title, content):
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self.title = title
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self.content = content
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def json(self):
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return {
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'title': self.title,
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'content': self.content,
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}

‎section1/video_code/tests/__init__.py

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‎section1/video_code/tests/integration/__init__.py

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‎section1/video_code/tests/integration/blog_test.py

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from unittest import TestCase
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from blog import Blog
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class BlogTest(TestCase):
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def test_create_post_in_blog(self):
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b = Blog('Test', 'Test author')
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b.create_post('Test Post', 'Test Content')
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self.assertEqual(b.posts[0].title, 'Test Post')
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self.assertEqual(b.posts[0].content, 'Test Content')
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def test_blog_repr(self):
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b = Blog('Test', 'Test author')
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self.assertEqual(str(b), "Test by Test author (0 posts)")
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def test_json_with_posts(self):
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b = Blog('Test', 'Test author')
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b.create_post('Test Post', 'Test Content')
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self.assertDictEqual(b.json(), {
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'title': b.title,
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'author': b.author,
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'posts': [{'title': 'Test Post', 'content': 'Test Content'}],
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})

‎section1/video_code/tests/system/__init__.py

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‎section1/video_code/tests/system/app_test.py

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‎section1/video_code/tests/unit/__init__.py

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‎section1/video_code/tests/unit/blog_test.py

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from unittest import TestCase
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from blog import Blog
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class BlogTest(TestCase):
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def test_create_blog(self):
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b = Blog('Test', 'Test author')
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self.assertEqual('Test', b.title)
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self.assertEqual('Test author', b.author)
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self.assertEqual(0, len(b.posts))
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self.assertListEqual([], b.posts)
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def test_json_no_posts(self):
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b = Blog('Test', 'Test author')
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self.assertDictEqual(b.json(), {
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'title': b.title,
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'author': b.author,
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'posts': [],
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})

‎section1/video_code/tests/unit/post_test.py

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from unittest import TestCase
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from post import Post
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class PostTest(TestCase):
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def test_create_post(self):
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p = Post('Test', 'Test content')
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self.assertEqual('Test', p.title)
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self.assertEqual('Test content', p.content)
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def test_json(self):
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p = Post('Test', 'Test content')
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self.assertDictEqual({'title': p.title, 'content': p.content}, p.json())

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