Add test for forms

Author: devmahmud

blog/tests/test_forms.py

@@ -0,0 +1,97 @@
+from django.test import TestCase
+from django.core import mail
+
+from blog.forms import CommentForm, EmailPostForm
+from .blog_factories import PostFactory
+
+
+class BlogFormTests(TestCase):
+ """
+ Test class for blog Forms
+ """
+
+ def test_comment_form_with_invalid_data(self):
+ """
+ Test comment form with invalid data
+ """
+ form = CommentForm({
+ 'name': 'John Doe',
+ 'email': 'Invalid Email'
+ })
+ self.assertFalse(form.is_valid())
+
+ def test_comment_form_with_valid_data(self):
+ """
+ Test comment form with valid data
+ """
+ form = CommentForm({
+ 'name': 'John Doe',
+ 'email': 'johndoe@gmail.com',
+ 'body': 'Some Comment'
+ })
+ self.assertTrue(form.is_valid())
+
+ def test_comment_saved_into_database(self):
+ """
+ Test valid comment is saving into database
+ """
+ form = CommentForm({
+ 'name': 'John Doe',
+ 'email': 'johndoe@gmail.com',
+ 'body': 'Some Comment'
+ })
+ comment = form.save(commit=False)
+ comment.post = PostFactory()
+ self.assertEqual(comment.name, 'John Doe')
+ self.assertEqual(comment.email, 'johndoe@gmail.com')
+ self.assertEqual(comment.body, 'Some Comment')
+
+ def test_email_post_form_with_invaild_data(self):
+ """
+ Test email post form with invalid data
+ """
+ form = EmailPostForm({
+ 'name': 'John Doe',
+ 'email': 'invalidemail',
+ 'to': 'invalidemail'
+ })
+ self.assertFalse(form.is_valid())
+
+ def test_email_post_form_with_vaild_data(self):
+ """
+ Test email post form with valid data
+ """
+ form = EmailPostForm({
+ 'name': 'John Doe',
+ 'email': 'jdoe@gmail.com',
+ 'to': 'missdoe@gmail.com',
+ 'comments': 'some comments'
+ })
+ self.assertTrue(form.is_valid())
+
+ def test_send_email_with_email_post_form(self):
+ """
+ Test sharing post with EmailPostForm
+ """
+ post = PostFactory.create()
+
+ form = EmailPostForm({
+ 'name': 'John Doe',
+ 'email': 'jdoe@gmail.com',
+ 'to': 'missdoe@gmail.com',
+ 'comments': 'some comments'
+ })
+
+ post_url = post.get_absolute_url()
+
+ if form.is_valid():
+ cd = form.cleaned_data
+ subject = f"{cd['name']} recommends you read {post.title}"
+ message = f"Read {post.title} at {post_url}\n\n" \
+ f"{cd['name']}\'s comments: {cd['comments']}"
+ mail.send_mail(subject, message, 'admin@myblog.com', [cd['to']])
+
+ self.assertEqual(len(mail.outbox), 1)
+ self.assertEqual(mail.outbox[0].subject, subject)
+ else:
+ self.assertTrue(form.is_valid)