test_views.py

from django.urls import reverse
from django.test import Client, TestCase


REQUIRED_FIELD_ERROR = "This field is required."


class TestUserView(TestCase):
    def setUp(self):
        self.client = Client()
        self.register_url = reverse("todo:register")
        self.login_url = reverse("todo:login")
        self.logout_url = reverse("todo:logout")
        self.home_url = reverse("todo:home")
        self.register_template = "todo/register.html"
        self.login_template = "todo/login.html"

    def test_register_user_GET(self):
        response = self.client.get(self.register_url)

        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, self.register_template)

    def test_positive_register_user_POST(self):
        response = self.client.post(
            self.register_url,
            data={"username": "testuser", "password": "testpassword"},
        )

        self.assertEqual(response.status_code, 302)
        self.assertEqual(response.url, self.login_url)
        self.assertTemplateNotUsed(response, self.register_template)
        
class TestTodoView(TestCase):
    def setUp(self) -> None:
        self.client = Client()
        self.register_url = reverse("todo:register")
        self.login_url = reverse("todo:login")
        self.logout_url = reverse("todo:logout")
        self.home_url = reverse("todo:home")
        self.create_todo_url = reverse("todo:create_todo")
        self.edit_todo_url = reverse("todo:edit_todo", args=["1"])
        self.delete_todo_url = reverse("todo:delete_todo", args=["1"])
        self.toggle_todo_url = reverse("todo:toggle_todo", args=["1"])
        self.register_template = "todo/register.html"
        self.login_template = "todo/login.html"
        self.home_template = "todo/home.html"
        self.create_todo_template = "todo/create_todo.html"
        self.edit_todo_template = "todo/edit_todo.html"

    def register(self):
        self.client.post(
            self.register_url,
            data={"username": "testuser", "password": "testpassword"},
        )

    def login(self):
        self.register()
        self.client.post(
            self.login_url,
            data={"username": "testuser", "password": "testpassword"},
        )

    def test_negative_home_user_not_logged_in(self):
        response = self.client.get(self.home_url)

        self.assertEqual(response.status_code, 200)
        self.assertTemplateUsed(response, self.home_template)
        self.assertFalse(response.context["user"].is_authenticated)