Source code for bug_hub.tests.forms.test_form_bugcreation

"""
This module contains unit tests for validating the form used for
creating new bug reports in the Bug Hub application.
"""

from django.test import TestCase
from django.core.exceptions import ValidationError
from django.urls import reverse
from bug_hub.forms import BugCreationForm
from bug_hub.models import Bug



class BugCreationFormTestCase(TestCase):
    """
    Test case for the BugCreationForm.
    """


    def setUp(self):
        """
        Create the details of a sample bug instance
        """
        self.data = {
            "title": "Test Bug Title",
            "description": "This is a test bug description.",
            "bug_type": "feature",
            "status": "under_review",
        }




    def test_valid_form_data(self):
        """
        Test the form's validation with valid data.
        """
        form = BugCreationForm(data=self.data)
        self.assertTrue(form.is_valid(), f"Form is invalid. Errors: {form.errors}")




    def test_valid_form_redirection(self):
        """
        Test the redirection after a successful form submission.
        """
        response = self.client.post(
            reverse("bug_hub:bug_create"), data=self.data, follow=True
        )
        self.assertRedirects(response, reverse("bug_hub:bug_list"))




    def test_blank_data(self):
        """
        Test the form's behavior with blank data.
        """
        form = BugCreationForm({})
        self.assertFalse(form.is_valid())
        self.assertEqual(form.errors["title"], ["This field is required."])




    def test_clean_title_duplicate(self):
        """
        Test the clean_title() method of the BugCreationForm class when a duplicate title is provided.
        """
        # pylint: disable=E1101
        Bug.objects.create(title="Duplicate Title")
        # pylint: enable=E1101
        form = BugCreationForm()
        form.cleaned_data = {"title": "Duplicate Title"}
        with self.assertRaises(ValidationError):
            form.clean_title()