Files
edx-platform/lms/djangoapps/discussion_api/tests/test_forms.py
christopher lee f552eca7d6 MA-642 Add topic_id query to discussion/thread api
Also added thread_list_url field.
2015-06-03 11:29:48 -04:00

141 lines
4.5 KiB
Python

"""
Tests for Discussion API forms
"""
from unittest import TestCase
from urllib import urlencode
from django.http import QueryDict
from opaque_keys.edx.locator import CourseLocator
from discussion_api.forms import CommentListGetForm, ThreadListGetForm
class FormTestMixin(object):
"""A mixin for testing forms"""
def get_form(self, expected_valid):
"""
Return a form bound to self.form_data, asserting its validity (or lack
thereof) according to expected_valid
"""
form = self.FORM_CLASS(self.form_data)
self.assertEqual(form.is_valid(), expected_valid)
return form
def assert_error(self, expected_field, expected_message):
"""
Create a form bound to self.form_data, assert its invalidity, and assert
that its error dictionary contains one entry with the expected field and
message
"""
form = self.get_form(expected_valid=False)
self.assertEqual(form.errors, {expected_field: [expected_message]})
def assert_field_value(self, field, expected_value):
"""
Create a form bound to self.form_data, assert its validity, and assert
that the given field in the cleaned data has the expected value
"""
form = self.get_form(expected_valid=True)
self.assertEqual(form.cleaned_data[field], expected_value)
class PaginationTestMixin(object):
"""A mixin for testing forms with pagination fields"""
def test_missing_page(self):
self.form_data.pop("page")
self.assert_field_value("page", 1)
def test_invalid_page(self):
self.form_data["page"] = "0"
self.assert_error("page", "Ensure this value is greater than or equal to 1.")
def test_missing_page_size(self):
self.form_data.pop("page_size")
self.assert_field_value("page_size", 10)
def test_zero_page_size(self):
self.form_data["page_size"] = "0"
self.assert_error("page_size", "Ensure this value is greater than or equal to 1.")
def test_excessive_page_size(self):
self.form_data["page_size"] = "101"
self.assert_field_value("page_size", 100)
class ThreadListGetFormTest(FormTestMixin, PaginationTestMixin, TestCase):
"""Tests for ThreadListGetForm"""
FORM_CLASS = ThreadListGetForm
def setUp(self):
super(ThreadListGetFormTest, self).setUp()
self.form_data = QueryDict(
urlencode(
{
"course_id": "Foo/Bar/Baz",
"page": "2",
"page_size": "13",
}
),
mutable=True
)
def test_basic(self):
self.form_data.setlist("topic_id", ["example topic_id", "example 2nd topic_id"])
form = self.get_form(expected_valid=True)
self.assertEqual(
form.cleaned_data,
{
"course_id": CourseLocator.from_string("Foo/Bar/Baz"),
"page": 2,
"page_size": 13,
"topic_id": ["example topic_id", "example 2nd topic_id"],
}
)
def test_missing_course_id(self):
self.form_data.pop("course_id")
self.assert_error("course_id", "This field is required.")
def test_invalid_course_id(self):
self.form_data["course_id"] = "invalid course id"
self.assert_error("course_id", "'invalid course id' is not a valid course id")
def test_empty_topic_id(self):
self.form_data.setlist("topic_id", ["", "not empty"])
self.assert_error("topic_id", "This field cannot be empty.")
class CommentListGetFormTest(FormTestMixin, PaginationTestMixin, TestCase):
"""Tests for CommentListGetForm"""
FORM_CLASS = CommentListGetForm
def setUp(self):
super(CommentListGetFormTest, self).setUp()
self.form_data = {
"thread_id": "deadbeef",
"endorsed": "False",
"page": "2",
"page_size": "13",
}
def test_basic(self):
form = self.get_form(expected_valid=True)
self.assertEqual(
form.cleaned_data,
{
"thread_id": "deadbeef",
"endorsed": False,
"page": 2,
"page_size": 13,
}
)
def test_missing_thread_id(self):
self.form_data.pop("thread_id")
self.assert_error("thread_id", "This field is required.")
def test_missing_endorsed(self):
self.form_data.pop("endorsed")
self.assert_field_value("endorsed", None)