Files
edx-platform/lms/djangoapps/badges/backends/tests/test_badgr_backend.py
2016-04-01 21:06:07 +00:00

209 lines
8.4 KiB
Python

"""
Tests for BadgrBackend
"""
from datetime import datetime
import ddt
from django.db.models.fields.files import ImageFieldFile
from django.test.utils import override_settings
from lazy.lazy import lazy
from mock import patch, Mock, call
from badges.backends.badgr import BadgrBackend
from badges.models import BadgeAssertion
from badges.tests.factories import BadgeClassFactory
from openedx.core.lib.tests.assertions.events import assert_event_matches
from student.tests.factories import UserFactory, CourseEnrollmentFactory
from track.tests import EventTrackingTestCase
from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
from xmodule.modulestore.tests.factories import CourseFactory
BADGR_SETTINGS = {
'BADGR_API_TOKEN': '12345',
'BADGR_BASE_URL': 'https://example.com',
'BADGR_ISSUER_SLUG': 'test-issuer',
}
# Should be the hashed result of test_slug as the slug, and test_component as the component
EXAMPLE_SLUG = '15bb687e0c59ef2f0a49f6838f511bf4ca6c566dd45da6293cabbd9369390e1a'
# pylint: disable=protected-access
@ddt.ddt
@override_settings(**BADGR_SETTINGS)
class BadgrBackendTestCase(ModuleStoreTestCase, EventTrackingTestCase):
"""
Tests the BadgeHandler object
"""
def setUp(self):
"""
Create a course and user to test with.
"""
super(BadgrBackendTestCase, self).setUp()
# Need key to be deterministic to test slugs.
self.course = CourseFactory.create(
org='edX', course='course_test', run='test_run', display_name='Badged',
start=datetime(year=2015, month=5, day=19),
end=datetime(year=2015, month=5, day=20)
)
self.user = UserFactory.create(email='example@example.com')
CourseEnrollmentFactory.create(user=self.user, course_id=self.course.location.course_key, mode='honor')
# Need to empty this on each run.
BadgrBackend.badges = []
self.badge_class = BadgeClassFactory.create(course_id=self.course.location.course_key)
self.legacy_badge_class = BadgeClassFactory.create(
course_id=self.course.location.course_key, issuing_component=''
)
self.no_course_badge_class = BadgeClassFactory.create()
@lazy
def handler(self):
"""
Lazily loads a BadgeHandler object for the current course. Can't do this on setUp because the settings
overrides aren't in place.
"""
return BadgrBackend()
def test_urls(self):
"""
Make sure the handler generates the correct URLs for different API tasks.
"""
self.assertEqual(self.handler._base_url, 'https://example.com/v1/issuer/issuers/test-issuer')
self.assertEqual(self.handler._badge_create_url, 'https://example.com/v1/issuer/issuers/test-issuer/badges')
self.assertEqual(
self.handler._badge_url('test_slug_here'),
'https://example.com/v1/issuer/issuers/test-issuer/badges/test_slug_here'
)
self.assertEqual(
self.handler._assertion_url('another_test_slug'),
'https://example.com/v1/issuer/issuers/test-issuer/badges/another_test_slug/assertions'
)
def check_headers(self, headers):
"""
Verify the a headers dict from a requests call matches the proper auth info.
"""
self.assertEqual(headers, {'Authorization': 'Token 12345'})
def test_get_headers(self):
"""
Check to make sure the handler generates appropriate HTTP headers.
"""
self.check_headers(self.handler._get_headers())
@patch('requests.post')
def test_create_badge(self, post):
"""
Verify badge spec creation works.
"""
self.handler._create_badge(self.badge_class)
args, kwargs = post.call_args
self.assertEqual(args[0], 'https://example.com/v1/issuer/issuers/test-issuer/badges')
self.assertEqual(kwargs['files']['image'][0], self.badge_class.image.name)
self.assertIsInstance(kwargs['files']['image'][1], ImageFieldFile)
self.assertEqual(kwargs['files']['image'][2], 'image/png')
self.check_headers(kwargs['headers'])
self.assertEqual(
kwargs['data'],
{
'name': 'Test Badge',
'slug': EXAMPLE_SLUG,
'criteria': 'https://example.com/syllabus',
'description': "Yay! It's a test badge.",
}
)
def test_ensure_badge_created_cache(self):
"""
Make sure ensure_badge_created doesn't call create_badge if we know the badge is already there.
"""
BadgrBackend.badges.append(EXAMPLE_SLUG)
self.handler._create_badge = Mock()
self.handler._ensure_badge_created(self.badge_class)
self.assertFalse(self.handler._create_badge.called)
@ddt.unpack
@ddt.data(
('badge_class', EXAMPLE_SLUG),
('legacy_badge_class', 'test_slug'),
('no_course_badge_class', 'test_componenttest_slug')
)
def test_slugs(self, badge_class_type, slug):
self.assertEqual(self.handler._slugify(getattr(self, badge_class_type)), slug)
@patch('requests.get')
def test_ensure_badge_created_checks(self, get):
response = Mock()
response.status_code = 200
get.return_value = response
self.assertNotIn('test_componenttest_slug', BadgrBackend.badges)
self.handler._create_badge = Mock()
self.handler._ensure_badge_created(self.badge_class)
self.assertTrue(get.called)
args, kwargs = get.call_args
self.assertEqual(
args[0],
'https://example.com/v1/issuer/issuers/test-issuer/badges/' +
EXAMPLE_SLUG
)
self.check_headers(kwargs['headers'])
self.assertIn(EXAMPLE_SLUG, BadgrBackend.badges)
self.assertFalse(self.handler._create_badge.called)
@patch('requests.get')
def test_ensure_badge_created_creates(self, get):
response = Mock()
response.status_code = 404
get.return_value = response
self.assertNotIn(EXAMPLE_SLUG, BadgrBackend.badges)
self.handler._create_badge = Mock()
self.handler._ensure_badge_created(self.badge_class)
self.assertTrue(self.handler._create_badge.called)
self.assertEqual(self.handler._create_badge.call_args, call(self.badge_class))
self.assertIn(EXAMPLE_SLUG, BadgrBackend.badges)
@patch('requests.post')
def test_badge_creation_event(self, post):
result = {
'json': {'id': 'http://www.example.com/example'},
'image': 'http://www.example.com/example.png',
'badge': 'test_assertion_slug',
'issuer': 'https://example.com/v1/issuer/issuers/test-issuer',
}
response = Mock()
response.json.return_value = result
post.return_value = response
self.recreate_tracker()
self.handler._create_assertion(self.badge_class, self.user, 'https://example.com/irrefutable_proof')
args, kwargs = post.call_args
self.assertEqual(
args[0],
'https://example.com/v1/issuer/issuers/test-issuer/badges/' +
EXAMPLE_SLUG +
'/assertions'
)
self.check_headers(kwargs['headers'])
assertion = BadgeAssertion.objects.get(user=self.user, badge_class__course_id=self.course.location.course_key)
self.assertEqual(assertion.data, result)
self.assertEqual(assertion.image_url, 'http://www.example.com/example.png')
self.assertEqual(assertion.assertion_url, 'http://www.example.com/example')
self.assertEqual(kwargs['data'], {
'email': 'example@example.com',
'evidence': 'https://example.com/irrefutable_proof'
})
assert_event_matches({
'name': 'edx.badge.assertion.created',
'data': {
'user_id': self.user.id,
'course_id': unicode(self.course.location.course_key),
'enrollment_mode': 'honor',
'assertion_id': assertion.id,
'badge_name': 'Test Badge',
'badge_slug': 'test_slug',
'issuing_component': 'test_component',
'assertion_image_url': 'http://www.example.com/example.png',
'assertion_json_url': 'http://www.example.com/example',
'issuer': 'https://example.com/v1/issuer/issuers/test-issuer',
}
}, self.get_event())