Ejemplo n.º 1
0
    def test_remove_content_xml(self):
        """
        Test behavior of remove_content_xml flag.
        """
        resource_dict = as_json(self.client.get(
            "{repo_base}{repo_slug}/learning_resources/{lr_id}/".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
                lr_id=self.resource.id
            )
        ))
        self.assertTrue("content_xml" in resource_dict)

        without_content_xml_dict = as_json(
            self.client.get(
                "{repo_base}{repo_slug}/learning_resources/"
                "{lr_id}/?remove_content_xml=true".format(
                    repo_base=REPO_BASE,
                    repo_slug=self.repo.slug,
                    lr_id=self.resource.id
                )
            )
        )
        self.assertFalse("content_xml" in without_content_xml_dict)
        del resource_dict["content_xml"]
        self.assertEqual(without_content_xml_dict, resource_dict)
Ejemplo n.º 2
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    def test_vocabulary_pagination(self):
        """Test pagination for collections"""

        expected = [
            Vocabulary.objects.create(
                repository=self.repo,
                name="name{i}".format(i=i),
                description="description",
                required=True,
                vocabulary_type=Vocabulary.FREE_TAGGING,
                weight=1000,
            ) for i in range(40)]

        resp = self.client.get(
            '{repo_base}{repo_slug}/vocabularies/'.format(
                repo_slug=self.repo.slug,
                repo_base=REPO_BASE,
            ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        vocabularies = as_json(resp)
        self.assertEqual(40, vocabularies['count'])
        self.assertEqual([VocabularySerializer(x).data for x in expected[:20]],
                         vocabularies['results'])

        resp = self.client.get(
            '{repo_base}{repo_slug}/vocabularies/?page=2'.format(
                repo_slug=self.repo.slug,
                repo_base=REPO_BASE,
            ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        vocabularies = as_json(resp)
        self.assertEqual(40, vocabularies['count'])
        self.assertEqual([VocabularySerializer(x).data
                          for x in expected[20:40]], vocabularies['results'])
Ejemplo n.º 3
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    def test_vocabulary_pagination(self):
        """Test pagination for collections"""
        # Ordering by ID is required, because due to the ORM's laziness,
        # grabbing vocabs[0] later might return a different item.
        vocabs = Vocabulary.objects.filter(
            repository__id=self.repo.id).order_by('id')
        self.assertEqual(vocabs.count(), 0)
        expected = [
            VocabularySerializer(Vocabulary.objects.create(
                repository=self.repo,
                name="name{i}".format(i=i),
                description="description",
                required=True,
                vocabulary_type=Vocabulary.FREE_TAGGING,
                weight=1000,
            )).data for i in range(40)]

        expected.sort(key=lambda x: x["id"])

        resp = self.client.get(
            '{repo_base}{repo_slug}/vocabularies/'.format(
                repo_slug=self.repo.slug,
                repo_base=REPO_BASE,
            ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        vocabularies = as_json(resp)
        self.assertEqual(40, vocabularies['count'])

        # Sort both lists in preparation for comparisons.
        expected.sort(key=lambda x: x["id"])
        from_api = sorted(vocabularies['results'], key=lambda x: x["id"])

        expected_count = 20
        self.assertEqual(expected_count, len(from_api))
        self.assertEqual(
            expected[:expected_count],
            from_api,
        )

        resp = self.client.get(
            '{repo_base}{repo_slug}/vocabularies/?page=2'.format(
                repo_slug=self.repo.slug,
                repo_base=REPO_BASE,
            ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        vocabularies = as_json(resp)
        from_api = sorted(vocabularies['results'], key=lambda x: x["id"])
        self.assertEqual(expected_count, len(from_api))
        self.assertEqual(40, vocabularies['count'])
        self.assertEqual(
            from_api,
            expected[expected_count:expected_count*2],
        )
Ejemplo n.º 4
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    def test_term_pagination(self):
        """Test pagination for collections"""

        vocab_slug = self.create_vocabulary(self.repo.slug)['slug']

        expected = [
            self.create_term(
                self.repo.slug,
                vocab_slug,
                {
                    "label": "name{i}".format(i=i),
                    "weight": 1000,
                }
            ) for i in range(40)]

        terms = self.get_terms(self.repo.slug, vocab_slug)
        self.assertEqual(40, terms['count'])
        self.assertEqual([TermSerializer(x).data for x in expected[:20]],
                         terms['results'])

        resp = self.client.get(
            '{repo_base}{repo_slug}/vocabularies/'
            '{vocab_slug}/terms/?page=2'.format(
                repo_slug=self.repo.slug,
                repo_base=REPO_BASE,
                vocab_slug=vocab_slug,
            ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        terms = as_json(resp)
        self.assertEqual(40, terms['count'])
        self.assertEqual([TermSerializer(x).data
                          for x in expected[20:40]], terms['results'])
Ejemplo n.º 5
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    def test_repository_pagination(self):
        """Test pagination for collections"""

        expected = [
            self.create_repository(
                {
                    'name': "name{i}".format(i=i),
                    "description": "description"
                }
            ) for i in range(40)]

        repositories = self.get_repositories()

        # 40 we created + self.repo
        self.assertEqual(41, repositories['count'])
        self.assertEqual(
            [RepositorySerializer(
                Repository.objects.get(id=x['id'])).data
             for x in expected[:19]],
            repositories['results'][1:20])

        resp = self.client.get(
            '{repo_base}?page=2'.format(
                repo_base=REPO_BASE,
            ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        repositories = as_json(resp)
        self.assertEqual(41, repositories['count'])
        self.assertEqual(
            [RepositorySerializer(Repository.objects.get(id=x['id'])).data
             for x in expected[19:39]], repositories['results'])
Ejemplo n.º 6
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    def test_term_pagination(self):
        """Test pagination for collections"""

        vocab_slug = self.create_vocabulary(self.repo.slug)['slug']

        expected = [
            self.create_term(
                self.repo.slug,
                vocab_slug,
                {
                    "label": "name{i}".format(i=i),
                    "weight": 1000,
                }
            ) for i in range(40)]
        terms = self.get_terms(self.repo.slug, vocab_slug)
        self.assertEqual(40, terms['count'])
        self.assertEqual([TermSerializer(x).data for x in expected[:20]],
                         terms['results'])

        resp = self.client.get(
            '{repo_base}{repo_slug}/vocabularies/'
            '{vocab_slug}/terms/?page=2'.format(
                repo_slug=self.repo.slug,
                repo_base=REPO_BASE,
                vocab_slug=vocab_slug,
            ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        terms = as_json(resp)
        self.assertEqual(40, terms['count'])
        self.assertEqual([TermSerializer(x).data
                          for x in expected[20:40]], terms['results'])
Ejemplo n.º 7
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        def get_filtered(ids=None, vocab_slug=None, types=None,
                         expected_status=HTTP_200_OK):
            """Return list of LearningResources in shopping cart."""
            url_base = "{repo_base}{repo_slug}/learning_resources/".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
            )

            params = []
            if ids is not None:
                params.append("id={ids}".format(
                    ids=",".join([str(s) for s in ids])
                ))

            if vocab_slug is not None:
                params.append("vocab_slug={slug}".format(
                    slug=vocab_slug
                ))

            if types is not None:
                for type_name in types:
                    params.append("type_name={name}".format(name=type_name))

            params_line = ""
            if params:
                params_line = "?" + "&".join(params)
            resp = self.client.get("{url_base}{params_line}".format(
                url_base=url_base,
                params_line=params_line
            ))
            self.assertEqual(expected_status, resp.status_code)
            if expected_status == HTTP_200_OK:
                return sorted([x['id'] for x in as_json(resp)['results']])
Ejemplo n.º 8
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    def test_repository_pagination(self):
        """Test pagination for collections"""

        expected = [
            self.create_repository({
                'name': "name{i}".format(i=i),
                "description": "description"
            }) for i in range(40)
        ]

        repositories = self.get_repositories()

        # 40 we created + self.repo
        self.assertEqual(41, repositories['count'])
        self.assertEqual([
            RepositorySerializer(Repository.objects.get(id=x['id'])).data
            for x in expected[:19]
        ], repositories['results'][1:20])

        resp = self.client.get('{repo_base}?page=2'.format(
            repo_base=REPO_BASE, ))
        self.assertEqual(HTTP_200_OK, resp.status_code)
        repositories = as_json(resp)
        self.assertEqual(41, repositories['count'])
        self.assertEqual([
            RepositorySerializer(Repository.objects.get(id=x['id'])).data
            for x in expected[19:39]
        ], repositories['results'])
        def get_filtered(ids=None, vocab_slug=None, types=None,
                         expected_status=HTTP_200_OK):
            """Return list of LearningResources in shopping cart."""
            url_base = "{repo_base}{repo_slug}/learning_resources/".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
            )

            params = []
            if ids is not None:
                params.append("id={ids}".format(
                    ids=",".join([str(s) for s in ids])
                ))

            if vocab_slug is not None:
                params.append("vocab_slug={slug}".format(
                    slug=vocab_slug
                ))

            if types is not None:
                for type_name in types:
                    params.append("type_name={name}".format(name=type_name))

            params_line = ""
            if params:
                params_line = "?" + "&".join(params)
            resp = self.client.get("{url_base}{params_line}".format(
                url_base=url_base,
                params_line=params_line
            ))
            self.assertEqual(expected_status, resp.status_code)
            if expected_status == HTTP_200_OK:
                return sorted([x['id'] for x in as_json(resp)['results']])
Ejemplo n.º 10
0
    def test_learning_resource_types(self):
        """
        Get from learning_resource_types.
        """
        base_url = "{}learning_resource_types/".format(API_BASE)

        resp = self.client.get(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        types = as_json(resp)

        self.assertEqual(sorted([lrt.name for lrt
                                 in LearningResourceType.objects.all()]),
                         sorted([t['name'] for t in types['results']]))

        # nothing besides GET, OPTION, HEAD allowed
        resp = self.client.options(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        resp = self.client.head(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        resp = self.client.post(base_url, {})
        self.assertEqual(HTTP_405_METHOD_NOT_ALLOWED, resp.status_code)
        resp = self.client.patch(base_url, {})
        self.assertEqual(HTTP_405_METHOD_NOT_ALLOWED, resp.status_code)
        resp = self.client.put(base_url, {})
        self.assertEqual(HTTP_405_METHOD_NOT_ALLOWED, resp.status_code)

        # restricted to logged in users
        self.logout()
        resp = self.client.get(base_url)
        self.assertEqual(HTTP_403_FORBIDDEN, resp.status_code)

        # but otherwise unrestricted
        self.login(self.user_norepo)
        resp = self.client.get(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        types = as_json(resp)

        self.assertEqual(sorted([lrt.name for lrt
                                 in LearningResourceType.objects.all()]),
                         sorted([t['name'] for t in types['results']]))
Ejemplo n.º 11
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    def test_learning_resource_types(self):
        """
        Get from learning_resource_types.
        """
        base_url = "{}learning_resource_types/".format(API_BASE)

        resp = self.client.get(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        types = as_json(resp)

        self.assertEqual(sorted([lrt.name for lrt
                                 in LearningResourceType.objects.all()]),
                         sorted([t['name'] for t in types['results']]))

        # nothing besides GET, OPTION, HEAD allowed
        resp = self.client.options(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        resp = self.client.head(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        resp = self.client.post(base_url, {})
        self.assertEqual(HTTP_405_METHOD_NOT_ALLOWED, resp.status_code)
        resp = self.client.patch(base_url, {})
        self.assertEqual(HTTP_405_METHOD_NOT_ALLOWED, resp.status_code)
        resp = self.client.put(base_url, {})
        self.assertEqual(HTTP_405_METHOD_NOT_ALLOWED, resp.status_code)

        # restricted to logged in users
        self.logout()
        resp = self.client.get(base_url)
        self.assertEqual(HTTP_403_FORBIDDEN, resp.status_code)

        # but otherwise unrestricted
        self.login(self.user_norepo)
        resp = self.client.get(base_url)
        self.assertEqual(HTTP_200_OK, resp.status_code)
        types = as_json(resp)

        self.assertEqual(sorted([lrt.name for lrt
                                 in LearningResourceType.objects.all()]),
                         sorted([t['name'] for t in types['results']]))
Ejemplo n.º 12
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 def get_filtered(ids, expected_status=HTTP_200_OK):
     """Return list of LearningResources in shopping cart."""
     url_base = "{repo_base}{repo_slug}/learning_resources/".format(
         repo_base=REPO_BASE,
         repo_slug=self.repo.slug,
     )
     resp = self.client.get("{url_base}?id={ids}".format(
         url_base=url_base,
         ids=",".join([str(s) for s in ids])
     ))
     self.assertEqual(expected_status, resp.status_code)
     if expected_status == HTTP_200_OK:
         return sorted([x['id'] for x in as_json(resp)['results']])
Ejemplo n.º 13
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    def test_vocabulary_filter_type(self):
        """Test filtering learning resource types for vocabularies"""
        self.create_vocabulary(self.repo.slug)

        learning_resource_type = LearningResourceType.objects.first()

        # in the future this should be handled within the API
        Vocabulary.objects.first().learning_resource_types.add(
            learning_resource_type
        )

        resp = self.client.get("{repo_base}{repo_slug}/vocabularies/".format(
            repo_base=REPO_BASE,
            repo_slug=self.repo.slug,
        ))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(1, as_json(resp)['count'])

        resp = self.client.get(
            "{repo_base}{repo_slug}"
            "/vocabularies/?type_name={name}".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
                name=learning_resource_type.name,
            ))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(1, as_json(resp)['count'])

        resp = self.client.get(
            "{repo_base}{repo_slug}"
            "/vocabularies/?type_name={name}".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
                name="missing",
            ))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(0, as_json(resp)['count'])
Ejemplo n.º 14
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    def test_vocabulary_filter_type(self):
        """Test filtering learning resource types for vocabularies"""
        self.create_vocabulary(self.repo.slug)

        learning_resource_type = LearningResourceType.objects.first()

        # in the future this should be handled within the API
        Vocabulary.objects.first().learning_resource_types.add(
            learning_resource_type
        )

        resp = self.client.get("{repo_base}{repo_slug}/vocabularies/".format(
            repo_base=REPO_BASE,
            repo_slug=self.repo.slug,
        ))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(1, as_json(resp)['count'])

        resp = self.client.get(
            "{repo_base}{repo_slug}"
            "/vocabularies/?type_name={name}".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
                name=learning_resource_type.name,
            ))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(1, as_json(resp)['count'])

        resp = self.client.get(
            "{repo_base}{repo_slug}"
            "/vocabularies/?type_name={name}".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
                name="missing",
            ))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(0, as_json(resp)['count'])
Ejemplo n.º 15
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    def test_blank(self):
        """
        Verify that a blank search will retrieve all results.
        """
        self.import_course_tarball(self.repo)
        no_q_url = "{repo_base}{repo_slug}/search/".format(
            repo_base=REPO_BASE,
            repo_slug=self.repo.slug,
        )

        count = self.get_results()['count']
        self.assertEqual(LearningResource.objects.count(), count)

        resp = self.client.get(no_q_url)
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(count, as_json(resp)['count'])
Ejemplo n.º 16
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    def test_blank(self):
        """
        Verify that a blank search will retrieve all results.
        """
        self.import_course_tarball(self.repo)
        no_q_url = "{repo_base}{repo_slug}/search/".format(
            repo_base=REPO_BASE,
            repo_slug=self.repo.slug,
        )

        count = self.get_results()['count']
        self.assertEqual(LearningResource.objects.count(), count)

        resp = self.client.get(no_q_url)
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(count, as_json(resp)['count'])
Ejemplo n.º 17
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    def assert_page_size(self, page_size, expected_num_results):
        """
        Helper function to assert len(results) == expected_num_results.
        """
        num_types = LearningResourceType.objects.filter().count()

        if page_size is None:
            page_size_param = ""
        else:
            page_size_param = "?{query_param}={page_size}".format(
                query_param=LorePagination.page_size_query_param,
                page_size=page_size)
        resp = self.client.get(
            "{api_base}learning_resource_types/{page_size_param}".format(
                api_base=API_BASE, page_size_param=page_size_param))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        resources = as_json(resp)
        self.assertEqual(len(resources['results']), expected_num_results)
        self.assertEqual(resources['count'], num_types)
Ejemplo n.º 18
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    def get_results(self, query="", selected_facets=None, sortby=""):
        """Helper method to get search results."""
        if selected_facets is None:
            selected_facets = []

        selected_facets_arg = ""
        for facet in selected_facets:
            selected_facets_arg += "&selected_facets={facet}".format(
                facet=urllib_parse.quote_plus(facet)
            )
        resp = self.client.get(
            "{repo_base}{repo_slug}/search/?q={query}{facets}"
            "&sortby={sortby}".format(
                repo_base=REPO_BASE,
                repo_slug=self.repo.slug,
                query=urllib_parse.quote_plus(query),
                facets=selected_facets_arg,
                sortby=sortby
            )
        )
        self.assertEqual(HTTP_200_OK, resp.status_code)
        return as_json(resp)
Ejemplo n.º 19
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    def assert_page_size(self, page_size, expected_num_results):
        """
        Helper function to assert len(results) == expected_num_results.
        """
        num_types = LearningResourceType.objects.filter().count()

        if page_size is None:
            page_size_param = ""
        else:
            page_size_param = "?{query_param}={page_size}".format(
                query_param=LorePagination.page_size_query_param,
                page_size=page_size
            )
        resp = self.client.get(
            "{api_base}learning_resource_types/{page_size_param}".format(
                api_base=API_BASE,
                page_size_param=page_size_param
            )
        )
        self.assertEqual(resp.status_code, HTTP_200_OK)
        resources = as_json(resp)
        self.assertEqual(len(resources['results']), expected_num_results)
        self.assertEqual(resources['count'], num_types)
Ejemplo n.º 20
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    def test_create_export_task(self):
        """Test a basic export."""
        self.import_course_tarball(self.repo)
        resources = LearningResource.objects.filter(
            course__repository__id=self.repo.id).all()
        for resource in resources:
            self.create_learning_resource_export(self.repo.slug, {
                "id": resource.id
            })

        # Skip first one to test that it's excluded from export.
        resource_ids = [r.id for r in resources[1:]]

        # Missing task_info.
        self.create_task(
            {
                "ids": resource_ids,
                "task_type": EXPORT_TASK_TYPE
            },
            expected_status=HTTP_400_BAD_REQUEST
        )

        # Missing repo slug.
        self.create_task(
            {
                "ids": resource_ids,
                "task_type": EXPORT_TASK_TYPE,
                "task_info": {}
            },
            expected_status=HTTP_400_BAD_REQUEST
        )

        # Missing ids.
        self.create_task(
            {
                "task_type": EXPORT_TASK_TYPE,
                "task_info": {
                    "repo_slug": self.repo.slug,
                },
            },
            expected_status=HTTP_400_BAD_REQUEST
        )

        # Missing task_type.
        self.create_task(
            {
                "ids": resource_ids,
                "task_info": {
                    "repo_slug": self.repo.slug,
                },
            },
            expected_status=HTTP_400_BAD_REQUEST
        )

        # Invalid task type.
        self.create_task(
            {
                "ids": resource_ids,
                "task_type": "missing",
                "task_info": {
                    "repo_slug": self.repo.slug,
                },
            },
            expected_status=HTTP_400_BAD_REQUEST
        )

        # Invalid repo.
        self.create_task(
            {
                "ids": resource_ids,
                "task_type": EXPORT_TASK_TYPE,
                "task_info": {
                    "repo_slug": "missing",
                },
            },
            expected_status=HTTP_404_NOT_FOUND
        )

        # User doesn't own repo.
        client2 = Client()
        client2.login(
            username=self.user_norepo.username,
            password=self.PASSWORD
        )
        resp = client2.post(
            "{base}tasks/".format(base=API_BASE),
            json.dumps({
                "ids": resource_ids,
                "task_type": EXPORT_TASK_TYPE,
                "task_info": {
                    "repo_slug": self.repo.slug
                }
            }),
            content_type='application/json'
        )
        self.assertEqual(resp.status_code, HTTP_403_FORBIDDEN)

        # Start export task. Due to CELERY_ALWAYS_EAGER setting this will
        # block until it completes in testing.
        task_id = self.create_task(
            {
                "task_info": {
                    "repo_slug": self.repo.slug,
                    # Skip first one to test that it's excluded from export.
                    "ids": [r.id for r in resources[1:]],
                },
                "task_type": EXPORT_TASK_TYPE
            }
        )['id']

        # Before we move on, confirm that other user can't see these tasks.
        resp = client2.get("{base}tasks/".format(base=API_BASE))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(as_json(resp)['count'], 0)

        result = self.get_tasks()['results'][0]
        self.assertEqual(task_id, result['id'])
        self.assertEqual("success", result['status'])
        self.assertEqual(result['task_type'], EXPORT_TASK_TYPE)
        self.assertTrue(result['result']['url'].startswith(
            "/media/resource_exports/test_exports.tar"))
        # webGLDemo.css shows up twice
        self.assertTrue(result['result']['collision'])

        with self.settings(
            DEFAULT_FILE_STORAGE='storages.backends.s3boto.S3BotoStorage'
        ):
            # change the default file storage to S3
            reload_module(ui.urls)
            # the view is not available any more
            resp = self.client.get(result['result']['url'])
            self.assertEqual(resp.status_code, HTTP_404_NOT_FOUND)

        # Update for change in file storage.
        reload_module(ui.urls)

        resp = self.client.get(result['result']['url'])
        self.assertEqual(HTTP_200_OK, resp.status_code)

        tempdir = mkdtemp()

        def make_path(resource):
            """Create a path that should exist for a resource."""
            type_name = resource.learning_resource_type.name
            return os.path.join(
                tempdir, type_name, "{id}_{url_name}.xml".format(
                    id=resource.id,
                    url_name=slugify(resource.url_name)[:200],
                )
            )
        try:
            fakefile = BytesIO(b"".join(resp.streaming_content))
            with tarfile.open(fileobj=fakefile, mode="r:gz") as tar:
                tar.extractall(path=tempdir)

            self.assertFalse(os.path.isfile(make_path(resources[0])))
            assert_resource_directory(self, resources[1:], tempdir)

        finally:
            rmtree(tempdir)
Ejemplo n.º 21
0
    def test_create_export_task(self):
        """Test a basic export."""
        self.import_course_tarball(self.repo)
        resources = LearningResource.objects.filter(
            course__repository__id=self.repo.id).all()
        for resource in resources:
            self.create_learning_resource_export(self.repo.slug,
                                                 {"id": resource.id})

        # Skip first one to test that it's excluded from export.
        resource_ids = [r.id for r in resources[1:]]

        # Missing task_info.
        self.create_task({
            "ids": resource_ids,
            "task_type": EXPORT_TASK_TYPE
        },
                         expected_status=HTTP_400_BAD_REQUEST)

        # Missing repo slug.
        self.create_task(
            {
                "ids": resource_ids,
                "task_type": EXPORT_TASK_TYPE,
                "task_info": {}
            },
            expected_status=HTTP_400_BAD_REQUEST)

        # Missing ids.
        self.create_task(
            {
                "task_type": EXPORT_TASK_TYPE,
                "task_info": {
                    "repo_slug": self.repo.slug,
                },
            },
            expected_status=HTTP_400_BAD_REQUEST)

        # Missing task_type.
        self.create_task(
            {
                "ids": resource_ids,
                "task_info": {
                    "repo_slug": self.repo.slug,
                },
            },
            expected_status=HTTP_400_BAD_REQUEST)

        # Invalid task type.
        self.create_task(
            {
                "ids": resource_ids,
                "task_type": "missing",
                "task_info": {
                    "repo_slug": self.repo.slug,
                },
            },
            expected_status=HTTP_400_BAD_REQUEST)

        # Invalid repo.
        self.create_task(
            {
                "ids": resource_ids,
                "task_type": EXPORT_TASK_TYPE,
                "task_info": {
                    "repo_slug": "missing",
                },
            },
            expected_status=HTTP_404_NOT_FOUND)

        # User doesn't own repo.
        client2 = Client()
        client2.login(username=self.user_norepo.username,
                      password=self.PASSWORD)
        resp = client2.post("{base}tasks/".format(base=API_BASE),
                            json.dumps({
                                "ids": resource_ids,
                                "task_type": EXPORT_TASK_TYPE,
                                "task_info": {
                                    "repo_slug": self.repo.slug
                                }
                            }),
                            content_type='application/json')
        self.assertEqual(resp.status_code, HTTP_403_FORBIDDEN)

        # Start export task. Due to CELERY_ALWAYS_EAGER setting this will
        # block until it completes in testing.
        task_id = self.create_task({
            "task_info": {
                "repo_slug": self.repo.slug,
                # Skip first one to test that it's excluded from export.
                "ids": [r.id for r in resources[1:]],
            },
            "task_type": EXPORT_TASK_TYPE
        })['id']

        # Before we move on, confirm that other user can't see these tasks.
        resp = client2.get("{base}tasks/".format(base=API_BASE))
        self.assertEqual(resp.status_code, HTTP_200_OK)
        self.assertEqual(as_json(resp)['count'], 0)

        result = self.get_tasks()['results'][0]
        self.assertEqual(task_id, result['id'])
        self.assertEqual("success", result['status'])
        self.assertEqual(result['task_type'], EXPORT_TASK_TYPE)
        self.assertTrue(result['result']['url'].startswith(
            "/media/resource_exports/test_exports.tar"))
        # webGLDemo.css shows up twice
        self.assertTrue(result['result']['collision'])

        with self.settings(
                DEFAULT_FILE_STORAGE='storages.backends.s3boto.S3BotoStorage'):
            # change the default file storage to S3
            reload_module(ui.urls)
            # the view is not available any more
            resp = self.client.get(result['result']['url'])
            self.assertEqual(resp.status_code, HTTP_404_NOT_FOUND)

        # Update for change in file storage.
        reload_module(ui.urls)

        resp = self.client.get(result['result']['url'])
        self.assertEqual(HTTP_200_OK, resp.status_code)

        tempdir = mkdtemp()

        def make_path(resource):
            """Create a path that should exist for a resource."""
            type_name = resource.learning_resource_type.name
            return os.path.join(
                tempdir, type_name, "{id}_{url_name}.xml".format(
                    id=resource.id,
                    url_name=slugify(resource.url_name)[:200],
                ))

        try:
            fakefile = BytesIO(b"".join(resp.streaming_content))
            with tarfile.open(fileobj=fakefile, mode="r:gz") as tar:
                tar.extractall(path=tempdir)

            self.assertFalse(os.path.isfile(make_path(resources[0])))
            assert_resource_directory(self, resources[1:], tempdir)

        finally:
            rmtree(tempdir)