Fix pagination in some endpoints (#5557)

- Added missing pagination or page parameters in `/projects/{id}/tasks`,
`/tasks/{id}/jobs`, `/jobs/{id}/issues`, `/jobs/{id}/commits`,
`/issues/{id}/comments`, `/organizations`
- Updated SDK, tests and UI

CHANGELOG.md

@@ -30,6 +30,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - \[SDK\] The `resource_type` args now have the default value of `local` in task creation functions.
   The corresponding arguments are keyword-only now.
   (<https://github.com/opencv/cvat/pull/5502>)
+- \[Server API\] Added missing pagination or pagination parameters in
+  `/project/{id}/tasks`, `/tasks/{id}/jobs`, `/jobs/{id}/issues`,
+  `/jobs/{id}/commits`, `/issues/{id}/comments`, `/organizations`
+  (<https://github.com/opencv/cvat/pull/5557>)
 - Windows Installation Instructions adjusted to work around <https://github.com/nuclio/nuclio/issues/1821>
 - The contour detection function for semantic segmentation (<https://github.com/opencv/cvat/pull/4665>)
 

cvat-core/src/server-proxy.ts

@@ -5,7 +5,7 @@
 
 import FormData from 'form-data';
 import store from 'store';
-import Axios from 'axios';
+import Axios, { AxiosResponse } from 'axios';
 import * as tus from 'tus-js-client';
 import { Storage } from './storage';
 import { StorageLocation, WebhookSourceType } from './enums';
@@ -1258,19 +1258,69 @@ async function getJobs(filter = {}) {
     return response.data;
 }
 
+function fetchAll(url): Promise<any[]> {
+    const pageSize = 500;
+    let collection = [];
+    return new Promise((resolve, reject) => {
+        Axios.get(url, {
+            params: {
+                page_size: pageSize,
+                page: 1,
+            },
+            proxy: config.proxy,
+        }).then((initialData) => {
+            const { count, results } = initialData.data;
+            collection = collection.concat(results);
+            if (count <= pageSize) {
+                resolve(collection);
+                return;
+            }
+
+            const pages = Math.ceil(count / pageSize);
+            const promises = Array(pages).fill(0).map((_: number, i: number) => {
+                if (i) {
+                    return Axios.get(url, {
+                        params: {
+                            page_size: pageSize,
+                            page: i + 1,
+                        },
+                        proxy: config.proxy,
+                    });
+                }
+
+                return Promise.resolve(null);
+            });
+
+            Promise.all(promises).then((responses: AxiosResponse<any, any>[]) => {
+                responses.forEach((resp) => {
+                    if (resp) {
+                        collection = collection.concat(resp.data.results);
+                    }
+                });
+
+                // removing possible dublicates
+                const obj = collection.reduce((acc: Record<string, any>, item: any) => {
+                    acc[item.id] = item;
+                    return acc;
+                }, {});
+
+                resolve(Object.values(obj));
+            }).catch((error) => reject(error));
+        }).catch((error) => reject(error));
+    });
+}
+
 async function getJobIssues(jobID) {
     const { backendAPI } = config;
 
     let response = null;
     try {
-        response = await Axios.get(`${backendAPI}/jobs/${jobID}/issues`, {
+        response = await fetchAll(`${backendAPI}/jobs/${jobID}/issues`);
-            proxy: config.proxy,
-        });
     } catch (errorData) {
         throw generateError(errorData);
     }
 
-    return response.data;
+    return response;
 }
 
 async function createComment(data) {
@@ -1989,14 +2039,12 @@ async function getOrganizations() {
 
     let response = null;
     try {
-        response = await Axios.get(`${backendAPI}/organizations`, {
+        response = await fetchAll(`${backendAPI}/organizations?page_size`);
-            proxy: config.proxy,
-        });
     } catch (errorData) {
         throw generateError(errorData);
     }
 
-    return response.data;
+    return response;
 }
 
 async function createOrganization(data) {

cvat-sdk/cvat_sdk/core/proxies/issues.py

@@ -1,10 +1,13 @@
-# Copyright (C) 2022 CVAT.ai Corporation
+# Copyright (C) 2022-2023 CVAT.ai Corporation
 #
 # SPDX-License-Identifier: MIT
 
 from __future__ import annotations
 
+from typing import List
+
 from cvat_sdk.api_client import apis, models
+from cvat_sdk.core.helpers import get_paginated_collection
 from cvat_sdk.core.proxies.model_proxy import (
     ModelCreateMixin,
     ModelDeleteMixin,
@@ -50,6 +53,12 @@ class Issue(
 ):
     _model_partial_update_arg = "patched_issue_write_request"
 
+    def get_comments(self) -> List[Comment]:
+        return [
+            Comment(self._client, m)
+            for m in get_paginated_collection(self.api.list_comments_endpoint, id=self.id)
+        ]
+
 
 class IssuesRepo(
     _IssueRepoBase,

cvat-sdk/cvat_sdk/core/proxies/jobs.py

@@ -1,4 +1,4 @@
-# Copyright (C) 2022 CVAT.ai Corporation
+# Copyright (C) 2022-2023 CVAT.ai Corporation
 #
 # SPDX-License-Identifier: MIT
 
@@ -161,7 +161,10 @@ class Job(
         )
 
     def get_issues(self) -> List[Issue]:
-        return [Issue(self._client, m) for m in self.api.list_issues(id=self.id)[0]]
+        return [
+            Issue(self._client, m)
+            for m in get_paginated_collection(self.api.list_issues_endpoint, id=self.id)
+        ]
 
     def get_commits(self) -> List[models.IJobCommit]:
         return get_paginated_collection(self.api.list_commits_endpoint, id=self.id)

cvat-sdk/cvat_sdk/core/proxies/projects.py

@@ -1,4 +1,4 @@
-# Copyright (C) 2022 CVAT.ai Corporation
+# Copyright (C) 2022-2023 CVAT.ai Corporation
 #
 # SPDX-License-Identifier: MIT
 
@@ -11,6 +11,7 @@ from typing import TYPE_CHECKING, List, Optional
 
 from cvat_sdk.api_client import apis, models
 from cvat_sdk.core.downloading import Downloader
+from cvat_sdk.core.helpers import get_paginated_collection
 from cvat_sdk.core.progress import ProgressReporter
 from cvat_sdk.core.proxies.model_proxy import (
     ModelCreateMixin,
@@ -124,7 +125,10 @@ class Project(
         return annotations
 
     def get_tasks(self) -> List[Task]:
-        return [Task(self._client, m) for m in self.api.list_tasks(id=self.id)[0].results]
+        return [
+            Task(self._client, m)
+            for m in get_paginated_collection(self.api.list_tasks_endpoint, id=self.id)
+        ]
 
     def get_preview(
         self,

cvat-sdk/cvat_sdk/core/proxies/tasks.py

@@ -1,4 +1,4 @@
-# Copyright (C) 2022 CVAT.ai Corporation
+# Copyright (C) 2022-2023 CVAT.ai Corporation
 #
 # SPDX-License-Identifier: MIT
 
@@ -18,6 +18,7 @@ from PIL import Image
 from cvat_sdk.api_client import apis, exceptions, models
 from cvat_sdk.core import git
 from cvat_sdk.core.downloading import Downloader
+from cvat_sdk.core.helpers import get_paginated_collection
 from cvat_sdk.core.progress import ProgressReporter
 from cvat_sdk.core.proxies.annotations import AnnotationCrudMixin
 from cvat_sdk.core.proxies.jobs import Job
@@ -302,7 +303,10 @@ class Task(
         self._client.logger.info(f"Backup for task {self.id} has been downloaded to {filename}")
 
     def get_jobs(self) -> List[Job]:
-        return [Job(self._client, m) for m in self.api.list_jobs(id=self.id)[0]]
+        return [
+            Job(self._client, model=m)
+            for m in get_paginated_collection(self.api.list_jobs_endpoint, id=self.id)
+        ]
 
     def get_meta(self) -> models.IDataMetaRead:
         (meta, _) = self.api.retrieve_data_meta(self.id)

cvat/apps/dataset_manager/tests/test_rest_api_formats.py

@@ -26,6 +26,7 @@ import cvat.apps.dataset_manager as dm
 from cvat.apps.dataset_manager.bindings import CvatTaskOrJobDataExtractor, TaskData
 from cvat.apps.dataset_manager.task import TaskAnnotation
 from cvat.apps.engine.models import Task
+from cvat.apps.engine.tests.utils import get_paginated_collection
 
 projects_path = osp.join(osp.dirname(__file__), 'assets', 'projects.json')
 with open(projects_path) as file:
@@ -174,8 +175,10 @@ class _DbTestBase(APITestCase):
 
     def _get_jobs(self, task_id):
         with ForceLogin(self.admin, self.client):
-            response = self.client.get("/api/tasks/{}/jobs".format(task_id))
+            values = get_paginated_collection(lambda page:
-        return response.data
+                self.client.get("/api/tasks/{}/jobs?page={}".format(task_id, page))
+            )
+        return values
 
     def _get_request(self, path, user):
         with ForceLogin(user, self.client):

cvat/apps/dataset_repo/tests.py

@@ -19,6 +19,7 @@ from django.contrib.auth.models import Group, User
 from cvat.apps.engine.models import Task
 from cvat.apps.dataset_repo.dataset_repo import (Git, initial_create, push, get)
 from cvat.apps.dataset_repo.models import GitData, GitStatusChoice
+from cvat.apps.engine.tests.utils import get_paginated_collection
 
 orig_execute = git.cmd.Git.execute
 GIT_URL = "https://1.2.3.4/repo/exist.git"
@@ -198,8 +199,10 @@ class GitDatasetRepoTest(APITestCase):
 
     def _get_jobs(self, task_id):
         with ForceLogin(self.admin, self.client):
-            response = self.client.get("/api/tasks/{}/jobs".format(task_id))
+            values = get_paginated_collection(lambda page:
-        return response.data
+                self.client.get("/api/tasks/{}/jobs?page={}".format(task_id, page))
+            )
+        return values
 
     def _create_task(self, init_repos=False):
         data = {

cvat/apps/engine/serializers.py

@@ -185,14 +185,14 @@ class JobReadSerializer(serializers.ModelSerializer):
     project_id = serializers.ReadOnlyField(source="get_project_id", allow_null=True)
     start_frame = serializers.ReadOnlyField(source="segment.start_frame")
     stop_frame = serializers.ReadOnlyField(source="segment.stop_frame")
-    assignee = BasicUserSerializer(allow_null=True)
+    assignee = BasicUserSerializer(allow_null=True, read_only=True)
-    dimension = serializers.CharField(max_length=2, source='segment.task.dimension')
+    dimension = serializers.CharField(max_length=2, source='segment.task.dimension', read_only=True)
-    labels = LabelSerializer(many=True, source='get_labels')
+    labels = LabelSerializer(many=True, source='get_labels', read_only=True)
     data_chunk_size = serializers.ReadOnlyField(source='segment.task.data.chunk_size')
     data_compressed_chunk_type = serializers.ReadOnlyField(source='segment.task.data.compressed_chunk_type')
     mode = serializers.ReadOnlyField(source='segment.task.mode')
     bug_tracker = serializers.CharField(max_length=2000, source='get_bug_tracker',
-        allow_null=True)
+        allow_null=True, read_only=True)
 
     class Meta:
         model = models.Job

cvat/apps/engine/tests/test_rest_api.py

@@ -35,6 +35,7 @@ from cvat.apps.engine.models import (AttributeSpec, AttributeType, Data, Job,
     Project, Segment, StageChoice, StatusChoice, Task, Label, StorageMethodChoice,
     StorageChoice, DimensionType, SortingMethod)
 from cvat.apps.engine.media_extractors import ValidateDimension, sort
+from cvat.apps.engine.tests.utils import get_paginated_collection
 from utils.dataset_manifest import ImageManifestManager, VideoManifestManager
 
 #supress av warnings
@@ -4225,8 +4226,9 @@ class JobAnnotationAPITestCase(APITestCase):
             response = self.client.get("/api/tasks/{}".format(tid))
             task = response.data
 
-            response = self.client.get("/api/tasks/{}/jobs".format(tid))
+            jobs = get_paginated_collection(lambda page:
-            jobs = response.data
+                self.client.get("/api/tasks/{}/jobs?page={}".format(tid, page))
+            )
 
         return (task, jobs)
 

cvat/apps/engine/tests/test_rest_api_3D.py

@@ -24,6 +24,8 @@ from cvat.apps.engine.media_extractors import ValidateDimension
 from cvat.apps.dataset_manager.task import TaskAnnotation
 from datumaro.util.test_utils import TestDir
 
+from cvat.apps.engine.tests.utils import get_paginated_collection
+
 CREATE_ACTION = "create"
 UPDATE_ACTION = "update"
 DELETE_ACTION = "delete"
@@ -140,8 +142,10 @@ class _DbTestBase(APITestCase):
 
     def _get_jobs(self, task_id):
         with ForceLogin(self.admin, self.client):
-            response = self.client.get("/api/tasks/{}/jobs".format(task_id))
+            values = get_paginated_collection(lambda page:
-        return response.data
+                self.client.get("/api/tasks/{}/jobs?page={}".format(task_id, page))
+            )
+        return values
 
     def _get_request(self, path, user):
         with ForceLogin(user, self.client):

cvat/apps/engine/tests/utils.py

@@ -0,0 +1,25 @@
+# Copyright (C) 2023 CVAT.ai Corporation
+#
+# SPDX-License-Identifier: MIT
+
+
+import itertools
+from typing import Callable, Iterator, TypeVar
+
+from django.http.response import HttpResponse
+
+T = TypeVar('T')
+
+def get_paginated_collection(
+    request_chunk_callback: Callable[[int], HttpResponse]
+) -> Iterator[T]:
+    values = []
+
+    for page in itertools.count(start=1):
+        response = request_chunk_callback(page)
+        data = response.json()
+        values.extend(data["results"])
+        if not data.get('next'):
+            break
+
+    return values

cvat/apps/engine/view_utils.py

@@ -0,0 +1,47 @@
+# Copyright (C) 2023 CVAT.ai Corporation
+#
+# SPDX-License-Identifier: MIT
+
+# NOTE: importing in the header leads to circular importing
+from typing import Optional, Type
+from django.db.models.query import QuerySet
+from django.http.request import HttpRequest
+from django.http.response import HttpResponse
+from rest_framework.serializers import Serializer
+from rest_framework.viewsets import GenericViewSet
+
+def make_paginated_response(
+    queryset: QuerySet,
+    *,
+    viewset: GenericViewSet,
+    response_type: Optional[Type[HttpResponse]] = None,
+    serializer_type: Optional[Type[Serializer]] = None,
+    request: Optional[Type[HttpRequest]] = None,
+    **serializer_params
+):
+    # Adapted from the mixins.ListModelMixin.list()
+
+    serializer_params.setdefault('many', True)
+
+    if response_type is None:
+        from rest_framework.response import Response
+        response_type = Response
+
+    if request is None:
+        request = getattr(viewset, 'request', None)
+
+    if request is not None:
+        context = serializer_params.setdefault('context', {})
+        context.setdefault('request', request)
+
+    if serializer_type is None:
+        serializer_type = viewset.get_serializer
+
+    page = viewset.paginate_queryset(queryset)
+    if page is not None:
+        serializer = serializer_type(page, **serializer_params)
+        return viewset.get_paginated_response(serializer.data)
+
+    serializer = serializer_type(queryset, **serializer_params)
+
+    return response_type(serializer.data)

cvat/apps/engine/views.py

@@ -46,7 +46,7 @@ from cvat.apps.dataset_manager.serializers import DatasetFormatsSerializer
 from cvat.apps.engine.frame_provider import FrameProvider
 from cvat.apps.engine.media_extractors import get_mime
 from cvat.apps.engine.models import (
-    Job, Task, Project, Issue, Data,
+    Job, JobCommit, Task, Project, Issue, Data,
     Comment, StorageMethodChoice, StorageChoice,
     CloudProviderChoice, Location
 )
@@ -62,6 +62,7 @@ from cvat.apps.engine.serializers import (
     ProjectFileSerializer, TaskFileSerializer)
 
 from utils.dataset_manifest import ImageManifestManager
+from cvat.apps.engine.view_utils import make_paginated_response
 from cvat.apps.engine.utils import (
     av_scan_paths, process_failed_job, configure_dependent_job, parse_exception_message
 )
@@ -309,23 +310,17 @@ class ProjectViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
 
     @extend_schema(
         summary='Method returns information of the tasks of the project with the selected id',
-        responses={
+        responses=TaskReadSerializer(many=True)) # Duplicate to still get 'list' op. nam
-            '200': TaskReadSerializer(many=True),
+    @action(detail=True, methods=['GET'], serializer_class=TaskReadSerializer,
-        })
+        pagination_class=viewsets.GenericViewSet.pagination_class,
-    @action(detail=True, methods=['GET'], serializer_class=TaskReadSerializer)
+        # Remove regular list() parameters from the swagger schema.
+        # Unset, they would be taken from the enclosing class, which is wrong.
+        # https://drf-spectacular.readthedocs.io/en/latest/faq.html#my-action-is-erroneously-paginated-or-has-filter-parameters-that-i-do-not-want
+        filter_fields=None, search_fields=None, ordering_fields=None)
     def tasks(self, request, pk):
         self.get_object() # force to call check_object_permissions
-        queryset = Task.objects.filter(project_id=pk).order_by('-id')
+        return make_paginated_response(Task.objects.filter(project_id=pk).order_by('-id'),
-
+            viewset=self, serializer_type=self.serializer_class) # from @action
-        page = self.paginate_queryset(queryset)
-        if page is not None:
-            serializer = self.get_serializer(page, many=True,
-                context={"request": request})
-            return self.get_paginated_response(serializer.data)
-
-        serializer = self.get_serializer(queryset, many=True,
-            context={"request": request})
-        return Response(serializer.data)
 
 
     @extend_schema(methods=['GET'], summary='Export project as a dataset in a specific format',
@@ -866,17 +861,16 @@ class TaskViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
 
     @extend_schema(summary='Method returns a list of jobs for a specific task',
         responses=JobReadSerializer(many=True)) # Duplicate to still get 'list' op. name
-    @action(detail=True, methods=['GET'], serializer_class=JobReadSerializer(many=True),
+    @action(detail=True, methods=['GET'], serializer_class=JobReadSerializer,
-        # Remove regular list() parameters from swagger schema
+        pagination_class=viewsets.GenericViewSet.pagination_class,
+        # Remove regular list() parameters from the swagger schema.
+        # Unset, they would be taken from the enclosing class, which is wrong.
         # https://drf-spectacular.readthedocs.io/en/latest/faq.html#my-action-is-erroneously-paginated-or-has-filter-parameters-that-i-do-not-want
-        pagination_class=None, filter_fields=None, search_fields=None, ordering_fields=None)
+        filter_fields=None, search_fields=None, ordering_fields=None)
     def jobs(self, request, pk):
         self.get_object() # force to call check_object_permissions
-        queryset = Job.objects.filter(segment__task_id=pk)
+        return make_paginated_response(Job.objects.filter(segment__task_id=pk).order_by('id'),
-        serializer = JobReadSerializer(queryset, many=True,
+            viewset=self, serializer_type=self.serializer_class) # from @action
-            context={"request": request})
-
-        return Response(serializer.data)
 
     # UploadMixin method
     def get_upload_dir(self):
@@ -1635,18 +1629,16 @@ class JobViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
 
     @extend_schema(summary='Method returns list of issues for the job',
         responses=IssueReadSerializer(many=True)) # Duplicate to still get 'list' op. name
-    @action(detail=True, methods=['GET'], serializer_class=IssueReadSerializer(many=True),
+    @action(detail=True, methods=['GET'], serializer_class=IssueReadSerializer,
-        # Remove regular list() parameters from swagger schema
+        pagination_class=viewsets.GenericViewSet.pagination_class,
+        # Remove regular list() parameters from the swagger schema.
+        # Unset, they would be taken from the enclosing class, which is wrong.
         # https://drf-spectacular.readthedocs.io/en/latest/faq.html#my-action-is-erroneously-paginated-or-has-filter-parameters-that-i-do-not-want
-        pagination_class=None, filter_fields=None, search_fields=None, ordering_fields=None)
+        filter_fields=None, search_fields=None, ordering_fields=None)
     def issues(self, request, pk):
-        db_job = self.get_object()
+        self.get_object() # force to call check_object_permissions
-        queryset = db_job.issues
+        return make_paginated_response(Issue.objects.filter(job_id=pk).order_by('id'),
-        serializer = IssueReadSerializer(queryset,
+            viewset=self, serializer_type=self.serializer_class) # from @action
-            context={'request': request}, many=True)
-
-        return Response(serializer.data)
-
 
     @extend_schema(summary='Method returns data for a specific job',
         parameters=[
@@ -1688,7 +1680,7 @@ class JobViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
     @action(detail=True, methods=['GET', 'PATCH'], serializer_class=DataMetaReadSerializer,
         url_path='data/meta')
     def metadata(self, request, pk):
-        self.get_object() #force to call check_object_permissions
+        self.get_object() # force to call check_object_permissions
         db_job = models.Job.objects.prefetch_related(
             'segment',
             'segment__task',
@@ -1748,21 +1740,17 @@ class JobViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
         return Response(serializer.data)
 
     @extend_schema(summary='The action returns the list of tracked changes for the job',
-        responses={
+        responses=JobCommitSerializer(many=True)) # Duplicate to still get 'list' op. name
-            '200': JobCommitSerializer(many=True),
+    @action(detail=True, methods=['GET'], serializer_class=JobCommitSerializer,
-        })
+        pagination_class=viewsets.GenericViewSet.pagination_class,
-    @action(detail=True, methods=['GET'], serializer_class=None)
+        # Remove regular list() parameters from the swagger schema.
+        # Unset, they would be taken from the enclosing class, which is wrong.
+        # https://drf-spectacular.readthedocs.io/en/latest/faq.html#my-action-is-erroneously-paginated-or-has-filter-parameters-that-i-do-not-want
+        filter_fields=None, search_fields=None, ordering_fields=None)
     def commits(self, request, pk):
-        db_job = self.get_object()
+        self.get_object() # force to call check_object_permissions
-        queryset = db_job.commits.order_by('-id')
+        return make_paginated_response(JobCommit.objects.filter(job_id=pk).order_by('-id'),
-
+            viewset=self, serializer_type=self.serializer_class) # from @action
-        page = self.paginate_queryset(queryset)
-        if page is not None:
-            serializer = JobCommitSerializer(page, context={'request': request}, many=True)
-            return self.get_paginated_response(serializer.data)
-
-        serializer = JobCommitSerializer(queryset, context={'request': request}, many=True)
-        return Response(serializer.data)
 
     @extend_schema(summary='Method returns a preview image for the job',
         responses={
@@ -1848,19 +1836,16 @@ class IssueViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
 
     @extend_schema(summary='The action returns all comments of a specific issue',
         responses=CommentReadSerializer(many=True)) # Duplicate to still get 'list' op. name
-    @action(detail=True, methods=['GET'], serializer_class=CommentReadSerializer(many=True),
+    @action(detail=True, methods=['GET'], serializer_class=CommentReadSerializer,
-        # Remove regular list() parameters from swagger schema
+        pagination_class=viewsets.GenericViewSet.pagination_class,
+        # Remove regular list() parameters from the swagger schema.
+        # Unset, they would be taken from the enclosing class, which is wrong.
         # https://drf-spectacular.readthedocs.io/en/latest/faq.html#my-action-is-erroneously-paginated-or-has-filter-parameters-that-i-do-not-want
-        pagination_class=None, filter_fields=None, search_fields=None, ordering_fields=None)
+        filter_fields=None, search_fields=None, ordering_fields=None)
     def comments(self, request, pk):
-        # TODO: remove this endpoint? It is totally covered by issue body.
+        self.get_object() # force to call check_object_permissions
-
+        return make_paginated_response(Comment.objects.filter(issue_id=pk).order_by('-id'),
-        db_issue = self.get_object()
+            viewset=self, serializer_type=self.serializer_class) # from @action
-        queryset = db_issue.comments
-        serializer = CommentReadSerializer(queryset,
-            context={'request': request}, many=True)
-
-        return Response(serializer.data)
 
 @extend_schema(tags=['comments'])
 @extend_schema_view(

cvat/apps/lambda_manager/tests/test_lambda.py

@@ -17,6 +17,8 @@ from PIL import Image
 from rest_framework import status
 from rest_framework.test import APIClient, APITestCase
 
+from cvat.apps.engine.tests.utils import get_paginated_collection
+
 LAMBDA_ROOT_PATH = '/api/lambda'
 LAMBDA_FUNCTIONS_PATH = f'{LAMBDA_ROOT_PATH}/functions'
 LAMBDA_REQUESTS_PATH = f'{LAMBDA_ROOT_PATH}/requests'
@@ -1044,10 +1046,13 @@ class Issue4996_Cases(_LambdaTestCaseBase):
         )
         self.task = task
 
-        jobs = self._get_request(f"/api/tasks/{self.task['id']}/jobs", self.admin,
+        jobs = get_paginated_collection(lambda page:
-            org_id=self.org['id'])
+            self._get_request(
-        assert jobs.status_code == status.HTTP_200_OK
+                f"/api/tasks/{self.task['id']}/jobs?page={page}",
-        self.job = jobs.json()[1]
+                self.admin, org_id=self.org['id']
+            )
+        )
+        self.job = jobs[1]
 
         self.common_data = {
             "task": self.task['id'],

cvat/apps/organizations/views.py

@@ -61,7 +61,6 @@ class OrganizationViewSet(viewsets.GenericViewSet,
     ordering_fields = filter_fields
     ordering = '-id'
     http_method_names = ['get', 'post', 'patch', 'delete', 'head', 'options']
-    pagination_class = None
     iam_organization_field = None
 
     def get_queryset(self):

tests/cypress/integration/remove_users_tasks_projects_organizations.js

@@ -70,7 +70,7 @@ describe('Delete users, tasks, projects, organizations created during the tests
                 Authorization: `Token ${authKey}`,
             },
         }).then((response) => {
-            const responseResult = response.body;
+            const responseResult = response.body.results;
             for (const org of responseResult) {
                 const { id } = org;
                 cy.request({

tests/cypress/support/commands_organizations.js

@@ -36,7 +36,7 @@ Cypress.Commands.add('deleteOrganizations', (authResponse, otrganizationsToDelet
             Authorization: `Token ${authKey}`,
         },
     }).then((_response) => {
-        const responceResult = _response.body;
+        const responceResult = _response.body.results;
         for (const organization of responceResult) {
             const { id, slug } = organization;
             for (const organizationToDelete of otrganizationsToDelete) {

tests/python/shared/assets/organizations.json

@@ -1,38 +1,43 @@
-[
+{
-  {
+  "count": 2,
-    "contact": {
+  "next": null,
-      "email": "org2@cvat.org"
+  "previous": null,
-    },
+  "results": [
-    "created_date": "2021-12-14T19:51:38.667000Z",
+    {
-    "description": "",
+      "contact": {
-    "id": 2,
+        "email": "org2@cvat.org"
-    "name": "Organization #2",
+      },
-    "owner": {
+      "created_date": "2021-12-14T19:51:38.667000Z",
-      "first_name": "Business",
+      "description": "",
-      "id": 10,
-      "last_name": "First",
-      "url": "http://localhost:8080/api/users/10",
-      "username": "business1"
-    },
-    "slug": "org2",
-    "updated_date": "2021-12-14T19:51:38.667000Z"
-  },
-  {
-    "contact": {
-      "email": "org1@cvat.org"
-    },
-    "created_date": "2021-12-14T18:45:40.172000Z",
-    "description": "",
-    "id": 1,
-    "name": "organization #1",
-    "owner": {
-      "first_name": "User",
       "id": 2,
-      "last_name": "First",
+      "name": "Organization #2",
-      "url": "http://localhost:8080/api/users/2",
+      "owner": {
-      "username": "user1"
+        "first_name": "Business",
+        "id": 10,
+        "last_name": "First",
+        "url": "http://localhost:8080/api/users/10",
+        "username": "business1"
+      },
+      "slug": "org2",
+      "updated_date": "2021-12-14T19:51:38.667000Z"
     },
-    "slug": "org1",
+    {
-    "updated_date": "2021-12-14T18:45:40.172000Z"
+      "contact": {
-  }
+        "email": "org1@cvat.org"
-]
+      },
+      "created_date": "2021-12-14T18:45:40.172000Z",
+      "description": "",
+      "id": 1,
+      "name": "organization #1",
+      "owner": {
+        "first_name": "User",
+        "id": 2,
+        "last_name": "First",
+        "url": "http://localhost:8080/api/users/2",
+        "username": "user1"
+      },
+      "slug": "org1",
+      "updated_date": "2021-12-14T18:45:40.172000Z"
+    }
+  ]
+}

tests/python/shared/fixtures/data.py

@@ -43,7 +43,7 @@ def users():
 @pytest.fixture(scope="session")
 def organizations():
     with open(ASSETS_DIR / "organizations.json") as f:
-        return Container(json.load(f))
+        return Container(json.load(f)["results"])
 
 
 @pytest.fixture(scope="session")