Merge branch '212329-related-issues-to-core_frontend-and-qa' into 'master'

Related Issues - move to FOSS [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!39779

app/assets/javascripts/pages/projects/issues/show/index.js

 import initSidebarBundle from '~/sidebar/sidebar_bundle';
+import initRelatedIssues from '~/related_issues';
 import initShow from '../show';
 
 document.addEventListener('DOMContentLoaded', () => {
@@ -6,4 +7,5 @@ document.addEventListener('DOMContentLoaded', () => {
   if (gon.features && !gon.features.vueIssuableSidebar) {
     initSidebarBundle();
   }
+  initRelatedIssues();
 });

ee/app/assets/javascripts/related_issues/components/related_issues_list.vue → app/assets/javascripts/related_issues/components/related_issues_list.vue

 <script>
 import { GlLoadingIcon } from '@gitlab/ui';
 import Sortable from 'sortablejs';
-import sortableConfig from 'ee/sortable/sortable_config';
+import sortableConfig from 'ee_else_ce/sortable/sortable_config';
 import RelatedIssuableItem from '~/vue_shared/components/issue/related_issuable_item.vue';
 import tooltip from '~/vue_shared/directives/tooltip';
 

ee/app/assets/javascripts/related_issues/index.js → app/assets/javascripts/related_issues/index.js

@@ -17,6 +17,9 @@ export default function initRelatedIssues() {
             endpoint: relatedIssuesRootElement.dataset.endpoint,
             canAdmin: parseBoolean(relatedIssuesRootElement.dataset.canAddRelatedIssues),
             helpPath: relatedIssuesRootElement.dataset.helpPath,
+            showCategorizedIssues: parseBoolean(
+              relatedIssuesRootElement.dataset.showCategorizedIssues,
+            ),
           },
         }),
     });

app/views/projects/issues/_related_issues.html.haml

+- if can?(current_user, :read_issue_link, @project)
+  .js-related-issues-root{ data: { endpoint: project_issue_links_path(@project, @issue),
+    can_add_related_issues: "#{can?(current_user, :admin_issue_link, @issue)}",
+    help_path: help_page_path('user/project/issues/related_issues'),
+    show_categorized_issues: "false" } }
+    - render('projects/issues/related_issues_block')

app/views/projects/issues/_related_issues_block.html.haml

+.related-issues-block
+  .card.card-slim
+    .card-header.panel-empty-heading.border-bottom-0
+      %h3.card-title.mt-0.mb-0.h5
+        = _('Linked issues')

changelogs/unreleased/212329-related-issues-to-core_frontend-and-qa.yml

+---
+title: Move related issues to core
+merge_request: 39779
+author:
+type: changed

ee/app/assets/javascripts/epic/components/epic_body.vue

 <script>
 import { mapState, mapGetters } from 'vuex';
 
-import { PathIdSeparator } from 'ee/related_issues/constants';
+import { PathIdSeparator } from '~/related_issues/constants';
 
 import IssuableBody from '~/issue_show/components/app.vue';
 import IssuableSidebar from '~/issuable_sidebar/components/sidebar_app.vue';

ee/app/assets/javascripts/feature_flags/components/form.vue

@@ -11,7 +11,7 @@ import {
   GlSprintf,
 } from '@gitlab/ui';
 import Api from 'ee/api';
-import RelatedIssuesRoot from 'ee/related_issues/components/related_issues_root.vue';
+import RelatedIssuesRoot from '~/related_issues/components/related_issues_root.vue';
 import { s__ } from '~/locale';
 import { deprecatedCreateFlash as flash, FLASH_TYPES } from '~/flash';
 import featureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';

ee/app/assets/javascripts/pages/projects/issues/show/index.js

 import initSidebarBundle from 'ee/sidebar/sidebar_bundle';
-import initRelatedIssues from 'ee/related_issues';
 import trackShowInviteMemberLink from 'ee/projects/track_invite_members';
+import initRelatedIssues from '~/related_issues';
 import initShow from '~/pages/projects/issues/show';
 import UserCallout from '~/user_callout';
 

ee/app/assets/javascripts/projects/merge_requests/blocking_mr_input_root.vue

 <script>
-import RelatedIssuableInput from 'ee/related_issues/components/related_issuable_input.vue';
-import { issuableTypesMap } from 'ee/related_issues/constants';
+import RelatedIssuableInput from '~/related_issues/components/related_issuable_input.vue';
+import { issuableTypesMap } from '~/related_issues/constants';
 
 export default {
   components: {

ee/app/assets/javascripts/related_items_tree/components/related_items_tree_app.vue

@@ -3,7 +3,7 @@ import { mapState, mapActions, mapGetters } from 'vuex';
 
 import { GlLoadingIcon } from '@gitlab/ui';
 
-import AddItemForm from 'ee/related_issues/components/add_issuable_form.vue';
+import AddItemForm from '~/related_issues/components/add_issuable_form.vue';
 import SlotSwitch from '~/vue_shared/components/slot_switch.vue';
 import CreateEpicForm from './create_epic_form.vue';
 import CreateIssueForm from './create_issue_form.vue';

ee/app/assets/javascripts/related_items_tree/components/related_items_tree_header.vue

@@ -3,7 +3,7 @@ import { mapState, mapActions } from 'vuex';
 
 import { GlTooltip, GlIcon } from '@gitlab/ui';
 
-import { issuableTypesMap } from 'ee/related_issues/constants';
+import { issuableTypesMap } from '~/related_issues/constants';
 
 import EpicActionsSplitButton from './epic_issue_actions_split_button.vue';
 import EpicHealthStatus from './epic_health_status.vue';

ee/app/assets/javascripts/related_items_tree/store/actions.js

@@ -4,7 +4,7 @@ import {
   itemAddFailureTypesMap,
   pathIndeterminateErrorMap,
   relatedIssuesRemoveErrorMap,
-} from 'ee/related_issues/constants';
+} from '~/related_issues/constants';
 import { deprecatedCreateFlash as flash } from '~/flash';
 import { s__, __ } from '~/locale';
 import axios from '~/lib/utils/axios_utils';

ee/app/assets/javascripts/related_items_tree/store/getters.js

-import { issuableTypesMap, PathIdSeparator } from 'ee/related_issues/constants';
+import { issuableTypesMap, PathIdSeparator } from '~/related_issues/constants';
 
 export const autoCompleteSources = () => gl.GfmAutoComplete && gl.GfmAutoComplete.dataSources;
 

ee/app/assets/javascripts/related_items_tree/store/mutations.js

 import Vue from 'vue';
 
-import { issuableTypesMap } from 'ee/related_issues/constants';
+import { issuableTypesMap } from '~/related_issues/constants';
 import * as types from './mutation_types';
 
 export default {

ee/app/assets/javascripts/related_items_tree/utils/epic_utils.js

-import { PathIdSeparator } from 'ee/related_issues/constants';
+import { PathIdSeparator } from '~/related_issues/constants';
 import createGqClient, { fetchPolicies } from '~/lib/graphql';
 
 import { ChildType } from '../constants';

ee/app/assets/javascripts/vulnerabilities/components/related_issues.vue

 <script>
 import axios from 'axios';
 import { GlButton } from '@gitlab/ui';
-import RelatedIssuesStore from 'ee/related_issues/stores/related_issues_store';
-import RelatedIssuesBlock from 'ee/related_issues/components/related_issues_block.vue';
-import { issuableTypesMap, PathIdSeparator } from 'ee/related_issues/constants';
+import RelatedIssuesStore from '~/related_issues/stores/related_issues_store';
+import RelatedIssuesBlock from '~/related_issues/components/related_issues_block.vue';
+import { issuableTypesMap, PathIdSeparator } from '~/related_issues/constants';
 import { sprintf, __, s__ } from '~/locale';
 import { joinPaths, redirectTo } from '~/lib/utils/url_utility';
 import { RELATED_ISSUES_ERRORS, FEEDBACK_TYPES } from '../constants';

ee/app/views/projects/issues/_related_issues.html.haml

 - if can?(current_user, :read_issue_link, @project)
   .js-related-issues-root{ data: { endpoint: project_issue_links_path(@project, @issue),
     can_add_related_issues: "#{can?(current_user, :admin_issue_link, @issue)}",
-    help_path: help_page_path('user/project/issues/related_issues') } }
-    .related-issues-block
-      .card.card-slim
-        .card-header.panel-empty-heading.border-bottom-0
-          %h3.card-title.mt-0.mb-0.h5
-            = _('Linked issues')
+    help_path: help_page_path('user/project/issues/related_issues'),
+    show_categorized_issues: "#{!!@project.feature_available?(:blocked_issues)}" } }
+    - render('projects/issues/related_issues_block')

ee/spec/frontend/feature_flags/components/form_spec.js

@@ -13,7 +13,7 @@ import {
   LEGACY_FLAG,
   NEW_VERSION_FLAG,
 } from 'ee/feature_flags/constants';
-import RelatedIssuesRoot from 'ee/related_issues/components/related_issues_root.vue';
+import RelatedIssuesRoot from '~/related_issues/components/related_issues_root.vue';
 import ToggleButton from '~/vue_shared/components/toggle_button.vue';
 import { featureFlag, userList, allUsersStrategy } from '../mock_data';
 

ee/spec/frontend/issuable/related_issues/components/related_issues_list_spec.js

-import { mount, shallowMount } from '@vue/test-utils';
+import { mount } from '@vue/test-utils';
+import { issuable1 } from 'jest/vue_shared/components/issue/related_issuable_mock_data';
 import IssueWeight from 'ee/boards/components/issue_card_weight.vue';
-import RelatedIssuesList from 'ee/related_issues/components/related_issues_list.vue';
-import {
-  issuable1,
-  issuable2,
-  issuable3,
-  issuable4,
-  issuable5,
-} from 'jest/vue_shared/components/issue/related_issuable_mock_data';
-import { PathIdSeparator } from 'ee/related_issues/constants';
-import IssueDueDate from '~/boards/components/issue_due_date.vue';
+import RelatedIssuesList from '~/related_issues/components/related_issues_list.vue';
+import { PathIdSeparator } from '~/related_issues/constants';
 
+/*
+ * Here we only test the behavior of Related Issues with Weight, as weight is an EE-only feature.
+ */
 describe('RelatedIssuesList', () => {
   let wrapper;
 
@@ -18,156 +14,6 @@ describe('RelatedIssuesList', () => {
     wrapper.destroy();
   });
 
-  describe('with defaults', () => {
-    const heading = 'Related to';
-
-    beforeEach(() => {
-      wrapper = shallowMount(RelatedIssuesList, {
-        propsData: {
-          pathIdSeparator: PathIdSeparator.Issue,
-          issuableType: 'issue',
-          heading,
-        },
-      });
-    });
-
-    it('shows a heading', () => {
-      expect(wrapper.find('h4').text()).toContain(heading);
-    });
-
-    it('should not show loading icon', () => {
-      expect(wrapper.vm.$refs.loadingIcon).toBeUndefined();
-    });
-  });
-
-  describe('with isFetching=true', () => {
-    beforeEach(() => {
-      wrapper = shallowMount(RelatedIssuesList, {
-        propsData: {
-          pathIdSeparator: PathIdSeparator.Issue,
-          isFetching: true,
-          issuableType: 'issue',
-        },
-      });
-    });
-
-    it('should show loading icon', () => {
-      expect(wrapper.vm.$refs.loadingIcon).toBeDefined();
-    });
-  });
-
-  describe('methods', () => {
-    beforeEach(() => {
-      wrapper = shallowMount(RelatedIssuesList, {
-        propsData: {
-          pathIdSeparator: PathIdSeparator.Issue,
-          relatedIssues: [issuable1, issuable2, issuable3, issuable4, issuable5],
-          issuableType: 'issue',
-        },
-      });
-    });
-
-    it('updates the order correctly when an item is moved to the top', () => {
-      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
-        wrapper.vm.$el.querySelector('ul li:first-child'),
-      );
-
-      expect(beforeAfterIds.beforeId).toBeNull();
-      expect(beforeAfterIds.afterId).toBe(2);
-    });
-
-    it('updates the order correctly when an item is moved to the bottom', () => {
-      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
-        wrapper.vm.$el.querySelector('ul li:last-child'),
-      );
-
-      expect(beforeAfterIds.beforeId).toBe(4);
-      expect(beforeAfterIds.afterId).toBeNull();
-    });
-
-    it('updates the order correctly when an item is swapped with adjacent item', () => {
-      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
-        wrapper.vm.$el.querySelector('ul li:nth-child(3)'),
-      );
-
-      expect(beforeAfterIds.beforeId).toBe(2);
-      expect(beforeAfterIds.afterId).toBe(4);
-    });
-
-    it('updates the order correctly when an item is moved somewhere in the middle', () => {
-      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
-        wrapper.vm.$el.querySelector('ul li:nth-child(4)'),
-      );
-
-      expect(beforeAfterIds.beforeId).toBe(3);
-      expect(beforeAfterIds.afterId).toBe(5);
-    });
-  });
-
-  describe('issuableOrderingId returns correct issuable order id when', () => {
-    it('issuableType is epic', () => {
-      wrapper = shallowMount(RelatedIssuesList, {
-        propsData: {
-          pathIdSeparator: PathIdSeparator.Issue,
-          issuableType: 'issue',
-        },
-      });
-
-      expect(wrapper.vm.issuableOrderingId(issuable1)).toBe(issuable1.epicIssueId);
-    });
-
-    it('issuableType is issue', () => {
-      wrapper = shallowMount(RelatedIssuesList, {
-        propsData: {
-          pathIdSeparator: PathIdSeparator.Issue,
-          issuableType: 'epic',
-        },
-      });
-
-      expect(wrapper.vm.issuableOrderingId(issuable1)).toBe(issuable1.id);
-    });
-  });
-
-  describe('renders correct ordering id when', () => {
-    let relatedIssues;
-
-    beforeAll(() => {
-      relatedIssues = [issuable1, issuable2, issuable3, issuable4, issuable5];
-    });
-
-    it('issuableType is epic', () => {
-      wrapper = shallowMount(RelatedIssuesList, {
-        propsData: {
-          pathIdSeparator: PathIdSeparator.Issue,
-          issuableType: 'epic',
-          relatedIssues,
-        },
-      });
-
-      const listItems = wrapper.vm.$el.querySelectorAll('.list-item');
-
-      Array.from(listItems).forEach((item, index) => {
-        expect(Number(item.dataset.orderingId)).toBe(relatedIssues[index].id);
-      });
-    });
-
-    it('issuableType is issue', () => {
-      wrapper = shallowMount(RelatedIssuesList, {
-        propsData: {
-          pathIdSeparator: PathIdSeparator.Issue,
-          issuableType: 'issue',
-          relatedIssues,
-        },
-      });
-
-      const listItems = wrapper.vm.$el.querySelectorAll('.list-item');
-
-      Array.from(listItems).forEach((item, index) => {
-        expect(Number(item.dataset.orderingId)).toBe(relatedIssues[index].epicIssueId);
-      });
-    });
-  });
-
   describe('related item contents', () => {
     beforeAll(() => {
       wrapper = mount(RelatedIssuesList, {
@@ -187,14 +33,5 @@ describe('RelatedIssuesList', () => {
           .text(),
       ).toBe(issuable1.weight.toString());
     });
-
-    it('shows due date', () => {
-      expect(
-        wrapper
-          .find(IssueDueDate)
-          .find('.board-card-info-text')
-          .text(),
-      ).toBe('Nov 22, 2010');
-    });
   });
 });

ee/spec/frontend/projects/merge_requests/blocking_mr_input_root_spec.js

 import { shallowMount } from '@vue/test-utils';
 import BlockingMrInputRoot from 'ee/projects/merge_requests/blocking_mr_input_root.vue';
-import RelatedIssuableInput from 'ee/related_issues/components/related_issuable_input.vue';
+import RelatedIssuableInput from '~/related_issues/components/related_issuable_input.vue';
 
 describe('blocking mr input root', () => {
   let wrapper;

ee/spec/frontend/related_issues/components/related_issuable_input_spec.js

 import { shallowMount } from '@vue/test-utils';
 import { TEST_HOST } from 'helpers/test_constants';
-import { issuableTypesMap, PathIdSeparator } from 'ee/related_issues/constants';
-import RelatedIssuableInput from 'ee/related_issues/components/related_issuable_input.vue';
+import { issuableTypesMap, PathIdSeparator } from '~/related_issues/constants';
+import RelatedIssuableInput from '~/related_issues/components/related_issuable_input.vue';
 
 jest.mock('ee_else_ce/gfm_auto_complete', () => {
   return function gfmAutoComplete() {

ee/spec/frontend/related_items_tree/components/related_items_tree_app_spec.js

@@ -5,10 +5,10 @@ import { GlLoadingIcon } from '@gitlab/ui';
 import RelatedItemsTreeApp from 'ee/related_items_tree/components/related_items_tree_app.vue';
 import RelatedItemsTreeHeader from 'ee/related_items_tree/components/related_items_tree_header.vue';
 import createDefaultStore from 'ee/related_items_tree/store';
-import { issuableTypesMap } from 'ee/related_issues/constants';
 import CreateIssueForm from 'ee/related_items_tree/components/create_issue_form.vue';
 import AxiosMockAdapter from 'axios-mock-adapter';
 import { getJSONFixture } from 'helpers/fixtures';
+import { issuableTypesMap } from '~/related_issues/constants';
 import axios from '~/lib/utils/axios_utils';
 
 import { mockInitialConfig, mockParentItem, mockEpics, mockIssues } from '../mock_data';

ee/spec/frontend/related_items_tree/components/related_items_tree_header_spec.js

@@ -5,11 +5,11 @@ import { GlTooltip, GlIcon } from '@gitlab/ui';
 import RelatedItemsTreeHeader from 'ee/related_items_tree/components/related_items_tree_header.vue';
 import createDefaultStore from 'ee/related_items_tree/store';
 import * as epicUtils from 'ee/related_items_tree/utils/epic_utils';
-import { issuableTypesMap } from 'ee/related_issues/constants';
 
 import EpicActionsSplitButton from 'ee/related_items_tree/components/epic_issue_actions_split_button.vue';
 import EpicHealthStatus from 'ee/related_items_tree/components/epic_health_status.vue';
 
+import { issuableTypesMap } from '~/related_issues/constants';
 import { mockInitialConfig, mockParentItem, mockQueryResponse } from '../mock_data';
 
 const localVue = createLocalVue();

ee/spec/frontend/related_items_tree/components/tree_item_body_spec.js

@@ -10,7 +10,7 @@ import StateTooltip from 'ee/related_items_tree/components/state_tooltip.vue';
 import createDefaultStore from 'ee/related_items_tree/store';
 import * as epicUtils from 'ee/related_items_tree/utils/epic_utils';
 import { ChildType, ChildState } from 'ee/related_items_tree/constants';
-import { PathIdSeparator } from 'ee/related_issues/constants';
+import { PathIdSeparator } from '~/related_issues/constants';
 import ItemAssignees from '~/vue_shared/components/issue/issue_assignees.vue';
 import ItemDueDate from '~/boards/components/issue_due_date.vue';
 import ItemMilestone from '~/vue_shared/components/issue/issue_milestone.vue';

ee/spec/frontend/related_items_tree/components/tree_item_remove_modal_spec.js

@@ -7,7 +7,7 @@ import TreeItemRemoveModal from 'ee/related_items_tree/components/tree_item_remo
 import createDefaultStore from 'ee/related_items_tree/store';
 import * as epicUtils from 'ee/related_items_tree/utils/epic_utils';
 import { ChildType } from 'ee/related_items_tree/constants';
-import { PathIdSeparator } from 'ee/related_issues/constants';
+import { PathIdSeparator } from '~/related_issues/constants';
 
 import { mockParentItem, mockQueryResponse, mockIssue1 } from '../mock_data';
 

ee/spec/frontend/related_items_tree/components/tree_item_spec.js

@@ -9,7 +9,7 @@ import TreeRoot from 'ee/related_items_tree/components/tree_root.vue';
 import createDefaultStore from 'ee/related_items_tree/store';
 import * as epicUtils from 'ee/related_items_tree/utils/epic_utils';
 import { ChildType, treeItemChevronBtnClassName } from 'ee/related_items_tree/constants';
-import { PathIdSeparator } from 'ee/related_issues/constants';
+import { PathIdSeparator } from '~/related_issues/constants';
 
 import { mockParentItem, mockQueryResponse, mockEpic1 } from '../mock_data';
 

ee/spec/frontend/related_items_tree/store/actions_spec.js

@@ -5,14 +5,14 @@ import * as types from 'ee/related_items_tree/store/mutation_types';
 
 import * as epicUtils from 'ee/related_items_tree/utils/epic_utils';
 import { ChildType, ChildState } from 'ee/related_items_tree/constants';
+
+import testAction from 'helpers/vuex_action_helper';
+import { TEST_HOST } from 'spec/test_constants';
 import {
   issuableTypesMap,
   itemAddFailureTypesMap,
   PathIdSeparator,
-} from 'ee/related_issues/constants';
-
-import testAction from 'helpers/vuex_action_helper';
-import { TEST_HOST } from 'spec/test_constants';
+} from '~/related_issues/constants';
 import axios from '~/lib/utils/axios_utils';
 import { deprecatedCreateFlash as createFlash } from '~/flash';
 

ee/spec/frontend/related_items_tree/store/getters_spec.js

 import * as getters from 'ee/related_items_tree/store/getters';
 import createDefaultState from 'ee/related_items_tree/store/state';
-import { issuableTypesMap } from 'ee/related_issues/constants';
+import { issuableTypesMap } from '~/related_issues/constants';
 
 import { mockEpic1, mockEpic2 } from '../mock_data';
 

ee/spec/frontend/related_items_tree/utils/epic_utils_spec.js

 import * as epicUtils from 'ee/related_items_tree/utils/epic_utils';
 
-import { PathIdSeparator } from 'ee/related_issues/constants';
 import { ChildType } from 'ee/related_items_tree/constants';
+import { PathIdSeparator } from '~/related_issues/constants';
 
 import { mockQueryResponse2, mockEpic1, mockIssue1 } from '../mock_data';
 

ee/spec/frontend/vulnerabilities/related_issues_spec.js

 import { shallowMount } from '@vue/test-utils';
 import MockAdapter from 'axios-mock-adapter';
 import RelatedIssues from 'ee/vulnerabilities/components/related_issues.vue';
-import RelatedIssuesBlock from 'ee/related_issues/components/related_issues_block.vue';
-import { issuableTypesMap, PathIdSeparator } from 'ee/related_issues/constants';
 import { FEEDBACK_TYPES } from 'ee/vulnerabilities/constants';
 import waitForPromises from 'helpers/wait_for_promises';
+import RelatedIssuesBlock from '~/related_issues/components/related_issues_block.vue';
+import { issuableTypesMap, PathIdSeparator } from '~/related_issues/constants';
 import axios from '~/lib/utils/axios_utils';
 import { deprecatedCreateFlash as createFlash } from '~/flash';
 import httpStatusCodes from '~/lib/utils/http_status';

qa/qa/ee/page/group/epic/show.rb

@@ -12,11 +12,11 @@ module QA
               element :close_reopen_epic_button
             end
 
-            view 'ee/app/assets/javascripts/related_issues/components/add_issuable_form.vue' do
+            view 'app/assets/javascripts/related_issues/components/add_issuable_form.vue' do
               element :add_issue_button
             end
 
-            view 'ee/app/assets/javascripts/related_issues/components/related_issuable_input.vue' do
+            view 'app/assets/javascripts/related_issues/components/related_issuable_input.vue' do
               element :add_issue_input
             end
 

qa/qa/ee/page/project/issue/show.rb

@@ -12,23 +12,6 @@ module QA
               super
 
               base.class_eval do
-                view 'ee/app/assets/javascripts/related_issues/components/add_issuable_form.vue' do
-                  element :add_issue_button
-                end
-
-                view 'ee/app/assets/javascripts/related_issues/components/related_issuable_input.vue' do
-                  element :add_issue_input
-                end
-
-                view 'ee/app/assets/javascripts/related_issues/components/related_issues_block.vue' do
-                  element :related_issues_plus_button
-                end
-
-                view 'ee/app/assets/javascripts/related_issues/components/related_issues_list.vue' do
-                  element :related_issuable_item
-                  element :related_issues_loading_icon
-                end
-
                 view 'ee/app/assets/javascripts/sidebar/components/weight/weight.vue' do
                   element :weight_label_value
                   element :edit_weight_link
@@ -43,26 +26,12 @@ module QA
               click_element(:remove_weight_link)
             end
 
-            def relate_issue(issue)
-              click_element(:related_issues_plus_button)
-              fill_element(:add_issue_input, issue.web_url)
-              send_keys_to_element(:add_issue_input, :enter)
-            end
-
-            def related_issuable_item
-              find_element(:related_issuable_item)
-            end
-
             def set_weight(weight)
               click_element(:edit_weight_link)
               fill_element(:weight_input_field, weight)
               send_keys_to_element(:weight_input_field, :enter)
             end
 
-            def wait_for_related_issues_to_load
-              has_no_element?(:related_issues_loading_icon, wait: QA::Support::Repeater::DEFAULT_MAX_WAIT_TIME)
-            end
-
             def weight_label_value
               find_element(:weight_label_value)
             end

qa/qa/page/project/issue/show.rb

@@ -38,6 +38,37 @@ module QA
             element :new_note_form, 'attr: :note' # rubocop:disable QA/ElementWithPattern
           end
 
+          view 'app/assets/javascripts/related_issues/components/add_issuable_form.vue' do
+            element :add_issue_button
+          end
+
+          view 'app/assets/javascripts/related_issues/components/related_issuable_input.vue' do
+            element :add_issue_input
+          end
+
+          view 'app/assets/javascripts/related_issues/components/related_issues_block.vue' do
+            element :related_issues_plus_button
+          end
+
+          view 'app/assets/javascripts/related_issues/components/related_issues_list.vue' do
+            element :related_issuable_item
+            element :related_issues_loading_icon
+          end
+
+          def relate_issue(issue)
+            click_element(:related_issues_plus_button)
+            fill_element(:add_issue_input, issue.web_url)
+            send_keys_to_element(:add_issue_input, :enter)
+          end
+
+          def related_issuable_item
+            find_element(:related_issuable_item)
+          end
+
+          def wait_for_related_issues_to_load
+            has_no_element?(:related_issues_loading_icon, wait: QA::Support::Repeater::DEFAULT_MAX_WAIT_TIME)
+          end
+
           def click_remove_related_issue_button
             click_element(:remove_related_issue_button)
           end

ee/spec/frontend/issuable/related_issues/components/add_issuable_form_spec.js → spec/frontend/issuable/related_issues/components/add_issuable_form_spec.js

 import { mount, shallowMount } from '@vue/test-utils';
-import {
-  issuableTypesMap,
-  linkedIssueTypesMap,
-  PathIdSeparator,
-} from 'ee/related_issues/constants';
-import AddIssuableForm from 'ee/related_issues/components/add_issuable_form.vue';
+import { issuableTypesMap, linkedIssueTypesMap, PathIdSeparator } from '~/related_issues/constants';
+import AddIssuableForm from '~/related_issues/components/add_issuable_form.vue';
 
 const issuable1 = {
   id: 200,

ee/spec/frontend/issuable/related_issues/components/issue_token_spec.js → spec/frontend/issuable/related_issues/components/issue_token_spec.js

 import Vue from 'vue';
-import { PathIdSeparator } from 'ee/related_issues/constants';
-import issueToken from 'ee/related_issues/components/issue_token.vue';
+import { PathIdSeparator } from '~/related_issues/constants';
+import issueToken from '~/related_issues/components/issue_token.vue';
 
 describe('IssueToken', () => {
   const idKey = 200;

ee/spec/frontend/issuable/related_issues/components/related_issues_block_spec.js → spec/frontend/issuable/related_issues/components/related_issues_block_spec.js

 import { shallowMount, mount } from '@vue/test-utils';
 import { GlButton, GlIcon } from '@gitlab/ui';
-import RelatedIssuesBlock from 'ee/related_issues/components/related_issues_block.vue';
 import {
   issuable1,
   issuable2,
   issuable3,
 } from 'jest/vue_shared/components/issue/related_issuable_mock_data';
+import RelatedIssuesBlock from '~/related_issues/components/related_issues_block.vue';
 import {
   linkedIssueTypesMap,
   linkedIssueTypesTextMap,
   PathIdSeparator,
-} from 'ee/related_issues/constants';
+} from '~/related_issues/constants';
 
 describe('RelatedIssuesBlock', () => {
   let wrapper;

spec/frontend/issuable/related_issues/components/related_issues_list_spec.js

+import { mount, shallowMount } from '@vue/test-utils';
+import {
+  issuable1,
+  issuable2,
+  issuable3,
+  issuable4,
+  issuable5,
+} from 'jest/vue_shared/components/issue/related_issuable_mock_data';
+import IssueDueDate from '~/boards/components/issue_due_date.vue';
+import RelatedIssuesList from '~/related_issues/components/related_issues_list.vue';
+import { PathIdSeparator } from '~/related_issues/constants';
+
+describe('RelatedIssuesList', () => {
+  let wrapper;
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('with defaults', () => {
+    const heading = 'Related to';
+
+    beforeEach(() => {
+      wrapper = shallowMount(RelatedIssuesList, {
+        propsData: {
+          pathIdSeparator: PathIdSeparator.Issue,
+          issuableType: 'issue',
+          heading,
+        },
+      });
+    });
+
+    it('shows a heading', () => {
+      expect(wrapper.find('h4').text()).toContain(heading);
+    });
+
+    it('should not show loading icon', () => {
+      expect(wrapper.vm.$refs.loadingIcon).toBeUndefined();
+    });
+  });
+
+  describe('with isFetching=true', () => {
+    beforeEach(() => {
+      wrapper = shallowMount(RelatedIssuesList, {
+        propsData: {
+          pathIdSeparator: PathIdSeparator.Issue,
+          isFetching: true,
+          issuableType: 'issue',
+        },
+      });
+    });
+
+    it('should show loading icon', () => {
+      expect(wrapper.vm.$refs.loadingIcon).toBeDefined();
+    });
+  });
+
+  describe('methods', () => {
+    beforeEach(() => {
+      wrapper = shallowMount(RelatedIssuesList, {
+        propsData: {
+          pathIdSeparator: PathIdSeparator.Issue,
+          relatedIssues: [issuable1, issuable2, issuable3, issuable4, issuable5],
+          issuableType: 'issue',
+        },
+      });
+    });
+
+    it('updates the order correctly when an item is moved to the top', () => {
+      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
+        wrapper.vm.$el.querySelector('ul li:first-child'),
+      );
+
+      expect(beforeAfterIds.beforeId).toBeNull();
+      expect(beforeAfterIds.afterId).toBe(2);
+    });
+
+    it('updates the order correctly when an item is moved to the bottom', () => {
+      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
+        wrapper.vm.$el.querySelector('ul li:last-child'),
+      );
+
+      expect(beforeAfterIds.beforeId).toBe(4);
+      expect(beforeAfterIds.afterId).toBeNull();
+    });
+
+    it('updates the order correctly when an item is swapped with adjacent item', () => {
+      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
+        wrapper.vm.$el.querySelector('ul li:nth-child(3)'),
+      );
+
+      expect(beforeAfterIds.beforeId).toBe(2);
+      expect(beforeAfterIds.afterId).toBe(4);
+    });
+
+    it('updates the order correctly when an item is moved somewhere in the middle', () => {
+      const beforeAfterIds = wrapper.vm.getBeforeAfterId(
+        wrapper.vm.$el.querySelector('ul li:nth-child(4)'),
+      );
+
+      expect(beforeAfterIds.beforeId).toBe(3);
+      expect(beforeAfterIds.afterId).toBe(5);
+    });
+  });
+
+  describe('issuableOrderingId returns correct issuable order id when', () => {
+    it('issuableType is epic', () => {
+      wrapper = shallowMount(RelatedIssuesList, {
+        propsData: {
+          pathIdSeparator: PathIdSeparator.Issue,
+          issuableType: 'issue',
+        },
+      });
+
+      expect(wrapper.vm.issuableOrderingId(issuable1)).toBe(issuable1.epicIssueId);
+    });
+
+    it('issuableType is issue', () => {
+      wrapper = shallowMount(RelatedIssuesList, {
+        propsData: {
+          pathIdSeparator: PathIdSeparator.Issue,
+          issuableType: 'epic',
+        },
+      });
+
+      expect(wrapper.vm.issuableOrderingId(issuable1)).toBe(issuable1.id);
+    });
+  });
+
+  describe('renders correct ordering id when', () => {
+    let relatedIssues;
+
+    beforeAll(() => {
+      relatedIssues = [issuable1, issuable2, issuable3, issuable4, issuable5];
+    });
+
+    it('issuableType is epic', () => {
+      wrapper = shallowMount(RelatedIssuesList, {
+        propsData: {
+          pathIdSeparator: PathIdSeparator.Issue,
+          issuableType: 'epic',
+          relatedIssues,
+        },
+      });
+
+      const listItems = wrapper.vm.$el.querySelectorAll('.list-item');
+
+      Array.from(listItems).forEach((item, index) => {
+        expect(Number(item.dataset.orderingId)).toBe(relatedIssues[index].id);
+      });
+    });
+
+    it('issuableType is issue', () => {
+      wrapper = shallowMount(RelatedIssuesList, {
+        propsData: {
+          pathIdSeparator: PathIdSeparator.Issue,
+          issuableType: 'issue',
+          relatedIssues,
+        },
+      });
+
+      const listItems = wrapper.vm.$el.querySelectorAll('.list-item');
+
+      Array.from(listItems).forEach((item, index) => {
+        expect(Number(item.dataset.orderingId)).toBe(relatedIssues[index].epicIssueId);
+      });
+    });
+  });
+
+  describe('related item contents', () => {
+    beforeAll(() => {
+      wrapper = mount(RelatedIssuesList, {
+        propsData: {
+          issuableType: 'issue',
+          pathIdSeparator: PathIdSeparator.Issue,
+          relatedIssues: [issuable1],
+        },
+      });
+    });
+
+    it('shows due date', () => {
+      expect(
+        wrapper
+          .find(IssueDueDate)
+          .find('.board-card-info-text')
+          .text(),
+      ).toBe('Nov 22, 2010');
+    });
+  });
+});

ee/spec/frontend/issuable/related_issues/components/related_issues_root_spec.js → spec/frontend/issuable/related_issues/components/related_issues_root_spec.js

 import { mount, shallowMount } from '@vue/test-utils';
 import MockAdapter from 'axios-mock-adapter';
 import waitForPromises from 'helpers/wait_for_promises';
-import RelatedIssuesRoot from 'ee/related_issues/components/related_issues_root.vue';
-import relatedIssuesService from 'ee/related_issues/services/related_issues_service';
-import { linkedIssueTypesMap } from 'ee/related_issues/constants';
 import {
   defaultProps,
   issuable1,
   issuable2,
 } from 'jest/vue_shared/components/issue/related_issuable_mock_data';
+import RelatedIssuesRoot from '~/related_issues/components/related_issues_root.vue';
+import relatedIssuesService from '~/related_issues/services/related_issues_service';
+import { linkedIssueTypesMap } from '~/related_issues/constants';
 import axios from '~/lib/utils/axios_utils';
 import { deprecatedCreateFlash as createFlash } from '~/flash';
 

ee/spec/frontend/issuable/related_issues/stores/related_issues_store_spec.js → spec/frontend/issuable/related_issues/stores/related_issues_store_spec.js

-import RelatedIssuesStore from 'ee/related_issues/stores/related_issues_store';
-
 import {
   issuable1,
   issuable2,
@@ -7,6 +5,7 @@ import {
   issuable4,
   issuable5,
 } from 'jest/vue_shared/components/issue/related_issuable_mock_data';
+import RelatedIssuesStore from '~/related_issues/stores/related_issues_store';
 
 describe('RelatedIssuesStore', () => {
   let store;