Add Jira app feature flag and mount-point

- Adds `jira_issues_list` feature flag
- Adds mount-point for new app.

app/assets/javascripts/issuable_list/components/issuable_item.vue

@@ -116,7 +116,8 @@ export default {
           <div data-testid="issuable-title" class="issue-title title">
             <span class="issue-title-text" dir="auto">
               <gl-link :href="issuable.webUrl" v-bind="issuableTitleProps"
-                >{{ issuable.title }}<gl-icon v-if="isIssuableUrlExternal" name="external-link"
+                >{{ issuable.title
+                }}<gl-icon v-if="isIssuableUrlExternal" name="external-link" class="gl-ml-2"
               /></gl-link>
             </span>
           </div>
@@ -134,7 +135,9 @@ export default {
                 >{{ createdAt }}</span
               >
               {{ __('by') }}
+              <slot v-if="hasSlotContents('author')" name="author"></slot>
               <gl-link
+                v-else
                 :data-user-id="authorId"
                 :data-username="author.username"
                 :data-name="author.name"

app/assets/javascripts/issuable_list/components/issuable_list_root.vue

 <script>
-import { GlLoadingIcon, GlPagination } from '@gitlab/ui';
+import { GlSkeletonLoading, GlPagination } from '@gitlab/ui';
 
 import { updateHistory, setUrlParams } from '~/lib/utils/url_utility';
 import FilteredSearchBar from '~/vue_shared/components/filtered_search_bar/filtered_search_bar_root.vue';
@@ -7,9 +7,11 @@ import FilteredSearchBar from '~/vue_shared/components/filtered_search_bar/filte
 import IssuableTabs from './issuable_tabs.vue';
 import IssuableItem from './issuable_item.vue';
 
+import { DEFAULT_SKELETON_COUNT } from '../constants';
+
 export default {
   components: {
-    GlLoadingIcon,
+    GlSkeletonLoading,
     IssuableTabs,
     FilteredSearchBar,
     IssuableItem,
@@ -88,7 +90,7 @@ export default {
       required: false,
       default: 20,
     },
-    totalPages: {
+    totalItems: {
       type: Number,
       required: false,
       default: 0,
@@ -114,6 +116,19 @@ export default {
       default: true,
     },
   },
+  computed: {
+    skeletonItemCount() {
+      const { totalItems, defaultPageSize, currentPage } = this;
+      const totalPages = Math.ceil(totalItems / defaultPageSize);
+
+      if (totalPages) {
+        return currentPage < totalPages
+          ? defaultPageSize
+          : totalItems % defaultPageSize || defaultPageSize;
+      }
+      return DEFAULT_SKELETON_COUNT;
+    },
+  },
   watch: {
     urlParams: {
       deep: true,
@@ -157,7 +172,11 @@ export default {
       @onSort="$emit('sort', $event)"
     />
     <div class="issuables-holder">
-      <gl-loading-icon v-if="issuablesLoading" size="md" class="gl-mt-5" />
+      <ul v-if="issuablesLoading" class="content-list">
+        <li v-for="n in skeletonItemCount" :key="n" class="issue gl-px-5! gl-py-5!">
+          <gl-skeleton-loading />
+        </li>
+      </ul>
       <ul
         v-if="!issuablesLoading && issuables.length"
         class="content-list issuable-list issues-list"
@@ -172,6 +191,9 @@ export default {
           <template #reference>
             <slot name="reference" :issuable="issuable"></slot>
           </template>
+          <template #author>
+            <slot name="author" :author="issuable.author"></slot>
+          </template>
           <template #status>
             <slot name="status" :issuable="issuable"></slot>
           </template>
@@ -181,7 +203,7 @@ export default {
       <gl-pagination
         v-if="showPaginationControls"
         :per-page="defaultPageSize"
-        :total-items="totalPages"
+        :total-items="totalItems"
         :value="currentPage"
         :prev-page="previousPage"
         :next-page="nextPage"

app/assets/javascripts/issuable_list/constants.js

@@ -47,3 +47,5 @@ export const AvailableSortOptions = [
 ];
 
 export const DEFAULT_PAGE_SIZE = 20;
+
+export const DEFAULT_SKELETON_COUNT = 5;

app/assets/javascripts/pages/projects/integrations/jira/issues/index/index.js

-import initIssuablesList from '~/issues_list';
-
-document.addEventListener('DOMContentLoaded', () => {
-  initIssuablesList();
-});

config/feature_flags/development/jira_issues_list.yml

+---
+name: jira_issues_list
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/45678
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/273726
+type: development
+group: group::ecosystem
+default_enabled: false

ee/app/assets/javascripts/filtered_search/recent_searches_storage_keys.js

@@ -5,4 +5,5 @@ export default {
   epics: 'epics-recent-searches',
   requirements: 'requirements-recent-searches',
   test_cases: 'test-cases-recent-searches',
+  jira_issues: 'jira-issues-recent-searches',
 };

ee/app/assets/javascripts/integrations/jira/issues_list/components/jira_issues_list_empty_state.vue

+<script>
+import { GlEmptyState, GlButton, GlIcon, GlSprintf } from '@gitlab/ui';
+import { __, s__ } from '~/locale';
+
+import { IssuableStates } from '~/issuable_list/constants';
+
+export default {
+  FilterStateEmptyMessage: {
+    [IssuableStates.Opened]: __('There are no open issues'),
+    [IssuableStates.Closed]: __('There are no closed issues'),
+  },
+  components: {
+    GlEmptyState,
+    GlButton,
+    GlIcon,
+    GlSprintf,
+  },
+  inject: ['emptyStatePath', 'issueCreateUrl'],
+  props: {
+    currentState: {
+      type: String,
+      required: true,
+    },
+    issuesCount: {
+      type: Object,
+      required: true,
+    },
+    hasFiltersApplied: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
+  },
+  computed: {
+    hasIssues() {
+      return this.issuesCount[IssuableStates.Opened] + this.issuesCount[IssuableStates.Closed] > 0;
+    },
+    emptyStateTitle() {
+      if (this.hasFiltersApplied) {
+        return __('Sorry, your filter produced no results');
+      } else if (this.hasIssues) {
+        return this.$options.FilterStateEmptyMessage[this.currentState];
+      }
+      return s__(
+        'Integrations|Issues created in Jira are shown here once you have created the issues in project setup in Jira.',
+      );
+    },
+    emptyStateDescription() {
+      if (this.hasFiltersApplied) {
+        return __('To widen your search, change or remove filters above');
+      } else if (!this.hasIssues) {
+        return s__('Integrations|To keep this project going, create a new issue.');
+      }
+      return '';
+    },
+  },
+};
+</script>
+
+<template>
+  <gl-empty-state :svg-path="emptyStatePath" :title="emptyStateTitle">
+    <template v-if="!hasIssues || hasFiltersApplied" #description>
+      <gl-sprintf :message="emptyStateDescription" />
+    </template>
+    <template v-if="!hasIssues" #actions>
+      <gl-button :href="issueCreateUrl" target="_blank" category="primary" variant="success"
+        >{{ s__('Integrations|Create new issue in Jira') }}<gl-icon name="external-link"
+      /></gl-button>
+    </template>
+  </gl-empty-state>
+</template>

ee/app/assets/javascripts/integrations/jira/issues_list/components/jira_issues_list_root.vue

+<script>
+import { GlButton, GlIcon, GlLink, GlSprintf, GlSafeHtmlDirective as SafeHtml } from '@gitlab/ui';
+import jiraLogo from '@gitlab/svgs/dist/illustrations/logos/jira.svg';
+
+import { __ } from '~/locale';
+import createFlash from '~/flash';
+import axios from '~/lib/utils/axios_utils';
+import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
+
+import IssuableList from '~/issuable_list/components/issuable_list_root.vue';
+
+import JiraIssuesListEmptyState from './jira_issues_list_empty_state.vue';
+
+import {
+  IssuableStates,
+  IssuableListTabs,
+  AvailableSortOptions,
+  DEFAULT_PAGE_SIZE,
+} from '~/issuable_list/constants';
+
+export default {
+  name: 'JiraIssuesList',
+  IssuableListTabs,
+  AvailableSortOptions,
+  defaultPageSize: DEFAULT_PAGE_SIZE,
+  components: {
+    GlButton,
+    GlIcon,
+    GlLink,
+    GlSprintf,
+    IssuableList,
+    JiraIssuesListEmptyState,
+  },
+  directives: {
+    SafeHtml,
+  },
+  inject: [
+    'initialState',
+    'initialSortBy',
+    'page',
+    'issuesFetchPath',
+    'projectFullPath',
+    'issueCreateUrl',
+  ],
+  props: {
+    initialFilterParams: {
+      type: Object,
+      required: false,
+      default: () => ({}),
+    },
+  },
+  data() {
+    return {
+      jiraLogo,
+      issues: [],
+      issuesListLoading: false,
+      issuesListLoadFailed: false,
+      totalIssues: 0,
+      currentState: this.initialState,
+      filterParams: this.initialFilterParams,
+      sortedBy: this.initialSortBy,
+      currentPage: this.page,
+      issuesCount: {
+        [IssuableStates.Opened]: 0,
+        [IssuableStates.Closed]: 0,
+        [IssuableStates.All]: 0,
+      },
+    };
+  },
+  computed: {
+    showPaginationControls() {
+      return Boolean(
+        !this.issuesListLoading &&
+          !this.issuesListLoadFailed &&
+          this.issues.length &&
+          this.totalIssues > 1,
+      );
+    },
+    hasFiltersApplied() {
+      return Boolean(this.filterParams.search);
+    },
+    urlParams() {
+      return {
+        state: this.currentState,
+        page: this.currentPage,
+        sort: this.sortedBy,
+        search: this.filterParams.search,
+      };
+    },
+  },
+  mounted() {
+    this.fetchIssues();
+  },
+  methods: {
+    fetchIssues() {
+      this.issuesListLoading = true;
+      this.issuesListLoadFailed = false;
+      return axios
+        .get(this.issuesFetchPath, {
+          params: {
+            with_labels_details: true,
+            page: this.currentPage,
+            per_page: this.$options.defaultPageSize,
+            state: this.currentState,
+            sort: this.sortedBy,
+            search: this.filterParams.search,
+          },
+        })
+        .then(res => {
+          const { headers, data } = res;
+          this.currentPage = parseInt(headers['x-page'], 10);
+          this.totalIssues = parseInt(headers['x-total'], 10);
+          this.issues = data.map((rawIssue, index) => {
+            const issue = convertObjectPropsToCamelCase(rawIssue, { deep: true });
+
+            return {
+              ...issue,
+              // JIRA issues don't have ID so we extract
+              // an ID equivalent from references.relative
+              id: parseInt(rawIssue.references.relative.split('-').pop(), 10),
+              author: {
+                ...issue.author,
+                id: index,
+              },
+            };
+          });
+          this.issuesCount[this.currentState] = this.issues.length;
+        })
+        .catch(error => {
+          this.issuesListLoadFailed = true;
+          createFlash({
+            message: __('An error occurred while loading issues'),
+            captureError: true,
+            error,
+          });
+        })
+        .finally(() => {
+          this.issuesListLoading = false;
+        });
+    },
+    getFilteredSearchValue() {
+      return [
+        {
+          type: 'filtered-search-term',
+          value: {
+            data: this.filterParams.search || '',
+          },
+        },
+      ];
+    },
+    fetchIssuesBy(propsName, propValue) {
+      this[propsName] = propValue;
+      this.fetchIssues();
+    },
+    handleFilterIssues(filters = []) {
+      const filterParams = {};
+      const plainText = [];
+
+      filters.forEach(filter => {
+        if (filter.type === 'filtered-search-term' && filter.value.data) {
+          plainText.push(filter.value.data);
+        }
+      });
+
+      if (plainText.length) {
+        filterParams.search = plainText.join(' ');
+      }
+
+      this.filterParams = filterParams;
+      this.fetchIssues();
+    },
+  },
+};
+</script>
+
+<template>
+  <issuable-list
+    :namespace="projectFullPath"
+    :tabs="$options.IssuableListTabs"
+    :current-tab="currentState"
+    :search-input-placeholder="s__('Integrations|Search Jira issues')"
+    :search-tokens="[]"
+    :sort-options="$options.AvailableSortOptions"
+    :initial-filter-value="getFilteredSearchValue()"
+    :initial-sort-by="sortedBy"
+    :issuables="issues"
+    :issuables-loading="issuesListLoading"
+    :show-pagination-controls="showPaginationControls"
+    :default-page-size="$options.defaultPageSize"
+    :total-items="totalIssues"
+    :current-page="currentPage"
+    :previous-page="currentPage - 1"
+    :next-page="currentPage + 1"
+    :url-params="urlParams"
+    :enable-label-permalinks="false"
+    recent-searches-storage-key="jira_issues"
+    @click-tab="fetchIssuesBy('currentState', $event)"
+    @page-change="fetchIssuesBy('currentPage', $event)"
+    @sort="fetchIssuesBy('sortedBy', $event)"
+    @filter="handleFilterIssues"
+  >
+    <template #nav-actions>
+      <gl-button :href="issueCreateUrl" target="_blank"
+        >{{ s__('Integrations|Create new issue in Jira') }}<gl-icon name="external-link"
+      /></gl-button>
+    </template>
+    <template #reference="{ issuable }">
+      <span v-safe-html="jiraLogo" class="svg-container jira-logo-container"></span>
+      <span>{{ issuable.references.relative }}</span>
+    </template>
+    <template #author="{ author }">
+      <gl-sprintf message="%{authorName} in Jira">
+        <template #authorName>
+          <gl-link class="author-link js-user-link" target="_blank" :href="author.webUrl"
+            >{{ author.name }}
+          </gl-link>
+        </template>
+      </gl-sprintf>
+    </template>
+    <template #status="{ issuable }">
+      {{ issuable.status }}
+    </template>
+    <template #empty-state>
+      <jira-issues-list-empty-state
+        :current-state="currentState"
+        :issues-count="issuesCount"
+        :has-filters-applied="hasFiltersApplied"
+      />
+    </template>
+  </issuable-list>
+</template>

ee/app/assets/javascripts/integrations/jira/issues_list/jira_issues_list_bundle.js

+import Vue from 'vue';
+
+import { urlParamsToObject, convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
+import { IssuableStates } from '~/issuable_list/constants';
+
+import JiraIssuesListApp from './components/jira_issues_list_root.vue';
+
+export default function initJiraIssuesList({ mountPointSelector }) {
+  const mountPointEl = document.querySelector(mountPointSelector);
+
+  if (!mountPointEl) {
+    return null;
+  }
+
+  const {
+    page = 1,
+    initialState = IssuableStates.Opened,
+    initialSortBy = 'created_desc',
+  } = mountPointEl.dataset;
+
+  const initialFilterParams = Object.assign(
+    convertObjectPropsToCamelCase(urlParamsToObject(window.location.search.substring(1)), {
+      dropKeys: ['scope', 'utf8', 'state', 'sort'], // These keys are unsupported/unnecessary
+    }),
+  );
+
+  return new Vue({
+    el: mountPointEl,
+    provide: {
+      ...mountPointEl.dataset,
+      page: parseInt(page, 10),
+      initialState,
+      initialSortBy,
+    },
+    render: createElement =>
+      createElement(JiraIssuesListApp, {
+        props: {
+          initialFilterParams,
+        },
+      }),
+  });
+}

ee/app/assets/javascripts/pages/projects/integrations/jira/issues/index.js

+import initJiraIssuesList from 'ee/integrations/jira/issues_list/jira_issues_list_bundle';
+import initIssuablesList from '~/issues_list';
+
+document.addEventListener('DOMContentLoaded', () => {
+  if (gon.features.jiraIssuesList) {
+    initJiraIssuesList({
+      mountPointSelector: '#js-jira-issues-list',
+    });
+  } else {
+    initIssuablesList();
+  }
+});

ee/app/controllers/projects/integrations/jira/issues_controller.rb

@@ -12,6 +12,7 @@ module Projects
 
         before_action do
           push_frontend_feature_flag(:jira_issues_integration, project, type: :licensed, default_enabled: true)
+          push_frontend_feature_flag(:jira_issues_list, project, type: :development)
         end
 
         rescue_from ::Projects::Integrations::Jira::IssuesFinder::IntegrationError, with: :render_integration_error

ee/app/views/projects/integrations/jira/issues/index.html.haml

 - page_title _('Jira Issues')
 - add_page_specific_style 'page_bundles/issues_list'
 
-.top-area.gl-border-b-0.gl-mt-6
+- if Feature.enabled?(:jira_issues_list, @project, type: :development)
+  #js-jira-issues-list{ data: { issues_fetch_path: project_integrations_jira_issues_path(@project, format: :json),
+    page: params[:page],
+    initial_state: params[:state],
+    initial_sort_by: params[:sort],
+    project_full_path: @project.full_path,
+    issue_create_url: @project.external_issue_tracker.new_issue_url,
+    empty_state_path: image_path('illustrations/issues.svg') } }
+- else
+  .top-area.gl-border-b-0.gl-mt-6
     = render 'shared/issuable/nav', type: :issues, display_count: false
     = render 'projects/integrations/jira/issues/nav_btns'
 
-.js-issuables-list{ data: { endpoint: project_integrations_jira_issues_path(@project, format: :json),
+  .js-issuables-list{ data: { endpoint: project_integrations_jira_issues_path(@project, format: :json),
     'can-bulk-edit': false,
     'empty-state-meta': { svg_path: image_path('illustrations/issues.svg') },
     'sort-key': @sort,

ee/spec/features/integrations/jira/jira_issues_list_spec.rb

@@ -9,6 +9,7 @@ RSpec.describe 'Jira issues list' do
 
   before do
     stub_licensed_features(jira_issues_integration: true)
+    stub_feature_flags(jira_issues_list: false)
     project.add_user(user, :developer)
     sign_in(user)
   end

ee/spec/frontend/integrations/jira/issues_list/components/jira_issues_list_empty_state_spec.js

+import { shallowMount } from '@vue/test-utils';
+import { GlEmptyState, GlSprintf, GlButton } from '@gitlab/ui';
+
+import JiraIssuesListEmptyState from 'ee/integrations/jira/issues_list/components/jira_issues_list_empty_state.vue';
+import { IssuableStates } from '~/issuable_list/constants';
+
+import { mockProvide } from '../mock_data';
+
+const createComponent = (props = {}) =>
+  shallowMount(JiraIssuesListEmptyState, {
+    provide: mockProvide,
+    propsData: {
+      currentState: 'opened',
+      issuesCount: {
+        [IssuableStates.Opened]: 0,
+        [IssuableStates.Closed]: 0,
+        [IssuableStates.All]: 0,
+      },
+      hasFiltersApplied: false,
+      ...props,
+    },
+    stubs: { GlEmptyState },
+  });
+
+describe('JiraIssuesListEmptyState', () => {
+  const titleDefault =
+    'Issues created in Jira are shown here once you have created the issues in project setup in Jira.';
+  const titleWhenFilters = 'Sorry, your filter produced no results';
+  const titleWhenIssues = 'There are no open issues';
+
+  const descriptionWhenFilters = 'To widen your search, change or remove filters above';
+  const descriptionWhenNoIssues = 'To keep this project going, create a new issue.';
+  let wrapper;
+
+  beforeEach(() => {
+    wrapper = createComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('computed', () => {
+    describe('hasIssues', () => {
+      it('returns false when total of opened and closed issues within `issuesCount` is 0', () => {
+        expect(wrapper.vm.hasIssues).toBe(false);
+      });
+
+      it('returns true when total of opened and closed issues within `issuesCount` is more than 0', async () => {
+        wrapper.setProps({
+          issuesCount: {
+            [IssuableStates.Opened]: 1,
+            [IssuableStates.Closed]: 1,
+          },
+        });
+
+        await wrapper.vm.$nextTick();
+
+        expect(wrapper.vm.hasIssues).toBe(true);
+      });
+    });
+
+    describe('emptyStateTitle', () => {
+      it(`returns string "${titleWhenFilters}" when hasFiltersApplied prop is true`, async () => {
+        wrapper.setProps({
+          hasFiltersApplied: true,
+        });
+
+        await wrapper.vm.$nextTick();
+
+        expect(wrapper.vm.emptyStateTitle).toBe(titleWhenFilters);
+      });
+
+      it(`returns string "${titleWhenIssues}" when hasFiltersApplied prop is false and hasIssues is true`, async () => {
+        wrapper.setProps({
+          hasFiltersApplied: false,
+          issuesCount: {
+            [IssuableStates.Opened]: 1,
+            [IssuableStates.Closed]: 1,
+          },
+        });
+
+        await wrapper.vm.$nextTick();
+
+        expect(wrapper.vm.emptyStateTitle).toBe(titleWhenIssues);
+      });
+
+      it('returns default title string when both hasFiltersApplied and hasIssues props are false', async () => {
+        wrapper.setProps({
+          hasFiltersApplied: false,
+        });
+
+        await wrapper.vm.$nextTick();
+
+        expect(wrapper.vm.emptyStateTitle).toBe(titleDefault);
+      });
+    });
+
+    describe('emptyStateDescription', () => {
+      it(`returns string "${descriptionWhenFilters}" when hasFiltersApplied prop is true`, async () => {
+        wrapper.setProps({
+          hasFiltersApplied: true,
+        });
+
+        await wrapper.vm.$nextTick();
+
+        expect(wrapper.vm.emptyStateDescription).toBe(descriptionWhenFilters);
+      });
+
+      it(`returns string "${descriptionWhenNoIssues}" when both hasFiltersApplied and hasIssues props are false`, async () => {
+        wrapper.setProps({
+          hasFiltersApplied: false,
+        });
+
+        await wrapper.vm.$nextTick();
+
+        expect(wrapper.vm.emptyStateDescription).toBe(descriptionWhenNoIssues);
+      });
+
+      it(`returns empty string when hasFiltersApplied is false and hasIssues is true`, async () => {
+        wrapper.setProps({
+          hasFiltersApplied: false,
+          issuesCount: {
+            [IssuableStates.Opened]: 1,
+            [IssuableStates.Closed]: 1,
+          },
+        });
+
+        await wrapper.vm.$nextTick();
+
+        expect(wrapper.vm.emptyStateDescription).toBe('');
+      });
+    });
+  });
+
+  describe('template', () => {
+    it('renders gl-empty-state component', () => {
+      expect(wrapper.find(GlEmptyState).exists()).toBe(true);
+    });
+
+    it('renders empty state title', async () => {
+      const emptyStateEl = wrapper.find(GlEmptyState);
+
+      expect(emptyStateEl.props()).toMatchObject({
+        svgPath: mockProvide.emptyStatePath,
+        title:
+          'Issues created in Jira are shown here once you have created the issues in project setup in Jira.',
+      });
+
+      wrapper.setProps({
+        hasFiltersApplied: true,
+      });
+
+      await wrapper.vm.$nextTick();
+
+      expect(emptyStateEl.props('title')).toBe('Sorry, your filter produced no results');
+
+      wrapper.setProps({
+        hasFiltersApplied: false,
+        issuesCount: {
+          [IssuableStates.Opened]: 1,
+          [IssuableStates.Closed]: 1,
+        },
+      });
+
+      await wrapper.vm.$nextTick();
+
+      expect(emptyStateEl.props('title')).toBe('There are no open issues');
+    });
+
+    it('renders empty state description', () => {
+      const descriptionEl = wrapper.find(GlSprintf);
+
+      expect(descriptionEl.exists()).toBe(true);
+      expect(descriptionEl.attributes('message')).toBe(
+        'To keep this project going, create a new issue.',
+      );
+    });
+
+    it('does not render empty state description when issues are present', async () => {
+      wrapper.setProps({
+        issuesCount: {
+          [IssuableStates.Opened]: 1,
+          [IssuableStates.Closed]: 1,
+        },
+      });
+
+      await wrapper.vm.$nextTick();
+
+      const descriptionEl = wrapper.find(GlSprintf);
+
+      expect(descriptionEl.exists()).toBe(false);
+    });
+
+    it('renders "Create new issue in Jira" button', () => {
+      const buttonEl = wrapper.find(GlButton);
+
+      expect(buttonEl.exists()).toBe(true);
+      expect(buttonEl.attributes('href')).toBe(mockProvide.issueCreateUrl);
+      expect(buttonEl.text()).toBe('Create new issue in Jira');
+    });
+  });
+});

ee/spec/frontend/integrations/jira/issues_list/components/jira_issues_list_root_spec.js

+import { shallowMount } from '@vue/test-utils';
+import MockAdapter from 'axios-mock-adapter';
+
+import JiraIssuesListRoot from 'ee/integrations/jira/issues_list/components/jira_issues_list_root.vue';
+
+import createFlash from '~/flash';
+import axios from '~/lib/utils/axios_utils';
+import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
+import IssuableList from '~/issuable_list/components/issuable_list_root.vue';
+import { IssuableStates, IssuableListTabs, AvailableSortOptions } from '~/issuable_list/constants';
+
+import { mockProvide, mockJiraIssues } from '../mock_data';
+
+jest.mock('~/flash');
+jest.mock('~/issuable_list/constants', () => ({
+  DEFAULT_PAGE_SIZE: 2,
+  IssuableStates: jest.requireActual('~/issuable_list/constants').IssuableStates,
+  IssuableListTabs: jest.requireActual('~/issuable_list/constants').IssuableListTabs,
+  AvailableSortOptions: jest.requireActual('~/issuable_list/constants').AvailableSortOptions,
+}));
+
+const createComponent = ({ provide = mockProvide, initialFilterParams = {} } = {}) =>
+  shallowMount(JiraIssuesListRoot, {
+    propsData: {
+      initialFilterParams,
+    },
+    provide,
+  });
+
+describe('JiraIssuesListRoot', () => {
+  const resolvedValue = {
+    headers: {
+      'x-page': 1,
+      'x-total': 3,
+    },
+    data: mockJiraIssues,
+  };
+  let wrapper;
+  let mock;
+
+  beforeEach(() => {
+    mock = new MockAdapter(axios);
+    wrapper = createComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+    mock.restore();
+  });
+
+  describe('computed', () => {
+    describe('showPaginationControls', () => {
+      it.each`
+        issuesListLoading | issuesListLoadFailed | issues            | totalIssues              | returnValue
+        ${true}           | ${false}             | ${[]}             | ${0}                     | ${false}
+        ${false}          | ${true}              | ${[]}             | ${0}                     | ${false}
+        ${false}          | ${false}             | ${mockJiraIssues} | ${mockJiraIssues.length} | ${true}
+      `(
+        'returns $returnValue when issuesListLoading is $issuesListLoading, issuesListLoadFailed is $issuesListLoadFailed, issues is $issues and totalIssues is $totalIssues',
+        ({ issuesListLoading, issuesListLoadFailed, issues, totalIssues, returnValue }) => {
+          wrapper.setData({
+            issuesListLoading,
+            issuesListLoadFailed,
+            issues,
+            totalIssues,
+          });
+
+          expect(wrapper.vm.showPaginationControls).toBe(returnValue);
+        },
+      );
+    });
+
+    describe('urlParams', () => {
+      it('returns object containing `state`, `page`, `sort` and `search` properties', () => {
+        wrapper.setData({
+          currentState: 'closed',
+          currentPage: 2,
+          sortedBy: 'created_asc',
+          filterParams: {
+            search: 'foo',
+          },
+        });
+
+        expect(wrapper.vm.urlParams).toMatchObject({
+          state: 'closed',
+          page: 2,
+          sort: 'created_asc',
+          search: 'foo',
+        });
+      });
+    });
+  });
+
+  describe('methods', () => {
+    describe('fetchIssues', () => {
+      it('sets issuesListLoading to true and issuesListLoadFailed to false', () => {
+        wrapper.vm.fetchIssues();
+
+        expect(wrapper.vm.issuesListLoading).toBe(true);
+        expect(wrapper.vm.issuesListLoadFailed).toBe(false);
+      });
+
+      it('calls `axios.get` with `issuesFetchPath` and query params', () => {
+        jest.spyOn(axios, 'get').mockResolvedValue(resolvedValue);
+
+        wrapper.vm.fetchIssues();
+
+        expect(axios.get).toHaveBeenCalledWith(
+          mockProvide.issuesFetchPath,
+          expect.objectContaining({
+            params: {
+              with_labels_details: true,
+              page: wrapper.vm.currentPage,
+              per_page: wrapper.vm.$options.defaultPageSize,
+              state: wrapper.vm.currentState,
+              sort: wrapper.vm.sortedBy,
+              search: wrapper.vm.filterParams.search,
+            },
+          }),
+        );
+      });
+
+      it('sets `currentPage` and `totalIssues` from response headers and `issues` & `issuesCount` from response body when request is successful', async () => {
+        jest.spyOn(axios, 'get').mockResolvedValue(resolvedValue);
+
+        await wrapper.vm.fetchIssues();
+
+        const firstIssue = convertObjectPropsToCamelCase(mockJiraIssues[0], { deep: true });
+
+        expect(wrapper.vm.currentPage).toBe(resolvedValue.headers['x-page']);
+        expect(wrapper.vm.totalIssues).toBe(resolvedValue.headers['x-total']);
+        expect(wrapper.vm.issues[0]).toEqual({
+          ...firstIssue,
+          id: 31596,
+          author: {
+            ...firstIssue.author,
+            id: 0,
+          },
+        });
+        expect(wrapper.vm.issuesCount[IssuableStates.Opened]).toBe(3);
+      });
+
+      it('sets `issuesListLoadFailed` to true and calls `createFlash` when request fails', async () => {
+        jest.spyOn(axios, 'get').mockRejectedValue({});
+
+        await wrapper.vm.fetchIssues();
+
+        expect(wrapper.vm.issuesListLoadFailed).toBe(true);
+        expect(createFlash).toHaveBeenCalledWith({
+          message: 'An error occurred while loading issues',
+          captureError: true,
+          error: expect.any(Object),
+        });
+      });
+
+      it('sets `issuesListLoading` to false when request completes', async () => {
+        jest.spyOn(axios, 'get').mockRejectedValue({});
+
+        await wrapper.vm.fetchIssues();
+
+        expect(wrapper.vm.issuesListLoading).toBe(false);
+      });
+    });
+
+    describe('fetchIssuesBy', () => {
+      it('sets provided prop value for given prop name and calls `fetchIssues`', () => {
+        jest.spyOn(wrapper.vm, 'fetchIssues');
+
+        wrapper.vm.fetchIssuesBy('currentPage', 2);
+
+        expect(wrapper.vm.currentPage).toBe(2);
+        expect(wrapper.vm.fetchIssues).toHaveBeenCalled();
+      });
+    });
+  });
+
+  describe('template', () => {
+    const getIssuableList = () => wrapper.find(IssuableList);
+
+    it('renders issuable-list component', async () => {
+      wrapper.setData({
+        filterParams: {
+          search: 'foo',
+        },
+      });
+
+      await wrapper.vm.$nextTick();
+
+      expect(getIssuableList().exists()).toBe(true);
+      expect(getIssuableList().props()).toMatchObject({
+        namespace: mockProvide.projectFullPath,
+        tabs: IssuableListTabs,
+        currentTab: 'opened',
+        searchInputPlaceholder: 'Search Jira issues',
+        searchTokens: [],
+        sortOptions: AvailableSortOptions,
+        initialFilterValue: [
+          {
+            type: 'filtered-search-term',
+            value: {
+              data: 'foo',
+            },
+          },
+        ],
+        initialSortBy: 'created_desc',
+        issuables: [],
+        issuablesLoading: true,
+        showPaginationControls: wrapper.vm.showPaginationControls,
+        defaultPageSize: 2, // mocked value in tests
+        totalItems: 0,
+        currentPage: 1,
+        previousPage: 0,
+        nextPage: 2,
+        urlParams: wrapper.vm.urlParams,
+        recentSearchesStorageKey: 'jira_issues',
+        enableLabelPermalinks: false,
+      });
+    });
+
+    describe('issuable-list events', () => {
+      beforeEach(() => {
+        jest.spyOn(wrapper.vm, 'fetchIssues');
+      });
+
+      it('click-tab event changes currentState value and calls fetchIssues via `fetchIssuesBy`', () => {
+        getIssuableList().vm.$emit('click-tab', 'closed');
+
+        expect(wrapper.vm.currentState).toBe('closed');
+        expect(wrapper.vm.fetchIssues).toHaveBeenCalled();
+      });
+
+      it('page-change event changes currentPage value and calls fetchIssues via `fetchIssuesBy`', () => {
+        getIssuableList().vm.$emit('page-change', 2);
+
+        expect(wrapper.vm.currentPage).toBe(2);
+        expect(wrapper.vm.fetchIssues).toHaveBeenCalled();
+      });
+
+      it('sort event changes sortedBy value and calls fetchIssues via `fetchIssuesBy`', () => {
+        getIssuableList().vm.$emit('sort', 'updated_asc');
+
+        expect(wrapper.vm.sortedBy).toBe('updated_asc');
+        expect(wrapper.vm.fetchIssues).toHaveBeenCalled();
+      });
+
+      it('filter event sets `filterParams` value and calls fetchIssues', () => {
+        getIssuableList().vm.$emit('filter', [
+          {
+            type: 'filtered-search-term',
+            value: {
+              data: 'foo',
+            },
+          },
+        ]);
+
+        expect(wrapper.vm.filterParams).toEqual({
+          search: 'foo',
+        });
+        expect(wrapper.vm.fetchIssues).toHaveBeenCalled();
+      });
+    });
+  });
+});

ee/spec/frontend/integrations/jira/issues_list/mock_data.js

+export const mockProvide = {
+  initialState: 'opened',
+  initialSortBy: 'created_desc',
+  page: 1,
+  issuesFetchPath: '/gitlab-org/gitlab-test/-/integrations/jira/issues.json',
+  projectFullPath: 'gitlab-org/gitlab-test',
+  issueCreateUrl: 'https://gitlab-jira.atlassian.net/secure/CreateIssue!default.jspa',
+  emptyStatePath: '/assets/illustrations/issues.svg',
+};
+
+export const mockJiraIssue1 = {
+  project_id: 1,
+  title: 'Eius fuga voluptates.',
+  created_at: '2020-03-19T14:31:51.281Z',
+  updated_at: '2020-10-20T07:01:45.865Z',
+  closed_at: null,
+  status: 'Selected for Development',
+  labels: [
+    {
+      name: 'backend',
+      color: '#EBECF0',
+      text_color: '#283856',
+    },
+  ],
+  author: {
+    name: 'jhope',
+    web_url: 'https://gitlab-jira.atlassian.net/people/5e32f803e127810e82875bc1',
+  },
+  assignees: [
+    {
+      name: 'Kushal Pandya',
+    },
+  ],
+  web_url: 'https://gitlab-jira.atlassian.net/browse/IG-31596',
+  references: {
+    relative: 'IG-31596',
+  },
+  external_tracker: 'jira',
+};
+
+export const mockJiraIssue2 = {
+  project_id: 1,
+  title: 'Hic sit sint ducimus ea et sint.',
+  created_at: '2020-03-19T14:31:50.677Z',
+  updated_at: '2020-03-19T14:31:50.677Z',
+  closed_at: null,
+  status: 'Backlog',
+  labels: [],
+  author: {
+    name: 'Gabe Weaver',
+    web_url: 'https://gitlab-jira.atlassian.net/people/5e320a31fe03e20c9d1dccde',
+  },
+  assignees: [],
+  web_url: 'https://gitlab-jira.atlassian.net/browse/IG-31595',
+  references: {
+    relative: 'IG-31595',
+  },
+  external_tracker: 'jira',
+};
+
+export const mockJiraIssue3 = {
+  project_id: 1,
+  title: 'Alias ut modi est labore.',
+  created_at: '2020-03-19T14:31:50.012Z',
+  updated_at: '2020-03-19T14:31:50.012Z',
+  closed_at: null,
+  status: 'Backlog',
+  labels: [],
+  author: {
+    name: 'Gabe Weaver',
+    web_url: 'https://gitlab-jira.atlassian.net/people/5e320a31fe03e20c9d1dccde',
+  },
+  assignees: [],
+  web_url: 'https://gitlab-jira.atlassian.net/browse/IG-31594',
+  references: {
+    relative: 'IG-31594',
+  },
+  external_tracker: 'jira',
+};
+
+export const mockJiraIssues = [mockJiraIssue1, mockJiraIssue2, mockJiraIssue3];

locale/gitlab.pot

@@ -14382,6 +14382,9 @@ msgstr ""
 msgid "Integrations|Connection successful."
 msgstr ""
 
+msgid "Integrations|Create new issue in Jira"
+msgstr ""
+
 msgid "Integrations|Default settings are inherited from the group level."
 msgstr ""
 
@@ -14397,6 +14400,9 @@ msgstr ""
 msgid "Integrations|Includes commit title and branch"
 msgstr ""
 
+msgid "Integrations|Issues created in Jira are shown here once you have created the issues in project setup in Jira."
+msgstr ""
+
 msgid "Integrations|Projects using custom settings will not be impacted unless the project owner chooses to use instance-level defaults."
 msgstr ""
 
@@ -14409,9 +14415,15 @@ msgstr ""
 msgid "Integrations|Saving will update the default settings for all projects that are not using custom settings."
 msgstr ""
 
+msgid "Integrations|Search Jira issues"
+msgstr ""
+
 msgid "Integrations|Standard"
 msgstr ""
 
+msgid "Integrations|To keep this project going, create a new issue."
+msgstr ""
+
 msgid "Integrations|Update your projects on Packagist, the main Composer repository"
 msgstr ""
 

spec/frontend/issuable_list/components/issuable_item_spec.js

@@ -261,6 +261,24 @@ describe('IssuableItem', () => {
       expect(authorEl.text()).toBe(mockAuthor.name);
     });
 
+    it('renders issuable author info via slot', () => {
+      const wrapperWithAuthorSlot = createComponent({
+        issuableSymbol: '#',
+        issuable: mockIssuable,
+        slots: {
+          reference: `
+            <span class="js-author">${mockAuthor.name}</span>
+          `,
+        },
+      });
+      const authorEl = wrapperWithAuthorSlot.find('.js-author');
+
+      expect(authorEl.exists()).toBe(true);
+      expect(authorEl.text()).toBe(mockAuthor.name);
+
+      wrapperWithAuthorSlot.destroy();
+    });
+
     it('renders gl-label component for each label present within `issuable` prop', () => {
       const labelsEl = wrapper.findAll(GlLabel);
 

spec/frontend/issuable_list/components/issuable_list_root_spec.js

 import { mount } from '@vue/test-utils';
-import { GlLoadingIcon, GlPagination } from '@gitlab/ui';
+import { GlSkeletonLoading, GlPagination } from '@gitlab/ui';
 
 import { TEST_HOST } from 'helpers/test_constants';
 
@@ -34,6 +34,31 @@ describe('IssuableListRoot', () => {
     wrapper.destroy();
   });
 
+  describe('computed', () => {
+    describe('skeletonItemCount', () => {
+      it.each`
+        totalItems | defaultPageSize | currentPage | returnValue
+        ${100}     | ${20}           | ${1}        | ${20}
+        ${105}     | ${20}           | ${6}        | ${5}
+        ${7}       | ${20}           | ${1}        | ${7}
+        ${0}       | ${20}           | ${1}        | ${5}
+      `(
+        'returns $returnValue when totalItems is $totalItems, defaultPageSize is $defaultPageSize and currentPage is $currentPage',
+        async ({ totalItems, defaultPageSize, currentPage, returnValue }) => {
+          wrapper.setProps({
+            totalItems,
+            defaultPageSize,
+            currentPage,
+          });
+
+          await wrapper.vm.$nextTick();
+
+          expect(wrapper.vm.skeletonItemCount).toBe(returnValue);
+        },
+      );
+    });
+  });
+
   describe('watch', () => {
     describe('urlParams', () => {
       it('updates window URL reflecting props within `urlParams`', async () => {
@@ -111,7 +136,7 @@ describe('IssuableListRoot', () => {
 
       await wrapper.vm.$nextTick();
 
-      expect(wrapper.find(GlLoadingIcon).exists()).toBe(true);
+      expect(wrapper.findAll(GlSkeletonLoading)).toHaveLength(wrapper.vm.skeletonItemCount);
     });
 
     it('renders issuable-item component for each item within `issuables` array', () => {
@@ -139,7 +164,7 @@ describe('IssuableListRoot', () => {
     it('renders gl-pagination when `showPaginationControls` prop is true', async () => {
       wrapper.setProps({
         showPaginationControls: true,
-        totalPages: 10,
+        totalItems: 10,
       });
 
       await wrapper.vm.$nextTick();