Merge branch '273797-multi-schedules' into 'master'

Create multiple schedules [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!59829

config/feature_flags/development/multiple_oncall_schedules.yml

+---
+name: multiple_oncall_schedules
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/59829
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/328474
+milestone: '13.11'
+type: development
+group: group::monitor
+default_enabled: false

doc/api/graphql/reference/index.md

@@ -10563,7 +10563,6 @@ Represents vulnerability finding of a security report on the pipeline.
 | <a id="projecthttpurltorepo"></a>`httpUrlToRepo` | [`String`](#string) | URL to connect to the project via HTTPS. |
 | <a id="projectid"></a>`id` | [`ID!`](#id) | ID of the project. |
 | <a id="projectimportstatus"></a>`importStatus` | [`String`](#string) | Status of import background job of the project. |
-| <a id="projectincidentmanagementoncallschedules"></a>`incidentManagementOncallSchedules` | [`IncidentManagementOncallScheduleConnection`](#incidentmanagementoncallscheduleconnection) | Incident Management On-call schedules of the project. |
 | <a id="projectissuesenabled"></a>`issuesEnabled` | [`Boolean`](#boolean) | Indicates if Issues are enabled for the current user. |
 | <a id="projectjiraimportstatus"></a>`jiraImportStatus` | [`String`](#string) | Status of Jira import background job of the project. |
 | <a id="projectjiraimports"></a>`jiraImports` | [`JiraImportConnection`](#jiraimportconnection) | Jira imports into the project. |
@@ -10823,6 +10822,22 @@ four standard [pagination arguments](#connection-pagination-arguments):
 | <a id="projectenvironmentssearch"></a>`search` | [`String`](#string) | Search query for environment name. |
 | <a id="projectenvironmentsstates"></a>`states` | [`[String!]`](#string) | States of environments that should be included in result. |
 
+##### `Project.incidentManagementOncallSchedules`
+
+Incident Management On-call schedules of the project.
+
+Returns [`IncidentManagementOncallScheduleConnection`](#incidentmanagementoncallscheduleconnection).
+
+This field returns a [connection](#connections). It accepts the
+four standard [pagination arguments](#connection-pagination-arguments):
+`before: String`, `after: String`, `first: Int`, `last: Int`.
+
+###### Arguments
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| <a id="projectincidentmanagementoncallschedulesiids"></a>`iids` | [`[ID!]`](#id) | IIDs of on-call schedules. |
+
 ##### `Project.issue`
 
 A single issue of the project.

ee/app/assets/javascripts/oncall_schedules/components/oncall_schedule.vue

 <script>
-import { GlCard, GlButtonGroup, GlButton, GlModalDirective, GlTooltipDirective } from '@gitlab/ui';
+import {
+  GlButton,
+  GlButtonGroup,
+  GlCard,
+  GlCollapse,
+  GlModalDirective,
+  GlTooltipDirective,
+} from '@gitlab/ui';
 import * as Sentry from '@sentry/browser';
 import { capitalize } from 'lodash';
 import {
@@ -11,11 +18,17 @@ import {
   nDaysAfter,
 } from '~/lib/utils/datetime_utility';
 import { s__ } from '~/locale';
-import { addRotationModalId, editRotationModalId, PRESET_TYPES } from '../constants';
+import {
+  addRotationModalId,
+  deleteRotationModalId,
+  editRotationModalId,
+  PRESET_TYPES,
+} from '../constants';
 import getShiftsForRotations from '../graphql/queries/get_oncall_schedules_with_rotations_shifts.query.graphql';
 import EditScheduleModal from './add_edit_schedule_modal.vue';
 import DeleteScheduleModal from './delete_schedule_modal.vue';
 import AddEditRotationModal from './rotations/components/add_edit_rotation_modal.vue';
+import DeleteRotationModal from './rotations/components/delete_rotation_modal.vue';
 import RotationsListSection from './schedule/components/rotations_list_section.vue';
 import ScheduleTimelineSection from './schedule/components/schedule_timeline_section.vue';
 import { getTimeframeForWeeksView, selectedTimezoneFormattedOffset } from './schedule/utils';
@@ -31,6 +44,8 @@ export const i18n = {
     DAYS: s__('OnCallSchedules|1 day'),
     WEEKS: s__('OnCallSchedules|2 weeks'),
   },
+  scheduleOpen: s__('OnCallSchedules|Expand schedule'),
+  scheduleClose: s__('OnCallSchedules|Collapse schedule'),
 };
 export const editScheduleModalId = 'editScheduleModal';
 export const deleteScheduleModalId = 'deleteScheduleModal';
@@ -40,13 +55,16 @@ export default {
   addRotationModalId,
   editRotationModalId,
   editScheduleModalId,
+  deleteRotationModalId,
   deleteScheduleModalId,
   PRESET_TYPES,
   components: {
     GlButton,
     GlButtonGroup,
     GlCard,
+    GlCollapse,
     AddEditRotationModal,
+    DeleteRotationModal,
     DeleteScheduleModal,
     EditScheduleModal,
     RotationsListSection,
@@ -78,11 +96,12 @@ export default {
           projectPath: this.projectPath,
           startsAt,
           endsAt,
+          iids: [this.schedule.iid],
         };
       },
       update(data) {
         const nodes = data.project?.incidentManagementOncallSchedules?.nodes ?? [];
-        const schedule = nodes.length ? nodes[nodes.length - 1] : null;
+        const [schedule] = nodes;
         return schedule?.rotations.nodes ?? [];
       },
       error(error) {
@@ -96,9 +115,25 @@ export default {
       timeframeStartDate: getStartOfWeek(new Date()),
       rotations: this.schedule.rotations.nodes,
       rotationToUpdate: {},
+      scheduleVisible: true,
     };
   },
   computed: {
+    addRotationModalId() {
+      return `${this.$options.addRotationModalId}-${this.schedule.iid}`;
+    },
+    deleteScheduleModalId() {
+      return `${this.$options.deleteScheduleModalId}-${this.schedule.iid}`;
+    },
+    deleteRotationModalId() {
+      return `${this.$options.deleteRotationModalId}-${this.schedule.iid}`;
+    },
+    editScheduleModalId() {
+      return `${this.$options.editScheduleModalId}-${this.schedule.iid}`;
+    },
+    editRotationModalId() {
+      return `${this.$options.editRotationModalId}-${this.schedule.iid}`;
+    },
     loading() {
       return this.$apollo.queries.rotations.loading;
     },
@@ -129,6 +164,14 @@ export default {
       }
       return `${this.schedule.timezone} | ${this.offset}`;
     },
+    scheduleVisibleAriaLabel() {
+      return this.scheduleVisible
+        ? this.$options.i18n.scheduleOpen
+        : this.$options.i18n.scheduleClose;
+    },
+    scheduleVisibleAngleIcon() {
+      return this.scheduleVisible ? 'angle-up' : 'angle-down';
+    },
     selectedTimezone() {
       return this.timezones.find((tz) => tz.identifier === this.schedule.timezone);
     },
@@ -190,22 +233,29 @@ export default {
           <span class="gl-font-weight-bold gl-font-lg">{{ schedule.name }}</span>
           <gl-button-group>
             <gl-button
-              v-gl-modal="$options.editScheduleModalId"
+              v-gl-modal="editScheduleModalId"
               v-gl-tooltip
               :title="$options.i18n.editScheduleLabel"
               icon="pencil"
               :aria-label="$options.i18n.editScheduleLabel"
             />
             <gl-button
-              v-gl-modal="$options.deleteScheduleModalId"
+              v-gl-modal="deleteScheduleModalId"
               v-gl-tooltip
               :title="$options.i18n.deleteScheduleLabel"
               icon="remove"
               :aria-label="$options.i18n.deleteScheduleLabel"
             />
+            <gl-button
+              v-gl-tooltip
+              :icon="scheduleVisibleAngleIcon"
+              :aria-label="scheduleVisibleAriaLabel"
+              @click="scheduleVisible = !scheduleVisible"
+            />
           </gl-button-group>
         </div>
       </template>
+      <gl-collapse :visible="scheduleVisible">
         <p class="gl-text-gray-500 gl-mb-5" data-testid="scheduleBody">
           {{ scheduleInfo }}
         </p>
@@ -249,12 +299,11 @@ export default {
               data-testid="rotationsHeader"
             >
               <h6 class="gl-m-0">{{ $options.i18n.rotationTitle }}</h6>
-            <gl-button v-gl-modal="$options.addRotationModalId" variant="link"
+              <gl-button v-gl-modal="addRotationModalId" variant="link"
                 >{{ $options.i18n.addARotation }}
               </gl-button>
             </div>
           </template>
-
           <div class="schedule-shell" data-testid="rotationsBody">
             <schedule-timeline-section :preset-type="presetType" :timeframe="timeframe" />
             <rotations-list-section
@@ -267,24 +316,29 @@ export default {
             />
           </div>
         </gl-card>
+      </gl-collapse>
     </gl-card>
-    <delete-schedule-modal :schedule="schedule" :modal-id="$options.deleteScheduleModalId" />
-    <edit-schedule-modal
-      :schedule="schedule"
-      :modal-id="$options.editScheduleModalId"
-      is-edit-mode
-    />
+    <div v-if="scheduleVisible">
+      <delete-schedule-modal :schedule="schedule" :modal-id="deleteScheduleModalId" />
+      <edit-schedule-modal :schedule="schedule" :modal-id="editScheduleModalId" is-edit-mode />
       <add-edit-rotation-modal
         :schedule="schedule"
-      :modal-id="$options.addRotationModalId"
+        :modal-id="addRotationModalId"
         @fetch-rotation-shifts="fetchRotationShifts"
       />
       <add-edit-rotation-modal
         :schedule="schedule"
-      :modal-id="$options.editRotationModalId"
+        :modal-id="editRotationModalId"
         :rotation="rotationToUpdate"
         is-edit-mode
         @fetch-rotation-shifts="fetchRotationShifts"
       />
+      <delete-rotation-modal
+        :rotation="rotationToUpdate"
+        :schedule="schedule"
+        :modal-id="deleteRotationModalId"
+        @fetch-rotation-shifts="fetchRotationShifts"
+      />
+    </div>
   </div>
 </template>

ee/app/assets/javascripts/oncall_schedules/components/oncall_schedules_wrapper.vue

 <script>
-import { GlAlert, GlButton, GlEmptyState, GlLoadingIcon, GlModalDirective } from '@gitlab/ui';
+import {
+  GlAlert,
+  GlButton,
+  GlEmptyState,
+  GlLoadingIcon,
+  GlModalDirective,
+  GlTooltipDirective,
+} from '@gitlab/ui';
 import * as Sentry from '@sentry/browser';
 import { s__ } from '~/locale';
+import glFeatureFlagMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
 import getOncallSchedulesWithRotationsQuery from '../graphql/queries/get_oncall_schedules.query.graphql';
 import AddScheduleModal from './add_edit_schedule_modal.vue';
 import OncallSchedule from './oncall_schedule.vue';
@@ -10,10 +18,13 @@ export const addScheduleModalId = 'addScheduleModal';
 
 export const i18n = {
   title: s__('OnCallSchedules|On-call schedules'),
+  add: {
+    button: s__('OnCallSchedules|Add a schedule'),
+    tooltip: s__('OnCallSchedules|Add an additional schedule to your project'),
+  },
   emptyState: {
     title: s__('OnCallSchedules|Create on-call schedules  in GitLab'),
     description: s__('OnCallSchedules|Route alerts directly to specific members of your team'),
-    button: s__('OnCallSchedules|Add a schedule'),
   },
   successNotification: {
     title: s__('OnCallSchedules|Try adding a rotation'),
@@ -36,16 +47,18 @@ export default {
   },
   directives: {
     GlModal: GlModalDirective,
+    GlTooltip: GlTooltipDirective,
   },
+  mixins: [glFeatureFlagMixin()],
   inject: ['emptyOncallSchedulesSvgPath', 'projectPath'],
   data() {
     return {
-      schedule: {},
+      schedules: [],
       showSuccessNotification: false,
     };
   },
   apollo: {
-    schedule: {
+    schedules: {
       query: getOncallSchedulesWithRotationsQuery,
       variables() {
         return {
@@ -54,7 +67,10 @@ export default {
       },
       update(data) {
         const nodes = data.project?.incidentManagementOncallSchedules?.nodes ?? [];
-        return nodes.length ? nodes[nodes.length - 1] : null;
+        if (this.glFeatures.multipleOncallSchedules) {
+          return nodes;
+        }
+        return nodes.length ? [nodes[nodes.length - 1]] : [];
       },
       error(error) {
         Sentry.captureException(error);
@@ -63,7 +79,10 @@ export default {
   },
   computed: {
     isLoading() {
-      return this.$apollo.queries.schedule.loading;
+      return this.$apollo.queries.schedules.loading;
+    },
+    hasSchedules() {
+      return this.schedules.length;
     },
   },
 };
@@ -73,8 +92,23 @@ export default {
   <div>
     <gl-loading-icon v-if="isLoading" size="lg" class="gl-mt-3" />
 
-    <template v-else-if="schedule">
+    <template v-else-if="hasSchedules">
+      <div class="gl-display-flex gl-justify-content-space-between gl-align-items-center">
         <h2>{{ $options.i18n.title }}</h2>
+        <gl-button
+          v-if="glFeatures.multipleOncallSchedules"
+          v-gl-modal="$options.addScheduleModalId"
+          v-gl-tooltip.left.viewport.hover
+          :title="$options.i18n.add.tooltip"
+          :aria-label="$options.i18n.add.tooltip"
+          category="secondary"
+          variant="confirm"
+          class="gl-mt-5"
+          data-testid="add-additional-schedules-button"
+        >
+          {{ $options.i18n.add.button }}
+        </gl-button>
+      </div>
       <gl-alert
         v-if="showSuccessNotification"
         variant="tip"
@@ -84,7 +118,7 @@ export default {
       >
         {{ $options.i18n.successNotification.description }}
       </gl-alert>
-      <oncall-schedule :schedule="schedule" />
+      <oncall-schedule v-for="schedule in schedules" :key="schedule.iid" :schedule="schedule" />
     </template>
 
     <gl-empty-state
@@ -94,8 +128,8 @@ export default {
       :svg-path="emptyOncallSchedulesSvgPath"
     >
       <template #actions>
-        <gl-button v-gl-modal="$options.addScheduleModalId" variant="info">
-          {{ $options.i18n.emptyState.button }}
+        <gl-button v-gl-modal="$options.addScheduleModalId" variant="confirm">
+          {{ $options.i18n.add.button }}
         </gl-button>
       </template>
     </gl-empty-state>

ee/app/assets/javascripts/oncall_schedules/components/rotations/components/delete_rotation_modal.vue

@@ -29,8 +29,8 @@ export default {
       validator: (rotation) =>
         isEmpty(rotation) || [rotation.id, rotation.name, rotation.startsAt].every(Boolean),
     },
-    scheduleIid: {
-      type: String,
+    schedule: {
+      type: Object,
       required: true,
     },
     modalId: {
@@ -65,7 +65,7 @@ export default {
       const {
         projectPath,
         rotation: { id },
-        scheduleIid,
+        schedule: { iid },
       } = this;
 
       this.loading = true;
@@ -74,14 +74,14 @@ export default {
           mutation: destroyOncallRotationMutation,
           variables: {
             id,
-            scheduleIid,
+            scheduleIid: iid,
             projectPath,
           },
           update(store, { data }) {
             updateStoreAfterRotationDelete(
               store,
               getOncallSchedulesQuery,
-              { ...data, scheduleIid },
+              { ...data, scheduleIid: iid },
               {
                 projectPath,
               },
@@ -93,6 +93,7 @@ export default {
           if (error) {
             throw error;
           }
+          this.$emit('fetch-rotation-shifts');
           this.$refs.deleteRotationModal.hide();
         })
         .catch((error) => {

ee/app/assets/javascripts/oncall_schedules/components/schedule/components/rotations_list_section.vue

@@ -6,7 +6,6 @@ import {
   GlTooltipDirective,
   GlModalDirective,
 } from '@gitlab/ui';
-import DeleteRotationModal from 'ee/oncall_schedules/components/rotations/components/delete_rotation_modal.vue';
 import ScheduleShiftWrapper from 'ee/oncall_schedules/components/schedule/components/shifts/components/schedule_shift_wrapper.vue';
 import {
   editRotationModalId,
@@ -31,7 +30,6 @@ export default {
     GlButtonGroup,
     GlLoadingIcon,
     CurrentDayIndicator,
-    DeleteRotationModal,
     ScheduleShiftWrapper,
   },
   directives: {
@@ -67,6 +65,12 @@ export default {
     };
   },
   computed: {
+    editRotationModalId() {
+      return `${this.$options.editRotationModalId}-${this.scheduleIid}`;
+    },
+    deleteRotationModalId() {
+      return `${this.$options.deleteRotationModalId}-${this.scheduleIid}`;
+    },
     timelineStyles() {
       return {
         width: `calc(${100}% - ${TIMELINE_CELL_WIDTH}px)`,
@@ -117,7 +121,7 @@ export default {
           >
           <gl-button-group class="gl-px-2">
             <gl-button
-              v-gl-modal="$options.editRotationModalId"
+              v-gl-modal="editRotationModalId"
               v-gl-tooltip
               category="tertiary"
               :title="$options.i18n.editRotationLabel"
@@ -126,7 +130,7 @@ export default {
               @click="setRotationToUpdate(rotation)"
             />
             <gl-button
-              v-gl-modal="$options.deleteRotationModalId"
+              v-gl-modal="deleteRotationModalId"
               v-gl-tooltip
               category="tertiary"
               :title="$options.i18n.deleteRotationLabel"
@@ -155,11 +159,5 @@ export default {
         </span>
       </div>
     </div>
-    <delete-rotation-modal
-      :rotation="rotationToUpdate"
-      :schedule-iid="scheduleIid"
-      :modal-id="$options.deleteRotationModalId"
-      @set-rotation-to-update="setRotationToUpdate"
-    />
   </div>
 </template>

ee/app/assets/javascripts/oncall_schedules/components/schedule/components/schedule_timeline_section.vue

@@ -34,11 +34,16 @@ export default {
   },
   methods: {
     updateShiftStyles() {
+      const timelineWidth = this.$refs.timelineHeaderWrapper.getBoundingClientRect().width;
+      // Don't re-size the schedule grid if we collapse another schedule
+      if (timelineWidth === 0) {
+        return;
+      }
+
       this.$apollo.mutate({
         mutation: updateTimelineWidthMutation,
         variables: {
-          timelineWidth:
-            this.$refs.timelineHeaderWrapper.getBoundingClientRect().width - TIMELINE_CELL_WIDTH,
+          timelineWidth: timelineWidth - TIMELINE_CELL_WIDTH,
         },
       });
     },

ee/app/assets/javascripts/oncall_schedules/graphql/queries/get_oncall_schedules_with_rotations_shifts.query.graphql

 #import "../fragments/oncall_schedule_rotation_with_shifts.fragment.graphql"
 
-query getShiftsForRotations($projectPath: ID!, $startsAt: Time!, $endsAt: Time!) {
+query getShiftsForRotations($projectPath: ID!, $startsAt: Time!, $endsAt: Time!, $iids: [ID!]) {
   project(fullPath: $projectPath) {
-    incidentManagementOncallSchedules {
+    incidentManagementOncallSchedules(iids: $iids) {
       nodes {
         rotations {
           nodes {

ee/app/assets/javascripts/oncall_schedules/utils/cache_updates.js

@@ -48,7 +48,7 @@ const deleteScheduleFromStore = (store, query, { oncallScheduleDestroy }, variab
 
   const data = produce(sourceData, (draftData) => {
     draftData.project.incidentManagementOncallSchedules.nodes = draftData.project.incidentManagementOncallSchedules.nodes.filter(
-      ({ id }) => id !== schedule.id,
+      ({ iid }) => iid !== schedule.iid,
     );
   });
 

ee/app/controllers/projects/incident_management/oncall_schedules_controller.rb

@@ -4,6 +4,9 @@ module Projects
   module IncidentManagement
     class OncallSchedulesController < Projects::ApplicationController
       before_action :authorize_read_incident_management_oncall_schedule!
+      before_action do
+        push_frontend_feature_flag(:multiple_oncall_schedules, @project)
+      end
 
       feature_category :incident_management
 

ee/app/graphql/resolvers/incident_management/oncall_schedule_resolver.rb

@@ -10,8 +10,12 @@ module Resolvers
 
       type Types::IncidentManagement::OncallScheduleType.connection_type, null: true
 
+      argument :iids, [GraphQL::ID_TYPE],
+               required: false,
+               description: 'IIDs of on-call schedules.'
+
       def resolve_with_lookahead(**args)
-        apply_lookahead(::IncidentManagement::OncallSchedulesFinder.new(context[:current_user], project).execute)
+        apply_lookahead(::IncidentManagement::OncallSchedulesFinder.new(context[:current_user], project, iid: args[:iids]).execute)
       end
 
       private

ee/spec/frontend/oncall_schedule/oncall_schedule_wrapper_spec.js

@@ -8,6 +8,8 @@ import OnCallScheduleWrapper, {
 } from 'ee/oncall_schedules/components/oncall_schedules_wrapper.vue';
 import getOncallSchedulesWithRotationsQuery from 'ee/oncall_schedules/graphql/queries/get_oncall_schedules.query.graphql';
 import createMockApollo from 'helpers/mock_apollo_helper';
+import { createMockDirective, getBinding } from 'helpers/vue_mock_directive';
+import { extendedWrapper } from 'helpers/vue_test_utils_helper';
 import { preExistingSchedule, newlyCreatedSchedule } from './mocks/apollo_mock';
 
 const localVue = createLocalVue();
@@ -17,27 +19,33 @@ describe('On-call schedule wrapper', () => {
   const emptyOncallSchedulesSvgPath = 'illustration/path.svg';
   const projectPath = 'group/project';
 
-  function mountComponent({ loading, schedule } = {}) {
+  function mountComponent({ loading, schedules, multipleOncallSchedules = false } = {}) {
     const $apollo = {
       queries: {
-        schedule: {
+        schedules: {
           loading,
         },
       },
     };
 
-    wrapper = shallowMount(OnCallScheduleWrapper, {
+    wrapper = extendedWrapper(
+      shallowMount(OnCallScheduleWrapper, {
         data() {
           return {
-          schedule,
+            schedules,
           };
         },
         provide: {
           emptyOncallSchedulesSvgPath,
           projectPath,
+          glFeatures: { multipleOncallSchedules },
+        },
+        directives: {
+          GlTooltip: createMockDirective(),
         },
         mocks: { $apollo },
-    });
+      }),
+    );
   }
 
   let getOncallSchedulesQuerySpy;
@@ -53,7 +61,7 @@ describe('On-call schedule wrapper', () => {
       apolloProvider: fakeApollo,
       data() {
         return {
-          schedule: {},
+          schedules: [],
         };
       },
       provide: {
@@ -71,9 +79,10 @@ describe('On-call schedule wrapper', () => {
 
   const findLoader = () => wrapper.findComponent(GlLoadingIcon);
   const findEmptyState = () => wrapper.findComponent(GlEmptyState);
-  const findSchedule = () => wrapper.findComponent(OnCallSchedule);
+  const findSchedules = () => wrapper.findAllComponents(OnCallSchedule);
   const findAlert = () => wrapper.findComponent(GlAlert);
   const findModal = () => wrapper.findComponent(AddScheduleModal);
+  const findAddAdditionalButton = () => wrapper.findByTestId('add-additional-schedules-button');
 
   it('shows a loader while data is requested', () => {
     mountComponent({ loading: true });
@@ -81,7 +90,7 @@ describe('On-call schedule wrapper', () => {
   });
 
   it('shows empty state and passed correct attributes to it when not loading and no schedule', () => {
-    mountComponent({ loading: false, schedule: null });
+    mountComponent({ loading: false, schedules: [] });
     const emptyState = findEmptyState();
 
     expect(emptyState.exists()).toBe(true);
@@ -94,13 +103,14 @@ describe('On-call schedule wrapper', () => {
 
   describe('Schedule created', () => {
     beforeEach(() => {
-      mountComponent({ loading: false, schedule: { name: 'monitor rotation' } });
+      mountComponent({ loading: false, schedules: [{ name: 'monitor rotation' }] });
     });
 
     it('renders the schedule when data received ', () => {
+      const schedule = findSchedules().at(0);
       expect(findLoader().exists()).toBe(false);
       expect(findEmptyState().exists()).toBe(false);
-      expect(findSchedule().exists()).toBe(true);
+      expect(schedule.exists()).toBe(true);
     });
 
     it('shows success alert', async () => {
@@ -112,8 +122,9 @@ describe('On-call schedule wrapper', () => {
     });
 
     it('renders a newly created schedule', async () => {
+      const schedule = findSchedules().at(0);
       await findModal().vm.$emit('scheduleCreated');
-      expect(findSchedule().exists()).toBe(true);
+      expect(schedule.exists()).toBe(true);
     });
   });
 
@@ -134,7 +145,31 @@ describe('On-call schedule wrapper', () => {
       mountComponentWithApollo();
       jest.runOnlyPendingTimers();
       await wrapper.vm.$nextTick();
-      expect(findSchedule().props('schedule')).toEqual(newlyCreatedSchedule);
+      const schedule = findSchedules().at(0);
+      expect(schedule.props('schedule')).toEqual(newlyCreatedSchedule);
+    });
+  });
+
+  describe('when multiple schedules are allowed to be shown', () => {
+    beforeEach(() => {
+      mountComponent({
+        loading: false,
+        schedules: [{ name: 'monitor rotation' }, { name: 'monitor rotation 2' }],
+        multipleOncallSchedules: true,
+      });
+    });
+
+    it('renders the schedules when data received ', () => {
+      expect(findLoader().exists()).toBe(false);
+      expect(findEmptyState().exists()).toBe(false);
+      expect(findSchedules()).toHaveLength(2);
+    });
+
+    it('renders an add button with a tooltip for additional schedules ', () => {
+      const button = findAddAdditionalButton();
+      expect(button.exists()).toBe(true);
+      const tooltip = getBinding(button.element, 'gl-tooltip');
+      expect(tooltip).toBeDefined();
     });
   });
 });

ee/spec/frontend/oncall_schedule/rotations/components/delete_rotation_modal_spec.js

@@ -13,7 +13,6 @@ import {
   getOncallSchedulesQueryResponse,
   destroyRotationResponse,
   destroyRotationResponseWithErrors,
-  scheduleIid,
 } from '../../mocks/apollo_mock';
 import mockRotations from '../../mocks/mock_rotation.json';
 
@@ -22,6 +21,8 @@ const projectPath = 'group/project';
 const mutate = jest.fn();
 const mockHideModal = jest.fn();
 const rotation = mockRotations[0];
+const schedule =
+  getOncallSchedulesQueryResponse.data.project.incidentManagementOncallSchedules.nodes[0];
 
 describe('DeleteRotationModal', () => {
   let wrapper;
@@ -51,7 +52,7 @@ describe('DeleteRotationModal', () => {
       },
       propsData: {
         modalId: deleteRotationModalId,
-        scheduleIid,
+        schedule,
         rotation,
         ...props,
       },
@@ -95,7 +96,7 @@ describe('DeleteRotationModal', () => {
       propsData: {
         rotation,
         modalId: deleteRotationModalId,
-        scheduleIid,
+        schedule,
       },
       provide: {
         projectPath,
@@ -128,7 +129,7 @@ describe('DeleteRotationModal', () => {
       expect(mutate).toHaveBeenCalledWith({
         mutation: expect.any(Object),
         update: expect.anything(),
-        variables: { id: rotation.id, projectPath, scheduleIid },
+        variables: { id: rotation.id, projectPath, scheduleIid: schedule.iid },
       });
     });
 

ee/spec/frontend/oncall_schedule/schedule/components/__snapshots__/rotations_list_section_spec.js.snap

@@ -165,7 +165,5 @@ exports[`RotationsListSectionComponent when the timeframe includes today renders
       </span>
     </div>
   </div>
-   
-  <!---->
 </div>
 `;

ee/spec/graphql/resolvers/incident_management/oncall_schedule_resolver_spec.rb

@@ -8,6 +8,7 @@ RSpec.describe Resolvers::IncidentManagement::OncallScheduleResolver do
   let_it_be(:current_user) { create(:user) }
   let_it_be(:project) { create(:project) }
   let_it_be(:oncall_schedule) { create(:incident_management_oncall_schedule, project: project) }
+  let_it_be(:oncall_schedule_2) { create(:incident_management_oncall_schedule, project: project) }
 
   subject { sync(resolve_oncall_schedules) }
 
@@ -21,7 +22,21 @@ RSpec.describe Resolvers::IncidentManagement::OncallScheduleResolver do
   end
 
   it 'returns on-call schedules' do
-    is_expected.to contain_exactly(oncall_schedule)
+    is_expected.to contain_exactly(oncall_schedule, oncall_schedule_2)
+  end
+
+  context 'finding by iid' do
+    it 'by single iid' do
+      expect(resolve_oncall_schedules(iids: [oncall_schedule.iid])).to contain_exactly(oncall_schedule)
+    end
+
+    it 'by multiple iids' do
+      expect(resolve_oncall_schedules(iids: [oncall_schedule.iid, oncall_schedule_2.iid])).to contain_exactly(oncall_schedule, oncall_schedule_2)
+    end
+
+    it 'by no iids' do
+      expect(resolve_oncall_schedules(iids: [])).to match_array([])
+    end
   end
 
   private

ee/spec/requests/api/graphql/project/incident_management/oncall_schedules_spec.rb

@@ -72,6 +72,7 @@ RSpec.describe 'getting Incident Management on-call schedules' do
 
     context 'with on-call schedules' do
       let!(:oncall_schedule) { create(:incident_management_oncall_schedule, project: project) }
+      let(:first_oncall_schedule) { oncall_schedules.first }
       let(:last_oncall_schedule) { oncall_schedules.last }
 
       before do
@@ -88,6 +89,15 @@ RSpec.describe 'getting Incident Management on-call schedules' do
           'timezone' => oncall_schedule.timezone
         )
       end
+
+      context 'with an array of iids given' do
+        let(:params) { { iids: [oncall_schedule.iid.to_s] } }
+
+        it_behaves_like 'a working graphql query'
+
+        it { expect(oncall_schedules.size).to eq(1) }
+        it { expect(first_oncall_schedule['iid']).to eq(oncall_schedule.iid.to_s) }
+      end
     end
   end
 end

locale/gitlab.pot

@@ -22409,6 +22409,9 @@ msgstr ""
 msgid "OnCallSchedules|Add a schedule"
 msgstr ""
 
+msgid "OnCallSchedules|Add an additional schedule to your project"
+msgstr ""
+
 msgid "OnCallSchedules|Add rotation"
 msgstr ""
 
@@ -22421,6 +22424,9 @@ msgstr ""
 msgid "OnCallSchedules|Are you sure you want to delete the \"%{deleteSchedule}\" schedule? This action cannot be undone."
 msgstr ""
 
+msgid "OnCallSchedules|Collapse schedule"
+msgstr ""
+
 msgid "OnCallSchedules|Create on-call schedules  in GitLab"
 msgstr ""
 
@@ -22442,6 +22448,9 @@ msgstr ""
 msgid "OnCallSchedules|Enable end date"
 msgstr ""
 
+msgid "OnCallSchedules|Expand schedule"
+msgstr ""
+
 msgid "OnCallSchedules|Failed to add rotation"
 msgstr ""