Add support for creating Requirements

Adds UI support for creating requirements from
Requirements List page.

ee/app/assets/javascripts/requirements/components/requirement_form.vue

+<script>
+import { GlFormGroup, GlFormTextarea, GlDeprecatedButton } from '@gitlab/ui';
+import { isEmpty } from 'lodash';
+import { __ } from '~/locale';
+
+export default {
+  components: {
+    GlFormGroup,
+    GlFormTextarea,
+    GlDeprecatedButton,
+  },
+  props: {
+    requirement: {
+      type: Object,
+      required: false,
+      default: null,
+    },
+    requirementRequestActive: {
+      type: Boolean,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      isCreate: isEmpty(this.requirement),
+      title: this.requirement?.title || '',
+    };
+  },
+  computed: {
+    fieldLabel() {
+      return this.isCreate ? __('New requirement') : __('Requirement');
+    },
+    saveButtonLabel() {
+      return this.isCreate ? __('Create requirement') : __('Save changes');
+    },
+    disableSaveButton() {
+      return this.title === '' || this.requirementRequestActive;
+    },
+  },
+  methods: {
+    handleSave() {
+      if (this.isCreate) {
+        this.$emit('save', this.title);
+      } else {
+        this.$emit('save', {
+          iid: this.requirement.iid,
+          title: this.title,
+        });
+      }
+    },
+  },
+};
+</script>
+
+<template>
+  <div class="requirement-form" :class="{ 'p-3 border-bottom': isCreate }">
+    <gl-form-group :label="fieldLabel" label-for="requirementTitle">
+      <gl-form-textarea
+        id="requirementTitle"
+        v-model.trim="title"
+        autofocus
+        resize
+        :disabled="requirementRequestActive"
+        :placeholder="__('Describe the requirement here')"
+        max-rows="25"
+        class="requirement-form-textarea"
+        @keyup.escape.exact="$emit('cancel')"
+      />
+    </gl-form-group>
+    <div class="d-flex requirement-form-actions">
+      <gl-deprecated-button
+        :disabled="disableSaveButton"
+        :loading="requirementRequestActive"
+        category="primary"
+        variant="success"
+        class="mr-auto js-requirement-save"
+        @click="handleSave"
+        >{{ saveButtonLabel }}</gl-deprecated-button
+      >
+      <gl-deprecated-button class="js-requirement-cancel" @click="$emit('cancel')">{{
+        __('Cancel')
+      }}</gl-deprecated-button>
+    </div>
+  </div>
+</template>

ee/app/assets/javascripts/requirements/components/requirements_root.vue

@@ -9,7 +9,10 @@ import { updateHistory, setUrlParams } from '~/lib/utils/url_utility';
 import RequirementsLoading from './requirements_loading.vue';
 import RequirementsEmptyState from './requirements_empty_state.vue';
 import RequirementItem from './requirement_item.vue';
+import RequirementForm from './requirement_form.vue';
+
 import projectRequirements from '../queries/projectRequirements.query.graphql';
+import createRequirement from '../queries/createRequirement.mutation.graphql';
 
 import { FilterState, DEFAULT_PAGE_SIZE } from '../constants';
 
@@ -20,6 +23,7 @@ export default {
     RequirementsLoading,
     RequirementsEmptyState,
     RequirementItem,
+    RequirementForm,
   },
   props: {
     projectPath: {
@@ -50,10 +54,6 @@ export default {
       required: false,
       default: '',
     },
-    showCreateRequirement: {
-      type: Boolean,
-      required: true,
-    },
     emptyStatePath: {
       type: String,
       required: true,
@@ -105,6 +105,8 @@ export default {
   },
   data() {
     return {
+      showCreateForm: false,
+      createRequirementRequestActive: false,
       currentPage: this.page,
       prevPageCursor: this.prev,
       nextPageCursor: this.next,
@@ -136,6 +138,16 @@ export default {
       return nextPage > Math.ceil(this.totalRequirements / DEFAULT_PAGE_SIZE) ? null : nextPage;
     },
   },
+  mounted() {
+    document
+      .querySelector('.js-new-requirement')
+      .addEventListener('click', this.handleNewRequirementClick);
+  },
+  beforeDestroy() {
+    document
+      .querySelector('.js-new-requirement')
+      .removeEventListener('click', this.handleNewRequirementClick);
+  },
   methods: {
     /**
      * Update browser URL with updated query-param values
@@ -166,6 +178,40 @@ export default {
         replace: true,
       });
     },
+    handleNewRequirementClick() {
+      this.showCreateForm = true;
+    },
+    handleNewRequirementSave(title) {
+      this.createRequirementRequestActive = true;
+      return this.$apollo
+        .mutate({
+          mutation: createRequirement,
+          variables: {
+            createRequirementInput: {
+              projectPath: this.projectPath,
+              title,
+            },
+          },
+        })
+        .then(({ data }) => {
+          if (!data.createRequirement.errors.length) {
+            this.showCreateForm = false;
+            this.$apollo.queries.requirements.refetch();
+          } else {
+            throw new Error(`Error creating a requirement`);
+          }
+        })
+        .catch(e => {
+          createFlash(__('Something went wrong while creating a requirement.'));
+          Sentry.captureException(e);
+        })
+        .finally(() => {
+          this.createRequirementRequestActive = false;
+        });
+    },
+    handleNewRequirementCancel() {
+      this.showCreateForm = false;
+    },
     handlePageChange(page) {
       const { startCursor, endCursor } = this.requirements.pageInfo;
 
@@ -202,6 +248,12 @@ export default {
       :current-tab-count="totalRequirements"
       :current-page="currentPage"
     />
+    <requirement-form
+      v-if="showCreateForm"
+      :requirement-request-active="createRequirementRequestActive"
+      @save="handleNewRequirementSave"
+      @cancel="handleNewRequirementCancel"
+    />
     <ul
       v-if="!requirementsListLoading && !requirementsListEmpty"
       class="content-list issuable-list issues-list requirements-list"

ee/app/assets/javascripts/requirements/queries/createRequirement.mutation.graphql

+mutation createRequirement($createRequirementInput: CreateRequirementInput!) {
+  createRequirement(input: $createRequirementInput) {
+    clientMutationId
+    errors
+  }
+}

ee/app/assets/javascripts/requirements/requirements_bundle.js

@@ -9,7 +9,6 @@ import { FilterState } from './constants';
 Vue.use(VueApollo);
 
 export default () => {
-  const btnNewRequirement = document.querySelector('.js-new-requirement');
   const el = document.getElementById('js-requirements-app');
 
   if (!el) {
@@ -43,7 +42,6 @@ export default () => {
       const ARCHIVED = parseInt(archived, 10);
 
       return {
-        showCreateRequirement: false,
         filterBy: stateFilterBy,
         requirementsCount: {
           OPENED,
@@ -57,17 +55,6 @@ export default () => {
         projectPath,
       };
     },
-    mounted() {
-      btnNewRequirement.addEventListener('click', this.handleClickNewRequirement);
-    },
-    beforeDestroy() {
-      btnNewRequirement.removeEventListener('click', this.handleClickNewRequirement);
-    },
-    methods: {
-      handleClickNewRequirement() {
-        this.showCreateRequirement = !this.showCreateRequirement;
-      },
-    },
     render(createElement) {
       return createElement('requirements-root', {
         props: {
@@ -77,7 +64,6 @@ export default () => {
           page: parseInt(this.page, 10) || 1,
           prev: this.prev,
           next: this.next,
-          showCreateRequirement: this.showCreateRequirement,
           emptyStatePath: this.emptyStatePath,
         },
       });

ee/app/assets/stylesheets/pages/requirements.scss

@@ -11,6 +11,15 @@
       }
     }
   }
+
+  .requirement-form {
+    .requirement-form-textarea {
+      line-height: $gl-line-height-24;
+      // We need `!important` here as GlFormTextarea (based on `BFormTextarea`)
+      // somehow applies inline styles ¯\_(ツ)_/¯.
+      overflow-y: auto !important;
+    }
+  }
 }
 
 .requirements-list-container {

ee/spec/features/projects/requirements/requirements_list_spec.rb

@@ -45,6 +45,7 @@ describe 'Requirements list', :js do
       end
     end
 
+    context 'new requirement' do
       it 'shows button "New requirement"' do
         page.within('.nav-controls') do
           expect(page).to have_selector('button.js-new-requirement')
@@ -52,6 +53,37 @@ describe 'Requirements list', :js do
         end
       end
 
+      it 'shows requirement create form when "New requirement" button is clicked' do
+        page.within('.nav-controls') do
+          find('button.js-new-requirement').click
+        end
+
+        page.within('.requirements-list-container') do
+          expect(page).to have_selector('.requirement-form')
+        end
+      end
+
+      it 'creates new requirement' do
+        page.within('.nav-controls') do
+          find('button.js-new-requirement').click
+        end
+
+        page.within('.requirements-list-container') do
+          requirement_title = 'Foobar'
+
+          find('textarea#requirementTitle').native.send_keys requirement_title
+          find('button.js-requirement-save').click
+
+          wait_for_all_requests
+
+          expect(page).to have_selector('li.requirement', count: 4)
+          page.within('.requirements-list li.requirement', match: :first) do
+            expect(page.find('.issue-title-text')).to have_content(requirement_title)
+          end
+        end
+      end
+    end
+
     context 'open tab' do
       it 'shows list of all open requirements' do
         page.within('.requirements-list-container .requirements-list') do

ee/spec/frontend/requirements/components/requirement_form_spec.js

+import { shallowMount } from '@vue/test-utils';
+
+import { GlFormGroup, GlFormTextarea } from '@gitlab/ui';
+import RequirementForm from 'ee/requirements/components/requirement_form.vue';
+
+import { mockRequirementsOpen } from '../mock_data';
+
+const createComponent = ({ requirement = null, requirementRequestActive = false } = {}) =>
+  shallowMount(RequirementForm, {
+    propsData: {
+      requirement,
+      requirementRequestActive,
+    },
+  });
+
+describe('RequirementForm', () => {
+  let wrapper;
+  let wrapperWithRequirement;
+
+  beforeEach(() => {
+    wrapper = createComponent();
+    wrapperWithRequirement = createComponent({
+      requirement: mockRequirementsOpen[0],
+    });
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapperWithRequirement.destroy();
+  });
+
+  describe('computed', () => {
+    describe('fieldLabel', () => {
+      it('returns string "New requirement" when `requirement` prop is null', () => {
+        expect(wrapper.vm.fieldLabel).toBe('New requirement');
+      });
+
+      it('returns string "Requirement" when `requirement` prop is defined', () => {
+        expect(wrapperWithRequirement.vm.fieldLabel).toBe('Requirement');
+      });
+    });
+
+    describe('saveButtonLabel', () => {
+      it('returns string "Create requirement" when `requirement` prop is null', () => {
+        expect(wrapper.vm.saveButtonLabel).toBe('Create requirement');
+      });
+
+      it('returns string "Save changes" when `requirement` prop is defined', () => {
+        expect(wrapperWithRequirement.vm.saveButtonLabel).toBe('Save changes');
+      });
+    });
+  });
+
+  describe('methods', () => {
+    describe('handleSave', () => {
+      it('emits `save` event on component with `title` as param when form is in create mode', () => {
+        wrapper.setData({
+          title: 'foo',
+        });
+
+        wrapper.vm.handleSave();
+
+        return wrapper.vm.$nextTick(() => {
+          expect(wrapper.emitted('save')).toBeTruthy();
+          expect(wrapper.emitted('save')[0]).toEqual(['foo']);
+        });
+      });
+
+      it('emits `save` event on component with object as param containing `iid` & `title` when form is in update mode', () => {
+        wrapperWithRequirement.vm.handleSave();
+
+        return wrapperWithRequirement.vm.$nextTick(() => {
+          expect(wrapperWithRequirement.emitted('save')).toBeTruthy();
+          expect(wrapperWithRequirement.emitted('save')[0]).toEqual([
+            {
+              iid: mockRequirementsOpen[0].iid,
+              title: mockRequirementsOpen[0].title,
+            },
+          ]);
+        });
+      });
+    });
+  });
+
+  describe('template', () => {
+    it('renders component container element with classes `p-3 border-bottom` when form is in create mode', () => {
+      const wrapperClasses = wrapper.classes();
+
+      expect(wrapperClasses).toContain('p-3');
+      expect(wrapperClasses).toContain('border-bottom');
+    });
+
+    it('renders component container element without classes `p-3 border-bottom` when form is in edit mode', () => {
+      const wrapperClasses = wrapperWithRequirement.classes();
+
+      expect(wrapperClasses).not.toContain('p-3');
+      expect(wrapperClasses).not.toContain('border-bottom');
+    });
+
+    it('renders gl-form-group component', () => {
+      const glFormGroup = wrapper.find(GlFormGroup);
+
+      expect(glFormGroup.exists()).toBe(true);
+      expect(glFormGroup.attributes('label')).toBe('New requirement');
+      expect(glFormGroup.attributes('label-for')).toBe('requirementTitle');
+    });
+
+    it('renders gl-form-textarea component', () => {
+      const glFormTextarea = wrapper.find(GlFormTextarea);
+
+      expect(glFormTextarea.exists()).toBe(true);
+      expect(glFormTextarea.attributes('id')).toBe('requirementTitle');
+      expect(glFormTextarea.attributes('placeholder')).toBe('Describe the requirement here');
+      expect(glFormTextarea.attributes('max-rows')).toBe('25');
+    });
+
+    it('renders gl-form-textarea component populated with `requirement.title` when `requirement` prop is defined', () => {
+      expect(wrapperWithRequirement.find(GlFormTextarea).attributes('value')).toBe(
+        mockRequirementsOpen[0].title,
+      );
+    });
+
+    it('renders save button component', () => {
+      const saveButton = wrapper.find('.js-requirement-save');
+
+      expect(saveButton.exists()).toBe(true);
+      expect(saveButton.text()).toBe('Create requirement');
+    });
+
+    it('renders cancel button component', () => {
+      const cancelButton = wrapper.find('.js-requirement-cancel');
+
+      expect(cancelButton.exists()).toBe(true);
+      expect(cancelButton.text()).toBe('Cancel');
+    });
+  });
+});

ee/spec/frontend/requirements/components/requirements_root_spec.js

 import { shallowMount } from '@vue/test-utils';
 
 import { GlPagination } from '@gitlab/ui';
+import createFlash from '~/flash';
+
 import RequirementsRoot from 'ee/requirements/components/requirements_root.vue';
 import RequirementsLoading from 'ee/requirements/components/requirements_loading.vue';
 import RequirementsEmptyState from 'ee/requirements/components/requirements_empty_state.vue';
 import RequirementItem from 'ee/requirements/components/requirement_item.vue';
+import RequirementForm from 'ee/requirements/components/requirement_form.vue';
+
+import createRequirement from 'ee/requirements/queries/createRequirement.mutation.graphql';
 
 import {
   FilterState,
@@ -17,6 +22,8 @@ jest.mock('ee/requirements/constants', () => ({
   DEFAULT_PAGE_SIZE: 2,
 }));
 
+jest.mock('~/flash');
+
 const createComponent = ({
   projectPath = 'gitlab-org/gitlab-shell',
   filterBy = FilterState.opened,
@@ -41,8 +48,10 @@ const createComponent = ({
             list: [],
             pageInfo: {},
             count: {},
+            refetch: jest.fn(),
           },
         },
+        mutate: jest.fn(),
       },
     },
   });
@@ -51,6 +60,7 @@ describe('RequirementsRoot', () => {
   let wrapper;
 
   beforeEach(() => {
+    setFixtures('<button class="js-new-requirement">New requirement</button>');
     wrapper = createComponent();
   });
 
@@ -148,6 +158,92 @@ describe('RequirementsRoot', () => {
       });
     });
 
+    describe('handleNewRequirementClick', () => {
+      it('sets `showCreateForm` prop to `true`', () => {
+        wrapper.vm.handleNewRequirementClick();
+
+        expect(wrapper.vm.showCreateForm).toBe(true);
+      });
+    });
+
+    describe('handleNewRequirementSave', () => {
+      const mockMutationResult = {
+        data: {
+          createRequirement: {
+            errors: [],
+          },
+        },
+      };
+
+      it('sets `createRequirementRequestActive` prop to `true`', () => {
+        jest
+          .spyOn(wrapper.vm.$apollo, 'mutate')
+          .mockReturnValue(Promise.resolve(mockMutationResult));
+
+        wrapper.vm.handleNewRequirementSave('foo');
+
+        expect(wrapper.vm.createRequirementRequestActive).toBe(true);
+      });
+
+      it('calls `$apollo.mutate` with createRequirement mutation and `projectPath` & `title` as variables', () => {
+        jest
+          .spyOn(wrapper.vm.$apollo, 'mutate')
+          .mockReturnValue(Promise.resolve(mockMutationResult));
+
+        wrapper.vm.handleNewRequirementSave('foo');
+
+        expect(wrapper.vm.$apollo.mutate).toHaveBeenCalledWith(
+          expect.objectContaining({
+            mutation: createRequirement,
+            variables: {
+              createRequirementInput: {
+                projectPath: 'gitlab-org/gitlab-shell',
+                title: 'foo',
+              },
+            },
+          }),
+        );
+      });
+
+      it('sets `showCreateForm` and `createRequirementRequestActive` props to `false` and calls `$apollo.queries.requirements.refetch()` when request is successful', () => {
+        jest
+          .spyOn(wrapper.vm.$apollo, 'mutate')
+          .mockReturnValue(Promise.resolve(mockMutationResult));
+        jest
+          .spyOn(wrapper.vm.$apollo.queries.requirements, 'refetch')
+          .mockImplementation(jest.fn());
+
+        return wrapper.vm.handleNewRequirementSave('foo').then(() => {
+          expect(wrapper.vm.showCreateForm).toBe(false);
+          expect(wrapper.vm.$apollo.queries.requirements.refetch).toHaveBeenCalled();
+          expect(wrapper.vm.createRequirementRequestActive).toBe(false);
+        });
+      });
+
+      it('sets `createRequirementRequestActive` prop to `false` and calls `createFlash` when `$apollo.mutate` request fails', () => {
+        jest.spyOn(wrapper.vm.$apollo, 'mutate').mockReturnValue(Promise.reject(new Error()));
+
+        return wrapper.vm.handleNewRequirementSave('foo').then(() => {
+          expect(createFlash).toHaveBeenCalledWith(
+            'Something went wrong while creating a requirement.',
+          );
+          expect(wrapper.vm.createRequirementRequestActive).toBe(false);
+        });
+      });
+    });
+
+    describe('handleNewRequirementCancel', () => {
+      it('sets `showCreateForm` prop to `false`', () => {
+        wrapper.setData({
+          showCreateForm: true,
+        });
+
+        wrapper.vm.handleNewRequirementCancel();
+
+        expect(wrapper.vm.showCreateForm).toBe(false);
+      });
+    });
+
     describe('handlePageChange', () => {
       beforeEach(() => {
         jest.spyOn(wrapper.vm, 'updateUrl').mockImplementation(jest.fn());
@@ -208,6 +304,16 @@ describe('RequirementsRoot', () => {
       wrapperLoading.destroy();
     });
 
+    it('renders requirement-form component when `showCreateForm` prop is `true`', () => {
+      wrapper.setData({
+        showCreateForm: true,
+      });
+
+      return wrapper.vm.$nextTick(() => {
+        expect(wrapper.find(RequirementForm).exists()).toBe(true);
+      });
+    });
+
     it('renders requirement items for all the requirements', () => {
       wrapper.setData({
         requirements: {

locale/gitlab.pot

@@ -5931,6 +5931,9 @@ msgstr ""
 msgid "Create project label"
 msgstr ""
 
+msgid "Create requirement"
+msgstr ""
+
 msgid "Create wildcard: %{searchTerm}"
 msgstr ""
 
@@ -6846,6 +6849,9 @@ msgstr ""
 msgid "Describe the goal of the changes and what reviewers should be aware of."
 msgstr ""
 
+msgid "Describe the requirement here"
+msgstr ""
+
 msgid "Description"
 msgstr ""
 
@@ -16973,6 +16979,9 @@ msgstr ""
 msgid "Require users to prove ownership of custom domains"
 msgstr ""
 
+msgid "Requirement"
+msgstr ""
+
 msgid "Requirements"
 msgstr ""
 
@@ -18632,6 +18641,9 @@ msgstr ""
 msgid "Something went wrong while closing the %{issuable}. Please try again later"
 msgstr ""
 
+msgid "Something went wrong while creating a requirement."
+msgstr ""
+
 msgid "Something went wrong while deleting description changes. Please try again."
 msgstr ""