Refactor Jira importer

Move state closer to where it is used

app/assets/javascripts/jira_import/components/jira_import_app.vue

 <script>
 import { GlAlert, GlLoadingIcon } from '@gitlab/ui';
 import { last } from 'lodash';
-import { __ } from '~/locale';
 import getJiraImportDetailsQuery from '../queries/get_jira_import_details.query.graphql';
-import getJiraUserMappingMutation from '../queries/get_jira_user_mapping.mutation.graphql';
-import initiateJiraImportMutation from '../queries/initiate_jira_import.mutation.graphql';
-import { addInProgressImportToStore } from '../utils/cache_update';
 import { isInProgress, extractJiraProjectsOptions } from '../utils/jira_import_utils';
 import JiraImportForm from './jira_import_form.vue';
 import JiraImportProgress from './jira_import_progress.vue';
@@ -52,9 +48,7 @@ export default {
   },
   data() {
     return {
-      isSubmitting: false,
       jiraImportDetails: {},
-      userMappings: [],
       errorMessage: '',
       showAlert: false,
     };
@@ -78,70 +72,7 @@ export default {
       },
     },
   },
-  mounted() {
-    if (this.isJiraConfigured) {
-      this.$apollo
-        .mutate({
-          mutation: getJiraUserMappingMutation,
-          variables: {
-            input: {
-              projectPath: this.projectPath,
-            },
-          },
-        })
-        .then(({ data }) => {
-          if (data.jiraImportUsers.errors.length) {
-            this.setAlertMessage(data.jiraImportUsers.errors.join('. '));
-          } else {
-            this.userMappings = data.jiraImportUsers.jiraUsers;
-          }
-        })
-        .catch(() => this.setAlertMessage(__('There was an error retrieving the Jira users.')));
-    }
-  },
   methods: {
-    initiateJiraImport(project) {
-      this.isSubmitting = true;
-
-      this.$apollo
-        .mutate({
-          mutation: initiateJiraImportMutation,
-          variables: {
-            input: {
-              jiraProjectKey: project,
-              projectPath: this.projectPath,
-              usersMapping: this.userMappings.map(({ gitlabId, jiraAccountId }) => ({
-                gitlabId,
-                jiraAccountId,
-              })),
-            },
-          },
-          update: (store, { data }) =>
-            addInProgressImportToStore(store, data.jiraImportStart, this.projectPath),
-        })
-        .then(({ data }) => {
-          if (data.jiraImportStart.errors.length) {
-            this.setAlertMessage(data.jiraImportStart.errors.join('. '));
-          } else {
-            this.selectedProject = undefined;
-          }
-        })
-        .catch(() => this.setAlertMessage(__('There was an error importing the Jira project.')))
-        .finally(() => {
-          this.isSubmitting = false;
-        });
-    },
-    updateMapping(jiraAccountId, gitlabId, gitlabUsername) {
-      this.userMappings = this.userMappings.map(userMapping =>
-        userMapping.jiraAccountId === jiraAccountId
-          ? {
-              ...userMapping,
-              gitlabId,
-              gitlabUsername,
-            }
-          : userMapping,
-      );
-    },
     setAlertMessage(message) {
       this.errorMessage = message;
       this.showAlert = true;
@@ -175,14 +106,12 @@ export default {
     />
     <jira-import-form
       v-else
-      :is-submitting="isSubmitting"
       :issues-path="issuesPath"
       :jira-imports="jiraImportDetails.imports"
       :jira-projects="jiraImportDetails.projects"
       :project-id="projectId"
-      :user-mappings="userMappings"
-      @initiateJiraImport="initiateJiraImport"
-      @updateMapping="updateMapping"
+      :project-path="projectPath"
+      @error="setAlertMessage"
     />
   </div>
 </template>

app/assets/javascripts/jira_import/components/jira_import_form.vue

@@ -16,6 +16,10 @@ import {
 } from '@gitlab/ui';
 import { debounce } from 'lodash';
 import axios from '~/lib/utils/axios_utils';
+import { __ } from '~/locale';
+import getJiraUserMappingMutation from '../queries/get_jira_user_mapping.mutation.graphql';
+import initiateJiraImportMutation from '../queries/initiate_jira_import.mutation.graphql';
+import { addInProgressImportToStore } from '../utils/cache_update';
 import {
   debounceWait,
   dropdownLabel,
@@ -47,10 +51,6 @@ export default {
   tableConfig,
   userMappingMessage,
   props: {
-    isSubmitting: {
-      type: Boolean,
-      required: true,
-    },
     issuesPath: {
       type: String,
       required: true,
@@ -67,17 +67,19 @@ export default {
       type: String,
       required: true,
     },
-    userMappings: {
-      type: Array,
+    projectPath: {
+      type: String,
       required: true,
     },
   },
   data() {
     return {
       isFetching: false,
+      isSubmitting: false,
       searchTerm: '',
       selectedProject: undefined,
       selectState: null,
+      userMappings: [],
       users: [],
     };
   },
@@ -106,6 +108,24 @@ export default {
     }, debounceWait),
   },
   mounted() {
+    this.$apollo
+      .mutate({
+        mutation: getJiraUserMappingMutation,
+        variables: {
+          input: {
+            projectPath: this.projectPath,
+          },
+        },
+      })
+      .then(({ data }) => {
+        if (data.jiraImportUsers.errors.length) {
+          this.$emit('error', data.jiraImportUsers.errors.join('. '));
+        } else {
+          this.userMappings = data.jiraImportUsers.jiraUsers;
+        }
+      })
+      .catch(() => this.$emit('error', __('There was an error retrieving the Jira users.')));
+
     this.searchUsers()
       .then(data => {
         this.initialUsers = data;
@@ -138,13 +158,54 @@ export default {
     },
     initiateJiraImport(event) {
       event.preventDefault();
+
       if (this.selectedProject) {
         this.hideValidationError();
-        this.$emit('initiateJiraImport', this.selectedProject);
+
+        this.isSubmitting = true;
+
+        this.$apollo
+          .mutate({
+            mutation: initiateJiraImportMutation,
+            variables: {
+              input: {
+                jiraProjectKey: this.selectedProject,
+                projectPath: this.projectPath,
+                usersMapping: this.userMappings.map(({ gitlabId, jiraAccountId }) => ({
+                  gitlabId,
+                  jiraAccountId,
+                })),
+              },
+            },
+            update: (store, { data }) =>
+              addInProgressImportToStore(store, data.jiraImportStart, this.projectPath),
+          })
+          .then(({ data }) => {
+            if (data.jiraImportStart.errors.length) {
+              this.$emit('error', data.jiraImportStart.errors.join('. '));
+            } else {
+              this.selectedProject = undefined;
+            }
+          })
+          .catch(() => this.$emit('error', __('There was an error importing the Jira project.')))
+          .finally(() => {
+            this.isSubmitting = false;
+          });
       } else {
         this.showValidationError();
       }
     },
+    updateMapping(jiraAccountId, gitlabId, gitlabUsername) {
+      this.userMappings = this.userMappings.map(userMapping =>
+        userMapping.jiraAccountId === jiraAccountId
+          ? {
+              ...userMapping,
+              gitlabId,
+              gitlabUsername,
+            }
+          : userMapping,
+      );
+    },
     hideValidationError() {
       this.selectState = null;
     },
@@ -227,7 +288,7 @@ export default {
               v-for="user in users"
               v-else
               :key="user.id"
-              @click="$emit('updateMapping', data.item.jiraAccountId, user.id, user.username)"
+              @click="updateMapping(data.item.jiraAccountId, user.id, user.username)"
             >
               {{ user.username }} ({{ user.name }})
             </gl-new-dropdown-item>

spec/frontend/jira_import/components/jira_import_app_spec.js

 import { GlAlert, GlLoadingIcon } from '@gitlab/ui';
 import { shallowMount } from '@vue/test-utils';
-import AxiosMockAdapter from 'axios-mock-adapter';
 import Vue from 'vue';
-import axios from '~/lib/utils/axios_utils';
 import JiraImportApp from '~/jira_import/components/jira_import_app.vue';
 import JiraImportForm from '~/jira_import/components/jira_import_form.vue';
 import JiraImportProgress from '~/jira_import/components/jira_import_progress.vue';
 import JiraImportSetup from '~/jira_import/components/jira_import_setup.vue';
-import initiateJiraImportMutation from '~/jira_import/queries/initiate_jira_import.mutation.graphql';
-import getJiraUserMappingMutation from '~/jira_import/queries/get_jira_user_mapping.mutation.graphql';
-import { imports, issuesPath, jiraIntegrationPath, jiraProjects, userMappings } from '../mock_data';
+import {
+  imports,
+  issuesPath,
+  jiraIntegrationPath,
+  jiraProjects,
+  projectId,
+  projectPath,
+} from '../mock_data';
 
 describe('JiraImportApp', () => {
-  let axiosMock;
-  let mutateSpy;
   let wrapper;
 
+  const inProgressIllustration = 'in-progress-illustration.svg';
+
+  const setupIllustration = 'setup-illustration.svg';
+
   const getFormComponent = () => wrapper.find(JiraImportForm);
 
   const getProgressComponent = () => wrapper.find(JiraImportProgress);
@@ -32,22 +37,19 @@ describe('JiraImportApp', () => {
     showAlert = false,
     isInProgress = false,
     loading = false,
-    mutate = mutateSpy,
   } = {}) =>
     shallowMount(JiraImportApp, {
       propsData: {
-        inProgressIllustration: 'in-progress-illustration.svg',
+        inProgressIllustration,
         isJiraConfigured,
         issuesPath,
         jiraIntegrationPath,
-        projectId: '5',
-        projectPath: 'gitlab-org/gitlab-test',
-        setupIllustration: 'setup-illustration.svg',
+        projectId,
+        projectPath,
+        setupIllustration,
       },
       data() {
         return {
-          isSubmitting: false,
-          userMappings,
           errorMessage,
           showAlert,
           jiraImportDetails: {
@@ -61,26 +63,11 @@ describe('JiraImportApp', () => {
       mocks: {
         $apollo: {
           loading,
-          mutate,
         },
       },
     });
 
-  beforeEach(() => {
-    axiosMock = new AxiosMockAdapter(axios);
-    mutateSpy = jest.fn(() =>
-      Promise.resolve({
-        data: {
-          jiraImportStart: { errors: [] },
-          jiraImportUsers: { jiraUsers: [], errors: [] },
-        },
-      }),
-    );
-  });
-
   afterEach(() => {
-    axiosMock.restore();
-    mutateSpy.mockRestore();
     wrapper.destroy();
     wrapper = null;
   });
@@ -173,72 +160,79 @@ describe('JiraImportApp', () => {
     });
   });
 
-  describe('import in progress screen', () => {
+  describe('import setup component', () => {
+    beforeEach(() => {
+      wrapper = mountComponent({ isJiraConfigured: false });
+    });
+
+    it('receives the illustration', () => {
+      expect(getSetupComponent().props('illustration')).toBe(setupIllustration);
+    });
+
+    it('receives the path to the Jira integration page', () => {
+      expect(getSetupComponent().props('jiraIntegrationPath')).toBe(jiraIntegrationPath);
+    });
+  });
+
+  describe('import in progress component', () => {
     beforeEach(() => {
       wrapper = mountComponent({ isInProgress: true });
     });
 
-    it('shows the illustration', () => {
-      expect(getProgressComponent().props('illustration')).toBe('in-progress-illustration.svg');
+    it('receives the illustration', () => {
+      expect(getProgressComponent().props('illustration')).toBe(inProgressIllustration);
     });
 
-    it('shows the name of the most recent import initiator', () => {
+    it('receives the name of the most recent import initiator', () => {
       expect(getProgressComponent().props('importInitiator')).toBe('Jane Doe');
     });
 
-    it('shows the name of the most recent imported project', () => {
+    it('receives the name of the most recent imported project', () => {
       expect(getProgressComponent().props('importProject')).toBe('MTG');
     });
 
-    it('shows the time of the most recent import', () => {
+    it('receives the time of the most recent import', () => {
       expect(getProgressComponent().props('importTime')).toBe('2020-04-09T16:17:18+00:00');
     });
 
-    it('has the path to the issues page', () => {
+    it('receives the path to the issues page', () => {
       expect(getProgressComponent().props('issuesPath')).toBe('gitlab-org/gitlab-test/-/issues');
     });
   });
 
-  describe('initiating a Jira import', () => {
-    it('calls the mutation with the expected arguments', () => {
+  describe('import form component', () => {
+    beforeEach(() => {
       wrapper = mountComponent();
+    });
 
-      const mutationArguments = {
-        mutation: initiateJiraImportMutation,
-        variables: {
-          input: {
-            jiraProjectKey: 'MTG',
-            projectPath: 'gitlab-org/gitlab-test',
-            usersMapping: [
-              {
-                jiraAccountId: 'aei23f98f-q23fj98qfj',
-                gitlabId: 15,
-              },
-              {
-                jiraAccountId: 'fu39y8t34w-rq3u289t3h4i',
-                gitlabId: undefined,
-              },
-            ],
-          },
-        },
-      };
+    it('receives the illustration', () => {
+      expect(getFormComponent().props('issuesPath')).toBe(issuesPath);
+    });
 
-      getFormComponent().vm.$emit('initiateJiraImport', 'MTG');
+    it('receives the name of the most recent import initiator', () => {
+      expect(getFormComponent().props('jiraImports')).toEqual(imports);
+    });
 
-      expect(mutateSpy).toHaveBeenCalledWith(expect.objectContaining(mutationArguments));
+    it('receives the name of the most recent imported project', () => {
+      expect(getFormComponent().props('jiraProjects')).toEqual(jiraProjects);
     });
 
-    describe('when there is an error', () => {
-      beforeEach(() => {
-        const mutate = jest.fn(() => Promise.reject());
-        wrapper = mountComponent({ mutate });
+    it('receives the project ID', () => {
+      expect(getFormComponent().props('projectId')).toBe(projectId);
+    });
 
-        getFormComponent().vm.$emit('initiateJiraImport', 'MTG');
-      });
+    it('receives the project path', () => {
+      expect(getFormComponent().props('projectPath')).toBe(projectPath);
+    });
 
-      it('shows alert message with error message', async () => {
-        expect(getAlert().text()).toBe('There was an error importing the Jira project.');
-      });
+    it('shows an alert when it emits an error', async () => {
+      expect(getAlert().exists()).toBe(false);
+
+      getFormComponent().vm.$emit('error', 'There was an error');
+
+      await Vue.nextTick();
+
+      expect(getAlert().exists()).toBe(true);
     });
   });
 
@@ -259,40 +253,4 @@ describe('JiraImportApp', () => {
       expect(getAlert().exists()).toBe(false);
     });
   });
-
-  describe('on mount GraphQL user mapping mutation', () => {
-    it('is called with the expected arguments', () => {
-      wrapper = mountComponent();
-
-      const mutationArguments = {
-        mutation: getJiraUserMappingMutation,
-        variables: {
-          input: {
-            projectPath: 'gitlab-org/gitlab-test',
-          },
-        },
-      };
-
-      expect(mutateSpy).toHaveBeenCalledWith(expect.objectContaining(mutationArguments));
-    });
-
-    describe('when Jira is not configured', () => {
-      it('is not called', () => {
-        wrapper = mountComponent({ isJiraConfigured: false });
-
-        expect(mutateSpy).not.toHaveBeenCalled();
-      });
-    });
-
-    describe('when there is an error when called', () => {
-      beforeEach(() => {
-        const mutate = jest.fn(() => Promise.reject());
-        wrapper = mountComponent({ mutate });
-      });
-
-      it('shows error message', () => {
-        expect(getAlert().exists()).toBe(true);
-      });
-    });
-  });
 });

spec/frontend/jira_import/components/jira_import_form_spec.js

@@ -4,15 +4,20 @@ import { mount, shallowMount } from '@vue/test-utils';
 import AxiosMockAdapter from 'axios-mock-adapter';
 import axios from '~/lib/utils/axios_utils';
 import JiraImportForm from '~/jira_import/components/jira_import_form.vue';
+import getJiraUserMappingMutation from '~/jira_import/queries/get_jira_user_mapping.mutation.graphql';
+import initiateJiraImportMutation from '~/jira_import/queries/initiate_jira_import.mutation.graphql';
 import {
   imports,
   issuesPath,
   jiraProjects,
+  projectId,
+  projectPath,
   userMappings as defaultUserMappings,
 } from '../mock_data';
 
 describe('JiraImportForm', () => {
   let axiosMock;
+  let mutateSpy;
   let wrapper;
 
   const currentUsername = 'mrgitlab';
@@ -35,35 +40,53 @@ describe('JiraImportForm', () => {
 
   const mountComponent = ({
     isSubmitting = false,
+    loading = false,
+    mutate = mutateSpy,
     selectedProject = 'MTG',
     userMappings = defaultUserMappings,
     mountFunction = shallowMount,
   } = {}) =>
     mountFunction(JiraImportForm, {
       propsData: {
-        isSubmitting,
         issuesPath,
         jiraImports: imports,
         jiraProjects,
-        projectId: '5',
-        userMappings,
+        projectId,
+        projectPath,
       },
       data: () => ({
         isFetching: false,
+        isSubmitting,
         searchTerm: '',
         selectedProject,
         selectState: null,
         users: [],
+        userMappings,
       }),
+      mocks: {
+        $apollo: {
+          loading,
+          mutate,
+        },
+      },
       currentUsername,
     });
 
   beforeEach(() => {
     axiosMock = new AxiosMockAdapter(axios);
+    mutateSpy = jest.fn(() =>
+      Promise.resolve({
+        data: {
+          jiraImportStart: { errors: [] },
+          jiraImportUsers: { jiraUsers: [], errors: [] },
+        },
+      }),
+    );
   });
 
   afterEach(() => {
     axiosMock.restore();
+    mutateSpy.mockRestore();
     wrapper.destroy();
     wrapper = null;
   });
@@ -238,15 +261,61 @@ describe('JiraImportForm', () => {
     });
   });
 
-  describe('form', () => {
-    it('emits an "initiateJiraImport" event with the selected dropdown value when submitted', () => {
-      const selectedProject = 'MTG';
+  describe('submitting the form', () => {
+    it('initiates the Jira import mutation with the expected arguments', () => {
+      wrapper = mountComponent();
 
-      wrapper = mountComponent({ selectedProject });
+      const mutationArguments = {
+        mutation: initiateJiraImportMutation,
+        variables: {
+          input: {
+            jiraProjectKey: 'MTG',
+            projectPath,
+            usersMapping: [
+              {
+                jiraAccountId: 'aei23f98f-q23fj98qfj',
+                gitlabId: 15,
+              },
+              {
+                jiraAccountId: 'fu39y8t34w-rq3u289t3h4i',
+                gitlabId: undefined,
+              },
+            ],
+          },
+        },
+      };
 
       wrapper.find('form').trigger('submit');
 
-      expect(wrapper.emitted('initiateJiraImport')[0]).toEqual([selectedProject]);
+      expect(mutateSpy).toHaveBeenCalledWith(expect.objectContaining(mutationArguments));
+    });
+  });
+
+  describe('on mount GraphQL user mapping mutation', () => {
+    it('is called with the expected arguments', () => {
+      wrapper = mountComponent();
+
+      const mutationArguments = {
+        mutation: getJiraUserMappingMutation,
+        variables: {
+          input: {
+            projectPath,
+          },
+        },
+      };
+
+      expect(mutateSpy).toHaveBeenCalledWith(expect.objectContaining(mutationArguments));
+    });
+
+    describe('when there is an error when called', () => {
+      beforeEach(() => {
+        const mutate = jest.fn(() => Promise.reject());
+        wrapper = mountComponent({ mutate });
+      });
+
+      it('shows error message', () => {
+        expect(getAlert().exists()).toBe(true);
+      });
     });
   });
 });

spec/frontend/jira_import/mock_data.js

@@ -3,6 +3,16 @@ import { IMPORT_STATE } from '~/jira_import/utils/jira_import_utils';
 
 export const fullPath = 'gitlab-org/gitlab-test';
 
+export const issuesPath = 'gitlab-org/gitlab-test/-/issues';
+
+export const illustration = 'illustration.svg';
+
+export const jiraIntegrationPath = 'gitlab-org/gitlab-test/-/services/jira/edit';
+
+export const projectId = '5';
+
+export const projectPath = 'gitlab-org/gitlab-test';
+
 export const queryDetails = {
   query: getJiraImportDetailsQuery,
   variables: {
@@ -71,12 +81,6 @@ export const jiraImportMutationResponse = {
   },
 };
 
-export const issuesPath = 'gitlab-org/gitlab-test/-/issues';
-
-export const jiraIntegrationPath = 'gitlab-org/gitlab-test/-/services/jira/edit';
-
-export const illustration = 'illustration.svg';
-
 export const jiraProjects = [
   { text: 'My Jira Project (MJP)', value: 'MJP' },
   { text: 'My Second Jira Project (MSJP)', value: 'MSJP' },