1 files changed, 156 insertions, 0 deletions
diff --git a/spec/frontend/runner/components/runner_jobs_spec.js b/spec/frontend/runner/components/runner_jobs_spec.js
new file mode 100644
index 00000000000..97339056370
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+++ b/spec/frontend/runner/components/runner_jobs_spec.js
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+import { GlSkeletonLoading } from '@gitlab/ui';
+import Vue from 'vue';
+import VueApollo from 'vue-apollo';
+import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
+import createMockApollo from 'helpers/mock_apollo_helper';
+import waitForPromises from 'helpers/wait_for_promises';
+import { createAlert } from '~/flash';
+import RunnerJobs from '~/runner/components/runner_jobs.vue';
+import RunnerJobsTable from '~/runner/components/runner_jobs_table.vue';
+import RunnerPagination from '~/runner/components/runner_pagination.vue';
+import { captureException } from '~/runner/sentry_utils';
+import { I18N_NO_JOBS_FOUND, RUNNER_DETAILS_JOBS_PAGE_SIZE } from '~/runner/constants';
+
+import getRunnerJobsQuery from '~/runner/graphql/get_runner_jobs.query.graphql';
+
+import { runnerData, runnerJobsData } from '../mock_data';
+
+jest.mock('~/flash');
+jest.mock('~/runner/sentry_utils');
+
+const mockRunner = runnerData.data.runner;
+const mockRunnerWithJobs = runnerJobsData.data.runner;
+const mockJobs = mockRunnerWithJobs.jobs.nodes;
+
+Vue.use(VueApollo);
+
+describe('RunnerJobs', () => {
+  let wrapper;
+  let mockRunnerJobsQuery;
+
+  const findGlSkeletonLoading = () => wrapper.findComponent(GlSkeletonLoading);
+  const findRunnerJobsTable = () => wrapper.findComponent(RunnerJobsTable);
+  const findRunnerPagination = () => wrapper.findComponent(RunnerPagination);
+
+  const createComponent = ({ mountFn = shallowMountExtended } = {}) => {
+    wrapper = mountFn(RunnerJobs, {
+      apolloProvider: createMockApollo([[getRunnerJobsQuery, mockRunnerJobsQuery]]),
+      propsData: {
+        runner: mockRunner,
+      },
+    });
+  };
+
+  beforeEach(() => {
+    mockRunnerJobsQuery = jest.fn();
+  });
+
+  afterEach(() => {
+    mockRunnerJobsQuery.mockReset();
+    wrapper.destroy();
+  });
+
+  it('Requests runner jobs', async () => {
+    createComponent();
+
+    await waitForPromises();
+
+    expect(mockRunnerJobsQuery).toHaveBeenCalledTimes(1);
+    expect(mockRunnerJobsQuery).toHaveBeenCalledWith({
+      id: mockRunner.id,
+      first: RUNNER_DETAILS_JOBS_PAGE_SIZE,
+    });
+  });
+
+  describe('When there are jobs assigned', () => {
+    beforeEach(async () => {
+      mockRunnerJobsQuery.mockResolvedValueOnce(runnerJobsData);
+
+      createComponent();
+      await waitForPromises();
+    });
+
+    it('Shows jobs', () => {
+      const jobs = findRunnerJobsTable().props('jobs');
+
+      expect(jobs).toHaveLength(mockJobs.length);
+      expect(jobs[0]).toMatchObject(mockJobs[0]);
+    });
+
+    describe('When "Next" page is clicked', () => {
+      beforeEach(async () => {
+        findRunnerPagination().vm.$emit('input', { page: 2, after: 'AFTER_CURSOR' });
+
+        await waitForPromises();
+      });
+
+      it('A new page is requested', () => {
+        expect(mockRunnerJobsQuery).toHaveBeenCalledTimes(2);
+        expect(mockRunnerJobsQuery).toHaveBeenLastCalledWith({
+          id: mockRunner.id,
+          first: RUNNER_DETAILS_JOBS_PAGE_SIZE,
+          after: 'AFTER_CURSOR',
+        });
+      });
+    });
+  });
+
+  describe('When loading', () => {
+    it('shows loading indicator and no other content', () => {
+      createComponent();
+
+      expect(findGlSkeletonLoading().exists()).toBe(true);
+      expect(findRunnerJobsTable().exists()).toBe(false);
+      expect(findRunnerPagination().attributes('disabled')).toBe('true');
+    });
+  });
+
+  describe('When there are no jobs', () => {
+    beforeEach(async () => {
+      mockRunnerJobsQuery.mockResolvedValueOnce({
+        data: {
+          runner: {
+            id: mockRunner.id,
+            projectCount: 0,
+            jobs: {
+              nodes: [],
+              pageInfo: {
+                hasNextPage: false,
+                hasPreviousPage: false,
+                startCursor: '',
+                endCursor: '',
+              },
+            },
+          },
+        },
+      });
+
+      createComponent();
+      await waitForPromises();
+    });
+
+    it('Shows a "None" label', () => {
+      expect(wrapper.text()).toBe(I18N_NO_JOBS_FOUND);
+    });
+  });
+
+  describe('When an error occurs', () => {
+    beforeEach(async () => {
+      mockRunnerJobsQuery.mockRejectedValue(new Error('Error!'));
+
+      createComponent();
+      await waitForPromises();
+    });
+
+    it('shows an error', () => {
+      expect(createAlert).toHaveBeenCalled();
+    });
+
+    it('reports an error', () => {
+      expect(captureException).toHaveBeenCalledWith({
+        component: 'RunnerJobs',
+        error: expect.any(Error),
+      });
+    });
+  });
+});