1 files changed, 169 insertions, 0 deletions
diff --git a/spec/frontend/runner/components/registration/registration_dropdown_spec.js b/spec/frontend/runner/components/registration/registration_dropdown_spec.js
new file mode 100644
index 00000000000..d18d2bec18e
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+++ b/spec/frontend/runner/components/registration/registration_dropdown_spec.js
@@ -0,0 +1,169 @@
+import { GlDropdown, GlDropdownItem, GlDropdownForm } from '@gitlab/ui';
+import { createLocalVue, mount, shallowMount, createWrapper } from '@vue/test-utils';
+import { nextTick } from 'vue';
+import VueApollo from 'vue-apollo';
+import { extendedWrapper } from 'helpers/vue_test_utils_helper';
+import createMockApollo from 'helpers/mock_apollo_helper';
+
+import RegistrationDropdown from '~/runner/components/registration/registration_dropdown.vue';
+import RegistrationTokenResetDropdownItem from '~/runner/components/registration/registration_token_reset_dropdown_item.vue';
+
+import { INSTANCE_TYPE, GROUP_TYPE, PROJECT_TYPE } from '~/runner/constants';
+
+import getRunnerPlatformsQuery from '~/vue_shared/components/runner_instructions/graphql/queries/get_runner_platforms.query.graphql';
+import getRunnerSetupInstructionsQuery from '~/vue_shared/components/runner_instructions/graphql/queries/get_runner_setup.query.graphql';
+
+import {
+  mockGraphqlRunnerPlatforms,
+  mockGraphqlInstructions,
+} from 'jest/vue_shared/components/runner_instructions/mock_data';
+
+const mockToken = '0123456789';
+const maskToken = '**********';
+
+describe('RegistrationDropdown', () => {
+  let wrapper;
+
+  const findDropdown = () => wrapper.findComponent(GlDropdown);
+
+  const findRegistrationInstructionsDropdownItem = () => wrapper.findComponent(GlDropdownItem);
+  const findTokenDropdownItem = () => wrapper.findComponent(GlDropdownForm);
+  const findTokenResetDropdownItem = () =>
+    wrapper.findComponent(RegistrationTokenResetDropdownItem);
+
+  const findToggleMaskButton = () => wrapper.findByTestId('toggle-masked');
+
+  const createComponent = ({ props = {}, ...options } = {}, mountFn = shallowMount) => {
+    wrapper = extendedWrapper(
+      mountFn(RegistrationDropdown, {
+        propsData: {
+          registrationToken: mockToken,
+          type: INSTANCE_TYPE,
+          ...props,
+        },
+        ...options,
+      }),
+    );
+  };
+
+  it.each`
+    type             | text
+    ${INSTANCE_TYPE} | ${'Register an instance runner'}
+    ${GROUP_TYPE}    | ${'Register a group runner'}
+    ${PROJECT_TYPE}  | ${'Register a project runner'}
+  `('Dropdown text for type $type is "$text"', () => {
+    createComponent({ props: { type: INSTANCE_TYPE } }, mount);
+
+    expect(wrapper.text()).toContain('Register an instance runner');
+  });
+
+  it('Passes attributes to the dropdown component', () => {
+    createComponent({ attrs: { right: true } });
+
+    expect(findDropdown().attributes()).toMatchObject({ right: 'true' });
+  });
+
+  describe('Instructions dropdown item', () => {
+    it('Displays "Show runner" dropdown item', () => {
+      createComponent();
+
+      expect(findRegistrationInstructionsDropdownItem().text()).toBe(
+        'Show runner installation and registration instructions',
+      );
+    });
+
+    describe('When the dropdown item is clicked', () => {
+      const localVue = createLocalVue();
+      localVue.use(VueApollo);
+
+      const requestHandlers = [
+        [getRunnerPlatformsQuery, jest.fn().mockResolvedValue(mockGraphqlRunnerPlatforms)],
+        [getRunnerSetupInstructionsQuery, jest.fn().mockResolvedValue(mockGraphqlInstructions)],
+      ];
+
+      const findModalInBody = () =>
+        createWrapper(document.body).find('[data-testid="runner-instructions-modal"]');
+
+      beforeEach(() => {
+        createComponent(
+          {
+            localVue,
+            // Mock load modal contents from API
+            apolloProvider: createMockApollo(requestHandlers),
+            // Use `attachTo` to find the modal
+            attachTo: document.body,
+          },
+          mount,
+        );
+
+        findRegistrationInstructionsDropdownItem().trigger('click');
+      });
+
+      afterEach(() => {
+        wrapper.destroy();
+      });
+
+      it('opens the modal with contents', () => {
+        const modalText = findModalInBody()
+          .text()
+          .replace(/[\n\t\s]+/g, ' ');
+
+        expect(modalText).toContain('Install a runner');
+
+        // Environment selector
+        expect(modalText).toContain('Environment');
+        expect(modalText).toContain('Linux macOS Windows Docker Kubernetes');
+
+        // Architecture selector
+        expect(modalText).toContain('Architecture');
+        expect(modalText).toContain('amd64 amd64 386 arm arm64');
+
+        expect(modalText).toContain('Download and install binary');
+      });
+    });
+  });
+
+  describe('Registration token', () => {
+    it('Displays dropdown form for the registration token', () => {
+      createComponent();
+
+      expect(findTokenDropdownItem().exists()).toBe(true);
+    });
+
+    it('Displays masked value by default', () => {
+      createComponent({}, mount);
+
+      expect(findTokenDropdownItem().text()).toMatchInterpolatedText(
+        `Registration token ${maskToken}`,
+      );
+    });
+  });
+
+  describe('Reset token item', () => {
+    it('Displays registration token reset item', () => {
+      createComponent();
+
+      expect(findTokenResetDropdownItem().exists()).toBe(true);
+    });
+
+    it.each([INSTANCE_TYPE, GROUP_TYPE, PROJECT_TYPE])('Set up token reset for %s', (type) => {
+      createComponent({ props: { type } });
+
+      expect(findTokenResetDropdownItem().props('type')).toBe(type);
+    });
+  });
+
+  it('Updates the token when it gets reset', async () => {
+    createComponent({}, mount);
+
+    const newToken = 'mock1';
+
+    findTokenResetDropdownItem().vm.$emit('tokenReset', newToken);
+    findToggleMaskButton().vm.$emit('click', { stopPropagation: jest.fn() });
+    await nextTick();
+
+    expect(findTokenDropdownItem().text()).toMatchInterpolatedText(
+      `Registration token ${newToken}`,
+    );
+  });
+});