1 files changed, 121 insertions, 0 deletions
diff --git a/spec/frontend/jira_connect/subscriptions/pages/sign_in/sign_in_gitlab_com_spec.js b/spec/frontend/jira_connect/subscriptions/pages/sign_in/sign_in_gitlab_com_spec.js
new file mode 100644
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+++ b/spec/frontend/jira_connect/subscriptions/pages/sign_in/sign_in_gitlab_com_spec.js
@@ -0,0 +1,121 @@
+import { shallowMount } from '@vue/test-utils';
+
+import SignInGitlabCom from '~/jira_connect/subscriptions/pages/sign_in/sign_in_gitlab_com.vue';
+import SignInLegacyButton from '~/jira_connect/subscriptions/components/sign_in_legacy_button.vue';
+import SignInOauthButton from '~/jira_connect/subscriptions/components/sign_in_oauth_button.vue';
+import SubscriptionsList from '~/jira_connect/subscriptions/components/subscriptions_list.vue';
+import createStore from '~/jira_connect/subscriptions/store';
+import { I18N_DEFAULT_SIGN_IN_BUTTON_TEXT } from '~/jira_connect/subscriptions/constants';
+
+jest.mock('~/jira_connect/subscriptions/utils');
+
+const mockUsersPath = '/test';
+const defaultProvide = {
+  oauthMetadata: {},
+  usersPath: mockUsersPath,
+};
+
+describe('SignInGitlabCom', () => {
+  let wrapper;
+  let store;
+
+  const findSignInLegacyButton = () => wrapper.findComponent(SignInLegacyButton);
+  const findSignInOauthButton = () => wrapper.findComponent(SignInOauthButton);
+  const findSubscriptionsList = () => wrapper.findComponent(SubscriptionsList);
+
+  const createComponent = ({ props, jiraConnectOauthEnabled } = {}) => {
+    store = createStore();
+
+    wrapper = shallowMount(SignInGitlabCom, {
+      store,
+      provide: {
+        ...defaultProvide,
+        glFeatures: {
+          jiraConnectOauth: jiraConnectOauthEnabled,
+        },
+      },
+      propsData: props,
+      stubs: {
+        SignInLegacyButton,
+        SignInOauthButton,
+      },
+    });
+  };
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('template', () => {
+    describe.each`
+      scenario                   | hasSubscriptions | signInButtonText
+      ${'with subscriptions'}    | ${true}          | ${SignInGitlabCom.i18n.signInButtonTextWithSubscriptions}
+      ${'without subscriptions'} | ${false}         | ${I18N_DEFAULT_SIGN_IN_BUTTON_TEXT}
+    `('$scenario', ({ hasSubscriptions, signInButtonText }) => {
+      describe('when `jiraConnectOauthEnabled` feature flag is disabled', () => {
+        beforeEach(() => {
+          createComponent({
+            jiraConnectOauthEnabled: false,
+            props: {
+              hasSubscriptions,
+            },
+          });
+        });
+
+        it('renders legacy sign in button', () => {
+          const button = findSignInLegacyButton();
+          expect(button.props('usersPath')).toBe(mockUsersPath);
+          expect(button.text()).toMatchInterpolatedText(signInButtonText);
+        });
+      });
+
+      describe('when `jiraConnectOauthEnabled` feature flag is enabled', () => {
+        beforeEach(() => {
+          createComponent({
+            jiraConnectOauthEnabled: true,
+            props: {
+              hasSubscriptions,
+            },
+          });
+        });
+
+        describe('oauth sign in button', () => {
+          it('renders oauth sign in button', () => {
+            const button = findSignInOauthButton();
+            expect(button.text()).toMatchInterpolatedText(signInButtonText);
+          });
+
+          describe('when button emits `sign-in` event', () => {
+            it('emits `sign-in-oauth` event', () => {
+              const button = findSignInOauthButton();
+
+              const mockUser = { name: 'test' };
+              button.vm.$emit('sign-in', mockUser);
+
+              expect(wrapper.emitted('sign-in-oauth')[0]).toEqual([mockUser]);
+            });
+          });
+
+          describe('when button emits `error` event', () => {
+            it('emits `error` event', () => {
+              const button = findSignInOauthButton();
+              button.vm.$emit('error');
+
+              expect(wrapper.emitted('error')).toBeTruthy();
+            });
+          });
+        });
+      });
+
+      it(`${hasSubscriptions ? 'renders' : 'does not render'} subscriptions list`, () => {
+        createComponent({
+          props: {
+            hasSubscriptions,
+          },
+        });
+
+        expect(findSubscriptionsList().exists()).toBe(hasSubscriptions);
+      });
+    });
+  });
+});