1 files changed, 58 insertions, 0 deletions
diff --git a/spec/frontend/jira_connect/subscriptions/components/sign_in_legacy_button_spec.js b/spec/frontend/jira_connect/subscriptions/components/sign_in_legacy_button_spec.js
new file mode 100644
index 00000000000..4ebfaed261e
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+++ b/spec/frontend/jira_connect/subscriptions/components/sign_in_legacy_button_spec.js
@@ -0,0 +1,58 @@
+import { GlButton } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import { getGitlabSignInURL } from '~/jira_connect/subscriptions/utils';
+import SignInLegacyButton from '~/jira_connect/subscriptions/components/sign_in_legacy_button.vue';
+import waitForPromises from 'helpers/wait_for_promises';
+
+const MOCK_USERS_PATH = '/user';
+
+jest.mock('~/jira_connect/subscriptions/utils');
+
+describe('SignInLegacyButton', () => {
+  let wrapper;
+
+  const createComponent = ({ slots } = {}) => {
+    wrapper = shallowMount(SignInLegacyButton, {
+      propsData: {
+        usersPath: MOCK_USERS_PATH,
+      },
+      slots,
+    });
+  };
+
+  const findButton = () => wrapper.findComponent(GlButton);
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('displays a button', () => {
+    createComponent();
+
+    expect(findButton().exists()).toBe(true);
+    expect(findButton().text()).toBe(SignInLegacyButton.i18n.defaultButtonText);
+  });
+
+  describe.each`
+    expectedHref
+    ${MOCK_USERS_PATH}
+    ${`${MOCK_USERS_PATH}?return_to=${encodeURIComponent('https://test.jira.com')}`}
+  `('when getGitlabSignInURL resolves with `$expectedHref`', ({ expectedHref }) => {
+    it(`sets button href to ${expectedHref}`, async () => {
+      getGitlabSignInURL.mockResolvedValue(expectedHref);
+      createComponent();
+
+      await waitForPromises();
+
+      expect(findButton().attributes('href')).toBe(expectedHref);
+    });
+  });
+
+  describe('with slot', () => {
+    const mockSlotContent = 'custom button content!';
+    it('renders slot content in button', () => {
+      createComponent({ slots: { default: mockSlotContent } });
+      expect(wrapper.text()).toMatchInterpolatedText(mockSlotContent);
+    });
+  });
+});