1 files changed, 78 insertions, 0 deletions
diff --git a/spec/frontend/releases/components/tag_field_exsting_spec.js b/spec/frontend/releases/components/tag_field_exsting_spec.js
new file mode 100644
index 00000000000..0a04f68bd67
--- /dev/null
+++ b/spec/frontend/releases/components/tag_field_exsting_spec.js
@@ -0,0 +1,78 @@
+import { GlFormInput } from '@gitlab/ui';
+import { shallowMount, mount } from '@vue/test-utils';
+import TagFieldExisting from '~/releases/components/tag_field_existing.vue';
+import createStore from '~/releases/stores';
+import createDetailModule from '~/releases/stores/modules/detail';
+
+const TEST_TAG_NAME = 'test-tag-name';
+const TEST_DOCS_PATH = '/help/test/docs/path';
+
+describe('releases/components/tag_field_existing', () => {
+  let store;
+  let wrapper;
+
+  const createComponent = (mountFn = shallowMount) => {
+    wrapper = mountFn(TagFieldExisting, {
+      store,
+    });
+  };
+
+  const findInput = () => wrapper.find(GlFormInput);
+  const findHelp = () => wrapper.find('[data-testid="tag-name-help"]');
+  const findHelpLink = () => {
+    const link = findHelp().find('a');
+
+    return {
+      text: link.text(),
+      href: link.attributes('href'),
+      target: link.attributes('target'),
+    };
+  };
+
+  beforeEach(() => {
+    store = createStore({
+      modules: {
+        detail: createDetailModule({
+          updateReleaseApiDocsPath: TEST_DOCS_PATH,
+          tagName: TEST_TAG_NAME,
+        }),
+      },
+    });
+
+    store.state.detail.release = {
+      tagName: TEST_TAG_NAME,
+    };
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  describe('default', () => {
+    it('shows the tag name', () => {
+      createComponent();
+
+      expect(findInput().attributes()).toMatchObject({
+        disabled: '',
+        value: TEST_TAG_NAME,
+      });
+    });
+
+    it('shows help', () => {
+      createComponent(mount);
+
+      expect(findHelp().text()).toMatchInterpolatedText(
+        'Changing a Release tag is only supported via Releases API. More information',
+      );
+
+      const helpLink = findHelpLink();
+
+      expect(helpLink).toEqual({
+        text: 'More information',
+        href: TEST_DOCS_PATH,
+        target: '_blank',
+      });
+    });
+  });
+});