1 files changed, 58 insertions, 0 deletions
diff --git a/spec/frontend/packages_and_registries/package_registry/components/details/installation_title_spec.js b/spec/frontend/packages_and_registries/package_registry/components/details/installation_title_spec.js
new file mode 100644
index 00000000000..5fe795f768e
--- /dev/null
+++ b/spec/frontend/packages_and_registries/package_registry/components/details/installation_title_spec.js
@@ -0,0 +1,58 @@
+import { shallowMount } from '@vue/test-utils';
+
+import InstallationTitle from '~/packages_and_registries/package_registry/components/details/installation_title.vue';
+import PersistedDropdownSelection from '~/vue_shared/components/registry/persisted_dropdown_selection.vue';
+
+describe('InstallationTitle', () => {
+  let wrapper;
+
+  const defaultProps = { packageType: 'foo', options: [{ value: 'foo', label: 'bar' }] };
+
+  const findPersistedDropdownSelection = () => wrapper.findComponent(PersistedDropdownSelection);
+  const findTitle = () => wrapper.find('h3');
+
+  function createComponent({ props = {} } = {}) {
+    wrapper = shallowMount(InstallationTitle, {
+      propsData: {
+        ...defaultProps,
+        ...props,
+      },
+    });
+  }
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it('has a title', () => {
+    createComponent();
+
+    expect(findTitle().exists()).toBe(true);
+    expect(findTitle().text()).toBe('Installation');
+  });
+
+  describe('persisted dropdown selection', () => {
+    it('exists', () => {
+      createComponent();
+
+      expect(findPersistedDropdownSelection().exists()).toBe(true);
+    });
+
+    it('has the correct props', () => {
+      createComponent();
+
+      expect(findPersistedDropdownSelection().props()).toMatchObject({
+        storageKey: 'package_foo_installation_instructions',
+        options: defaultProps.options,
+      });
+    });
+
+    it('on change event emits a change event', () => {
+      createComponent();
+
+      findPersistedDropdownSelection().vm.$emit('change', 'baz');
+
+      expect(wrapper.emitted('change')).toEqual([['baz']]);
+    });
+  });
+});