1 files changed, 98 insertions, 0 deletions
diff --git a/spec/frontend/pipelines/tokens/pipeline_tag_name_token_spec.js b/spec/frontend/pipelines/tokens/pipeline_tag_name_token_spec.js
new file mode 100644
index 00000000000..9fecc9412b7
--- /dev/null
+++ b/spec/frontend/pipelines/tokens/pipeline_tag_name_token_spec.js
@@ -0,0 +1,98 @@
+import Api from '~/api';
+import { GlFilteredSearchToken, GlFilteredSearchSuggestion, GlLoadingIcon } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import PipelineTagNameToken from '~/pipelines/components/tokens/pipeline_tag_name_token.vue';
+import { tags, mockTagsAfterMap } from '../mock_data';
+
+describe('Pipeline Branch Name Token', () => {
+  let wrapper;
+
+  const findFilteredSearchToken = () => wrapper.find(GlFilteredSearchToken);
+  const findAllFilteredSearchSuggestions = () => wrapper.findAll(GlFilteredSearchSuggestion);
+  const findLoadingIcon = () => wrapper.find(GlLoadingIcon);
+
+  const stubs = {
+    GlFilteredSearchToken: {
+      template: `<div><slot name="suggestions"></slot></div>`,
+    },
+  };
+
+  const defaultProps = {
+    config: {
+      type: 'tag',
+      icon: 'tag',
+      title: 'Tag name',
+      unique: true,
+      projectId: '21',
+      disabled: false,
+    },
+    value: {
+      data: '',
+    },
+  };
+
+  const createComponent = (options, data) => {
+    wrapper = shallowMount(PipelineTagNameToken, {
+      propsData: {
+        ...defaultProps,
+      },
+      data() {
+        return {
+          ...data,
+        };
+      },
+      ...options,
+    });
+  };
+
+  beforeEach(() => {
+    jest.spyOn(Api, 'tags').mockResolvedValue({ data: tags });
+
+    createComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  it('passes config correctly', () => {
+    expect(findFilteredSearchToken().props('config')).toEqual(defaultProps.config);
+  });
+
+  it('fetches and sets project tags', () => {
+    expect(Api.tags).toHaveBeenCalled();
+
+    expect(wrapper.vm.tags).toEqual(mockTagsAfterMap);
+    expect(findLoadingIcon().exists()).toBe(false);
+  });
+
+  describe('displays loading icon correctly', () => {
+    it('shows loading icon', () => {
+      createComponent({ stubs }, { loading: true });
+
+      expect(findLoadingIcon().exists()).toBe(true);
+    });
+
+    it('does not show loading icon', () => {
+      createComponent({ stubs }, { loading: false });
+
+      expect(findLoadingIcon().exists()).toBe(false);
+    });
+  });
+
+  describe('shows tags correctly', () => {
+    it('renders all tags', () => {
+      createComponent({ stubs }, { tags, loading: false });
+
+      expect(findAllFilteredSearchSuggestions()).toHaveLength(tags.length);
+    });
+
+    it('renders only the tag searched for', () => {
+      const mockTags = ['master-tag'];
+      createComponent({ stubs }, { tags: mockTags, loading: false });
+
+      expect(findAllFilteredSearchSuggestions()).toHaveLength(mockTags.length);
+    });
+  });
+});