1 files changed, 47 insertions, 0 deletions
diff --git a/spec/frontend/pipelines/pipeline_graph/gitlab_ci_yaml_visualization_spec.js b/spec/frontend/pipelines/pipeline_graph/gitlab_ci_yaml_visualization_spec.js
new file mode 100644
index 00000000000..fea42350959
--- /dev/null
+++ b/spec/frontend/pipelines/pipeline_graph/gitlab_ci_yaml_visualization_spec.js
@@ -0,0 +1,47 @@
+import { shallowMount } from '@vue/test-utils';
+import { GlTab } from '@gitlab/ui';
+import { yamlString } from './mock_data';
+import PipelineGraph from '~/pipelines/components/pipeline_graph/pipeline_graph.vue';
+import GitlabCiYamlVisualization from '~/pipelines/components/pipeline_graph/gitlab_ci_yaml_visualization.vue';
+
+describe('gitlab yaml visualization component', () => {
+  const defaultProps = { blobData: yamlString };
+  let wrapper;
+
+  const createComponent = props => {
+    return shallowMount(GitlabCiYamlVisualization, {
+      propsData: {
+        ...defaultProps,
+        ...props,
+      },
+    });
+  };
+
+  const findGlTabComponents = () => wrapper.findAll(GlTab);
+  const findPipelineGraph = () => wrapper.find(PipelineGraph);
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  describe('tabs component', () => {
+    beforeEach(() => {
+      wrapper = createComponent();
+    });
+
+    it('renders the file and visualization tabs', () => {
+      expect(findGlTabComponents()).toHaveLength(2);
+    });
+  });
+
+  describe('graph component', () => {
+    beforeEach(() => {
+      wrapper = createComponent();
+    });
+
+    it('is hidden by default', () => {
+      expect(findPipelineGraph().exists()).toBe(false);
+    });
+  });
+});