1 files changed, 138 insertions, 0 deletions
diff --git a/spec/frontend/ci/pipeline_editor/components/file-tree/container_spec.js b/spec/frontend/ci/pipeline_editor/components/file-tree/container_spec.js
new file mode 100644
index 00000000000..11ba517e0eb
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+++ b/spec/frontend/ci/pipeline_editor/components/file-tree/container_spec.js
@@ -0,0 +1,138 @@
+import { nextTick } from 'vue';
+import { shallowMount } from '@vue/test-utils';
+import { GlAlert } from '@gitlab/ui';
+import { extendedWrapper } from 'helpers/vue_test_utils_helper';
+import { createMockDirective } from 'helpers/vue_mock_directive';
+import PipelineEditorFileTreeContainer from '~/ci/pipeline_editor/components/file_tree/container.vue';
+import PipelineEditorFileTreeItem from '~/ci/pipeline_editor/components/file_tree/file_item.vue';
+import { FILE_TREE_TIP_DISMISSED_KEY } from '~/ci/pipeline_editor/constants';
+import { mockCiConfigPath, mockIncludes, mockIncludesHelpPagePath } from '../../mock_data';
+
+describe('Pipeline editor file nav', () => {
+  let wrapper;
+
+  const createComponent = ({ includes = mockIncludes, stubs } = {}) => {
+    wrapper = extendedWrapper(
+      shallowMount(PipelineEditorFileTreeContainer, {
+        provide: {
+          ciConfigPath: mockCiConfigPath,
+          includesHelpPagePath: mockIncludesHelpPagePath,
+        },
+        propsData: {
+          includes,
+        },
+        directives: {
+          GlTooltip: createMockDirective(),
+        },
+        stubs,
+      }),
+    );
+  };
+
+  const findTip = () => wrapper.findComponent(GlAlert);
+  const findCurrentConfigFilename = () => wrapper.findByTestId('current-config-filename');
+  const fileTreeItems = () => wrapper.findAllComponents(PipelineEditorFileTreeItem);
+
+  afterEach(() => {
+    localStorage.clear();
+    wrapper.destroy();
+  });
+
+  describe('template', () => {
+    beforeEach(() => {
+      createComponent({ stubs: { GlAlert } });
+    });
+
+    it('renders config file as a file item', () => {
+      expect(findCurrentConfigFilename().text()).toBe(mockCiConfigPath);
+    });
+  });
+
+  describe('when includes list is empty', () => {
+    describe('when dismiss state is not saved in local storage', () => {
+      beforeEach(() => {
+        createComponent({
+          includes: [],
+          stubs: { GlAlert },
+        });
+      });
+
+      it('does not render filenames', () => {
+        expect(fileTreeItems().exists()).toBe(false);
+      });
+
+      it('renders alert tip', async () => {
+        expect(findTip().exists()).toBe(true);
+      });
+
+      it('renders learn more link', async () => {
+        expect(findTip().props('secondaryButtonLink')).toBe(mockIncludesHelpPagePath);
+      });
+
+      it('can dismiss the tip', async () => {
+        expect(findTip().exists()).toBe(true);
+
+        findTip().vm.$emit('dismiss');
+        await nextTick();
+
+        expect(findTip().exists()).toBe(false);
+      });
+    });
+
+    describe('when dismiss state is saved in local storage', () => {
+      beforeEach(() => {
+        localStorage.setItem(FILE_TREE_TIP_DISMISSED_KEY, 'true');
+        createComponent({
+          includes: [],
+          stubs: { GlAlert },
+        });
+      });
+
+      it('does not render alert tip', async () => {
+        expect(findTip().exists()).toBe(false);
+      });
+    });
+
+    describe('when component receives new props with includes files', () => {
+      beforeEach(() => {
+        createComponent({ includes: [] });
+      });
+
+      it('hides tip and renders list of files', async () => {
+        expect(findTip().exists()).toBe(true);
+        expect(fileTreeItems()).toHaveLength(0);
+
+        await wrapper.setProps({ includes: mockIncludes });
+
+        expect(findTip().exists()).toBe(false);
+        expect(fileTreeItems()).toHaveLength(mockIncludes.length);
+      });
+    });
+  });
+
+  describe('when there are includes files', () => {
+    beforeEach(() => {
+      createComponent({ stubs: { GlAlert } });
+    });
+
+    it('does not render alert tip', () => {
+      expect(findTip().exists()).toBe(false);
+    });
+
+    it('renders the list of files', () => {
+      expect(fileTreeItems()).toHaveLength(mockIncludes.length);
+    });
+
+    describe('when component receives new props with empty includes', () => {
+      it('shows tip and does not render list of files', async () => {
+        expect(findTip().exists()).toBe(false);
+        expect(fileTreeItems()).toHaveLength(mockIncludes.length);
+
+        await wrapper.setProps({ includes: [] });
+
+        expect(findTip().exists()).toBe(true);
+        expect(fileTreeItems()).toHaveLength(0);
+      });
+    });
+  });
+});