1 files changed, 169 insertions, 0 deletions
diff --git a/spec/frontend/boards/components/board_list_header_new_spec.js b/spec/frontend/boards/components/board_list_header_new_spec.js
new file mode 100644
index 00000000000..80786d82620
--- /dev/null
+++ b/spec/frontend/boards/components/board_list_header_new_spec.js
@@ -0,0 +1,169 @@
+import Vuex from 'vuex';
+import { shallowMount, createLocalVue } from '@vue/test-utils';
+
+import { listObj } from 'jest/boards/mock_data';
+import BoardListHeader from '~/boards/components/board_list_header_new.vue';
+import List from '~/boards/models/list';
+import { ListType } from '~/boards/constants';
+
+const localVue = createLocalVue();
+
+localVue.use(Vuex);
+
+describe('Board List Header Component', () => {
+  let wrapper;
+  let store;
+
+  const updateListSpy = jest.fn();
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+
+    localStorage.clear();
+  });
+
+  const createComponent = ({
+    listType = ListType.backlog,
+    collapsed = false,
+    withLocalStorage = true,
+    currentUserId = null,
+  } = {}) => {
+    const boardId = '1';
+
+    const listMock = {
+      ...listObj,
+      list_type: listType,
+      collapsed,
+    };
+
+    if (listType === ListType.assignee) {
+      delete listMock.label;
+      listMock.user = {};
+    }
+
+    const list = new List({ ...listMock, doNotFetchIssues: true });
+
+    if (withLocalStorage) {
+      localStorage.setItem(
+        `boards.${boardId}.${list.type}.${list.id}.expanded`,
+        (!collapsed).toString(),
+      );
+    }
+
+    store = new Vuex.Store({
+      state: {},
+      actions: { updateList: updateListSpy },
+      getters: {},
+    });
+
+    wrapper = shallowMount(BoardListHeader, {
+      store,
+      localVue,
+      propsData: {
+        disabled: false,
+        list,
+      },
+      provide: {
+        boardId,
+        weightFeatureAvailable: false,
+        currentUserId,
+      },
+    });
+  };
+
+  const isExpanded = () => wrapper.vm.list.isExpanded;
+  const isCollapsed = () => !isExpanded();
+
+  const findAddIssueButton = () => wrapper.find({ ref: 'newIssueBtn' });
+  const findCaret = () => wrapper.find('.board-title-caret');
+
+  describe('Add issue button', () => {
+    const hasNoAddButton = [ListType.promotion, ListType.blank, ListType.closed];
+    const hasAddButton = [ListType.backlog, ListType.label, ListType.milestone, ListType.assignee];
+
+    it.each(hasNoAddButton)('does not render when List Type is `%s`', listType => {
+      createComponent({ listType });
+
+      expect(findAddIssueButton().exists()).toBe(false);
+    });
+
+    it.each(hasAddButton)('does render when List Type is `%s`', listType => {
+      createComponent({ listType });
+
+      expect(findAddIssueButton().exists()).toBe(true);
+    });
+
+    it('has a test for each list type', () => {
+      createComponent();
+
+      Object.values(ListType).forEach(value => {
+        expect([...hasAddButton, ...hasNoAddButton]).toContain(value);
+      });
+    });
+
+    it('does render when logged out', () => {
+      createComponent();
+
+      expect(findAddIssueButton().exists()).toBe(true);
+    });
+  });
+
+  describe('expanding / collapsing the column', () => {
+    it('does not collapse when clicking the header', async () => {
+      createComponent();
+
+      expect(isCollapsed()).toBe(false);
+
+      wrapper.find('[data-testid="board-list-header"]').trigger('click');
+
+      await wrapper.vm.$nextTick();
+
+      expect(isCollapsed()).toBe(false);
+    });
+
+    it('collapses expanded Column when clicking the collapse icon', async () => {
+      createComponent();
+
+      expect(isExpanded()).toBe(true);
+
+      findCaret().vm.$emit('click');
+
+      await wrapper.vm.$nextTick();
+
+      expect(isCollapsed()).toBe(true);
+    });
+
+    it('expands collapsed Column when clicking the expand icon', async () => {
+      createComponent({ collapsed: true });
+
+      expect(isCollapsed()).toBe(true);
+
+      findCaret().vm.$emit('click');
+
+      await wrapper.vm.$nextTick();
+
+      expect(isCollapsed()).toBe(false);
+    });
+
+    it("when logged in it calls list update and doesn't set localStorage", async () => {
+      createComponent({ withLocalStorage: false, currentUserId: 1 });
+
+      findCaret().vm.$emit('click');
+      await wrapper.vm.$nextTick();
+
+      expect(updateListSpy).toHaveBeenCalledTimes(1);
+      expect(localStorage.getItem(`${wrapper.vm.uniqueKey}.expanded`)).toBe(null);
+    });
+
+    it("when logged out it doesn't call list update and sets localStorage", async () => {
+      createComponent();
+
+      findCaret().vm.$emit('click');
+      await wrapper.vm.$nextTick();
+
+      expect(updateListSpy).not.toHaveBeenCalled();
+      expect(localStorage.getItem(`${wrapper.vm.uniqueKey}.expanded`)).toBe(String(isExpanded()));
+    });
+  });
+});