1 files changed, 103 insertions, 0 deletions
diff --git a/spec/frontend/sidebar/components/assignees/uncollapsed_assignee_list_spec.js b/spec/frontend/sidebar/components/assignees/uncollapsed_assignee_list_spec.js
new file mode 100644
index 00000000000..6398351834c
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+++ b/spec/frontend/sidebar/components/assignees/uncollapsed_assignee_list_spec.js
@@ -0,0 +1,103 @@
+import { mount } from '@vue/test-utils';
+import UncollapsedAssigneeList from '~/sidebar/components/assignees/uncollapsed_assignee_list.vue';
+import AssigneeAvatarLink from '~/sidebar/components/assignees/assignee_avatar_link.vue';
+import { TEST_HOST } from 'helpers/test_constants';
+import userDataMock from '../../user_data_mock';
+import UsersMockHelper from '../../../helpers/user_mock_data_helper';
+
+const DEFAULT_RENDER_COUNT = 5;
+
+describe('UncollapsedAssigneeList component', () => {
+  let wrapper;
+
+  function createComponent(props = {}) {
+    const propsData = {
+      users: [],
+      rootPath: TEST_HOST,
+      ...props,
+    };
+
+    wrapper = mount(UncollapsedAssigneeList, {
+      sync: false,
+      propsData,
+    });
+  }
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  const findMoreButton = () => wrapper.find('.user-list-more button');
+
+  describe('One assignee/user', () => {
+    let user;
+
+    beforeEach(() => {
+      user = userDataMock();
+
+      createComponent({
+        users: [user],
+      });
+    });
+
+    it('only has one user', () => {
+      expect(wrapper.findAll(AssigneeAvatarLink).length).toBe(1);
+    });
+
+    it('calls the AssigneeAvatarLink with the proper props', () => {
+      expect(wrapper.find(AssigneeAvatarLink).exists()).toBe(true);
+      expect(wrapper.find(AssigneeAvatarLink).props().tooltipPlacement).toEqual('left');
+    });
+
+    it('Shows one user with avatar, username and author name', () => {
+      expect(wrapper.text()).toContain(user.name);
+      expect(wrapper.text()).toContain(`@${user.username}`);
+    });
+  });
+
+  describe('n+ more label', () => {
+    describe('when users count is rendered users', () => {
+      beforeEach(() => {
+        createComponent({
+          users: UsersMockHelper.createNumberRandomUsers(DEFAULT_RENDER_COUNT),
+        });
+      });
+
+      it('does not show more label', () => {
+        expect(findMoreButton().exists()).toBe(false);
+      });
+    });
+
+    describe('when more than rendered users', () => {
+      beforeEach(() => {
+        createComponent({
+          users: UsersMockHelper.createNumberRandomUsers(DEFAULT_RENDER_COUNT + 1),
+        });
+      });
+
+      it('shows "+1 more" label', () => {
+        expect(findMoreButton().text()).toBe('+ 1 more');
+      });
+
+      it('shows truncated users', () => {
+        expect(wrapper.findAll(AssigneeAvatarLink).length).toBe(DEFAULT_RENDER_COUNT);
+      });
+
+      describe('when more button is clicked', () => {
+        beforeEach(() => {
+          findMoreButton().trigger('click');
+
+          return wrapper.vm.$nextTick();
+        });
+
+        it('shows "show less" label', () => {
+          expect(findMoreButton().text()).toBe('- show less');
+        });
+
+        it('shows all users', () => {
+          expect(wrapper.findAll(AssigneeAvatarLink).length).toBe(DEFAULT_RENDER_COUNT + 1);
+        });
+      });
+    });
+  });
+});