1 files changed, 59 insertions, 0 deletions
diff --git a/spec/frontend/boards/components/board_add_new_column_trigger_spec.js b/spec/frontend/boards/components/board_add_new_column_trigger_spec.js
new file mode 100644
index 00000000000..c35f2463f69
--- /dev/null
+++ b/spec/frontend/boards/components/board_add_new_column_trigger_spec.js
@@ -0,0 +1,59 @@
+import { GlButton } from '@gitlab/ui';
+import Vue from 'vue';
+import Vuex from 'vuex';
+import { mountExtended } from 'helpers/vue_test_utils_helper';
+import BoardAddNewColumnTrigger from '~/boards/components/board_add_new_column_trigger.vue';
+import { createStore } from '~/boards/stores';
+import { createMockDirective, getBinding } from 'helpers/vue_mock_directive';
+
+Vue.use(Vuex);
+
+describe('BoardAddNewColumnTrigger', () => {
+  let wrapper;
+
+  const findBoardsCreateList = () => wrapper.findByTestId('boards-create-list');
+  const findTooltipText = () => getBinding(findBoardsCreateList().element, 'gl-tooltip');
+
+  const mountComponent = () => {
+    wrapper = mountExtended(BoardAddNewColumnTrigger, {
+      directives: {
+        GlTooltip: createMockDirective(),
+      },
+      store: createStore(),
+    });
+  };
+
+  beforeEach(() => {
+    mountComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('when button is active', () => {
+    it('does not show the tooltip', () => {
+      const tooltip = findTooltipText();
+
+      expect(tooltip.value).toBe('');
+    });
+
+    it('renders an enabled button', () => {
+      const button = wrapper.find(GlButton);
+
+      expect(button.props('disabled')).toBe(false);
+    });
+  });
+
+  describe('when button is disabled', () => {
+    it('shows the tooltip', async () => {
+      wrapper.find(GlButton).vm.$emit('click');
+
+      await wrapper.vm.$nextTick();
+
+      const tooltip = findTooltipText();
+
+      expect(tooltip.value).toBe('The list creation wizard is already open');
+    });
+  });
+});