Add latest changes from gitlab-org/gitlab@master

1 files changed, 44 insertions, 0 deletions

diff --git a/spec/frontend/vue_shared/components/page_size_selector_spec.js b/spec/frontend/vue_shared/components/page_size_selector_spec.js
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+++ b/spec/frontend/vue_shared/components/page_size_selector_spec.js
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+import { GlDropdown, GlDropdownItem } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import PageSizeSelector, { PAGE_SIZES } from '~/vue_shared/components/page_size_selector.vue';
+
+describe('Page size selector component', () => {
+  let wrapper;
+
+  const createWrapper = ({ pageSize = 20 } = {}) => {
+    wrapper = shallowMount(PageSizeSelector, {
+      propsData: { value: pageSize },
+    });
+  };
+
+  const findDropdown = () => wrapper.findComponent(GlDropdown);
+  const findDropdownItems = () => wrapper.findAllComponents(GlDropdownItem);
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  it.each(PAGE_SIZES)('shows expected text in the dropdown button for page size %s', (pageSize) => {
+    createWrapper({ pageSize });
+
+    expect(findDropdown().props('text')).toBe(`Show ${pageSize} items`);
+  });
+
+  it('shows the expected dropdown items', () => {
+    createWrapper();
+
+    PAGE_SIZES.forEach((pageSize, index) => {
+      expect(findDropdownItems().at(index).text()).toBe(`Show ${pageSize} items`);
+    });
+  });
+
+  it('will emit the new page size when a dropdown item is clicked', () => {
+    createWrapper();
+
+    findDropdownItems().wrappers.forEach((itemWrapper, index) => {
+      itemWrapper.vm.$emit('click');
+
+      expect(wrapper.emitted('input')[index][0]).toBe(PAGE_SIZES[index]);
+    });
+  });
+});