Add latest changes from gitlab-org/gitlab@master

1 files changed, 96 insertions, 0 deletions

diff --git a/spec/frontend/vue_shared/components/loading_button_spec.js b/spec/frontend/vue_shared/components/loading_button_spec.js
new file mode 100644
index 00000000000..34fac37c250
--- /dev/null
+++ b/spec/frontend/vue_shared/components/loading_button_spec.js
@@ -0,0 +1,96 @@
+import { shallowMount } from '@vue/test-utils';
+import LoadingButton from '~/vue_shared/components/loading_button.vue';
+
+const LABEL = 'Hello';
+
+describe('LoadingButton', () => {
+  let wrapper;
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  const buildWrapper = (propsData = {}) => {
+    wrapper = shallowMount(LoadingButton, {
+      propsData,
+    });
+  };
+  const findButtonLabel = () => wrapper.find('.js-loading-button-label');
+  const findButtonIcon = () => wrapper.find('.js-loading-button-icon');
+
+  describe('loading spinner', () => {
+    it('shown when loading', () => {
+      buildWrapper({ loading: true });
+
+      expect(findButtonIcon().exists()).toBe(true);
+    });
+  });
+
+  describe('disabled state', () => {
+    it('disabled when loading', () => {
+      buildWrapper({ loading: true });
+      expect(wrapper.attributes('disabled')).toBe('disabled');
+    });
+
+    it('not disabled when normal', () => {
+      buildWrapper({ loading: false });
+
+      expect(wrapper.attributes('disabled')).toBe(undefined);
+    });
+  });
+
+  describe('label', () => {
+    it('shown when normal', () => {
+      buildWrapper({ loading: false, label: LABEL });
+      expect(findButtonLabel().text()).toBe(LABEL);
+    });
+
+    it('shown when loading', () => {
+      buildWrapper({ loading: false, label: LABEL });
+      expect(findButtonLabel().text()).toBe(LABEL);
+    });
+  });
+
+  describe('container class', () => {
+    it('should default to btn btn-align-content', () => {
+      buildWrapper();
+
+      expect(wrapper.classes()).toContain('btn');
+      expect(wrapper.classes()).toContain('btn-align-content');
+    });
+
+    it('should be configurable through props', () => {
+      const containerClass = 'test-class';
+
+      buildWrapper({
+        containerClass,
+      });
+
+      expect(wrapper.classes()).not.toContain('btn');
+      expect(wrapper.classes()).not.toContain('btn-align-content');
+      expect(wrapper.classes()).toContain(containerClass);
+    });
+  });
+
+  describe('click callback prop', () => {
+    it('calls given callback when normal', () => {
+      buildWrapper({
+        loading: false,
+      });
+
+      wrapper.trigger('click');
+
+      expect(wrapper.emitted('click')).toBeTruthy();
+    });
+
+    it('does not call given callback when disabled because of loading', () => {
+      buildWrapper({
+        loading: true,
+      });
+
+      wrapper.trigger('click');
+
+      expect(wrapper.emitted('click')).toBeFalsy();
+    });
+  });
+});