1 files changed, 101 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/components/toggle_button_spec.js b/spec/frontend/vue_shared/components/toggle_button_spec.js
new file mode 100644
index 00000000000..83bbb37a89a
--- /dev/null
+++ b/spec/frontend/vue_shared/components/toggle_button_spec.js
@@ -0,0 +1,101 @@
+import Vue from 'vue';
+import mountComponent from 'helpers/vue_mount_component_helper';
+import toggleButton from '~/vue_shared/components/toggle_button.vue';
+
+describe('Toggle Button', () => {
+  let vm;
+  let Component;
+
+  beforeEach(() => {
+    Component = Vue.extend(toggleButton);
+  });
+
+  afterEach(() => {
+    vm.$destroy();
+  });
+
+  describe('render output', () => {
+    beforeEach(() => {
+      vm = mountComponent(Component, {
+        value: true,
+        name: 'foo',
+      });
+    });
+
+    it('renders input with provided name', () => {
+      expect(vm.$el.querySelector('input').getAttribute('name')).toEqual('foo');
+    });
+
+    it('renders input with provided value', () => {
+      expect(vm.$el.querySelector('input').getAttribute('value')).toEqual('true');
+    });
+
+    it('renders input status icon', () => {
+      expect(vm.$el.querySelectorAll('span.toggle-icon').length).toEqual(1);
+      expect(vm.$el.querySelectorAll('svg.s16.toggle-icon-svg').length).toEqual(1);
+    });
+  });
+
+  describe('is-checked', () => {
+    beforeEach(() => {
+      vm = mountComponent(Component, {
+        value: true,
+      });
+
+      jest.spyOn(vm, '$emit').mockImplementation(() => {});
+    });
+
+    it('renders is checked class', () => {
+      expect(vm.$el.querySelector('button').classList.contains('is-checked')).toEqual(true);
+    });
+
+    it('sets aria-label representing toggle state', () => {
+      vm.value = true;
+
+      expect(vm.ariaLabel).toEqual('Toggle Status: ON');
+
+      vm.value = false;
+
+      expect(vm.ariaLabel).toEqual('Toggle Status: OFF');
+    });
+
+    it('emits change event when clicked', () => {
+      vm.$el.querySelector('button').click();
+
+      expect(vm.$emit).toHaveBeenCalledWith('change', false);
+    });
+  });
+
+  describe('is-disabled', () => {
+    beforeEach(() => {
+      vm = mountComponent(Component, {
+        value: true,
+        disabledInput: true,
+      });
+      jest.spyOn(vm, '$emit').mockImplementation(() => {});
+    });
+
+    it('renders disabled button', () => {
+      expect(vm.$el.querySelector('button').classList.contains('is-disabled')).toEqual(true);
+    });
+
+    it('does not emit change event when clicked', () => {
+      vm.$el.querySelector('button').click();
+
+      expect(vm.$emit).not.toHaveBeenCalled();
+    });
+  });
+
+  describe('is-loading', () => {
+    beforeEach(() => {
+      vm = mountComponent(Component, {
+        value: true,
+        isLoading: true,
+      });
+    });
+
+    it('renders loading class', () => {
+      expect(vm.$el.querySelector('button').classList.contains('is-loading')).toEqual(true);
+    });
+  });
+});