Tests for group_identicon component

spec/javascripts/groups/group_identicon_spec.js

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+import Vue from 'vue';
+import groupIdenticonComponent from '~/groups/components/group_identicon.vue';
+import GroupsStore from '~/groups/stores/groups_store';
+import { group1 } from './mock_data';
+
+const createComponent = () => {
+  const Component = Vue.extend(groupIdenticonComponent);
+  const store = new GroupsStore();
+  const group = store.decorateGroup(group1);
+
+  return new Component({
+    el: document.createElement('div'),
+    propsData: {
+      entityId: group.id,
+      entityName: group.name,
+    },
+  });
+};
+
+describe('GroupIdenticonComponent', () => {
+  let vm;
+  let el;
+
+  beforeEach(() => {
+    vm = createComponent();
+    el = vm.$el;
+  });
+
+  describe('props', () => {
+    it('should have props with defined data types', (done) => {
+      const identiconProps = groupIdenticonComponent.props;
+      const EntityIdTypeClass = identiconProps.entityId.type;
+      const EntityNameTypeClass = identiconProps.entityName.type;
+
+      Vue.nextTick(() => {
+        expect(identiconProps.entityId).toBeDefined();
+        expect(new EntityIdTypeClass() instanceof Number).toBeTruthy();
+        expect(identiconProps.entityId.required).toBeTruthy();
+
+        expect(identiconProps.entityName).toBeDefined();
+        expect(new EntityNameTypeClass() instanceof String).toBeTruthy();
+        expect(identiconProps.entityName.required).toBeTruthy();
+        done();
+      });
+    });
+  });
+
+  describe('computed', () => {
+    describe('identiconStyles', () => {
+      it('should return styles attribute value with `background-color` property', () => {
+        vm.entityId = 4;
+
+        expect(vm.identiconStyles).toBeDefined();
+        expect(vm.identiconStyles.indexOf('background-color: #E0F2F1;') > -1).toBeTruthy();
+      });
+
+      it('should return styles attribute value with `color` property', () => {
+        vm.entityId = 4;
+
+        expect(vm.identiconStyles).toBeDefined();
+        expect(vm.identiconStyles.indexOf('color: #555;') > -1).toBeTruthy();
+      });
+    });
+
+    describe('identiconTitle', () => {
+      it('should return first letter of entity title in uppercase', () => {
+        vm.entityName = 'dummy-group';
+
+        expect(vm.identiconTitle).toBeDefined();
+        expect(vm.identiconTitle).toBe('D');
+      });
+    });
+  });
+
+  describe('template', () => {
+    it('should render identicon', () => {
+      expect(el.nodeName).toBe('DIV');
+      expect(el.classList.contains('identicon')).toBeTruthy();
+      expect(el.getAttribute('style').indexOf('background-color') > -1).toBeTruthy();
+    });
+  });
+});