Created sidebar reducer test

test/common/reducer/sidebar.test.ts

@@ -0,0 +1,31 @@
+import { Mock } from 'ts-mockery';
+import reducer, {
+  Sidebar,
+  SIDEBAR_NOT_PRESENT,
+  SIDEBAR_PRESENT,
+  sidebarNotPresent,
+  sidebarPresent,
+} from '../../../src/common/reducers/sidebar';
+
+describe('sidebarReducer', () => {
+  describe('reducer', () => {
+    it.each([
+      [ SIDEBAR_PRESENT, { sidebarPresent: true }],
+      [ SIDEBAR_NOT_PRESENT, { sidebarPresent: false }],
+    ])('returns expected on %s', (type, expected) => {
+      expect(reducer(Mock.all<Sidebar>(), { type })).toEqual(expected);
+    });
+  });
+
+  describe('sidebarPresent', () => {
+    it('returns expected action', () => {
+      expect(sidebarPresent()).toEqual({ type: SIDEBAR_PRESENT });
+    });
+  });
+
+  describe('sidebarNotPresent', () => {
+    it('returns expected action', () => {
+      expect(sidebarNotPresent()).toEqual({ type: SIDEBAR_NOT_PRESENT });
+    });
+  });
+});