MOBILE-4069 test: Add unit tests to CoreBrowser singleton

src/core/singletons/tests/browser.test.ts

@@ -0,0 +1,68 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CoreBrowser } from '@singletons/browser';
+
+describe('CoreBrowser singleton', () => {
+
+    it('detects if cookie exists', () => {
+        document.cookie = 'first-cookie=foo';
+        document.cookie = 'second-cookie=bar';
+
+        expect(CoreBrowser.hasCookie('first-cookie')).toBe(true);
+        expect(CoreBrowser.hasCookie('second-cookie')).toBe(true);
+        expect(CoreBrowser.hasCookie('third-cookie')).toBe(false);
+    });
+
+    it('gets a cookie', () => {
+        document.cookie = 'first-cookie=foo';
+        document.cookie = 'second-cookie=bar';
+
+        expect(CoreBrowser.getCookie('first-cookie')).toEqual('foo');
+        expect(CoreBrowser.getCookie('second-cookie')).toEqual('bar');
+        expect(CoreBrowser.getCookie('third-cookie')).toEqual(null);
+    });
+
+    it('detects if a localStorage entry exists', () => {
+        localStorage.setItem('first', 'foo');
+        localStorage.setItem('second', 'bar');
+
+        expect(CoreBrowser.hasLocalStorage('first')).toBe(true);
+        expect(CoreBrowser.hasLocalStorage('second')).toBe(true);
+        expect(CoreBrowser.hasLocalStorage('third')).toBe(false);
+    });
+
+    it('gets a localStorage entry', () => {
+        localStorage.setItem('first', 'foo');
+        localStorage.setItem('second', 'bar');
+
+        expect(CoreBrowser.getLocalStorage('first')).toEqual('foo');
+        expect(CoreBrowser.getLocalStorage('second')).toEqual('bar');
+        expect(CoreBrowser.getLocalStorage('third')).toEqual(null);
+    });
+
+    it('sets, gets and removes development settings', () => {
+        CoreBrowser.setDevelopmentSetting('first', 'foo');
+        CoreBrowser.setDevelopmentSetting('second', 'bar');
+
+        expect(CoreBrowser.getDevelopmentSetting('first')).toEqual('foo');
+        expect(CoreBrowser.getDevelopmentSetting('second')).toEqual('bar');
+        expect(CoreBrowser.getDevelopmentSetting('third')).toEqual(null);
+
+        CoreBrowser.clearDevelopmentSetting('second');
+
+        expect(CoreBrowser.getDevelopmentSetting('second')).toEqual(null);
+    });
+
+});