support for desktop versions #20

tests/unit/application/Environment/BrowserOs/BrowserOsDetector.spec.ts

@@ -0,0 +1,28 @@
+import { expect } from 'chai';
+import { OperatingSystem } from '@/application/Environment/OperatingSystem';
+import { BrowserOsDetector } from '@/application/Environment/BrowserOs/BrowserOsDetector';
+import { BrowserOsTestCases } from './BrowserOsTestCases';
+
+describe('BrowserOsDetector', () => {
+    it('unkown when user agent is undefined', () => {
+        // arrange
+        const sut = new BrowserOsDetector();
+        // act
+        const actual = sut.detect(undefined);
+        // assert
+        expect(actual).to.equal(OperatingSystem.Unknown);
+    });
+    it('detects as expected', () => {
+        for (const testCase of BrowserOsTestCases) {
+            // arrange
+            const sut = new BrowserOsDetector();
+            // act
+            const actual = sut.detect(testCase.userAgent);
+            // assert
+            expect(actual).to.equal(testCase.expectedOs,
+                `Expected: "${OperatingSystem[testCase.expectedOs]}"\n` +
+                `Actual: "${OperatingSystem[actual]}"\n` +
+                `UserAgent: "${testCase.userAgent}"`);
+        }
+    });
+});