support select CA file extension

test/spec_lib/webInterface.js

@@ -0,0 +1,44 @@
+const WebInterface = require('../../lib/webInterface.js');
+const Recorder = require('../../lib/recorder');
+const { directGet } = require('../util/HttpUtil.js');
+
+describe('WebInterface server', () => {
+  let webServer = null;
+  let webHost = 'http://127.0.0.1:8002';
+
+  beforeAll(() => {
+    const recorder = new Recorder();
+    webServer = new WebInterface({
+      webPort: 8002,
+    }, recorder);
+  });
+
+  afterAll(() => {
+    webServer.close();
+  });
+
+  it('should support change CA extensions in /getQrCode', done => {
+    const certFileTypes = ['crt', 'cer', 'pem', 'der'];
+    const tasks = certFileTypes.map((type) => {
+      return directGet(`${webHost}/api/getQrCode`, { type })
+        .then(res => {
+          const body = JSON.parse(res.body);
+          expect(body.qrImgDom).toMatch('<img src="data:image/');
+          expect(body.url).toBe(`${webHost}/fetchCrtFile?type=${type}`);
+        });
+    });
+
+    Promise.all(tasks)
+      .then(done)
+      .catch(done);
+  });
+
+  it('should fallback to .crt file in /getQrCode', done => {
+    directGet(`${webHost}/api/getQrCode`, { type: 'unkonw' })
+      .then(res => {
+        expect(JSON.parse(res.body).url).toBe(`${webHost}/fetchCrtFile?type=crt`);
+        done();
+      })
+      .catch(done);
+  });
+});