3 files changed, 50 insertions, 5 deletions
diff --git a/spec/javascripts/u2f/authenticate_spec.js b/spec/javascripts/u2f/authenticate_spec.js
index 29b15f3a782..4d15bcc4956 100644
--- a/spec/javascripts/u2f/authenticate_spec.js
+++ b/spec/javascripts/u2f/authenticate_spec.js
@@ -5,7 +5,7 @@ import MockU2FDevice from './mock_u2f_device';
 describe('U2FAuthenticate', () => {
   preloadFixtures('u2f/authenticate.html.raw');
 
-  beforeEach(() => {
+  beforeEach((done) => {
     loadFixtures('u2f/authenticate.html.raw');
     this.u2fDevice = new MockU2FDevice();
     this.container = $('#js-authenticate-u2f');
@@ -22,7 +22,7 @@ describe('U2FAuthenticate', () => {
     // bypass automatic form submission within renderAuthenticated
     spyOn(this.component, 'renderAuthenticated').and.returnValue(true);
 
-    return this.component.start();
+    this.component.start().then(done).catch(done.fail);
   });
 
   it('allows authenticating via a U2F device', () => {
@@ -34,7 +34,7 @@ describe('U2FAuthenticate', () => {
     expect(this.component.renderAuthenticated).toHaveBeenCalledWith('{"deviceData":"this is data from the device"}');
   });
 
-  return describe('errors', () => {
+  describe('errors', () => {
     it('displays an error message', () => {
       const setupButton = this.container.find('#js-login-u2f-device');
       setupButton.trigger('click');
diff --git a/spec/javascripts/u2f/register_spec.js b/spec/javascripts/u2f/register_spec.js
index b0051f11362..dbe89c2923c 100644
--- a/spec/javascripts/u2f/register_spec.js
+++ b/spec/javascripts/u2f/register_spec.js
@@ -5,12 +5,12 @@ import MockU2FDevice from './mock_u2f_device';
 describe('U2FRegister', () => {
   preloadFixtures('u2f/register.html.raw');
 
-  beforeEach(() => {
+  beforeEach((done) => {
     loadFixtures('u2f/register.html.raw');
     this.u2fDevice = new MockU2FDevice();
     this.container = $('#js-register-u2f');
     this.component = new U2FRegister(this.container, $('#js-register-u2f-templates'), {}, 'token');
-    return this.component.start();
+    this.component.start().then(done).catch(done.fail);
   });
 
   it('allows registering a U2F device', () => {
diff --git a/spec/javascripts/u2f/util_spec.js b/spec/javascripts/u2f/util_spec.js
new file mode 100644
index 00000000000..4187183236f
--- /dev/null
+++ b/spec/javascripts/u2f/util_spec.js
@@ -0,0 +1,45 @@
+import { canInjectU2fApi } from '~/u2f/util';
+
+describe('U2F Utils', () => {
+  describe('canInjectU2fApi', () => {
+    it('returns false for Chrome < 41', () => {
+      const userAgent = 'Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.28 Safari/537.36';
+      expect(canInjectU2fApi(userAgent)).toBe(false);
+    });
+
+    it('returns true for Chrome >= 41', () => {
+      const userAgent = 'Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36';
+      expect(canInjectU2fApi(userAgent)).toBe(true);
+    });
+
+    it('returns false for Opera < 40', () => {
+      const userAgent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36 OPR/32.0.1948.25';
+      expect(canInjectU2fApi(userAgent)).toBe(false);
+    });
+
+    it('returns true for Opera >= 40', () => {
+      const userAgent = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36 OPR/43.0.2442.991';
+      expect(canInjectU2fApi(userAgent)).toBe(true);
+    });
+
+    it('returns false for Safari', () => {
+      const userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4';
+      expect(canInjectU2fApi(userAgent)).toBe(false);
+    });
+
+    it('returns false for Chrome on Android', () => {
+      const userAgent = 'Mozilla/5.0 (Linux; Android 7.0; VS988 Build/NRD90U) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3145.0 Mobile Safari/537.36';
+      expect(canInjectU2fApi(userAgent)).toBe(false);
+    });
+
+    it('returns false for Chrome on iOS', () => {
+      const userAgent = 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) CriOS/56.0.2924.75 Mobile/14E5239e Safari/602.1';
+      expect(canInjectU2fApi(userAgent)).toBe(false);
+    });
+
+    it('returns false for Safari on iOS', () => {
+      const userAgent = 'Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A356 Safari/604.1';
+      expect(canInjectU2fApi(userAgent)).toBe(false);
+    });
+  });
+});