Added tests for video-access

src/input/camera_access.js

@@ -84,7 +84,7 @@ function applyCameraFacing(facing, constraints) {
             });
         });
     }
-    return Promise.resolve(merge({}, videoConstraints, {facingMode: facing}));
+    return Promise.resolve(merge({}, constraints, {video: {facingMode: facing}}));
 }
 
 function pickConstraints(videoConstraints) {

test/spec/camera_access.spec.js

@@ -13,7 +13,11 @@ beforeEach(function() {
     originalURL = window.URL;
     originalMediaStreamTrack = window.MediaStreamTrack;
     window.MediaStreamTrack = {};
-    window.URL = null;
+    window.URL = {
+        createObjectURL(stream) {
+            return stream;
+        }
+    };
 
     stream = {
         getVideoTracks: function() {
@@ -43,51 +47,119 @@ afterEach(function() {
 
 describe('success', function() {
     beforeEach(function() {
-        sinon.stub(navigator, "getUserMedia", function(constraints, success) {
-            success(stream);
+        sinon.stub(navigator.mediaDevices, "getUserMedia", function(constraints) {
+            return Promise.resolve(stream);
         });
     });
 
     afterEach(function() {
-        navigator.getUserMedia.restore();
+        navigator.mediaDevices.getUserMedia.restore();
     });
     describe('request', function () {
         it('should request the camera', function (done) {
-            CameraAccess.request(video, {}, function () {
-                expect(navigator.getUserMedia.calledOnce).to.equal(true);
+            CameraAccess.request(video, {})
+            .then(function () {
+                expect(navigator.mediaDevices.getUserMedia.calledOnce).to.equal(true);
                 expect(video.src).to.deep.equal(stream);
                 done();
-            });
+            })
+            window.setTimeout(() => {
+                video.onloadedmetadata();
+            }, 100);
+        });
+
+        it("should allow deprecated constraints to be used", (done) => {
+            CameraAccess.request(video, {
+                width: 320,
+                height: 240,
+                facing: "user",
+                minAspectRatio: 2,
+                maxAspectRatio: 100
+            })
+            .then(function () {
+                const call = navigator.mediaDevices.getUserMedia.getCall(0),
+                    args = call.args;
+                expect(call).to.be.defined;
+                expect(args[0].video.width).to.equal(320);
+                expect(args[0].video.height).to.equal(240);
+                expect(args[0].video.facingMode).to.equal("user");
+                expect(args[0].video.aspectRatio).to.equal(2);
+                expect(args[0].video.facing).not.to.be.defined;
+                expect(args[0].video.minAspectRatio).not.to.be.defined;
+                expect(args[0].video.maxAspectRatio).not.to.be.defined;
+                done();
+            })
+            window.setTimeout(() => {
+                video.onloadedmetadata();
+            }, 100);
+        });
+    });
+
+    describe('facingMode fallback in Chrome', () => {
+        beforeEach(() => {
+            window.MediaStreamTrack.getSources = (cb) => {
+                return cb([
+                    {kind: "video", facing: "environment", id: "environment"},
+                    {kind: "audio", id: "audio"},
+                    {kind: "video", facing: "user", id: "user"}
+                ]);
+            };
+        });
+
+        afterEach(() => {
+            window.MediaStreamTrack = {};
+        })
+
+        it("should set deviceId in case facingMode is not supported", (done) => {
+            CameraAccess.request(video, {
+                facing: "user"
+            })
+            .then(function () {
+                const call = navigator.mediaDevices.getUserMedia.getCall(0),
+                    args = call.args;
+                expect(call).to.be.defined;
+                expect(args[0].video.facingMode).not.to.be.defined;
+                expect(args[0].video.deviceId).to.equal("user");
+                done();
+            })
+            window.setTimeout(() => {
+                video.onloadedmetadata();
+            }, 100);
         });
     });
 
     describe('release', function () {
         it('should release the camera', function (done) {
-            CameraAccess.request(video, {}, function () {
+            CameraAccess.request(video, {})
+            .then(function () {
                 expect(video.src).to.deep.equal(stream);
                 CameraAccess.release();
                 expect(video.src.getVideoTracks()).to.have.length(1);
                 expect(video.src.getVideoTracks()[0].stop.calledOnce).to.equal(true);
                 done();
             });
+            window.setTimeout(() => {
+                video.onloadedmetadata();
+            }, 100);
         });
     });
 });
 
 describe('failure', function() {
     describe("permission denied", function(){
-        before(function() {
-            sinon.stub(navigator, "getUserMedia", function(constraints, success, failure) {
-                failure(new Error());
+        beforeEach(function() {
+            sinon.stub(navigator.mediaDevices, "getUserMedia", function(constraints, success, failure) {
+                return Promise.reject(new Error());
             });
         });
 
-        after(function() {
-            navigator.getUserMedia.restore();
+        afterEach(function() {
+            navigator.mediaDevices.getUserMedia.restore();
         });
 
         it('should throw if getUserMedia not available', function(done) {
-            CameraAccess.request(video, {}, function(err) {
+            CameraAccess.request(video, {})
+            .catch(function (err) {
                 expect(err).to.be.defined;
                 done();
             });
@@ -97,17 +169,18 @@ describe('failure', function() {
     describe("not available", function(){
         var originalGetUserMedia;
 
-        before(function() {
-            originalGetUserMedia = navigator.getUserMedia;
-            navigator.getUserMedia = undefined;
+        beforeEach(function() {
+            originalGetUserMedia = navigator.mediaDevices.getUserMedia;
+            navigator.mediaDevices.getUserMedia = undefined;
         });
 
-        after(function() {
-            navigator.getUserMedia = originalGetUserMedia;
+        afterEach(function() {
+            navigator.mediaDevices.getUserMedia = originalGetUserMedia;
         });
 
         it('should throw if getUserMedia not available', function(done) {
-            CameraAccess.request(video, {}, function(err) {
+            CameraAccess.request(video, {})
+            .catch((err) => {
                 expect(err).to.be.defined;
                 done();
             });