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<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title>RTCRtpScriptTransformer.generateKeyFrame tests</title>
<meta name='timeout' content='long'>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src='../mediacapture-streams/permission-helper.js'></script>
</head>
<body>
<video id='video1' autoplay></video>
<video id='video2' autoplay></video>
<script src ='routines.js'></script>
<script src ='../webrtc/simulcast/simulcast.js'></script>
<script src ='../webrtc/RTCPeerConnection-helper.js'></script>
<script src='../webrtc/third_party/sdp/sdp.js'></script>
<script>
const generateKeyFrame = (port, opts) => postMethod(port, 'generateKeyFrame', opts);
const generateKeyFrameDoesNotThrow = (port, opts) => postMethod(port, 'generateKeyFrameDoesNotThrow', opts);
const waitForFrame = port => postMethod(port, 'waitForFrame');
promise_test(async (test) => {
const {sender, receiver} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {audio: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
// No rids
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'failure');
assert_equals(message.value, 'InvalidStateError', `Message: ${message.message}`);
message = await waitForFrame(receiver.transform.port);
assert_equals(message, 'got frame');
// No rids
message = await generateKeyFrame(receiver.transform.port);
assert_equals(message.result, 'failure');
assert_equals(message.value, 'InvalidStateError', `Message: ${message.message}`);
}, 'generateKeyFrame() throws for audio');
promise_test(async (test) => {
const {sender, receiver} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
// No rids
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
// value should be a timestamp
assert_equals(typeof message.value, 'number');
assert_greater_than(message.value, 0);
// No rids
message = await generateKeyFrame(receiver.transform.port);
assert_equals(message.result, 'failure');
assert_equals(message.value, 'InvalidStateError', `Message: ${message.message}`);
video1.srcObject = new MediaStream([receiver.track]);
await video1.play();
}, 'generateKeyFrame(null) resolves for video sender, and throws for video receiver');
promise_test(async (test) => {
const {sender, receiver} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
// Invalid rid, empty string
message = await generateKeyFrame(sender.transform.port, {rid: ''});
assert_equals(message.result, 'failure');
assert_equals(message.value, 'NotAllowedError', `Message: ${message.message}`);
// Invalid rid, bad ASCII characters
message = await generateKeyFrame(sender.transform.port, {rid: '!?'});
assert_equals(message.result, 'failure');
assert_equals(message.value, 'NotAllowedError', `Message: ${message.message}`);
// Invalid rid, bad ASCII characters (according to RFC 8852, but not RFC 8851)
message = await generateKeyFrame(sender.transform.port, {rid: 'foo-bar'});
assert_equals(message.result, 'failure');
assert_equals(message.value, 'NotAllowedError', `Message: ${message.message}`);
// Invalid rid, bad ASCII characters (according to RFC 8852, but not RFC 8851)
message = await generateKeyFrame(sender.transform.port, {rid: 'foo_bar'});
assert_equals(message.result, 'failure');
assert_equals(message.value, 'NotAllowedError', `Message: ${message.message}`);
// Invalid rid, bad non-ASCII characters
message = await generateKeyFrame(sender.transform.port, {rid: '(╯°□°)╯︵ ┻━┻'});
assert_equals(message.result, 'failure');
assert_equals(message.value, 'NotAllowedError', `Message: ${message.message}`);
// Invalid rid, too long
message = await generateKeyFrame(sender.transform.port, {rid: 'a'.repeat(256)});
assert_equals(message.result, 'failure');
assert_equals(message.value, 'NotAllowedError', `Message: ${message.message}`);
}, 'generateKeyFrame throws NotAllowedError for invalid rid');
promise_test(async (test) => {
const {sender, receiver} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
message = await generateKeyFrame(sender.transform.port, {rid: 'foo'});
assert_equals(message.result, 'failure');
assert_equals(message.value, 'NotFoundError', `Message: ${message.message}`);
}, 'generateKeyFrame throws NotFoundError for unknown rid');
promise_test(async (test) => {
const {sender, receiver} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
const senderTransform = sender.transform;
sender.transform = null;
message = await generateKeyFrameDoesNotThrow(senderTransform.port);
assert_equals(message.result, 'success');
}, 'generateKeyFrame does not throw for unset transforms');
promise_test(async (test) => {
const {sender, receiver} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
// value should be a timestamp
assert_equals(typeof message.value, 'number');
assert_greater_than(message.value, 0);
const timestamp = message.value;
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
// value should be a timestamp
assert_equals(typeof message.value, 'number');
assert_greater_than(message.value, timestamp);
}, 'generateKeyFrame timestamp should advance');
promise_test(async (test) => {
const {sender, receiver} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
const count = message.count;
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
assert_greater_than(message.count, count);
}, 'await generateKeyFrame, await generateKeyFrame should see an increase in count of keyframes');
promise_test(async (test) => {
const {sender, receiver, senderPc, receiverPc} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
senderPc.getTransceivers()[0].direction = 'inactive';
await senderPc.setLocalDescription();
await receiverPc.setRemoteDescription(senderPc.localDescription);
await receiverPc.setLocalDescription();
await senderPc.setRemoteDescription(receiverPc.localDescription);
message = await generateKeyFrameDoesNotThrow(sender.transform.port);
assert_equals(message.result, 'success');
senderPc.getTransceivers()[0].direction = 'sendonly';
await senderPc.setLocalDescription();
await receiverPc.setRemoteDescription(senderPc.localDescription);
await receiverPc.setLocalDescription();
await senderPc.setRemoteDescription(receiverPc.localDescription);
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
}, 'generateKeyFrame does not reject when the sender is negotiated inactive, and resumes succeeding when negotiated back to active');
promise_test(async (test) => {
const {sender, receiver, senderPc, receiverPc} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
senderPc.getTransceivers()[0].stop();
message = await generateKeyFrameDoesNotThrow(sender.transform.port);
assert_equals(message.result, 'success');
}, 'generateKeyFrame does not reject when the sender is stopped, even without negotiation');
promise_test(async (test) => {
const {sender, receiver, senderPc, receiverPc} = await createConnectionWithTransform(test, 'script-transform-generateKeyFrame.js', {video: true});
let message = await waitForFrame(sender.transform.port);
assert_equals(message, 'got frame');
message = await generateKeyFrame(sender.transform.port);
assert_equals(message.result, 'success');
await senderPc.getTransceivers()[0].sender.replaceTrack(null);
message = await generateKeyFrameDoesNotThrow(sender.transform.port);
assert_equals(message.result, 'success');
}, 'generateKeyFrame does not reject with a null track');
// TODO: It would be nice to be able to test that pending generateKeyFrame
// promises are _rejected_ when the transform is unset, or the sender stops
// sending. However, getting the timing on this right is going to be very hard.
// While we could stop the processing of frames before calling
// generateKeyFrame, this would not necessarily help, because generateKeyFrame
// promises are resolved _before_ enqueueing the frame into |readable|, and
// right now the spec does not have a high water mark/backpressure on
// |readable|, so pausing would not necessarily prevent the enqueue.
</script>
</body>
</html>
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