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function runTest(config,qualifier) {
// config.initData contains a list of keys. We expect those to be needed in order and get
// one waitingforkey event for each one.
var testname = testnamePrefix(qualifier, config.keysystem)
+ ', successful playback, temporary, '
+ /video\/([^;]*)/.exec(config.videoType)[1]
+ ', multiple keys, sequential'
+ (config.checkReadyState ? ', readyState' : '');
var configuration = { initDataTypes: [config.initDataType],
audioCapabilities: [{contentType: config.audioType}],
videoCapabilities: [{contentType: config.videoType}],
sessionTypes: ['temporary'] };
async_test(function(test) {
var _video = config.video,
_mediaKeys,
_mediaKeySessions = [],
_mediaSource,
_waitingForKey = false,
_playingCount = 0,
_canplayCount = 0,
_timeupdateWhileWaitingCount = 0;
function startNewSession() {
assert_less_than(_mediaKeySessions.length, config.initData.length);
var mediaKeySession = _mediaKeys.createSession('temporary');
waitForEventAndRunStep('message', mediaKeySession, onMessage, test);
_mediaKeySessions.push(mediaKeySession);
mediaKeySession.variantId = config.variantIds ? config.variantIds[_mediaKeySessions.length - 1] : undefined;
mediaKeySession.generateRequest(config.initDataType, config.initData[_mediaKeySessions.length - 1]).catch(onFailure);
}
function onFailure(error) {
forceTestFailureFromPromise(test, error);
}
function onMessage(event) {
var firstMessage = !_video.src;
config.messagehandler(event.messageType, event.message, {variantId: event.target.variantId}).then(function(response) {
return event.target.update(response);
}).then(function(){
if (firstMessage) {
_video.src = URL.createObjectURL(_mediaSource);
return _mediaSource.done;
} else if (event.target.keyStatuses.size > 0){
_waitingForKey = false;
return Promise.resolve();
}
}).then(function(){
if (firstMessage) {
_video.play();
}
}).catch(onFailure);
}
function onWaitingForKey(event) {
_waitingForKey = true;
if (config.checkReadyState) {
// This test does not start playing until the first license has been provided,
// so this event should occur when transitioning between keys.
// Thus, the frame at the current playback position is available and readyState
// should be HAVE_CURRENT_DATA.
assert_equals(_video.readyState, _video.HAVE_CURRENT_DATA, "Video readyState should be HAVE_CURRENT_DATA on watingforkey event");
}
startNewSession();
}
function onPlaying(event) {
_playingCount++;
assert_equals(_mediaKeySessions.length, _playingCount, "Should get one 'playing' event per key / session added");
assert_less_than_equal(_playingCount, 2, "Should not get more than two 'playing' events.");
}
function onCanPlay(event) {
_canplayCount++;
assert_equals(_mediaKeySessions.length, _canplayCount, "Should get one 'canplay' event per key / session added");
assert_less_than_equal(_canplayCount, 2, "Should not get more than two 'canplay' events.");
}
function onTimeupdate(event) {
// We should not receive 'timeupdate' events due to playing while waiting for a key, except
// when we first start waiting for key we should change the readyState to HAVE_CURRENT_DATA
// which will trigger the "If the previous ready state was HAVE_FUTURE_DATA or more, and
// the new ready state is HAVE_CURRENT_DATA or less" case of the readyState change
// algorithm which requires a "timeupdate" event be fired.
if (_waitingForKey) {
assert_equals(++_timeupdateWhileWaitingCount, 1, "Should only receive one timeupdate while waiting for key");
assert_equals(_video.readyState, _video.HAVE_CURRENT_DATA, "Video readyState should be HAVE_CURRENT_DATA while wating for key");
}
if (_video.currentTime > config.duration) {
assert_equals(_mediaKeySessions.length, config.initData.length, "It should require all keys to reach end of content");
assert_equals(_timeupdateWhileWaitingCount, 1, "Should have only received exactly one timeupdate while waiting for key");
_video.pause();
test.done();
}
}
navigator.requestMediaKeySystemAccess(config.keysystem, [configuration]).then(function(access) {
return access.createMediaKeys();
}).then(function(mediaKeys) {
_mediaKeys = mediaKeys;
return _video.setMediaKeys(_mediaKeys);
}).then(function(){
// Not using waitForEventAndRunStep() to avoid too many
// EVENT(onTimeUpdate) logs.
_video.addEventListener('timeupdate', test.step_func(onTimeupdate), true);
waitForEventAndRunStep('waitingforkey', _video, onWaitingForKey, test);
waitForEventAndRunStep('playing', _video, onPlaying, test);
waitForEventAndRunStep('canplay', _video, onCanPlay, test);
return testmediasource(config);
}).then(function(source) {
_mediaSource = source;
startNewSession();
}).catch(onFailure);
}, testname);
}