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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Returns the contents of a blob as text
*
* @param {Blob} blob
The blob to retrieve the contents from
*/
function getBlobContent(blob) {
return new Promise(resolve => {
var reader = new FileReader();
// Listen for 'onloadend' which will always be called after a success or failure
reader.onloadend = event => resolve(event.target.result);
reader.readAsText(blob);
});
}
var commandsCreateDataChannel = [
function PC_REMOTE_EXPECT_DATA_CHANNEL(test) {
test.pcRemote.expectDataChannel();
},
function PC_LOCAL_CREATE_DATA_CHANNEL(test) {
var channel = test.pcLocal.createDataChannel({});
is(channel.binaryType, "blob", channel + " is of binary type 'blob'");
is(channel.readyState, "connecting", channel + " is in state: 'connecting'");
is(test.pcLocal.signalingState, STABLE,
"Create datachannel does not change signaling state");
return test.pcLocal.observedNegotiationNeeded;
}
];
var commandsWaitForDataChannel = [
function PC_LOCAL_VERIFY_DATA_CHANNEL_STATE(test) {
return test.pcLocal.dataChannels[0].opened;
},
function PC_REMOTE_VERIFY_DATA_CHANNEL_STATE(test) {
return test.pcRemote.nextDataChannel.then(channel => channel.opened);
},
];
var commandsCheckDataChannel = [
function SEND_MESSAGE(test) {
var message = "Lorem ipsum dolor sit amet";
return test.send(message).then(result => {
is(result.data, message, "Message correctly transmitted from pcLocal to pcRemote.");
});
},
function SEND_BLOB(test) {
var contents = "At vero eos et accusam et justo duo dolores et ea rebum.";
var blob = new Blob([contents], { "type" : "text/plain" });
return test.send(blob).then(result => {
ok(result.data instanceof Blob, "Received data is of instance Blob");
is(result.data.size, blob.size, "Received data has the correct size.");
return getBlobContent(result.data);
}).then(recv_contents =>
is(recv_contents, contents, "Received data has the correct content."));
},
function CREATE_SECOND_DATA_CHANNEL(test) {
return test.createDataChannel({ }).then(result => {
var sourceChannel = result.local;
var targetChannel = result.remote;
is(sourceChannel.readyState, "open", sourceChannel + " is in state: 'open'");
is(targetChannel.readyState, "open", targetChannel + " is in state: 'open'");
is(targetChannel.binaryType, "blob", targetChannel + " is of binary type 'blob'");
});
},
function SEND_MESSAGE_THROUGH_LAST_OPENED_CHANNEL(test) {
var channels = test.pcRemote.dataChannels;
var message = "I am the Omega";
return test.send(message).then(result => {
is(channels.indexOf(result.channel), channels.length - 1, "Last channel used");
is(result.data, message, "Received message has the correct content.");
});
},
function SEND_MESSAGE_THROUGH_FIRST_CHANNEL(test) {
var message = "Message through 1st channel";
var options = {
sourceChannel: test.pcLocal.dataChannels[0],
targetChannel: test.pcRemote.dataChannels[0]
};
return test.send(message, options).then(result => {
is(test.pcRemote.dataChannels.indexOf(result.channel), 0, "1st channel used");
is(result.data, message, "Received message has the correct content.");
});
},
function SEND_MESSAGE_BACK_THROUGH_FIRST_CHANNEL(test) {
var message = "Return a message also through 1st channel";
var options = {
sourceChannel: test.pcRemote.dataChannels[0],
targetChannel: test.pcLocal.dataChannels[0]
};
return test.send(message, options).then(result => {
is(test.pcLocal.dataChannels.indexOf(result.channel), 0, "1st channel used");
is(result.data, message, "Return message has the correct content.");
});
},
function CREATE_NEGOTIATED_DATA_CHANNEL(test) {
var options = {
negotiated:true,
id: 5,
protocol: "foo/bar",
ordered: false,
maxRetransmits: 500
};
return test.createDataChannel(options).then(result => {
var sourceChannel2 = result.local;
var targetChannel2 = result.remote;
is(sourceChannel2.readyState, "open", sourceChannel2 + " is in state: 'open'");
is(targetChannel2.readyState, "open", targetChannel2 + " is in state: 'open'");
is(targetChannel2.binaryType, "blob", targetChannel2 + " is of binary type 'blob'");
is(sourceChannel2.id, options.id, sourceChannel2 + " id is:" + sourceChannel2.id);
var reliable = !options.ordered ? false : (options.maxRetransmits || options.maxRetransmitTime);
is(sourceChannel2.protocol, options.protocol, sourceChannel2 + " protocol is:" + sourceChannel2.protocol);
is(sourceChannel2.reliable, reliable, sourceChannel2 + " reliable is:" + sourceChannel2.reliable);
/*
These aren't exposed by IDL yet
is(sourceChannel2.ordered, options.ordered, sourceChannel2 + " ordered is:" + sourceChannel2.ordered);
is(sourceChannel2.maxRetransmits, options.maxRetransmits, sourceChannel2 + " maxRetransmits is:" +
sourceChannel2.maxRetransmits);
is(sourceChannel2.maxRetransmitTime, options.maxRetransmitTime, sourceChannel2 + " maxRetransmitTime is:" +
sourceChannel2.maxRetransmitTime);
*/
is(targetChannel2.id, options.id, targetChannel2 + " id is:" + targetChannel2.id);
is(targetChannel2.protocol, options.protocol, targetChannel2 + " protocol is:" + targetChannel2.protocol);
is(targetChannel2.reliable, reliable, targetChannel2 + " reliable is:" + targetChannel2.reliable);
/*
These aren't exposed by IDL yet
is(targetChannel2.ordered, options.ordered, targetChannel2 + " ordered is:" + targetChannel2.ordered);
is(targetChannel2.maxRetransmits, options.maxRetransmits, targetChannel2 + " maxRetransmits is:" +
targetChannel2.maxRetransmits);
is(targetChannel2.maxRetransmitTime, options.maxRetransmitTime, targetChannel2 + " maxRetransmitTime is:" +
targetChannel2.maxRetransmitTime);
*/
});
},
function SEND_MESSAGE_THROUGH_LAST_OPENED_CHANNEL2(test) {
var channels = test.pcRemote.dataChannels;
var message = "I am the walrus; Goo goo g'joob";
return test.send(message).then(result => {
is(channels.indexOf(result.channel), channels.length - 1, "Last channel used");
is(result.data, message, "Received message has the correct content.");
});
}
];
var commandsCheckLargeXfer = [
function SEND_BIG_BUFFER(test) {
var size = 512*1024; // SCTP internal buffer is 256K, so we'll have ~256K queued
var buffer = new ArrayBuffer(size);
// note: type received is always blob for binary data
var options = {};
options.bufferedAmountLowThreshold = 64*1024;
return test.send(buffer, options).then(result => {
ok(result.data instanceof Blob, "Received data is of instance Blob");
is(result.data.size, size, "Received data has the correct size.");
});
},
];
function addInitialDataChannel(chain) {
chain.insertBefore('PC_LOCAL_CREATE_OFFER', commandsCreateDataChannel);
chain.insertBefore('PC_LOCAL_WAIT_FOR_MEDIA_FLOW', commandsWaitForDataChannel);
chain.removeAfter('PC_REMOTE_CHECK_ICE_CONNECTIONS');
chain.append(commandsCheckLargeXfer);
chain.append(commandsCheckDataChannel);
}
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