test_dataChannel_stats.html

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<!DOCTYPE HTML>

<html>

<head>

  <script type="application/javascript" src="pc.js"></script>

</head>

<body>

<pre id="test">

<script type="application/javascript">

  createHTML({

    bug: "1218356",

    title: "DataChannel stats"

});

  runNetworkTest(function (options) {

    const test = new PeerConnectionTest(options);

    test.chain.remove('PC_LOCAL_CHECK_STATS');

    test.chain.remove('PC_REMOTE_CHECK_STATS');

    addInitialDataChannel(test.chain);

    test.chain.removeAfter("PC_REMOTE_CHECK_ICE_CONNECTIONS");

    test.chain.insertAfter("PC_REMOTE_CHECK_ICE_CONNECTIONS",

      async function TEST_DATA_CHANNEL_STATS(test) {

        const channel = test.pcLocal.dataChannels[0];

        test.pcRemote.dataChannels[0].onbufferedamountlow = () => {};

        test.pcRemote.dataChannels[0].send(`Sending Message`);

        channel.onbufferedamountlow = () => {};

        const event = await new Promise( r => channel.onmessage = r);

        info(`Received message: "${event.data}"`);

        const report = await test.pcLocal.getStats();

        info(`Received Stats ${JSON.stringify([...report.values()], null, 2)}\n`);

        const stats = [...report.values()].find(block => block.type == "data-channel");

        info(`DataChannel stats ${JSON.stringify(stats, null, 2)}`);

        is(stats.label, channel.label, 'DataChannel stats has correct label');

        is(stats.protocol, channel.protocol,

           'DataChannel stats has correct protocol');

        is(stats.dataChannelIdentifier, channel.id,

           'DataChannel stats has correct dataChannelIdentifier');

        is(stats.state, channel.readyState, 'DataChannel has correct state');

        is(stats.bytesReceived, 15, 'DataChannel has correct bytesReceived');

        is(stats.bytesSent, 0, 'DataChannel has correct bytesSent');

        is(stats.messagesReceived, 1,

           'DataChannel has correct messagesReceived');

        is(stats.messagesSent, 0, 'DataChannel has correct messagesSent');

});

    return test.run();

});

</script>

</pre>

</body>

</html>