зеркало из https://github.com/mozilla/gecko-dev.git
107 строки
3.1 KiB
HTML
107 строки
3.1 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=UTF-8"></meta>
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<title>WebSocket test - big blob on content side</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="websocket_helpers.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<script class="testbody" type="text/javascript">
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// Test steps:
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// 1. Create a websocket and send 8 chunks of 1MB random data.
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// 2. Store the hash of each chunk (1MB of random data).
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// 3. Websocket server returns the same data back.
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// 4. Calculate the hash again and check the hash is the same as the stored one.
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function genRandomPayload() {
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const count = 128;
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const chunkSize = 64 * 1024;
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let buffer = new Uint8Array(chunkSize * count);
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let offset = 0;
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for (let i = 0; i < count; i++) {
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let data = new Uint8Array(chunkSize);
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crypto.getRandomValues(data);
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buffer.set(data, offset);
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offset += chunkSize;
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}
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return buffer;
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}
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function genRandomFile() {
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return new File([genRandomPayload()], "payload.bin", {
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type: 'application/octet-stream'
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});
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}
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async function toHexString(buffer) {
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let hashBuffer = await crypto.subtle.digest("SHA-256", buffer);
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let hashBytes = new Uint8Array(hashBuffer);
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let toHex = b => b.toString(16).padStart(2, "0");
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return Array.from(hashBytes, toHex).join("");
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}
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let message_count = 0;
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let sentHashArray = [];
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async function sendFile(file, ws) {
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const oneMiB = 1 * 1024 * 1024;
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let offset = 0;
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while (offset < file.size) {
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let blob = file.slice(offset, offset + oneMiB);
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let buffer = await blob.arrayBuffer();
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let hash = await toHexString(buffer);
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sentHashArray.push(hash);
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ws.send(buffer);
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offset += blob.size;
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message_count++;
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}
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}
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var ws = CreateTestWS("wss://example.com/tests/dom/websocket/tests/file_websocket_bigBlob");
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is(ws.readyState, 0, "Initial readyState is 0");
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ws.binaryType = "blob";
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ws.onopen = function() {
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is(ws.readyState, 1, "Open readyState is 1");
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let file = genRandomFile();
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sendFile(file, ws);
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}
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let receivedBlobs = [];
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ws.onmessage = function(e) {
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ok(e.data instanceof Blob, "We should be receiving a Blob");
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receivedBlobs.push(e.data);
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message_count--;
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if (message_count == 0) {
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ws.close();
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}
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}
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async function checkContent() {
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is(receivedBlobs.length, sentHashArray.length, "length should be the same");
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for (let index = 0; index < receivedBlobs.length; index++) {
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let buffer = await receivedBlobs[index].arrayBuffer();
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let hash = await toHexString(buffer);
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is(hash, sentHashArray[index], "hash should be equal");
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}
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}
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ws.onclose = function(e) {
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is(ws.readyState, 3, "Close readyState is 3");
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checkContent().then(() => {
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SimpleTest.finish();
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});
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}
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SimpleTest.requestFlakyTimeout("The web socket tests are really fragile, but avoiding timeouts might be hard, since it's testing stuff on the network. " +
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"Expect all sorts of flakiness in this test...");
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SimpleTest.waitForExplicitFinish();
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</script>
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</body>
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</html>
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