[canvaskit] Add test harness for running all gms and getting output
The JS starts a web server and then uses puppeteer to load the html
page. The page will load the compiled JS+WASM to run the GMs,
calculate the md5 hash of the pixels using the exact same algorithm
as DM and then get those encoded as a PNG. The HTML then makes
a post request with that image data (assuming it's not an image we
have seen before) and keeps all the test results in a simple
JSON array.
The JSON array will be read in by a task driver in a followup CL.
Bug: skia:10812
Change-Id: I90e8ed42bd96ae11fa75ce84ef2ee1a97ab93d5f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/328378
Reviewed-by: Leandro Lovisolo <lovisolo@google.com>
diff --git a/tools/run-wasm-gm-tests/package-lock.json b/tools/run-wasm-gm-tests/package-lock.json
new file mode 100644
index 0000000..67051a4
--- /dev/null
+++ b/tools/run-wasm-gm-tests/package-lock.json
@@ -0,0 +1,913 @@
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+ "requires": {
+ "buffer": "^5.2.1",
+ "through": "^2.3.8"
+ }
+ },
+ "unpipe": {
+ "version": "1.0.0",
+ "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+ "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+ },
+ "util-deprecate": {
+ "version": "1.0.2",
+ "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+ "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
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+ "utils-merge": {
+ "version": "1.0.1",
+ "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+ "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
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+ "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
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+ "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
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+ "version": "2.10.0",
+ "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+ "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
+ "requires": {
+ "buffer-crc32": "~0.2.3",
+ "fd-slicer": "~1.1.0"
+ }
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+ }
+}
diff --git a/tools/run-wasm-gm-tests/package.json b/tools/run-wasm-gm-tests/package.json
new file mode 100644
index 0000000..fe4477f
--- /dev/null
+++ b/tools/run-wasm-gm-tests/package.json
@@ -0,0 +1,19 @@
+{
+ "name": "run-wasm-gm-tests",
+ "version": "0.0.0",
+ "description": "",
+ "main": "index.js",
+ "dependencies": {
+ "body-parser": "^1.19.0",
+ "command-line-args": "^5.0.2",
+ "command-line-usage": "^5.0.3",
+ "express": "^4.16.3",
+ "puppeteer": "^3.0.4"
+ },
+ "devDependencies": {},
+ "scripts": {
+ "test": "echo \"Error: no test specified\" && exit 1"
+ },
+ "author": "",
+ "license": "ISC"
+}
diff --git a/tools/run-wasm-gm-tests/run-wasm-gm-tests.html b/tools/run-wasm-gm-tests/run-wasm-gm-tests.html
new file mode 100644
index 0000000..aeac0bc
--- /dev/null
+++ b/tools/run-wasm-gm-tests/run-wasm-gm-tests.html
@@ -0,0 +1,118 @@
+<!-- This runs the GMs and unit tests which have been compiled to WASM. When this completes,
+either window._error will be set or window._testsDone will be true and window._results will be an
+array of the test names and what they drew.
+-->
+<!DOCTYPE html>
+<html>
+<head>
+ <title>CanvasKit SKP Perf</title>
+ <meta charset="utf-8" />
+ <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+ <script src="/static/wasm_gm_tests.js" type="text/javascript" charset="utf-8"></script>
+ <style type="text/css" media="screen">
+ #status_text {
+ min-width: 900px;
+ min-height: 500px;
+ }
+ </style>
+</head>
+<body>
+<main>
+ <button id=start_tests>Start Tests</button>
+ <br>
+ <pre id=status_text></pre>
+
+ <canvas id=gm_canvas></canvas>
+</main>
+<script type="text/javascript" charset="utf-8">
+ const loadTestsPromise = InitWasmGMTests({
+ locateFile: (file) => '/static/'+file,
+ });
+
+ const loadKnownHashesPromise = fetch('/static/hashes.txt').then((resp) => resp.text());
+
+ let attemptedPOSTs = 0;
+ let successfulPOSTs = 0;
+ Promise.all([loadTestsPromise, loadKnownHashesPromise]).then(([GM, hashes]) => {
+ LoadKnownHashes(GM, hashes);
+ document.getElementById('start_tests').addEventListener('click', async () => {
+ window._testsProgress = 0;
+ await RunGMs(GM);
+ if (attemptedPOSTs !== successfulPOSTs) {
+ window._error = `Failed to POST all the PNG files (expected ${attemptedPOSTs}, finished ${successfulPOSTs})`;
+ } else {
+ window._testsDone = true;
+ }
+ });
+ window._testsReady = true;
+ });
+
+ const statusElement = document.getElementById('status_text');
+ function logLineToPage(line) {
+ statusElement.innerText += (line + '\n');
+ }
+
+ // There's a global set of known hashes that we preload with the md5 hashes that are already
+ // uploaded to Gold. This saves us some time to encode them and write them to disk.
+ function LoadKnownHashes(GM, hashes) {
+ logLineToPage(`Loading ${hashes.length} hashes`);
+ console.time('load_hashes');
+ for (const hash of hashes.split('\n')) {
+ if (hash.length < 5) { // be sure not to add empty lines
+ continue;
+ }
+ GM.LoadKnownDigest(hash);
+ }
+ console.timeEnd('load_hashes');
+ logLineToPage('hashes loaded');
+ }
+
+ async function RunGMs(GM) {
+ const canvas = document.getElementById('gm_canvas');
+ const ctx = GM.GetWebGLContext(canvas, 2);
+ const grcontext = GM.MakeGrContext(ctx);
+ window._results = [];
+
+ const names = GM.ListGMs();
+ names.sort();
+ for (const name of names) {
+ const pngAndMetadata = GM.RunGM(grcontext, name);
+ if (!pngAndMetadata) {
+ continue;
+ }
+ logLineToPage(`Test ${name} drew ${pngAndMetadata.hash}`);
+ window._results.push({
+ name: name,
+ digest: pngAndMetadata.hash,
+ });
+ if (pngAndMetadata.png) {
+ await postPNG(pngAndMetadata.hash, pngAndMetadata.png);
+ }
+ window._testsProgress++;
+ }
+ grcontext.delete();
+ }
+
+ async function postPNG(hash, data) {
+ attemptedPOSTs += 1;
+ await fetch('/write_png', {
+ method: 'POST',
+ body: data,
+ headers: {
+ 'Content-type': 'image/png',
+ 'X-MD5-Hash': hash, // this will be used server side to create the name of the png.
+ }
+ }).then((resp) => {
+ if (resp.ok) {
+ successfulPOSTs += 1;
+ } else {
+ console.error('not ok response', resp);
+ }
+ }).catch((e) => {
+ console.error('Could not post PNG', e);
+ });
+ }
+</script>
+</body>
+</html>
diff --git a/tools/run-wasm-gm-tests/run-wasm-gm-tests.js b/tools/run-wasm-gm-tests/run-wasm-gm-tests.js
new file mode 100644
index 0000000..6bf8565
--- /dev/null
+++ b/tools/run-wasm-gm-tests/run-wasm-gm-tests.js
@@ -0,0 +1,255 @@
+/**
+ * Command line application to test GMS and unit tests with puppeteer.
+ * node run-wasm-gm-tests --js_file ../../out/wasm_gm_tests/wasm_gm_tests.js --wasm_file ../../out/wasm_gm_tests/wasm_gm_tests.wasm --known_hashes /tmp/gold2/tests/hashes.txt --output /tmp/gold2/tests/ --use_gpu --timeout 180
+ */
+const puppeteer = require('puppeteer');
+const express = require('express');
+const path = require('path');
+const bodyParser = require('body-parser');
+const fs = require('fs');
+const commandLineArgs = require('command-line-args');
+const commandLineUsage = require('command-line-usage');
+
+const opts = [
+ {
+ name: 'js_file',
+ typeLabel: '{underline file}',
+ description: '(required) The path to wasm_gm_tests.js.'
+ },
+ {
+ name: 'wasm_file',
+ typeLabel: '{underline file}',
+ description: '(required) The path to wasm_gm_tests.wasm.'
+ },
+ {
+ name: 'known_hashes',
+ typeLabel: '{underline file}',
+ description: '(required) A directory containing any assets needed by lottie' +
+ ' files or tests (e.g. images/fonts).'
+ },
+ {
+ name: 'output',
+ typeLabel: '{underline file}',
+ description: '(required) The directory to write the output JSON and images to.',
+ },
+ {
+ name: 'use_gpu',
+ description: 'Whether we should run in non-headless mode with GPU.',
+ type: Boolean,
+ },
+ {
+ name: 'enable_simd',
+ description: 'enable execution of wasm SIMD operations in chromium',
+ type: Boolean
+ },
+ {
+ name: 'port',
+ description: 'The port number to use, defaults to 8081.',
+ type: Number,
+ },
+ {
+ name: 'help',
+ alias: 'h',
+ type: Boolean,
+ description: 'Print this usage guide.'
+ },
+ {
+ name: 'timeout',
+ description: 'Number of seconds to allow test to run.',
+ type: Number,
+ },
+];
+
+const usage = [
+ {
+ header: 'Measruing correctness of Skia WASM code',
+ content: 'Command line application to capture images drawn from tests',
+ },
+ {
+ header: 'Options',
+ optionList: opts,
+ },
+];
+
+// Parse and validate flags.
+const options = commandLineArgs(opts);
+
+if (!options.port) {
+ options.port = 8081;
+}
+if (!options.timeout) {
+ options.timeout = 60;
+}
+
+if (options.help) {
+ console.log(commandLineUsage(usage));
+ process.exit(0);
+}
+
+if (!options.output) {
+ console.error('You must supply an output directory.');
+ console.log(commandLineUsage(usage));
+ process.exit(1);
+}
+
+if (!options.js_file) {
+ console.error('You must supply path to wasm_gm_tests.js.');
+ console.log(commandLineUsage(usage));
+ process.exit(1);
+}
+
+if (!options.wasm_file) {
+ console.error('You must supply path to wasm_gm_tests.wasm.');
+ console.log(commandLineUsage(usage));
+ process.exit(1);
+}
+
+if (!options.known_hashes) {
+ console.error('You must supply path to known_hashes.txt');
+ console.log(commandLineUsage(usage));
+ process.exit(1);
+}
+
+const driverHTML = fs.readFileSync('run-wasm-gm-tests.html', 'utf8');
+const testJS = fs.readFileSync(options.js_file, 'utf8');
+const testWASM = fs.readFileSync(options.wasm_file, 'binary');
+const knownHashes = fs.readFileSync(options.known_hashes, 'utf8');
+
+// This express webserver will serve the HTML file running the benchmark and any additional assets
+// needed to run the tests.
+const app = express();
+app.get('/', (req, res) => res.send(driverHTML));
+
+// This allows the server to receive POST requests of up to 10MB for image/png and read the body
+// as raw bytes, housed in a buffer.
+app.use(bodyParser.raw({ type: 'image/png', limit: '10mb' }));
+
+app.get('/static/hashes.txt', (req, res) => res.send(knownHashes));
+app.get('/static/wasm_gm_tests.js', (req, res) => res.send(testJS));
+app.get('/static/wasm_gm_tests.wasm', function(req, res) {
+ // Set the MIME type so it can be streamed efficiently.
+ res.type('application/wasm');
+ res.send(new Buffer(testWASM, 'binary'));
+});
+app.post('/write_png', (req, res) => {
+ const md5 = req.header('X-MD5-Hash');
+ if (!md5) {
+ res.sendStatus(400);
+ return;
+ }
+ const data = req.body;
+ const newFile = path.join(options.output, md5 + '.png');
+ fs.writeFileSync(newFile, data, {
+ encoding: 'binary',
+ })
+ res.sendStatus(200);
+});
+
+const server = app.listen(options.port, () => console.log('- Local web server started.'));
+
+const hash = options.use_gpu? '#gpu': '#cpu';
+const targetURL = `http://localhost:${options.port}/${hash}`;
+const viewPort = {width: 1000, height: 1000};
+
+// Drive chrome to load the web page from the server we have running.
+async function driveBrowser() {
+ console.log('- Launching chrome for ' + options.input);
+ const browser_args = [
+ '--no-sandbox',
+ '--disable-setuid-sandbox',
+ '--window-size=' + viewPort.width + ',' + viewPort.height,
+ // The following two params allow Chrome to run at an unlimited fps. Note, if there is
+ // already a chrome instance running, these arguments will have NO EFFECT, as the existing
+ // Chrome instance will be used instead of puppeteer spinning up a new one.
+ '--disable-frame-rate-limit',
+ '--disable-gpu-vsync',
+ ];
+ if (options.enable_simd) {
+ browser_args.push('--enable-features=WebAssemblySimd');
+ }
+ if (options.use_gpu) {
+ browser_args.push('--ignore-gpu-blacklist');
+ browser_args.push('--ignore-gpu-blocklist');
+ browser_args.push('--enable-gpu-rasterization');
+ }
+ const headless = !options.use_gpu;
+ console.log("Running with headless: " + headless + " args: " + browser_args);
+ let browser;
+ let page;
+ try {
+ browser = await puppeteer.launch({
+ headless: headless,
+ args: browser_args,
+ executablePath: options.chromium_executable_path
+ });
+ page = await browser.newPage();
+ await page.setViewport(viewPort);
+ } catch (e) {
+ console.log('Could not open the browser.', e);
+ process.exit(1);
+ }
+ console.log("Loading " + targetURL);
+ try {
+ await page.goto(targetURL, {
+ timeout: 60000,
+ waitUntil: 'networkidle0'
+ });
+
+ // Page is mostly loaded, wait for benchmark page to report itself ready.
+ console.log('Waiting 15s for benchmark to be ready');
+ await page.waitForFunction(`(window._testsReady === true) || window._error`, {
+ timeout: 15000,
+ });
+
+ const err = await page.evaluate('window._error');
+ if (err) {
+ console.log(`ERROR: ${err}`);
+ process.exit(1);
+ }
+
+ // There is a button with id #start_tests to click (this also makes manual debugging easier).
+ await page.click('#start_tests');
+
+ const batchSize = 50;
+ let batch = batchSize;
+ while (true) {
+ console.log(`Waiting ${options.timeout}s for ${batchSize} tests to complete`);
+ await page.waitForFunction(`(window._testsProgress >= ${batch}) || (window._testsDone === true) || window._error`, {
+ timeout: options.timeout*1000,
+ });
+ const progress = await page.evaluate(() => {
+ return {
+ err: window._error,
+ done: window._testsDone,
+ count: window._testsProgress,
+ };
+ });
+ if (progress.err) {
+ console.log(`ERROR: ${progress.err}`);
+ process.exit(1);
+ }
+ if (progress.done) {
+ console.log(`Completed ${progress.count} tests. Finished.`);
+ break;
+ }
+ console.log(`In Progress; completed ${progress.count} tests.`)
+ batch = progress.count + batchSize;
+ }
+
+ const goldResults = await page.evaluate('window._results');
+ console.debug(goldResults);
+
+ const jsonFile = path.join(options.output, 'gold_results.json');
+ fs.writeFileSync(jsonFile, JSON.stringify(goldResults));
+ } catch(e) {
+ console.log('Timed out while loading, drawing, or writing to disk.', e);
+ await browser.close();
+ await new Promise((resolve) => server.close(resolve));
+ process.exit(1);
+ }
+
+ await browser.close();
+ await new Promise((resolve) => server.close(resolve));
+}
+
+driveBrowser();
