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Capture screenshots while running karma tests

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Niklas von Hertzen
2017-08-30 21:31:51 +08:00
parent a41ba8852f
commit 23b6f29ecf
8 changed files with 71 additions and 23 deletions
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69
scripts/screenshot-server.js
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@ -1,69 +0,0 @@
const path = require('path');
const fs = require('fs');
const express = require('express');
const bodyParser = require('body-parser');
const filenamifyUrl = require('filenamify-url');
const app = express();
app.use(
bodyParser.json({
limit: '15mb',
type: '*/*'
})
);
const prefix = 'data:image/png;base64,';
const writeScreenshot = (buffer, body) => {
const filename = `${filenamifyUrl(
body.test.replace(/^\/tests\/reftests\//, '').replace(/\.html$/, ''),
{replacement: '-'}
)}!${body.platform.name}-${body.platform.version}.png`;
fs.writeFileSync(path.resolve(__dirname, '../tests/results/', filename), buffer);
};
app.post('/screenshot', (req, res) => {
if (!req.body || !req.body.screenshot) {
return res.sendStatus(400);
}
const buffer = new Buffer(req.body.screenshot.substring(prefix.length), 'base64');
writeScreenshot(buffer, req.body);
return res.sendStatus(200);
});
const chunks = {};
app.post('/screenshot/chunk', (req, res) => {
if (!req.body || !req.body.screenshot) {
return res.sendStatus(400);
}
const key = `${req.body.platform.name}-${req.body.platform.version}-${req.body.test
.replace(/^\/tests\/reftests\//, '')
.replace(/\.html$/, '')}`;
if (!Array.isArray(chunks[key])) {
chunks[key] = Array.from(Array(req.body.totalCount));
}
chunks[key][req.body.part] = req.body.screenshot;
if (chunks[key].every(s => typeof s === 'string')) {
const str = chunks[key].reduce((acc, s) => acc + s, '');
const buffer = new Buffer(str.substring(prefix.length), 'base64');
delete chunks[key];
writeScreenshot(buffer, req.body);
}
return res.sendStatus(200);
});
app.use((error, req, res, next) => {
console.error(error);
next();
});
const listener = app.listen(8081, () => {
console.log(listener.address().port);
});