angular-cn/tools/saucelabs/karma-saucelabs.js

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
'use strict';
const shell = require('shelljs');
const karmaBin = require.resolve('karma/bin/karma');
const runfiles = require(process.env['BAZEL_NODE_RUNFILES_HELPER']);
const sauceService = runfiles.resolve(process.argv[2]);
process.argv = [
process.argv[0],
karmaBin,
...process.argv.splice(3),
];
try {
console.error(`Setting up environment for SauceLabs karma tests...`);
// KARMA_WEB_TEST_MODE is set which informs /karma-js.conf.js that it should
// run the test with the karma saucelabs launcher
process.env['KARMA_WEB_TEST_MODE'] = 'SL_REQUIRED';
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// Saucelabs parameters read from a temporary file that is created by the `sauce-service`. This
// will be `null` if the test runs locally without the `sauce-service` being started.
const saucelabsParams = readLocalSauceConnectParams();
// Setup required SAUCE_* env if they are not already set
if (!process.env['SAUCE_USERNAME'] || !process.env['SAUCE_ACCESS_KEY'] ||
!process.env['SAUCE_TUNNEL_IDENTIFIER']) {
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// We print a helpful error message below if the required Saucelabs parameters have not
// been specified in test environment, and the `sauce-service` params file has not been
// created either.
if (saucelabsParams === null) {
console.error(`
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!! Make sure that you have run "yarn bazel run //tools/saucelabs:sauce_service_setup"
!!! (or "./tools/saucelabs/sauce-service.sh setup") before the test target. Alternately
!!! you can provide the required SAUCE_* environment variables (SAUCE_USERNAME, SAUCE_ACCESS_KEY &
!!! SAUCE_TUNNEL_IDENTIFIER) to the test with --test_env or --define but this may prevent bazel from
!!! using cached test results.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!`);
process.exit(1);
}
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process.env['SAUCE_USERNAME'] = saucelabsParams.SAUCE_USERNAME;
process.env['SAUCE_ACCESS_KEY'] = saucelabsParams.SAUCE_ACCESS_KEY;
process.env['SAUCE_TUNNEL_IDENTIFIER'] = saucelabsParams.SAUCE_TUNNEL_IDENTIFIER;
process.env['SAUCE_LOCALHOST_ALIAS_DOMAIN'] = saucelabsParams.SAUCE_LOCALHOST_ALIAS_DOMAIN;
}
// Pass through the optional `SAUCE_LOCALHOST_ALIAS_DOMAIN` environment variable. The
// variable is usually specified on CI, but is not required for testing with Saucelabs.
if (!process.env['SAUCE_LOCALHOST_ALIAS_DOMAIN'] && saucelabsParams !== null) {
process.env['SAUCE_LOCALHOST_ALIAS_DOMAIN'] = saucelabsParams.SAUCE_LOCALHOST_ALIAS_DOMAIN;
}
const scStart = `${sauceService} start-ready-wait`;
console.error(`Starting SauceConnect (${scStart})...`);
const result = shell.exec(scStart).code;
if (result !== 0) {
throw new Error(`Starting SauceConnect failed with code ${result}`);
}
console.error(`Launching karma ${karmaBin}...`);
module.constructor._load(karmaBin, this, /*isMain=*/true);
} catch (e) {
console.error(e.stack || e);
process.exit(1);
}
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function readLocalSauceConnectParams() {
try {
// The following path comes from /tools/saucelabs/sauce-service.sh.
// We setup the required saucelabs environment variables here for the karma test
// from a json file under /tmp/angular/sauce-service so that we don't break the
// test cache with a changing SAUCE_TUNNEL_IDENTIFIER provided through --test_env
return require('/tmp/angular/sauce-service/sauce-connect-params.json');
} catch {
return null;
}
}