我正在尝试使用本地浏览器集成和本地运行程序脚本对计算机上的VM运行Nightwatch测试。如果没有在browserstack.conf.js中指定全局变量文件，则测试将成功运行。
但是，当我在conf.js配置文件中链接我的全局变量文件时，我的测试抛出以下错误，指出我没有指定测试环境：
（注意：顶部JSON输出是我在globals.js文件中指定的自定义报告）
[Local Runner] Test Suite
=============================
Bar?
{ passed: 0,
failed: 0,
errors: 0,
skipped: 0,
tests: 0,
errmessages: [],
modules:
{ 'local.runner':
{ completed: {},
skipped: [],
time: '0.000',
timestamp: 'Wed, 12 Sep 2018 19:28:02 GMT',
group: '',
tests: 0,
errmessages: [],
failures: 0,
errors: 0 } } }
Test report saved in /reports!
Connected. Now testing...
ERROR RangeError: Maximum call stack size exceeded
at String.replace (<anonymous>)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:118:37)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
at CliRunner.replaceEnvVariables (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:115:16)
Error: No testing environment specified.
at CliRunner.parseTestSettings (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:515:13)
at CliRunner.setup (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:49:8)
at /Users/matt.schlosser/dev/rba_test_automation/local.runner.js:19:18
at Object.exports.cli (/Users/matt.schlosser/node_modules/nightwatch/lib/index.js:545:5)
at /Users/matt.schlosser/dev/rba_test_automation/local.runner.js:17:20
at /Users/matt.schlosser/node_modules/browserstack-local/lib/Local.js:62:11
at ChildProcess.exithandler (child_process.js:267:7)
at emitTwo (events.js:126:13)
at ChildProcess.emit (events.js:214:7)
at maybeClose (internal/child_process.js:925:16)
There was an error while starting the test runner:
Error: No testing environment specified.
at CliRunner.parseTestSettings (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:515:13)
at CliRunner.setup (/Users/matt.schlosser/node_modules/nightwatch/lib/runner/cli/clirunner.js:49:8)
at /Users/matt.schlosser/dev/rba_test_automation/local.runner.js:19:18
at Object.exports.cli (/Users/matt.schlosser/node_modules/nightwatch/lib/index.js:545:5)
at /Users/matt.schlosser/dev/rba_test_automation/local.runner.js:17:20
at /Users/matt.schlosser/node_modules/browserstack-local/lib/Local.js:62:11
at ChildProcess.exithandler (child_process.js:267:7)
at emitTwo (events.js:126:13)
at ChildProcess.emit (events.js:214:7)
at maybeClose (internal/child_process.js:925:16)
browserstack.conf.js：
var browserstack = require('browserstack-local');
nightwatch_config = {
src_folders: ["tests"],
globals_path: "globals.js",
selenium : {
"start_process" : false,
"host" : "hub-cloud.browserstack.com",
"port" : 80
},
test_settings: {
default: {},
firefox: {
desiredCapabilities: {
'build': 'nightwatch-browserstack-ff',
'browserstack.user': process.env.BROWSERSTACK_USERNAME || 'KEY_VALUE',
'browserstack.key': process.env.BROWSERSTACK_ACCESS_KEY || '1y3RMCxHWCBvJ5pehrHz',
'browserstack.debug': true,
'browserstack.local': true,
'acceptSslCerts': true,
'os': 'OS X',
'os_version': 'High Sierra',
'browser': 'Firefox',
'resolution': '1024x768'
}
},
chrome: {
desiredCapabilities: {
'build': 'nightwatch-browserstack-chrome',
'browserstack.user': process.env.BROWSERSTACK_USERNAME || 'KEY_VALUE',
'browserstack.key': process.env.BROWSERSTACK_ACCESS_KEY || '1y3RMCxHWCBvJ5pehrHz',
'browserstack.debug': true,
'browserstack.local': true,
'acceptSslCerts': true,
'os': 'OS X',
'os_version': 'High Sierra',
'browser': 'Chrome',
'browser_version': '69.0 beta',
'resolution': '1024x768'
}
},
safari: {
desiredCapabilities: {
'build': 'nightwatch-browserstack',
'browserstack.user': process.env.BROWSERSTACK_USERNAME || 'KEY_VALUE',
'browserstack.key': process.env.BROWSERSTACK_ACCESS_KEY || '1y3RMCxHWCBvJ5pehrHz',
'browserstack.debug': true,
'browserstack.local': true,
'acceptSslCerts': true,
'os': 'OS X',
'os_version': 'High Sierra',
'browser': 'Safari',
'resolution': '1024x768'
}
},
edge: {
desiredCapabilities: {
'build': 'nightwatch-browserstack-edge-current',
'browserstack.user': process.env.BROWSERSTACK_USERNAME || 'KEY_VALUE',
'browserstack.key': process.env.BROWSERSTACK_ACCESS_KEY || '1y3RMCxHWCBvJ5pehrHz',
'browserstack.debug': true,
'browserstack.local': true,
'acceptSslCerts': true,
'os': 'Windows',
'os_version': '10',
'browser': 'Edge',
'browser_version': '17.0',
'resolution': '1024x768'
}
},
ie11: {
desiredCapabilities: {
'build': 'nightwatch-browserstack-ie11',
'browserstack.user': process.env.BROWSERSTACK_USERNAME || 'KEY_VALUE',
'browserstack.key': process.env.BROWSERSTACK_ACCESS_KEY || '1y3RMCxHWCBvJ5pehrHz',
'browserstack.debug': true,
'browserstack.local': true,
'acceptSslCerts': true,
'os': 'Windows',
'os_version': '10',
'browser': 'IE',
'browser_version': '11.0',
'resolution': '1024x768'
}
}
}
};
// Code to copy seleniumhost/port into test settings
for(var i in nightwatch_config.test_settings){
var config = nightwatch_config.test_settings[i];
config['selenium_host'] = nightwatch_config.selenium.host;
config['selenium_port'] = nightwatch_config.selenium.port;
}
module.exports = nightwatch_config;
globals.js：
///// REPORTING LOGIC
var fs = require('fs');
///// URLS
var pmSite = {
url: "urlvalue.com"
};
///// LOGIN CREDS
var loginAccount = {
loginEmail: "value",
loginPass: "value"
};
///// REPORTER CALLBACK
function fileWriteErrorCallback(err) {
if(err) {
return console.log(err);
}
console.log("Test report saved in /reports!");
}
///// REPORT NAMING
function reportNaming() {
var timeStamp = Math.floor(Date.now() / 1000);
return "reports/test_run - " + timeStamp + ".json";
}
///// STRINGIFY JSON
function makeJsonString(results) {
return JSON.stringify(results, null, 2);
}
module.exports = {
loginAccount: loginAccount,
pmSite: pmSite,
///// CUSTOM REPORTER
reporter: function (results, done) {
try {
fs.writeFile(reportNaming(), makeJsonString(results), fileWriteErrorCallback);
console.log('Bar?');
console.log(results);
done();
} catch(err) {
console.log('Foo');
console.log(err);
}
}
};
local.runner.js：
#!/usr/bin/env node
var Nightwatch = require('nightwatch');
var browserstack = require('browserstack-local');
var bs_local;
try {
process.mainModule.filename = "./node_modules/.bin/nightwatch"
// Code to start browserstack local before start of test
console.log("Connecting local");
Nightwatch.bs_local = bs_local = new browserstack.Local();
bs_local.start({'key': 'key_value', 'force': 'true'}, function(error) {
if (error) throw error;
console.log('Connected. Now testing...');
Nightwatch.cli(function(argv) {
Nightwatch.CliRunner(argv)
.setup(null, function(){
// Code to stop browserstack local after end of parallel test
bs_local.stop(function(){});
})
.runTests(function(){
// Code to stop browserstack local after end of single test
bs_local.stop(function(){});
});
});
});
} catch (ex) {
console.log('There was an error while starting the test runner:\n\n');
process.stderr.write(ex.stack + '\n');
process.exit(2);
}