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javascript - ENFILE : File Table Overflow with Karma

转载 作者:塔克拉玛干 更新时间:2023-11-02 20:43:20 25 4
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我在运行 Karma 测试时遇到文件表溢出问题,我不知道如何调试它。

karma.conf.js:

module.exports = function (config) {
config.set({
frameworks: ['jspm', 'jasmine'],
files: [

'node_modules/karma-babel-preprocessor/node_modules/babel-core/browser-polyfill.js',
'node_modules/jasmine-async-sugar/jasmine-async-sugar.js'
],

jspm: {
config: 'jspm.conf.js',
loadFiles: ['src/app/app.js', 'src/app/**/*.spec.js'], //'src/app/**/!(*.e2e|*.po).js'
serveFiles: ['src/app/**/*.+(js|html|css|json)'] // *.{a,b,c} to *.+(a|b|c) https://github.com/karma-runner/karma/issues/1532
},

proxies: {
'/test/': '/base/test/',
'/src/app/': '/base/src/app/',
'/jspm_packages/': '/base/jspm_packages/'
},

//reporters: process.argv.slice(2).find((argv) => argv.includes('--nocoverage') || argv.includes('--no-coverage')) ? ['dots', 'junit'] : ['dots', 'junit', 'coverage'],

// use dots reporter, as Travis terminal does not support escaping sequences;
// when using Travis publish coverage to coveralls
reporters: coveralls ? ['dots', 'junit', 'coverage', 'coveralls'] : nocoverage ? ['dots'] : ['dots', 'junit', 'coverage'],

junitReporter: {
outputDir: 'test-reports/unit-test-report/',
suite: 'unit'
},

preprocessors: {
// source files, that you wanna generate coverage for - do not include tests or libraries
// (these files will be instrumented by Istanbul)
'src/**/!(*.spec|*.mock|*-mock|*.e2e|*.po|*.test).js': ['babel', 'coverage']
},

// transpile with babel since the coverage reporter throws error on ES6 syntax
babelPreprocessor: {
options: {
stage: 1,
sourceMap: 'inline'
}
},

coverageReporter: {
instrumenters: { isparta : require('isparta') },
instrumenter: {
'src/**/*.js': 'isparta'
},
dir: 'test-reports/coverage/',
subdir: normalizationBrowserName,
reporters: [
{type: 'html'}, // will generate html report
{type: 'json'}, // will generate json report file and this report is loaded to make sure failed coverage cause gulp to exit non-zero
{type: 'lcov'}, // will generate Icov report file and this report is published to coveralls
{type: 'text-summary'} // it does not generate any file but it will print coverage to console
]
},

browsers: [process.env.TRAVIS ? 'Firefox' : 'Chrome'],

browserNoActivityTimeout: 50000
});

function normalizationBrowserName(browser) {
return browser.toLowerCase().split(/[ /-]/)[0];
}
};

package.json:

"karma": "0.13.14",
"karma-jspm": "2.0.1",
"karma-jasmine": "0.3.6",
"karma-coverage": "douglasduteil/karma-coverage#next",
"karma-coveralls": "1.1.2",
"karma-ie-launcher": "0.2.0",
"karma-junit-reporter": "0.3.8",
"karma-chrome-launcher": "0.2.1",
"karma-safari-launcher": "0.1.1",
"karma-firefox-launcher": "0.1.6",
"karma-phantomjs-launcher": "0.2.1",
"karma-babel-preprocessor": "5.2.2"

测试单元.js:

 gulp.task('karma', (cb) => {
// remove 'coverage' directory before each test
del.sync(path.test.testReports.coverage);
// run the karma test
const server = new Server({
configFile: path.test.config.karma,
browsers: BROWSERS.split(','),
singleRun: !argv.watch,
autoWatch: !!argv.watch
}, function(code) {
// make sure failed karma tests cause gulp to exit non-zero
if(code === 1) {
LOG(COLORS.red('Error: unit test failed '));
return process.exit(1);
}
cb();
});
server.start();
});

错误:

[08:44:36] 'karma' errored after 2.48 s [08:44:36] Error: ENFILE: file table overflow, scandir '/Users/Abhi/Documents/projects/test/src/app' at Error (native) at Object.fs.readdirSync (fs.js:808:18) at GlobSync._readdir (/Users/Abhi/Documents/projects/test/node_modules/karma/node_modules/glob/sync.js:275:41) at GlobSync._processGlobStar (/Users/Abhi/Documents/projects/test/node_modules/karma/node_modules/glob/sync.js:330:22) at GlobSync._process (/Users/Abhi/Documents/projects/test/node_modules/karma/node_modules/glob/sync.js:128:10) at new GlobSync (/Users/Abhi/Documents/projects/test/node_modules/karma/node_modules/glob/sync.js:46:10) at new Glob (/Users/Abhi/Documents/projects/test/node_modules/karma/node_modules/glob/glob.js:111:12) at /Users/Abhi/Documents/projects/test/node_modules/karma/lib/file-list.js:161:14 at Array.map (native) at [object Object].List._refresh (/Users/Abhi/Documents/projects/test/node_modules/karma/lib/file-list.js:153:37) at [object Object].List.refresh (/Users/Abhi/Documents/projects/test/node_modules/karma/lib/file-list.js:252:27) at [object Object].Server._start (/Users/Abhi/Documents/projects/test/node_modules/karma/lib/server.js:177:12) at [object Object].invoke (/Users/Abhi/Documents/projects/test/node_modules/karma/node_modules/di/lib/injector.js:75:15) at [object Object].Server.start (/Users/Abhi/Documents/projects/test/node_modules/karma/lib/server.js:101:18) at Gulp. (/Users/Abhi/Documents/projects/test/gulp/tasks/test-unit.js:53:12) at module.exports (/Users/Abhi/Documents/projects/test/node_modules/gulp/node_modules/orchestrator/lib/runTask.js:34:7) at Gulp.Orchestrator._runTask (/Users/Abhi/Documents/projects/test/node_modules/gulp/node_modules/orchestrator/index.js:273:3) at Gulp.Orchestrator._runStep (/Users/Abhi/Documents/projects/test/node_modules/gulp/node_modules/orchestrator/index.js:214:10) at Gulp.Orchestrator.start (/Users/Abhi/Documents/projects/test/node_modules/gulp/node_modules/orchestrator/index.js:134:8) at /Users/Abhi/Documents/projects/test/node_modules/gulp/bin/gulp.js:129:20 at nextTickCallbackWith0Args (node.js:419:9) at process._tickCallback (node.js:348:13)

karma 问题追踪器:https://github.com/karma-runner/karma/issues/1979

最佳答案

阿比,

我在这上面度过了一个愉快的下午并找到了一个解决方法,我承认这是一个最佳猜测问题,我完全不知道为什么会发生。

我的问题是 Karma 配置中的 serveFiles 和 loadFiles 内部的 glob。为了解决这个问题,我使用 glob.sync 进行了自己的 globbing 操作,以根据需要生成数组,这成功了!

module.exports = function(config) {

var options = {cwd:"www"};
var glob = require("glob");
var filesToServe = glob.sync("./src/**/*.@(js|ts|css|scss|html)", options);
var specsToLoad = glob.sync("./src/**/*.@(spec.ts)", options).map(function(file){
return file.substr(2);
});

config.set({
basePath: 'www',

frameworks: ['jspm', 'jasmine'],

jspm: {
config: './test/config.js',
loadFiles: ['test/boot.ts'].concat(specsToLoad),
serveFiles: filesToServe,
},

files: [
'http://cdn.auth0.com/js/lock-8.2.min.js'
],

proxies: {
'/src/': '/base/src/',
'/.test/': '/base/.test/'
},

port: 9876,

logLevel: config.LOG_DISABLE,

colors: true,

autoWatch: true,

browsers: ['Chrome'],

plugins: [
'karma-jspm',
'karma-jasmine',
'karma-chrome-launcher',
'karma-spec-reporter'
],

reporters: ['spec'],

singleRun: true
});
};

filesToServe 和 specsToLoad 的处理方式略有不同,我需要从要加载的文件中删除 ./,因为它会干扰 SystemJS 的内部加载(这可以通过尝试加载 .ts.js 文件来识别)。另外,我的工作在子文件夹“www”中,您可能不需要,例如删除 cwd。

希望您能看到我在这里所做的工作,它可以帮助您找到解决方法。如果有人知道为什么像 glob 这样的东西会崩溃,我很想知道。

为了证明它是 glob 我做了一个简单的测试,使用

require(glob)("src/**/*",function(file){ console.log(file); });

这触发了同样的错误,显然与文件过多或文件表问题无关。如果这在其他地方弹出,我想我将不得不重新安装操作系统。但是在我的代码库中,我在其他地方使用了 glob,没有任何问题。我想知道这是否可能是使用进程的“同步”版本之间的区别...

经过一天的选择最终来到这里...我曾希望找到更好的答案。

K

关于javascript - ENFILE : File Table Overflow with Karma,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35873437/

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