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core_steps.js
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core_steps.js
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module.exports = function coreSteps () {
var fs = require('fs')
var path = require('path')
var ref = require('child_process')
var exec = ref.exec
var spawn = ref.spawn
var rimraf = require('rimraf')
var stopper = require('../../../lib/stopper')
this.World = require('../support/world').World
require('../support/after_hooks').call(this)
var baseDir = fs.realpathSync(path.join(__dirname, '/../../..'))
var tmpDir = path.join(baseDir, 'tmp', 'sandbox')
var tmpConfigFile = 'karma.conf.js'
var cleansingNeeded = true
var additionalArgs = []
var cleanseIfNeeded = function () {
if (cleansingNeeded) {
try {
rimraf.sync(tmpDir)
} catch (e) {
}
cleansingNeeded = false
return cleansingNeeded
}
}
this.Given(/^a configuration with:$/, function (fileContent, callback) {
cleanseIfNeeded()
this.addConfigContent(fileContent)
return callback()
})
this.Given(/^command line arguments of: "([^"]*)"$/, function (args, callback) {
additionalArgs = args
return callback()
})
this.When(/^I stop a server programmatically/, function (callback) {
var _this = this
setTimeout(function () {
stopper.stop(_this.configFile, function (exitCode) {
_this.stopperExitCode = exitCode
})
callback()
}, 1000)
})
this.When(/^I start a server in background/, function (callback) {
this.writeConfigFile(tmpDir, tmpConfigFile, (function (_this) {
return function (err, hash) {
if (err) {
return callback.fail(new Error(err))
}
var configFile = path.join(tmpDir, hash + '.' + tmpConfigFile)
var runtimePath = path.join(baseDir, 'bin', 'karma')
_this.child = spawn('' + runtimePath, ['start', '--log-level', 'debug', configFile])
_this.child.stdout.on('data', function () {
callback()
callback = function () {
}
})
_this.child.on('exit', function (exitCode) {
_this.childExitCode = exitCode
})
}
})(this))
})
this.When(/^I (run|runOut|start|init|stop) Karma( with log-level ([a-z]+))?$/, function (command, withLogLevel, level, callback) {
this.writeConfigFile(tmpDir, tmpConfigFile, (function (_this) {
return function (err, hash) {
if (err) {
return callback.fail(new Error(err))
}
level = withLogLevel === undefined ? 'warn' : level
var configFile = path.join(tmpDir, hash + '.' + tmpConfigFile)
var runtimePath = path.join(baseDir, 'bin', 'karma')
var execKarma = function (done) {
var cmd = runtimePath + ' ' + command + ' --log-level ' + level + ' ' + configFile + ' ' + additionalArgs
return exec(cmd, {
cwd: baseDir
}, done)
}
var runOut = command === 'runOut'
if (command === 'run' || command === 'runOut') {
_this.child = spawn('' + runtimePath, ['start', '--log-level', 'warn', configFile])
var done = function () {
cleansingNeeded = true
_this.child && _this.child.kill()
callback()
}
_this.child.on('error', function (error) {
_this.lastRun.error = error
done()
})
_this.child.stderr.on('data', function (chunk) {
_this.lastRun.stderr += chunk.toString()
})
_this.child.stdout.on('data', function (chunk) {
_this.lastRun.stdout += chunk.toString()
var cmd = runtimePath + ' run ' + configFile + ' ' + additionalArgs
setTimeout(function () {
exec(cmd, {
cwd: baseDir
}, function (error, stdout) {
if (error) {
_this.lastRun.error = error
}
if (runOut) {
_this.lastRun.stdout = stdout
}
done()
})
}, 1000)
})
} else {
execKarma(function (error, stdout, stderr) {
if (error) {
_this.lastRun.error = error
}
_this.lastRun.stdout = stdout
_this.lastRun.stderr = stderr
cleansingNeeded = true
callback()
})
}
}
})(this))
})
this.Then(/^it passes with( no debug| like)?:$/, {timeout: 10 * 1000}, function (mode, expectedOutput, callback) {
var noDebug = mode === ' no debug'
var like = mode === ' like'
var actualOutput = this.lastRun.stdout.toString()
var lines
if (noDebug) {
lines = actualOutput.split('\n').filter(function (line) {
return !line.match(/\[DEBUG\]/)
})
actualOutput = lines.join('\n')
}
if (like && actualOutput.indexOf(expectedOutput) >= 0) {
return callback()
}
if (actualOutput.indexOf(expectedOutput) === 0) {
return callback()
}
if (actualOutput) {
return callback(new Error('Expected output to match the following:\n ' + expectedOutput + '\nGot:\n ' + actualOutput))
}
callback(new Error('Failed all comparissons'))
})
this.Then(/^it fails with:$/, function (expectedOutput, callback) {
var actualOutput = this.lastRun.stdout.toString()
var actualError = this.lastRun.error
var actualStderr = this.lastRun.stderr.toString()
if (actualOutput.match(expectedOutput)) {
return callback()
}
if (actualError || actualStderr) {
return callback(new Error('Expected output to match the following:\n ' + expectedOutput + '\nGot:\n ' + actualOutput))
}
})
this.Then(/^it fails with like:$/, function (expectedOutput, callback) {
var actualOutput = this.lastRun.stdout.toString()
var actualError = this.lastRun.error
var actualStderr = this.lastRun.stderr.toString()
if (actualOutput.match(new RegExp(expectedOutput))) {
return callback()
}
if (actualError || actualStderr) {
callback(new Error('Expected output to match the following:\n ' + expectedOutput + '\nGot:\n ' + actualOutput))
}
})
this.Then(/^The (server|stopper) is dead( with exit code ([0-9]+))?$/,
function (stopperOrServer, withExitCode, code, callback) {
var server = stopperOrServer === 'server'
var _this = this
setTimeout(function () {
var actualExitCode = server ? _this.childExitCode : _this.stopperExitCode
if (actualExitCode === undefined) return callback(new Error('Server has not exited.'))
if (code === undefined || parseInt(code, 10) === actualExitCode) return callback()
callback(new Error('Exit-code mismatch'))
}, 4000)
})
}