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| (function(window) {
/* jshint globalstrict: true */
'use strict'
/**
* Decision maker for whether a stack entry is considered external to jasmine and karma.
* @param {String} entry Error stack entry.
* @return {Boolean} True if external, False otherwise.
*/
function isExternalStackEntry (entry) {
return (entry ? true : false) &&
// entries related to jasmine and karma-jasmine:
!/\/(jasmine-core|karma-jasmine)\//.test(entry) &&
// karma specifics, e.g. "at http://localhost:7018/karma.js:185"
!/\/(karma.js|context.html):/.test(entry)
}
/**
* Returns relevant stack entries.
* @param {String} stack Complete error stack trace.
* @return {Array} A list of relevant stack entries.
*/
function getRelevantStackFrom (stack) {
var filteredStack = [],
relevantStack = []
stack = stack.split('\n')
for (var i = 0; i < stack.length; i += 1) {
if (isExternalStackEntry(stack[i])) {
filteredStack.push(stack[i])
}
}
// If the filtered stack is empty, i.e. the error originated entirely from within jasmine or karma, then the whole stack
// should be relevant.
if (filteredStack.length === 0) {
filteredStack = stack
}
for (i = 0; i < filteredStack.length; i += 1) {
if (filteredStack[i]) {
relevantStack.push(filteredStack[i])
}
}
return relevantStack
}
/**
* Custom formatter for a failed step.
*
* Different browsers report stack trace in different ways. This function
* attempts to provide a concise, relevant error message by removing the
* unnecessary stack traces coming from the testing framework itself as well
* as possible repetition.
*
* @see https://github.com/karma-runner/karma-jasmine/issues/60
* @param {Object} step Step object with stack and message properties.
* @return {String} Formatted step.
*/
function formatFailedStep (step) {
// Safari seems to have no stack trace,
// so we just return the error message:
if (!step.stack) { return step.message; }
var relevantMessage = []
var relevantStack = []
// Remove the message prior to processing the stack to prevent issues like
// https://github.com/karma-runner/karma-jasmine/issues/79
var stack = step.stack.replace('Error: ' + step.message, '')
var dirtyRelevantStack = getRelevantStackFrom(stack)
// PhantomJS returns multiline error message for errors coming from specs
// (for example when calling a non-existing function). This error is present
// in both `step.message` and `step.stack` at the same time, but stack seems
// preferable, so we iterate relevant stack, compare it to message:
for (var i = 0; i < dirtyRelevantStack.length; i += 1) {
if (step.message && step.message.indexOf(dirtyRelevantStack[i]) === -1) {
// Stack entry is not in the message,
// we consider it to be a relevant stack:
relevantStack.push(dirtyRelevantStack[i])
} else {
// Stack entry is already in the message,
// we consider it to be a suitable message alternative:
relevantMessage.push(dirtyRelevantStack[i])
}
}
// In most cases the above will leave us with an empty message...
if (relevantMessage.length === 0) {
// Let's reuse the original message:
relevantMessage.push(step.message)
// Now we probably have a repetition case where:
// relevantMessage: ["Expected true to be false."]
// relevantStack: ["Error: Expected true to be false.", ...]
if (relevantStack.length && relevantStack[0].indexOf(step.message) !== -1) {
// The message seems preferable, so we remove the first value from
// the stack to get rid of repetition :
relevantStack.shift()
}
}
// Example output:
// --------------------
// Chrome 40.0.2214 (Mac OS X 10.9.5) xxx should return false 1 FAILED
// Expected true to be false
// at /foo/bar/baz.spec.js:22:13
// at /foo/bar/baz.js:18:29
return relevantMessage.concat(relevantStack).join('\n')
}
function SuiteNode (name, parent) {
this.name = name
this.parent = parent
this.children = []
this.addChild = function (name) {
var suite = new SuiteNode(name, this)
this.children.push(suite)
return suite
}
}
function processSuite (suite, pointer) {
var child
var childPointer
for (var i = 0; i < suite.children.length; i++) {
child = suite.children[i]
if (child.children) {
childPointer = pointer[child.description] = {_: []}
processSuite(child, childPointer)
} else {
Iif (!pointer._) {
pointer._ = []
}
pointer._.push(child.description)
}
}
}
function getAllSpecNames (topSuite) {
var specNames = {}
processSuite(topSuite, specNames)
return specNames
}
/**
* Very simple reporter for Jasmine.
*/
function KarmaReporter (tc, jasmineEnv) {
var currentSuite = new SuiteNode()
/**
* @param suite
* @returns {boolean} Return true if it is system jasmine top level suite
*/
function isTopLevelSuite (suite) {
return suite.description === 'Jasmine_TopLevel_Suite'
}
/**
* Jasmine 2.0 dispatches the following events:
*
* - jasmineStarted
* - jasmineDone
* - suiteStarted
* - suiteDone
* - specStarted
* - specDone
*/
this.jasmineStarted = function (data) {
// TODO(vojta): Do not send spec names when polling.
tc.info({
total: data.totalSpecsDefined,
specs: getAllSpecNames(jasmineEnv.topSuite())
})
}
this.jasmineDone = function () {
tc.complete({
coverage: window.__coverage__
})
}
this.suiteStarted = function (result) {
Eif (!isTopLevelSuite(result)) {
currentSuite = currentSuite.addChild(result.description)
}
}
this.suiteDone = function (result) {
// In the case of xdescribe, only "suiteDone" is fired.
// We need to skip that.
Iif (result.description !== currentSuite.name) {
return
}
currentSuite = currentSuite.parent
}
this.specStarted = function (specResult) {
specResult.startTime = new Date().getTime()
}
this.specDone = function (specResult) {
var skipped = specResult.status === 'disabled' || specResult.status === 'pending'
var result = {
description: specResult.description,
id: specResult.id,
log: [],
skipped: skipped,
success: specResult.failedExpectations.length === 0,
suite: [],
time: skipped ? 0 : new Date().getTime() - specResult.startTime,
executedExpectationsCount: specResult.failedExpectations.length + specResult.passedExpectations.length
}
// generate ordered list of (nested) suite names
var suitePointer = currentSuite
while (suitePointer.parent) {
result.suite.unshift(suitePointer.name)
suitePointer = suitePointer.parent
}
Iif (!result.success) {
var steps = specResult.failedExpectations
for (var i = 0, l = steps.length; i < l; i++) {
result.log.push(formatFailedStep(steps[i]))
}
}
tc.result(result)
delete specResult.startTime
}
}
/**
* Extract grep option from karma config
* @param {[Array|string]} clientArguments The karma client arguments
* @return {string} The value of grep option by default empty string
*/
var getGrepOption = function (clientArguments) {
var grepRegex = /^--grep=(.*)$/
Eif (Object.prototype.toString.call(clientArguments) === '[object Array]') {
var indexOfGrep = clientArguments.indexOf('--grep')
Iif (indexOfGrep !== -1) {
return clientArguments[indexOfGrep + 1]
}
return clientArguments
.filter(function (arg) {
return grepRegex.test(arg)
})
.map(function (arg) {
return arg.replace(grepRegex, '$1')
})[0] || ''
} else if (typeof clientArguments === 'string') {
var match = /--grep=([^=]+)/.exec(clientArguments)
return match ? match[1] : ''
}
}
/**
* Create jasmine spec filter
* @param {Object} options Spec filter options
*/
var KarmaSpecFilter = function (options) {
var filterString = options && options.filterString() && options.filterString().replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
var filterPattern = new RegExp(filterString)
this.matches = function (specName) {
return filterPattern.test(specName)
}
}
/**
* @param {Object} config The karma config
* @param {Object} jasmineEnv jasmine environment object
*/
var createSpecFilter = function (config, jasmineEnv) {
var specFilter = new KarmaSpecFilter({
filterString: function () {
return getGrepOption(config.args)
}
})
jasmineEnv.specFilter = function (spec) {
return specFilter.matches(spec.getFullName())
}
}
/**
* Karma starter function factory.
*
* This function is invoked from the wrapper.
* @see adapter.wrapper
*
* @param {Object} karma Karma runner instance.
* @param {Object} [jasmineEnv] Optional Jasmine environment for testing.
* @return {Function} Karma starter function.
*/
function createStartFn (karma, jasmineEnv) {
// This function will be assigned to `window.__karma__.start`:
return function () {
jasmineEnv = jasmineEnv || window.jasmine.getEnv()
jasmineEnv.addReporter(new KarmaReporter(karma, jasmineEnv))
jasmineEnv.execute()
}
}
// Polyfills for correct work adapter in IE8
Iif (!('indexOf' in Array.prototype)) {
Array.prototype.indexOf = function (find, i /*opt*/) {
if (i === undefined) {i = 0;}
if (i < 0) {i += this.length;}
if (i < 0) {i = 0;}
for (var n = this.length; i < n; i++) {
if (i in this && this[i] === find) {
return i;}}
return -1
}
}
Iif (!('map' in Array.prototype)) {
Array.prototype.map = function (mapper, that /*opt*/) {
var other = new Array(this.length)
for (var i = 0, n = this.length; i < n; i++) {
if (i in this) {
other[i] = mapper.call(that, this[i], i, this);}}
return other
}
}
Iif (!('filter' in Array.prototype)) {
Array.prototype.filter = function (filter, that /*opt*/) {
var other = [], v
for (var i = 0, n = this.length; i < n; i++) {
if (i in this && filter.call(that, v = this[i], i, this)) {
other.push(v);}}
return other
}
}
createSpecFilter(window.__karma__.config, jasmine.getEnv())
window.__karma__.start = createStartFn(window.__karma__)
})(typeof window !== 'undefined' ? window : global);
|