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<h1>
<a href="../../index.html">all files</a> / <a href="index.html">karma-jasmine/lib/</a> adapter.js
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<div class='fl pad1y space-right2'>
<span class="strong">56.12% </span>
<span class="quiet">Statements</span>
<span class='fraction'>78/139</span>
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<div class='fl pad1y space-right2'>
<span class="strong">28.95% </span>
<span class="quiet">Branches</span>
<span class='fraction'>22/76</span>
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<div class='fl pad1y space-right2'>
<span class="strong">72.41% </span>
<span class="quiet">Functions</span>
<span class='fraction'>21/29</span>
</div>
<div class='fl pad1y space-right2'>
<span class="strong">57.78% </span>
<span class="quiet">Lines</span>
<span class='fraction'>78/135</span>
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<pre><table class="coverage">
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364</td><td class="line-coverage quiet"><span class="cline-any cline-yes">1×</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">(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.
*/
<span class="fstat-no" title="function not covered" >function isExternalStackEntry (entry) {</span>
<span class="cstat-no" title="statement not covered" > return (entry ? true : false) &&</span>
// 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.
*/
<span class="fstat-no" title="function not covered" >function getRelevantStackFrom (stack) {</span>
<span class="cstat-no" title="statement not covered" > var filteredStack = [],</span>
relevantStack = []
<span class="cstat-no" title="statement not covered" > stack = stack.split('\n')</span>
<span class="cstat-no" title="statement not covered" > for (var i = 0; i < stack.length; i += 1) {</span>
<span class="cstat-no" title="statement not covered" > if (isExternalStackEntry(stack[i])) {</span>
<span class="cstat-no" title="statement not covered" > filteredStack.push(stack[i])</span>
}
}
// If the filtered stack is empty, i.e. the error originated entirely from within jasmine or karma, then the whole stack
// should be relevant.
<span class="cstat-no" title="statement not covered" > if (filteredStack.length === 0) {</span>
<span class="cstat-no" title="statement not covered" > filteredStack = stack</span>
}
<span class="cstat-no" title="statement not covered" > for (i = 0; i < filteredStack.length; i += 1) {</span>
<span class="cstat-no" title="statement not covered" > if (filteredStack[i]) {</span>
<span class="cstat-no" title="statement not covered" > relevantStack.push(filteredStack[i])</span>
}
}
<span class="cstat-no" title="statement not covered" > return relevantStack</span>
}
/**
* 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.
*/
<span class="fstat-no" title="function not covered" >function formatFailedStep (step) {</span>
// Safari seems to have no stack trace,
// so we just return the error message:
<span class="cstat-no" title="statement not covered" > if (!step.stack) { <span class="cstat-no" title="statement not covered" >return step.message; </span>}</span>
<span class="cstat-no" title="statement not covered" > var relevantMessage = []</span>
<span class="cstat-no" title="statement not covered" > var relevantStack = []</span>
// Remove the message prior to processing the stack to prevent issues like
// https://github.com/karma-runner/karma-jasmine/issues/79
<span class="cstat-no" title="statement not covered" > var stack = step.stack.replace('Error: ' + step.message, '')</span>
<span class="cstat-no" title="statement not covered" > var dirtyRelevantStack = getRelevantStackFrom(stack)</span>
// 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:
<span class="cstat-no" title="statement not covered" > for (var i = 0; i < dirtyRelevantStack.length; i += 1) {</span>
<span class="cstat-no" title="statement not covered" > if (step.message && step.message.indexOf(dirtyRelevantStack[i]) === -1) {</span>
// Stack entry is not in the message,
// we consider it to be a relevant stack:
<span class="cstat-no" title="statement not covered" > relevantStack.push(dirtyRelevantStack[i])</span>
} else {
// Stack entry is already in the message,
// we consider it to be a suitable message alternative:
<span class="cstat-no" title="statement not covered" > relevantMessage.push(dirtyRelevantStack[i])</span>
}
}
// In most cases the above will leave us with an empty message...
<span class="cstat-no" title="statement not covered" > if (relevantMessage.length === 0) {</span>
// Let's reuse the original message:
<span class="cstat-no" title="statement not covered" > relevantMessage.push(step.message)</span>
// Now we probably have a repetition case where:
// relevantMessage: ["Expected true to be false."]
// relevantStack: ["Error: Expected true to be false.", ...]
<span class="cstat-no" title="statement not covered" > if (relevantStack.length && relevantStack[0].indexOf(step.message) !== -1) {</span>
// The message seems preferable, so we remove the first value from
// the stack to get rid of repetition :
<span class="cstat-no" title="statement not covered" > relevantStack.shift()</span>
}
}
// 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
<span class="cstat-no" title="statement not covered" > return relevantMessage.concat(relevantStack).join('\n')</span>
}
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 {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!pointer._) {
<span class="cstat-no" title="statement not covered" > pointer._ = []</span>
}
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) {
<span class="missing-if-branch" title="else path not taken" >E</span>if (!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.
<span class="missing-if-branch" title="if path not taken" >I</span>if (result.description !== currentSuite.name) {
<span class="cstat-no" title="statement not covered" > return</span>
}
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
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (!result.success) {
<span class="cstat-no" title="statement not covered" > var steps = specResult.failedExpectations</span>
<span class="cstat-no" title="statement not covered" > for (var i = 0, l = steps.length; i < l; i++) {</span>
<span class="cstat-no" title="statement not covered" > result.log.push(formatFailedStep(steps[i]))</span>
}
}
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=(.*)$/
<span class="missing-if-branch" title="else path not taken" >E</span>if (Object.prototype.toString.call(clientArguments) === '[object Array]') {
var indexOfGrep = clientArguments.indexOf('--grep')
<span class="missing-if-branch" title="if path not taken" >I</span>if (indexOfGrep !== -1) {
<span class="cstat-no" title="statement not covered" > return clientArguments[indexOfGrep + 1]</span>
}
return clientArguments
.filter(<span class="fstat-no" title="function not covered" >function (arg) {</span>
<span class="cstat-no" title="statement not covered" > return grepRegex.test(arg)</span>
})
.map(<span class="fstat-no" title="function not covered" >function (arg) {</span>
<span class="cstat-no" title="statement not covered" > return arg.replace(grepRegex, '$1')</span>
})[0] || ''
} else <span class="cstat-no" title="statement not covered" >if (typeof clientArguments === 'string') {</span>
<span class="cstat-no" title="statement not covered" > var match = /--grep=([^=]+)/.exec(clientArguments)</span>
<span class="cstat-no" title="statement not covered" > return match ? match[1] : ''</span>
}
}
/**
* Create jasmine spec filter
* @param {Object} options Spec filter options
*/
var KarmaSpecFilter = function (options) {
var filterString = options && options.filterString() && <span class="branch-2 cbranch-no" title="branch not covered" >options.filterString().replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')</span>
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
<span class="missing-if-branch" title="if path not taken" >I</span>if (!('indexOf' in Array.prototype)) {
<span class="cstat-no" title="statement not covered" > Array.prototype.indexOf = <span class="fstat-no" title="function not covered" >function (find, i /*opt*/) {</span></span>
<span class="cstat-no" title="statement not covered" > if (i === undefined) {<span class="cstat-no" title="statement not covered" >i = 0;}</span></span>
<span class="cstat-no" title="statement not covered" > if (i < 0) {<span class="cstat-no" title="statement not covered" >i += this.length;}</span></span>
<span class="cstat-no" title="statement not covered" > if (i < 0) {<span class="cstat-no" title="statement not covered" >i = 0;}</span></span>
<span class="cstat-no" title="statement not covered" > for (var n = this.length; i < n; i++) {</span>
<span class="cstat-no" title="statement not covered" > if (i in this && this[i] === find) {</span>
<span class="cstat-no" title="statement not covered" > return i;}</span>}
<span class="cstat-no" title="statement not covered" > return -1</span>
}
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (!('map' in Array.prototype)) {
<span class="cstat-no" title="statement not covered" > Array.prototype.map = <span class="fstat-no" title="function not covered" >function (mapper, that /*opt*/) {</span></span>
<span class="cstat-no" title="statement not covered" > var other = new Array(this.length)</span>
<span class="cstat-no" title="statement not covered" > for (var i = 0, n = this.length; i < n; i++) {</span>
<span class="cstat-no" title="statement not covered" > if (i in this) {</span>
<span class="cstat-no" title="statement not covered" > other[i] = mapper.call(that, this[i], i, this);}</span>}
<span class="cstat-no" title="statement not covered" > return other</span>
}
}
<span class="missing-if-branch" title="if path not taken" >I</span>if (!('filter' in Array.prototype)) {
<span class="cstat-no" title="statement not covered" > Array.prototype.filter = <span class="fstat-no" title="function not covered" >function (filter, that /*opt*/) {</span></span>
<span class="cstat-no" title="statement not covered" > var other = [], v</span>
<span class="cstat-no" title="statement not covered" > for (var i = 0, n = this.length; i < n; i++) {</span>
<span class="cstat-no" title="statement not covered" > if (i in this && filter.call(that, v = this[i], i, this)) {</span>
<span class="cstat-no" title="statement not covered" > other.push(v);}</span>}
<span class="cstat-no" title="statement not covered" > return other</span>
}
}
createSpecFilter(window.__karma__.config, jasmine.getEnv())
window.__karma__.start = createStartFn(window.__karma__)
})(typeof window !== 'undefined' ? window : <span class="branch-1 cbranch-no" title="branch not covered" >global)</span>;
</pre></td></tr>
</table></pre>
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