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CasperJS Changelog

XXXX-XX-XX, v1.1

This version is yet to be released, and will possibly be tagged as 2.0 as not-so-backward-compatible refactoring occured on the master branch. I don't know yet.

Important Changes & Caveats

Minimum PhantomJS version

PhantomJS 1.8.1 or later is required for 1.1.

require() in custom modules

CasperJS 1.1 now internally uses PhantomJS' native require() function, but it has side effect if you write your own casperjs modules; in any casperjs module, you now have to use the new global patchRequire() function first:

// casperjs module code
var require = patchRequire(require);
// now you can require casperjs builtins
var utils = require('utils');
exports = {
    // ...
};

Note: you don't have to use patchRequire() in a standard casperjs script.

Testing framework refactoring

A new Tester.begin() method has been introduced to help organizing tests better:

function Cow() {
    this.mowed = false;
    this.moo = function moo() {
        this.mowed = true; // mootable state: don't do that
        return 'moo!';
    };
}

// unit style synchronous test case
casper.test.begin('Cow can moo', 2, function suite(test) {
    var cow = new Cow();
    test.assertEquals(cow.moo(), 'moo!');
    test.assert(cow.mowed);
    test.done();
});

// asynchronous test case
casper.test.begin('Casperjs.org is navigable', 2, function suite(test) {
    casper.start('http://casperjs.org/', function() {
        test.assertTitleMatches(/casperjs/i);
        this.clickLabel('Testing');
    });

    casper.then(function() {
        test.assertUrlMatches(/testing\.html$/);
    });

    casper.run(function() {
        test.done();
    });
});

Tester#setUp() and Tester#tearDown() methods have been also added in order to ease the definition of operations to be performed before and after each test defined using Tester#begin():

casper.test.setUp(function() {
    console.log('executed before each test');
});

casper.test.tearDown(function() {
    console.log('executed after each test');
});

Both can work asynchronously as well of you define the done argument:

casper.test.setUp(function(done) {
    setTimeout(function() {
        console.log('asynchronously executed before each test');
        done();
    }, 1000);
});

casper.test.tearDown(function(done) {
    setTimeout(function() {
        console.log('asynchronously executed after each test');
        done();
    }, 1000);
});

Tester#begin() itself has also local setUp() and tearDown() capabilities if you pass it a configuration object instead of a function:

casper.test.begin('range tests', 1, {
    range: [1, 2],

    setUp: function(test) {
        this.range.push(3);
    },

    tearDown: function(test) {
        range = [];
    },

    test: function(test) {
        test.assertEquals(range.length, 3);
        test.done();
    }
});

Scraping and testing are now better separated in CasperJS. That involves breaking up BC on some points though:

  • The Casper object won't be created with a test reference if not invoked using the casperjs test command, therefore the ability to run any test without calling it has been dropped. I know, get over it.
  • Passing the planned number of tests to casper.done() has been dropped as well, because done() may be never called at all when big troubles happen; rather use the new begin() method and provide the expected number of tests using the second argument:
casper.test.begin("Planning 4 tests", 4, function(test) {
    [1, 2, 3, 4].forEach(function() {
        test.assert(true);
    });
    test.done();
});

Last, all the casper test suites have been upgraded to use the new testing features, you may want to have a look at the changes.

Request abortion

When using PhantomJS >=1.9.0, you can now abort outgoing requests:

casper.on('page.resource.requested', function(requestData, request) {
    if (requestData.url.indexOf('http://adserver.com') === 0) {
        request.abort();
    }
});

Bugfixes & enhancements

2013-02-08, v1.0.2

  • fixed #431 - fix for visible/waitUntilVisible when selector matches multiple elements
  • fixed #370 - mergeObjects failed to deep-clone when the target object did not contain the corresponding key
  • fixed #375 - Fixes a bug with getting form values for radio inputs, and introduces a minor optimization to avoid processing the same form fields more than once.
  • closed #373 - added RegExp support to Casper.waitForText()
  • fixed #368 - Remote JS error is thrown when a click target is missing after click()
  • merged PR #357 - fire the input event after setting input value (required to support angular.js apps)

2013-01-17, v1.0.1

  • fixed #336 - Test result duration may have an exotic value
  • Added casper.mouse.doubleclick()
  • fixed #343 - Better script checks
  • fixed an edge case with xunit export when phantom.casperScript may be not defined

2012-12-24, v1.0.0

Important Changes & Caveats

  • PhantomJS 1.6.x support has been dropped. Both PhantomJS 1.7 & 1.8 will be supported.
  • the deprecated injector module has been removed from the codebase (RIP dude)
  • a 1.0 maintenance branch has been created
  • CasperJS 1.1 development is now taking place on the master branch

Bugfixes & enhancements

  • fixed page.initialized event didn't get the initialized WebPage instance
  • fixed a bug preventing Casper.options.onPageInitialized() from being called
  • fixed #215 - fixed broken --fail-fast option creating an endless loop on error
  • fixed Tester.renderFailureDetails() which couldn't print failure details correctly in certain circumstances
  • fixed Casper.getHTML() wasn't retrieving active frame contents when using Casper.withFrame()
  • fixed #327 - event handler for page.confirm always returns true
  • merged PR #322 - Support number in Casper.withFrame()
  • fixed #323 - thenEvaluate() should be updated to take the same parameters as evaluate(), while maintaining backwards compatibility.
  • merged PR #319, fixed #209 - test duration has been added to XUnit XML result file.
  • Casper.userAgent() does not require the instance to be started anymore
  • dubious tests now have dedicated color & styling
  • added hint printing when a possible casperjs command call is detected

2012-12-14, v1.0.0-RC6

I'm still expecting a 1.0 stable for Christmas. Feedback: bring it on.

Important Changes & Caveats

Added experimental support for frames

A minimal convenient API has been added to Casper in order to ease the switch of current page context:

casper.start('tests/site/frames.html', function() {
    this.test.assertTitle('CasperJS frameset');
});

casper.withFrame('frame1', function() {
    this.test.assertTitle('CasperJS frame 1');
});

casper.then(function() {
    this.test.assertTitle('CasperJS frameset');
});

Reverted to emulated mouse events

Native mouse events didn't play well with (i)frames, because the computed element coordinates of the clicked element were erroneous.

So programmatic mouse events are reintroduced back into this corrective RC until a better solution is found.

Bugfixes & enhancements

  • merged #269 - Windows Batch script: fixed unsupported spaces in path and argument splitting

2012-12-10, v1.0.0-RC5

I told you there won't be an 1.0.0-RC5? I lied. Expect 1.0 stable for Christmas, probably.

Important Changes & Caveats

Casper.evaluate() signature compatibility with PhantomJS

Casper.evaluate() method signature is now compatible with PhantomJS' one, so you can now write:

casper.evaluate(function(a, b) {
    return a === "foo" && b === "bar";
}, "foo", "bar"); // true

The old way to pass arguments has been kept backward compatible in order not to break your existing scripts though:

casper.evaluate(function(a, b) {
    return a === "foo" && b === "bar";
}, {a: "foo", b: "bar"}); // true

Specification of planned tests

In order to check that every planned test has actuall been executed, a new optional planned parameter has been added to Tester.done():

casper.test.assert(true);
casper.test.assert(true);
casper.test.assert(true);
casper.test.done(4);

Will trigger a failure:

fail: 4 tests planned, 3 tests executed.

That's especially useful in case a given test script is abruptly interrupted leaving you with no obvious way to know it and an erroneous success status.

The whole CapserJS test suite has been migrated to use this new feature.

Experimental support for popups

PhantomJS 1.7 ships with support for new opened pages — aka popups. CasperJS can now wait for a popup to be opened and loaded to react accordingly using the new Casper.waitForPopup() and Casper.withPopup() methods:

casper.start('http://foo.bar/').then(function() {
    this.test.assertTitle('Main page title');
    this.clickLabel('Open me a popup');
});

// this will wait for the popup to be opened and loaded
casper.waitForPopup(/popup\.html$/, function() {
    this.test.assertEquals(this.popups.length, 1);
});

// this will set the popup DOM as the main active one only for time the
// step closure being executed
casper.withPopup(/popup\.html$/, function() {
    this.test.assertTitle('Popup title');
});

// next step will automatically revert the current page to the initial one
casper.then(function() {
    this.test.assertTitle('Main page title');
});

Casper.mouseEvent() now uses native events for most operations

Native mouse events from PhantomJS bring a far more accurate behavior.

Also, Casper.mouseEvent() will now directly trigger an error on failure instead of just logging an error event.

Bugfixes & enhancements

  • fixed #308 & #309 - proper module error backtraces
  • fixed #306 - Raise an explicit error on invalid test path
  • fixed #300 - Ensure that findOne() and findAll() observe the scope for XPath expressions, not just when passed CSS selectors
  • fixed #294 - Automatically fail test on any runtime error or timeout
  • fixed #281 - Casper.evaluate() should take an array as context not object
  • fixed #266 - Fix tester module and its self tests
  • fixed #268 - Wrong message on step timeout
  • fixed #215 - added a --fail-fast option to the casper test command, in order to terminate a test suite execution as soon as any failure is encountered
  • fixed #274 - some headers couldn't be set
  • fixed #277 - multiline support in ClientUtils.echo()
  • fixed #282 - added support for remote client scripts loading with a new remoteScripts casper option
  • fixed #290 - add a simplistic RPM spec file to make it easier to (un)install casperjs
  • fixed utils.betterTypeOf() to properly handle undefined and null values
  • fixed Casper.die() and Casper.evaluateOrDie() were not printing the error onto the console
  • added JSON support to require()
  • added Tester.assertTruthy() and Tester.assertFalsy()
  • added Casper.sendKeys() to send native keyboard events to the element matching a given selector
  • added Casper.getFormValues() to check for the field values of a given form
  • added Tester.assertTextDoesntExist()
  • added Tester.assertFalse() as an alias of Tester.assertNot()
  • added page.resource.requested and page.resource.received events
  • added translate.js and translate.coffee samples

2012-10-31, v1.0.0-RC4

Next version should be 1.0.0 stable.

  • fixed #261 - Impossible to require CoffeeScript modules
  • fixed #262 - Injecting clientScripts is not working
  • fixed #259 - enhanced Tester.assertField() method, which can now tests for other field types than inputs.
  • fixed Casper.getCurrentUrl() could misbehave with encoded urls
  • added Casper.echo() to print a message to the casper console from the remote DOM environment
  • added Casper.waitForText() to wait for a given text to be present in page HTML contents
  • added ClientUtils.getFieldValue()
  • Local CoffeeScript version has been upgraded to 1.4.0

2012-10-23, v1.0.0-RC3

Important Changes & Caveats

  • the injector module is now deprecated, but kept for backward compatibility purpose.
  • BC BREAK: fixes #220, #237 - added a waitTimeout options, removed defaultWaitTimeout option.
  • BC BREAK (for the better): fixes #249 - default timeout functions don't die() anymore in tests
  • BC BREAK (for the better): merged #188 - Easy access to current response object; You can now access the current response object as the first parameter of step callbacks:
require('casper').create().start('http://www.google.fr/', function(response) {
    require('utils').dump(response);
}).run();

That gives:

$ casperjs dump-headers.js
{
    "contentType": "text/html; charset=UTF-8",
    "headers": [
        {
            "name": "Date",
            "value": "Thu, 18 Oct 2012 08:17:29 GMT"
        },
        {
            "name": "Expires",
            "value": "-1"
        },
        // ... lots of other headers
    ],
    "id": 1,
    "redirectURL": null,
    "stage": "end",
    "status": 200,
    "statusText": "OK",
    "time": "2012-10-18T08:17:37.068Z",
    "url": "http://www.google.fr/"
}

To fetch a particular header by its name:

require('casper').create().start('http://www.google.fr/', function(response) {
    this.echo(response.headers.get('Date'));
}).run();

That gives:

$ casperjs dump-single-header.js
Thu, 18 Oct 2012 08:26:34 GMT

The documentation has been updated accordingly.

Bugfixes & enhancements

  • merged #234 - New Windows Loader written in Batch. Python is no more a requirement for using CasperJS on Windows. New installation instructions are available.
  • a new onWaitTimeout option has been added, to allow defining a default behavior when a waitFor* function times out.
  • Casper.resourceExists() and related functions now checks for non HTTP-404 received responses.
  • fixed #167 - fixed opening truncated/uncomplete root urls may give erroneous HTTP statuses
  • closes #205 - debugHTML() can have a selector passed; added getHTML()
  • closes #230 - added ClientUtils.getElementsBound() and Casper.getElementsBound()
  • fixed #235 - updated Casper.evaluate() to use phantomjs >= 1.6 native one. As a consequence, the injector module is marked as deprecated.
  • fixed #250 - prevent self tests to be run using the standard casper test command
  • fixed #254 - fix up one use of qsa, hit when filling forms with missing elements
  • fixed edge case when current document url couldn't be properly decoded

2012-10-01, v1.0.0-RC2

Important Changes & Caveats

  • PhantomJS 1.6 is now the minimal requirement, PhantomJS 1.7 is supported.
  • CasperJS continues to ship with its own implementation of CommonJS' module pattern, due to the way it has to work to offer its own executable. While the implementations are nearly the same, 100% compatibility is not guaranteed.

Bugfixes & enhancements

  • fixed #119 - Casper.currentHTTPStatus now defaults to null when resource are loaded using the file:// protocol
  • fixed #130 - added a --no-colors option to the casper test command to skip output coloration
  • fixed #153 - erroneous mouse event results when event.preventDefault() was used.
  • fixed #164 - ability to force CLI parameters as strings (see related documentation).
  • fixed #178 - added Casper.getPageContent() to access raw page body contents on non-html received content-types.
  • fixed #180 - CasperJS tests are now run against a local HTTP test server. A new casper selftest command has been added as well.
  • fixed #189 - fixed invalid XML due to message colorization
  • fixed #197 & #240 - Added new tester methods:
  • fixed #202 - Fix test status timeouts when running multiple suites
  • fixed #204 - Fix for when the url is changed via javascript
  • fixed #210 - Changed escape to encodeURIComponent for downloading binaries via POST
  • fixed #216 - Change clientutils to be able to set a global scope
  • fixed #219 - ease chaining of run() calls (more explanations)
  • fixed #222 & #211 - Change mouse event to include an X + Y value for click position
  • fixed #231 - added --pre and --post options to the casperjs test command to load test files before and after the execution of testsuite
  • fixed #232 - symlink resolution in the ruby version of the casperjs executable
  • fixed #236 - fixed Casper.exit returned this after calling phantom.exit() which may caused PhantomJS to hang
  • fixed #252 - better form.fill() error handling
  • added ClientUtils.getDocumentHeight()
  • added toString() and status() methods to Casper prototype.

2012-06-26, v1.0.0-RC1

PhantomJS 1.5 & 1.6

PhantomJS >= 1.6 supported features

  • added support of custom headers sending in outgoing request - refs #137)
  • added support for prompt() and confirm() - closes #125
  • fixed #157 - added support for PhantomJS 1.6 WebPage#zoomFactor
  • added url.changed & navigation.requested events - refs #151

2012-06-04, v0.6.10

  • fixed #73 - Casper.download() not working correctly with binaries
  • fixed #129 - Can't put // comments in evaluate() function
  • closed #130 - Added a Dummy colorizer class, in order to disable colors in console output
  • fixed #133 - updated and fixed documentation about extensibility
  • added Casper.clickLabel() for clicking on an element found by its innerText content

As a side note, the official website monolithic page has been split across several ones: http://casperjs.org/

2012-05-29, v0.6.9

  • BC BREAK: PhantomJS 1.5 is now the minimal PhantomJS version supported.
  • fixed #114 - ensured client-side utils are injected before any evaluate() call
  • merged #89 - Support for more mouse events (@nrabinowitz)
  • added a new error event, better error reporting
  • fixed #117 - fill() coulnd't submit() a form with a submit input named submit
  • merged #122 - allow downloads to be triggered by more than just GET requests
  • closed #57 - added context to emitted test events + complete assertion framework refactor
  • fixed loaded resources array is now reset adequately reference discussion
  • fixed incomplete error message logged when passed an erroneous selector (xpath and css)

2012-05-20, v0.6.8

  • added support for XPath selectors
  • added Tester.assertNotEquals() (@juliangruber)
  • fixed #109 - CLI args containing = (equals sign) were not being parsed properly

2012-05-12, v0.6.7

  • fixes #107: client utils were possibly not yet being injected and available when calling Capser.base64encode() from some events
  • merged PR #96: make python launcher use os.execvp() instead of subprocess.Popen() (@jart):

    This patch fixes a bug where casperjs' python launcher process won't pass along kill signals to the phantomjs subprocess. This patch works by using an exec system call which causes the phantomjs subprocess to completely replace the casperjs parent process (while maintaining the same pid). This patch also has the added benefit of saving 10 megs or so of memory because the python process is discarded.

  • fixes #109 - CLI args containing = (equals sign) were not parsed properly
  • fixes #100 & #110 - googlepagination sample was broken
  • merged #103 - added Tester.assertNotEquals method (@juliangruber)

2012-04-27, v0.6.6

  • BC BREAK:: moved the page.initialized event to where it should have always been, and is now using native phantomjs onInitialized event
  • fixed #95 - Tester.assertSelectorExists was broken

2012-03-28, v0.6.5

  • BC BREAK: reverted 8347278 (refs #34 and added a new clear() method to close a page You now have to call casper.clear() if you want to stop javascript execution within the remote DOM environment.
  • BC BREAK: removed fallbackToHref option handling in ClientUtils.click() (refs #63)
  • tester.findTestFiles() now returns results in predictable order
  • added --log-level and --direct options to casper test command
  • fixed 0.6.4 version number in bootstrap.js
  • centralized version number to package.json
  • ensured compatibility with PhantomJS 1.5

2012-02-09, v0.6.4

  • fixed casperjs command wasn't passing phantomjs native option in the correct order, resulting them not being taken into account by phantomjs engine:
    • fixed #49 - casperjs is not sending --ssl-ignore-errors
    • fixed #50 - Cookies not being set when passing --cookies-file option
  • fixed Python3 compatibility of the casperjs executable

2012-02-05, v0.6.3

  • fixed #48 - XML Output file doesn't have classpath populated with file name
  • refs #46 - added value details to Tester fail event
  • new site design, new domain, enhanced & updated docs

2012-01-19, v0.6.2

  • fixed #41 - injecting casperjs lib crashes cmd.exe on Windows 7

  • fixed #42 - Use file name of test script as 'classname' in JUnit XML report (@mpeltonen)

  • fixed #43 - Exit status not reported back to caller

  • suppressed colorized output syntax for windows; was making output hard to read

  • added patchy fs.isWindows() method

  • added --xunit=<filename> cli option to $ casperjs test command for saving xunit results, eg.:

    $ casperjs test tests/suites --xunit=build-result.xml

2012-01-16, v0.6.1

  • restablished js-emulated click simulation first, then native QtWebKit events as a fallback; some real world testing have surprinsingly proven the former being often more efficient than the latter
  • fixed casperjs executable could not handle a PHANTOMJS_EXECUTABLE containing spaces
  • fixed casper could not be used without the executable as documented
  • fixed wrong debug log level on ClientUtils.click() error; set to error

Please check the updated documentation.

2012-01-12, v0.6.0

  • BC BREAK: Casper.click() now uses native Webkit mouse events instead of previous crazy utopic javascript emulation
  • BC BREAK: All errors thrown by CasperJS core are of the new CasperError type
  • BC BREAK: removed obsolete replaceFunctionPlaceholders()
  • Deprecated: Casper.extend() method has been deprecated; use natural javascript extension mechanisms instead (see samples)
  • added $ casperjs test command for running split test suites
  • Casper.open() can now perform HTTP GET, POST, PUT, DELETE and HEAD operations
  • commonjs/nodejs-like module exports implementation
  • ported nodejs' events module to casperjs; lots of events added, plus some value filtering capabilities
  • introduced the mouse module to handle native Webkit mouse events
  • added support for RegExp input in Casper.resourceExists()
  • added printing of source file path for any uncaught exception printed onto the console
  • added an emulation of stack trace printing (but PhantomJS will have to upgrade its javascript engine for it to be fully working though)

Please check the updated documentation.

2011-12-25, v0.4.2

  • merged PR #30 - Add request method and request data to the base64encode() method (@jasonlfunk)
  • casperjs executable now gracefully exists on KeyboardInterrupt
  • added Casper.download() method, for downloading any resource and save it onto the filesystem

2011-12-21, v0.4.1

  • fixed #31 - replaced bash executable script by a Python one

2011-12-20, v0.4.0

  • first numbered version