NAME

Wight - Communicate with PhantomJS

SYNOPSIS

use Wight;

my $wight = Wight->new;

$wight->visit('http://example.com/');
$wight->evaluate('document.title'); # => evaluates JavaScript expression

$wight->find('//a[@rel="next"]')->click;

DESCRIPTION

Wight provides methods for operating PhantomJS from Perl, especially intended to be used testing web application.

For client side scripting, uses poltergeist's JavaScript.

WARNING

This module is currently under development and interfaces are subject to change.

INITIALIZATION

my $wight = Wight->new(%args);

%args accepts keys below:

• autorun => 1

  Automatically runs PhantomJS and waits for it. Defaults to true, otherwise you will call handshake explicitly.

• phantomjs => 'phantomjs'

  Specifies PhantomJS command. Defaults to 'phantomjs'.

• cookie_jar => $HTTP_Cookies

  Supply browser cookies.

BROWSER METHODS

Every method croaks if the operation failed.

• $wight->visit($path)

  Opens a web page.

• my $result = $wight->evaluate($javascript_expression)

  Evaluates a JavaScript expression and returns its result.

• $wight->execute($javascript_statement)

  Executes JavaScript statements.

• my $node = $wight->find($xpath)

• my @nodes = $wight->find($xpath)

  Finds a node within current page and returns a (list of) Wight::Node.

• $wight->render($file)

  Renders current page to local file.

• $wight->set_headers(\%headers)

  Set request headers.

NODE METHODS

Every method croaks if the operation was failed.

• $node->click
• my $text = $node->text
• $node->set($value)

INITIALIZATION METHODS

• my $port = $wight->spawn_psgi($file_or_code)

  Forks and runs specified PSGI application. Sets its base_url to "http://localhost:_$port_/".

• $wight->handshake

  Starts PhantomJS and waits for communication established. After this, you can call BROWSER METHODS above.

• $wight->base_url($url);

UTILITY METHODS

• $wight->sleep($secs)

• $wight->wait_until(\&code)

  Stops execution until code returns a true value.

AUTHOR

motemen [email protected]

SEE ALSO

Poltergeist

LICENSE

Wight itself (Perl part):

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

JavaScripts from Poltergeist:

Copyright (c) 2011 Jonathan Leighton

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.