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Posted by M.O.B. i L. on April 18, 2008, 12:33 pm
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Hi,
WWW::Mechanize is a Perl module that simulates a web browser.
You can use HTTP::Recorder to write WWW::Mechanize code automatically as
you surf, see the article:
http://www.perl.com/pub/a/2004/06/04/recorder.html
Then you can improve this code with variables and loops and use it for
testing of web sites.
I saved the proxy server program in the article and started it:
./proxy.pl &
I reconfigured Firefox to use the proxy server in
Preferences/Advanced/Network/Connection Settings. It's on port 8080 on
localhost, and use this for all protocols. Remember to remove localhost
and 127.0.0.1 from 'No Proxy for' if you test against a local web server.
Then I test my web application using a newly reseted test database.
After that I stop the proxy:
kill -15 %1
And reset the database.
I then edit the file with output from the proxy script and add at top:
#!/usr/bin/perl
use strict;
use warnings;
use WWW::Mechanize;
# use Test::More qw(no_plan);
my $agent = WWW::Mechanize->new();
$agent->cookie_jar(HTTP::Cookies->new);
I run this program. This should run without errors.
I can also check my web application and see that it is in the state it
should be.
Now I have a test script that I can use after major changes to the web
application to test that everything is still working.
Hidden form fields are considered read-only by HTTP::Recorder and
WWW::Mechanize. I sometimes change them from JavaScript. I solved this
by making them type="text" and setting the style="display:none".
There is a bug in 0.05 of HTTP::Recorder that bothered me but it can be
fixed, see:
http://cpanratings.perl.org/dist/HTTP-Recorder
Regards,
// Mikael
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