[Simpletest-devel] [ simpletest-Bugs-3537101 ] web form issues due to post fields being truncated

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Bugs item #3537101, was opened at 2012-06-22 01:20
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https://sourceforge.net/tracker/?func=detail&atid=547455&aid=3537101&group_id=76550

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Category: Web tester
Group: None
>Status: Open
Resolution: Works For Me
Priority: 5
Private: No
Submitted By: https://www.google.com/accounts ()
Assigned to: Perrick Penet (pp11)
Summary: web form issues due to post fields being truncated

Initial Comment:
I have been having trouble getting a login working using the the
browser module, this is only happening on one particular server which is
RHEL6 - php 5.3.13.

Basically the login fails, with the remote server rejecting the request.
On closer inspection, the post parameters appear to be truncated. i.e
there is a  validation key that should be

"/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA=="


but simpletest appears to be sending the following in the post instead


""/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA"


It appears the the '=' characters are being stripped off by mergeAttributes() in tidy_parser.php, however it also appears that the unaffected machines do not take this code path.

----------------------------------------------------------------------

>Comment By: https://www.google.com/accounts ()
Date: 2012-07-10 15:52

Message:
indeed, your given test case fails on the affected machine. See result
below.

6) Field [Text A] should match with [Field expectation [String:
/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA==]
fails with [String:
"/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA]
at character 0 with
[/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA==]
and
["/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA]]
at [/home/dart/trunk/test/acceptance_test.php line 1086]
	in testSubmissionOfTrickyPostValue
	in LiveTestOfForms
7) Text
[wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA==]
not detected in [String: Simple test target file A target for the
SimpleTest test suite. Request Protocol versionHTTP/1.0 Request methodPOST
Accept header Cookies Raw GET data [] GET data Dump of $_GET data Array ( )
Raw POST...] at [/home/dart/trunk/test/acceptance_test.php line 1089]
	in testSubmissionOfTrickyPostValue
	in LiveTestOfForms


----------------------------------------------------------------------

Comment By: Perrick Penet (pp11)
Date: 2012-07-01 06:04

Message:
I tried to replicate your bug with the following patch :

### Eclipse Workspace Patch 1.0
#P simpletest
Index: test/acceptance_test.php
===================================================================

--- test/acceptance_test.php	(revision 2050)
+++ test/acceptance_test.php	(working copy)
@@ -1079,6 +1079,13 @@
         $this->assertText("i=[']");
     }
 
+    function testSubmissionOfTrickyPostValue() {
+        $this->get($this->samples() .
'form_with_tricky_post_value.html');
+        $this->assertField('Text A',
'/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA==');
+        $this->click('Go!');
+       
$this->assertText("wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA==");
+    }
+
     function testFormActionRespectsBaseTag() {
         $this->get($this->samples() . 'base_tag/form.html');
         $this->assertTrue($this->clickSubmit('Go!'));
Index: test/site/form_with_tricky_post_value.html
===================================================================
--- test/site/form_with_tricky_post_value.html	(revision 0)
+++ test/site/form_with_tricky_post_value.html	(revision 0)
@@ -0,0 +1,10 @@
+<html>
+    <head><title>Test of form submission</title></head>
+    <body>
+        <form action="network_confirm.php" method="post">
+            <label>Text A <input type="text" name="a"
value="/wEWBgKg39dCAtHo2bAJAoCO7/gFAraE6F8CoejZkAICz5yEggoKjWoDPyV4u4qbEbtGzIJvWG8IkA=="></label>
+            <br />
+            <input type="submit" value="Go!">
+        </form>
+    </body>
+</html>
\ No newline at end of file

Property changes on: test/site/form_with_tricky_post_value.html
___________________________________________________________________
Added: svn:executable
   + *

But things are looking OK on my machine. Maybe you could elaborate on this
code to provide a failing test case and we can find the root cause more
easily.

Thanks in advance,
     Perrick



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