Some unit tests fail on Google App Engine SDK

Rhys <[email protected]> Mon, 12 Jul 2010 23:37:54 +1000

Newsgroups	gmane.comp.python.cheetah
Message-ID	<[email protected]>

I'm not sure if this is useful, but you might like to know that some tests
seem to fail on Google App Engine SDK for non-sandbox-related reasons.

Running Cheetah 2.4.2.1, Google App Engine SDK 1.3.5, Python 2.5.2, Ubuntu
9.10. All tests ran through GAEUnit (Google App Engine Unit Test Framework)
version 1.2.8.

I have made two changes to Cheetah/Compiler.py: on line 45, I set
useStackFrames to False and I removed the code that attempts to load the C
version of NameMapper (forgot the line, sorry). This was to prevent Cheetah
from complaining when it couldn't load _namemapper.so (App Engine only
allows pure Python libraries).

I ran all tests except those in:

   - Cheetah.Tests.SyntaxAndOutput.[IncludeDirective, Backslashes]
   - Cheetah.Tests.Template.ClassMethods_compile
   - Cheetah.Tests.Unicode.[JBQ_UTF8_Test7, JBQ_UTF8_Test8,
   Unicode_in_SearchList_Test]
   - Cheetah.Tests.CheetahWrapper

I did not run the above tests because they appear to attempt to write to
files or use the tempfile lib (which is disabled, except for
TemporaryFilewhich is aliased to StringIO) and so they error out.

The following tests failed:

   - Cheetah.Tests.Cheps.test_InlineImport
   - Cheetah.Tests.Unicode.test_failure

The following test raised an error:

   - Cheetah.Tests.SyntaxAndOutput.test13

I've attached the tracebacks produced by GAEUnit. Hope this helps in some
small way!

--
Rhys

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gae_cheetah_tracebacks.txt (text/plain, 2.8 KB)

=================================================
FAILURE Verify (new) inline import behavior works
=================================================

Traceback (most recent call last):
  File "/home/rhys/EclipseWorkspace/lyrical-3/src/Cheetah/Tests/Cheps.py", line 29, in test_InlineImport
    self.fail('Failed to properly generate code %s' % ex)
AssertionError: Failed to properly generate code 

Error in the Python code which Cheetah generated for this template:
================================================================================

expected an indented block (cheetah_DynamicallyCompiledCheetahTemplate_1278940191_43_29815.py, line 88)

Line|Python Code
----|-------------------------------------------------------------
86  |        
87  |        try: # generated from line 3, col 17
88  |        except ImportError: # generated from line 5, col 17
                 ^
89  |        return urllib.quote(VFSL([locals()]+SL+[globals(), builtin],"s",True))
90  |        
91  |        ########################################

================================================================================

Here is the corresponding Cheetah code:

Line 5, column 17

Line|Cheetah Code
----|-------------------------------------------------------------
2   |            #def funky($s)
3   |                #try
4   |                    #import urllib
5   |                #except ImportError
                     ^
6   |                    #pass
7   |                #end try
8   |                #return urllib.quote($s)


======================================================
FAILURE Test a template lacking a proper #encoding tag
======================================================

Traceback (most recent call last):
  File "/home/rhys/EclipseWorkspace/lyrical-3/src/Cheetah/Tests/Unicode.py", line 224, in test_failure
    'numpedidos_noconf' : ''}])
AssertionError: UnicodeDecodeError not raised

===============================================================
ERROR nested dictionary access using method - alternating style
===============================================================

Traceback (most recent call last):
  File "/home/rhys/EclipseWorkspace/lyrical-3/src/Cheetah/Tests/SyntaxAndOutput.py", line 995, in test13
    "nestedItem2")
  File "/home/rhys/EclipseWorkspace/lyrical-3/src/Cheetah/Tests/SyntaxAndOutput.py", line 176, in verify
    output = templateObj.respond() # rather than __str__, because of unicode
  File "cheetah_DynamicallyCompiledCheetahTemplate_1278940212_1_26989.py", line 85, in respond
  File "/home/rhys/EclipseWorkspace/lyrical-3/src/Cheetah/NameMapper.py", line 251, in valueForName
    return _valueForName(obj, name, executeCallables)
  File "/home/rhys/EclipseWorkspace/lyrical-3/src/Cheetah/NameMapper.py", line 246, in _valueForName
    obj = nextObj
UnboundLocalError: local variable 'nextObj' referenced before assignment