author Daniel Holbert <dholbert@cs.stanford.edu>
Tue, 16 Nov 2010 10:35:59 -0800
changeset 57588 5a5ead36d721620e5ea1fd3c60a61e88350bdf54
parent 35947 43bda478500c3947fe241f376d9db70811db700e
child 323966 5eb33f6f7c54a71062f94538fe5c15e08e350f0c
permissions -rw-r--r--
Bug 610796: In SVG-as-an-image helper-documents, clear rendering observer lists at xpcom shutdown time. r=roc a=blocking-final+

import copy, re, os, subprocess, sys, tempfile

# We test the compiler indirectly, rather than reaching into the ipdl/
# module, to make the testing framework as general as possible.

class IPDLCompile:
    def __init__(self, specfilename, ipdlargv=[ 'python', 'ipdl.py' ]):
        self.argv = copy.deepcopy(ipdlargv)
        self.specfilename = specfilename
        self.stdout = None
        self.stderr = None
        self.returncode = None

    def run(self):
        '''Run |self.specstring| through the IPDL compiler.'''
        assert self.returncode is None

        tmpoutdir = tempfile.mkdtemp(prefix='ipdl_unit_test')

                '-d', tmpoutdir,
            proc = subprocess.Popen(args=self.argv,
            self.stdout, self.stderr = proc.communicate()

            self.returncode = proc.returncode
            assert self.returncode is not None

            for root, dirs, files in os.walk(tmpoutdir, topdown=0):
                for name in files:
                    os.remove(os.path.join(root, name))
                for name in dirs:
                    os.rmdir(os.path.join(root, name))

            if proc.returncode is None:

    def completed(self):
        return (self.returncode is not None
                and isinstance(self.stdout, str)
                and isinstance(self.stderr, str))

    def error(self):
        '''Return True iff compiling self.specstring resulted in an
IPDL compiler error.'''
        assert self.completed()

        return None is not re.search(r'error:', self.stderr)

    def exception(self):
        '''Return True iff compiling self.specstring resulted in a Python
exception being raised.'''
        assert self.completed()

        return None is not re.search(r'Traceback (most recent call last):',

    def ok(self):
        '''Return True iff compiling self.specstring was successful.'''
        assert self.completed()
        return (not self.exception()
                and not self.error()
                and (0 == self.returncode))