"""Supporting definitions for the Python regression test.""" class Error(Exception): """Base class for regression test exceptions.""" class TestFailed(Error): """Test failed.""" class TestSkipped(Error): """Test skipped. This can be raised to indicate that a test was deliberatly skipped, but not because a feature wasn't available. For example, if some resource can't be used, such as the network appears to be unavailable, this should be raised instead of TestFailed. """ verbose = 1 # Flag set to 0 by regrtest.py use_large_resources = 1 # Flag set to 0 by regrtest.py def unload(name): import sys try: del sys.modules[name] except KeyError: pass def forget(modname): unload(modname) import sys, os for dirname in sys.path: try: os.unlink(os.path.join(dirname, modname + '.pyc')) except os.error: pass FUZZ = 1e-6 def fcmp(x, y): # fuzzy comparison function if type(x) == type(0.0) or type(y) == type(0.0): try: x, y = coerce(x, y) fuzz = (abs(x) + abs(y)) * FUZZ if abs(x-y) <= fuzz: return 0 except: pass elif type(x) == type(y) and type(x) in (type(()), type([])): for i in range(min(len(x), len(y))): outcome = fcmp(x[i], y[i]) if outcome != 0: return outcome return cmp(len(x), len(y)) return cmp(x, y) TESTFN = '@test' # Filename used for testing from os import unlink def findfile(file, here=__file__): import os if os.path.isabs(file): return file import sys path = sys.path path = [os.path.dirname(here)] + path for dn in path: fn = os.path.join(dn, file) if os.path.exists(fn): return fn return file def verify(condition, reason='test failed'): """ Verify that condition is true. If not, raise an AssertionError. The optinal argument reason can be given to provide a better error text. """ if not condition: raise AssertionError,reason