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executable file 132 lines (109 sloc) 4.487 kb
#!/usr/bin/env python
import traceback
import os
import re
import sys
if __name__ != "__main__": # we're imported as a module
_registered = []
_tests = 0
_fails = 0
def wvtest(func):
""" Use this decorator (@wvtest) in front of any function you want to run
as part of the unit test suite. Then run:
python wvtest.py path/to/yourtest.py
to run all the @wvtest functions in that file.
"""
_registered.append(func)
return func
def _result(msg, tb, code):
global _tests, _fails
_tests += 1
if code != 'ok':
_fails += 1
(filename, line, func, text) = tb
filename = os.path.basename(filename)
msg = re.sub(r'\s+', ' ', str(msg))
sys.stderr.flush()
print '! %-70s %s' % ('%s:%-4d %s' % (filename, line, msg),
code)
sys.stdout.flush()
def _check(cond, msg = 'unknown', tb = None):
if tb == None: tb = traceback.extract_stack()[-3]
if cond:
_result(msg, tb, 'ok')
else:
_result(msg, tb, 'FAILED')
return cond
def _code():
(filename, line, func, text) = traceback.extract_stack()[-3]
text = re.sub(r'^\w+\((.*)\)$', r'\1', unicode(text));
return text
def WVPASS(cond = True):
''' Throws an exception unless cond is true. '''
return _check(cond, _code())
def WVFAIL(cond = True):
''' Throws an exception unless cond is false. '''
return _check(not cond, 'NOT(%s)' % _code())
def WVPASSEQ(a, b):
''' Throws an exception unless a == b. '''
return _check(a == b, '%s == %s' % (repr(a), repr(b)))
def WVPASSNE(a, b):
''' Throws an exception unless a != b. '''
return _check(a != b, '%s != %s' % (repr(a), repr(b)))
def WVPASSLT(a, b):
''' Throws an exception unless a < b. '''
return _check(a < b, '%s < %s' % (repr(a), repr(b)))
def WVPASSLE(a, b):
''' Throws an exception unless a <= b. '''
return _check(a <= b, '%s <= %s' % (repr(a), repr(b)))
def WVPASSGT(a, b):
''' Throws an exception unless a > b. '''
return _check(a > b, '%s > %s' % (repr(a), repr(b)))
def WVPASSGE(a, b):
''' Throws an exception unless a >= b. '''
return _check(a >= b, '%s >= %s' % (repr(a), repr(b)))
else: # we're the main program
# NOTE
# Why do we do this in such convoluted way? Because if you run
# wvtest.py as a main program and it imports your test files, then
# those test files will try to import the wvtest module recursively.
# That actually *works* fine, because we don't run this main program
# when we're imported as a module. But you end up with two separate
# wvtest modules, the one that gets imported, and the one that's the
# main program. Each of them would have duplicated global variables
# (most importantly, wvtest._registered), and so screwy things could
# happen. Thus, we make the main program module *totally* different
# from the imported module. Then we import wvtest (the module) into
# wvtest (the main program) here and make sure to refer to the right
# versions of global variables.
#
# All this is done just so that wvtest.py can be a single file that's
# easy to import into your own applications.
import wvtest
def _runtest(modname, fname, f):
print
print 'Testing "%s" in %s.py:' % (fname, modname)
sys.stdout.flush()
try:
f()
except Exception, e:
print
print traceback.format_exc()
tb = sys.exc_info()[2]
wvtest._result(e, traceback.extract_tb(tb)[-1],
'EXCEPTION')
# main code
for modname in sys.argv[1:]:
if not os.path.exists(modname):
print 'Skipping: %s' % modname
continue
if modname.endswith('.py'):
modname = modname[:-3]
print 'Importing: %s' % modname
wvtest._registered = []
mod = __import__(modname.replace('/', '.'), None, None, [])
for t in wvtest._registered:
_runtest(modname, t.func_name, t)
print
print
print 'WvTest: %d tests, %d failures.' % (wvtest._tests, wvtest._fails)
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