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#! /usr/bin/env python
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Driver program to run METAL and TAL regression tests:
compares interpeted test files with expected output files in a sibling
directory.
"""
from __future__ import print_function
import glob
import os
import sys
import traceback
import difflib
import copy
import optparse
try:
# Python 2.x
from cStringIO import StringIO
except ImportError:
# Python 3.x
from io import StringIO
import zope.tal.driver
import zope.tal.tests.utils
def showdiff(a, b, out):
print(''.join(difflib.ndiff(a, b)), file=out)
def main(argv=None, out=sys.stdout):
parser = optparse.OptionParser('usage: %prog [options] [testfile ...]',
description=__doc__)
parser.add_option('-q', '--quiet', action='store_true',
help="less verbose output")
internal_options = optparse.OptionGroup(parser, 'Internal options')
internal_options.add_option(
'-Q',
'--very-quiet',
action='store_true',
dest='unittesting',
help="no output on success, only diff/traceback on failure")
internal_options.add_option('-N', '--normalize-newlines',
action='store_true', dest='normalize_newlines',
help="ignore differences between CRLF and LF")
parser.add_option_group(internal_options)
driver_options = optparse.OptionGroup(
parser,
'Driver options',
"(for debugging only; supplying these *will* cause test failures)")
for option in zope.tal.driver.OPTIONS:
driver_options.add_option(option)
parser.add_option_group(driver_options)
opts, args = parser.parse_args(argv)
if not args:
here = os.path.dirname(__file__)
prefix = os.path.join(here, "tests", "input", "test*.")
if zope.tal.tests.utils.skipxml:
xmlargs = []
else:
xmlargs = sorted(glob.glob(prefix + "xml"))
htmlargs = sorted(glob.glob(prefix + "html"))
args = xmlargs + htmlargs
if not args:
sys.stderr.write("No tests found -- please supply filenames\n")
sys.exit(1)
errors = 0
for arg in args:
locopts = []
if "metal" in arg and not opts.macro_only:
locopts.append("-m")
if "_sa" in arg and not opts.annotate:
locopts.append("-a")
if not opts.unittesting:
print(arg, end=' ', file=out)
sys.stdout.flush()
if zope.tal.tests.utils.skipxml and arg.endswith(".xml"):
print("SKIPPED (XML parser not available)", file=out)
continue
save = sys.stdout, sys.argv
try:
try:
sys.stdout = stdout = StringIO()
sys.argv = ["driver.py"] + locopts + [arg]
zope.tal.driver.main(copy.copy(opts))
finally:
sys.stdout, sys.argv = save
except SystemExit:
raise
except BaseException:
errors = 1
if opts.quiet:
print(sys.exc_info()[0].__name__, file=out)
sys.stdout.flush()
else:
if opts.unittesting:
print('', file=out)
else:
print("Failed:", file=out)
sys.stdout.flush()
traceback.print_exc()
continue
head, tail = os.path.split(arg)
outfile = os.path.join(
head.replace("input", "output"),
tail)
try:
f = open(outfile)
except IOError:
expected = None
print("(missing file %s)" % outfile, end=' ', file=out)
else:
expected = f.readlines()
f.close()
stdout.seek(0)
if hasattr(stdout, "readlines"):
actual = stdout.readlines()
else:
actual = readlines(stdout)
if opts.normalize_newlines or "_sa" in arg or arg.endswith('.xml'):
# EOL normalization makes the tests pass:
# - XML files, on Windows, have \r\n line endings. Because
# expat insists on byte streams on Python 3, we end up with
# those \r\n's going through the entire TAL engine and
# showing up in the actual output. Expected output, on the
# other hand, has just \n's, since we read the file as text.
# - Source annotation tests: when a developer converts all the
# input and output files to \r\n line endings and runs
# tests on Linux (because they're trying to debug Windows
# problems but can't be forced to use an inferior OS), we
# also have \r\n's going through the TAL engine and showing
# up both in actual and expected lists. Except for source
# annotation lines added by TAL, which always use just \n.
actual = [line.replace('\r\n', '\n') for line in actual]
if expected is not None:
expected = [line.replace('\r\n', '\n') for line in expected]
if actual == expected:
if not opts.unittesting:
print("OK", file=out)
else:
if opts.unittesting:
print('', file=out)
else:
print("not OK", file=out)
errors = 1
if not opts.quiet and expected is not None:
showdiff(expected, actual, out)
if errors:
if opts.unittesting:
return 1
else:
sys.exit(1)
def readlines(f):
L = []
while True:
line = f.readline()
if not line:
break
L.append(line)
return L
if __name__ == "__main__":
sys.exit(main(sys.argv[1:]))
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