856 lines
24 KiB
Python
Executable File
856 lines
24 KiB
Python
Executable File
#! /usr/bin/env python
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"""Regression test.
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This will find all modules whose name is "test_*" in the test
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directory, and run them. Various command line options provide
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additional facilities.
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Command line options:
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-v: verbose -- run tests in verbose mode with output to stdout
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-q: quiet -- don't print anything except if a test fails
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-g: generate -- write the output file for a test instead of comparing it
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-x: exclude -- arguments are tests to *exclude*
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-s: single -- run only a single test (see below)
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-r: random -- randomize test execution order
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-f: fromfile -- read names of tests to run from a file (see below)
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-l: findleaks -- if GC is available detect tests that leak memory
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-u: use -- specify which special resource intensive tests to run
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-h: help -- print this text and exit
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-t: threshold -- call gc.set_threshold(N)
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If non-option arguments are present, they are names for tests to run,
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unless -x is given, in which case they are names for tests not to run.
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If no test names are given, all tests are run.
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-v is incompatible with -g and does not compare test output files.
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-s means to run only a single test and exit. This is useful when
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doing memory analysis on the Python interpreter (which tend to consume
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too many resources to run the full regression test non-stop). The
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file /tmp/pynexttest is read to find the next test to run. If this
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file is missing, the first test_*.py file in testdir or on the command
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line is used. (actually tempfile.gettempdir() is used instead of
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/tmp).
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-f reads the names of tests from the file given as f's argument, one
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or more test names per line. Whitespace is ignored. Blank lines and
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lines beginning with '#' are ignored. This is especially useful for
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whittling down failures involving interactions among tests.
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-u is used to specify which special resource intensive tests to run,
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such as those requiring large file support or network connectivity.
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The argument is a comma-separated list of words indicating the
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resources to test. Currently only the following are defined:
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all - Enable all special resources.
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curses - Tests that use curses and will modify the terminal's
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state and output modes.
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largefile - It is okay to run some test that may create huge
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files. These tests can take a long time and may
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consume >2GB of disk space temporarily.
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network - It is okay to run tests that use external network
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resource, e.g. testing SSL support for sockets.
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"""
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import sys
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import os
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import getopt
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import traceback
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import random
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import StringIO
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import warnings
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from sets import Set
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# I see no other way to suppress these warnings;
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# putting them in test_grammar.py has no effect:
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warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning,
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".*test.test_grammar$")
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if sys.maxint > 0x7fffffff:
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# Also suppress them in <string>, because for 64-bit platforms,
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# that's where test_grammar.py hides them.
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warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning,
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"<string>")
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from test import test_support
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RESOURCE_NAMES = ('curses', 'largefile', 'network')
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def usage(code, msg=''):
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print __doc__
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if msg: print msg
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sys.exit(code)
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def main(tests=None, testdir=None, verbose=0, quiet=0, generate=0,
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exclude=0, single=0, randomize=0, fromfile=None, findleaks=0,
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use_resources=None):
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"""Execute a test suite.
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This also parses command-line options and modifies its behavior
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accordingly.
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tests -- a list of strings containing test names (optional)
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testdir -- the directory in which to look for tests (optional)
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Users other than the Python test suite will certainly want to
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specify testdir; if it's omitted, the directory containing the
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Python test suite is searched for.
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If the tests argument is omitted, the tests listed on the
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command-line will be used. If that's empty, too, then all *.py
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files beginning with test_ will be used.
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The other default arguments (verbose, quiet, generate, exclude,
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single, randomize, findleaks, and use_resources) allow programmers
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calling main() directly to set the values that would normally be
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set by flags on the command line.
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"""
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test_support.record_original_stdout(sys.stdout)
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try:
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opts, args = getopt.getopt(sys.argv[1:], 'hvgqxsrf:lu:t:',
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['help', 'verbose', 'quiet', 'generate',
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'exclude', 'single', 'random', 'fromfile',
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'findleaks', 'use=', 'threshold='])
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except getopt.error, msg:
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usage(2, msg)
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# Defaults
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if use_resources is None:
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use_resources = []
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for o, a in opts:
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if o in ('-h', '--help'):
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usage(0)
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elif o in ('-v', '--verbose'):
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verbose += 1
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elif o in ('-q', '--quiet'):
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quiet = 1;
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verbose = 0
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elif o in ('-g', '--generate'):
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generate = 1
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elif o in ('-x', '--exclude'):
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exclude = 1
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elif o in ('-s', '--single'):
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single = 1
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elif o in ('-r', '--randomize'):
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randomize = 1
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elif o in ('-f', '--fromfile'):
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fromfile = a
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elif o in ('-l', '--findleaks'):
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findleaks = 1
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elif o in ('-t', '--threshold'):
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import gc
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gc.set_threshold(int(a))
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elif o in ('-u', '--use'):
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u = [x.lower() for x in a.split(',')]
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for r in u:
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if r == 'all':
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use_resources = RESOURCE_NAMES
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break
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if r not in RESOURCE_NAMES:
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usage(1, 'Invalid -u/--use option: ' + a)
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if r not in use_resources:
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use_resources.append(r)
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if generate and verbose:
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usage(2, "-g and -v don't go together!")
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if single and fromfile:
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usage(2, "-s and -f don't go together!")
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good = []
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bad = []
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skipped = []
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if findleaks:
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try:
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import gc
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except ImportError:
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print 'No GC available, disabling findleaks.'
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findleaks = 0
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else:
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# Uncomment the line below to report garbage that is not
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# freeable by reference counting alone. By default only
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# garbage that is not collectable by the GC is reported.
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#gc.set_debug(gc.DEBUG_SAVEALL)
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found_garbage = []
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if single:
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from tempfile import gettempdir
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filename = os.path.join(gettempdir(), 'pynexttest')
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try:
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fp = open(filename, 'r')
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next = fp.read().strip()
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tests = [next]
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fp.close()
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except IOError:
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pass
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if fromfile:
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tests = []
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fp = open(fromfile)
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for line in fp:
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guts = line.split() # assuming no test has whitespace in its name
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if guts and not guts[0].startswith('#'):
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tests.extend(guts)
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fp.close()
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# Strip .py extensions.
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if args:
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args = map(removepy, args)
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if tests:
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tests = map(removepy, tests)
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stdtests = STDTESTS[:]
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nottests = NOTTESTS[:]
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if exclude:
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for arg in args:
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if arg in stdtests:
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stdtests.remove(arg)
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nottests[:0] = args
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args = []
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tests = tests or args or findtests(testdir, stdtests, nottests)
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if single:
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tests = tests[:1]
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if randomize:
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random.shuffle(tests)
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test_support.verbose = verbose # Tell tests to be moderately quiet
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test_support.use_resources = use_resources
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save_modules = sys.modules.keys()
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for test in tests:
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if not quiet:
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print test
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sys.stdout.flush()
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ok = runtest(test, generate, verbose, quiet, testdir)
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if ok > 0:
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good.append(test)
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elif ok == 0:
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bad.append(test)
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else:
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skipped.append(test)
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if findleaks:
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gc.collect()
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if gc.garbage:
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print "Warning: test created", len(gc.garbage),
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print "uncollectable object(s)."
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# move the uncollectable objects somewhere so we don't see
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# them again
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found_garbage.extend(gc.garbage)
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del gc.garbage[:]
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# Unload the newly imported modules (best effort finalization)
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for module in sys.modules.keys():
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if module not in save_modules and module.startswith("test."):
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test_support.unload(module)
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# The lists won't be sorted if running with -r
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good.sort()
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bad.sort()
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skipped.sort()
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if good and not quiet:
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if not bad and not skipped and len(good) > 1:
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print "All",
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print count(len(good), "test"), "OK."
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if verbose:
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print "CAUTION: stdout isn't compared in verbose mode:"
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print "a test that passes in verbose mode may fail without it."
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if bad:
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print count(len(bad), "test"), "failed:"
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printlist(bad)
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if skipped and not quiet:
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print count(len(skipped), "test"), "skipped:"
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printlist(skipped)
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e = _ExpectedSkips()
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plat = sys.platform
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if e.isvalid():
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surprise = Set(skipped) - e.getexpected()
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if surprise:
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print count(len(surprise), "skip"), \
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"unexpected on", plat + ":"
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printlist(surprise)
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else:
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print "Those skips are all expected on", plat + "."
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else:
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print "Ask someone to teach regrtest.py about which tests are"
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print "expected to get skipped on", plat + "."
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if single:
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alltests = findtests(testdir, stdtests, nottests)
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for i in range(len(alltests)):
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if tests[0] == alltests[i]:
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if i == len(alltests) - 1:
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os.unlink(filename)
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else:
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fp = open(filename, 'w')
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fp.write(alltests[i+1] + '\n')
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fp.close()
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break
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else:
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os.unlink(filename)
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sys.exit(len(bad) > 0)
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STDTESTS = [
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'test_grammar',
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'test_opcodes',
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'test_operations',
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'test_builtin',
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'test_exceptions',
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'test_types',
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]
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NOTTESTS = [
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'test_support',
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'test_b1',
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'test_b2',
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'test_future1',
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'test_future2',
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'test_future3',
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]
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def findtests(testdir=None, stdtests=STDTESTS, nottests=NOTTESTS):
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"""Return a list of all applicable test modules."""
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if not testdir: testdir = findtestdir()
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names = os.listdir(testdir)
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tests = []
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for name in names:
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if name[:5] == "test_" and name[-3:] == os.extsep+"py":
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modname = name[:-3]
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if modname not in stdtests and modname not in nottests:
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tests.append(modname)
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tests.sort()
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return stdtests + tests
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def runtest(test, generate, verbose, quiet, testdir = None):
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"""Run a single test.
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test -- the name of the test
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generate -- if true, generate output, instead of running the test
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and comparing it to a previously created output file
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verbose -- if true, print more messages
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quiet -- if true, don't print 'skipped' messages (probably redundant)
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testdir -- test directory
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"""
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test_support.unload(test)
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if not testdir: testdir = findtestdir()
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outputdir = os.path.join(testdir, "output")
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outputfile = os.path.join(outputdir, test)
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if verbose:
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cfp = None
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else:
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cfp = StringIO.StringIO()
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try:
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save_stdout = sys.stdout
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try:
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if cfp:
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sys.stdout = cfp
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print test # Output file starts with test name
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if test.startswith('test.'):
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abstest = test
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else:
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# Always import it from the test package
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abstest = 'test.' + test
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the_package = __import__(abstest, globals(), locals(), [])
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the_module = getattr(the_package, test)
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# Most tests run to completion simply as a side-effect of
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# being imported. For the benefit of tests that can't run
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# that way (like test_threaded_import), explicitly invoke
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# their test_main() function (if it exists).
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indirect_test = getattr(the_module, "test_main", None)
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if indirect_test is not None:
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indirect_test()
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finally:
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sys.stdout = save_stdout
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except (ImportError, test_support.TestSkipped), msg:
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if not quiet:
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print "test", test, "skipped --", msg
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sys.stdout.flush()
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return -1
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except KeyboardInterrupt:
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raise
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except test_support.TestFailed, msg:
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print "test", test, "failed --", msg
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sys.stdout.flush()
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return 0
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except:
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type, value = sys.exc_info()[:2]
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print "test", test, "crashed --", str(type) + ":", value
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sys.stdout.flush()
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if verbose:
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traceback.print_exc(file=sys.stdout)
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sys.stdout.flush()
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return 0
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else:
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if not cfp:
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return 1
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output = cfp.getvalue()
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if generate:
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if output == test + "\n":
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if os.path.exists(outputfile):
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# Write it since it already exists (and the contents
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# may have changed), but let the user know it isn't
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# needed:
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print "output file", outputfile, \
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"is no longer needed; consider removing it"
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else:
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# We don't need it, so don't create it.
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return 1
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fp = open(outputfile, "w")
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fp.write(output)
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fp.close()
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return 1
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if os.path.exists(outputfile):
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fp = open(outputfile, "r")
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expected = fp.read()
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fp.close()
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else:
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expected = test + "\n"
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if output == expected:
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return 1
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print "test", test, "produced unexpected output:"
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sys.stdout.flush()
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reportdiff(expected, output)
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sys.stdout.flush()
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return 0
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def reportdiff(expected, output):
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import difflib
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print "*" * 70
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a = expected.splitlines(1)
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b = output.splitlines(1)
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sm = difflib.SequenceMatcher(a=a, b=b)
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tuples = sm.get_opcodes()
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def pair(x0, x1):
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# x0:x1 are 0-based slice indices; convert to 1-based line indices.
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x0 += 1
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if x0 >= x1:
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return "line " + str(x0)
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else:
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return "lines %d-%d" % (x0, x1)
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for op, a0, a1, b0, b1 in tuples:
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if op == 'equal':
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pass
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elif op == 'delete':
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print "***", pair(a0, a1), "of expected output missing:"
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for line in a[a0:a1]:
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print "-", line,
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elif op == 'replace':
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print "*** mismatch between", pair(a0, a1), "of expected", \
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"output and", pair(b0, b1), "of actual output:"
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for line in difflib.ndiff(a[a0:a1], b[b0:b1]):
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print line,
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elif op == 'insert':
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print "***", pair(b0, b1), "of actual output doesn't appear", \
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"in expected output after line", str(a1)+":"
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for line in b[b0:b1]:
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print "+", line,
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else:
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print "get_opcodes() returned bad tuple?!?!", (op, a0, a1, b0, b1)
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print "*" * 70
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def findtestdir():
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if __name__ == '__main__':
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file = sys.argv[0]
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else:
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file = __file__
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testdir = os.path.dirname(file) or os.curdir
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return testdir
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def removepy(name):
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if name.endswith(os.extsep + "py"):
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name = name[:-3]
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return name
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def count(n, word):
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if n == 1:
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return "%d %s" % (n, word)
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else:
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return "%d %ss" % (n, word)
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def printlist(x, width=70, indent=4):
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"""Print the elements of iterable x to stdout.
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Optional arg width (default 70) is the maximum line length.
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Optional arg indent (default 4) is the number of blanks with which to
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begin each line.
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"""
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from textwrap import fill
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blanks = ' ' * indent
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print fill(' '.join(map(str, x)), width,
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initial_indent=blanks, subsequent_indent=blanks)
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# Map sys.platform to a string containing the basenames of tests
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# expected to be skipped on that platform.
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_expectations = {
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'win32':
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"""
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test_al
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test_cd
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test_cl
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test_commands
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test_crypt
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test_curses
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test_dbm
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test_dl
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test_email_codecs
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test_fcntl
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test_fork1
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test_gdbm
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test_gl
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test_grp
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test_imgfile
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test_largefile
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test_linuxaudiodev
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test_mhlib
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test_mpz
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test_nis
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test_openpty
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test_poll
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test_pty
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test_pwd
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test_resource
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test_signal
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test_socket_ssl
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test_socketserver
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test_sunaudiodev
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test_timing
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""",
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'linux2':
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"""
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test_al
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test_cd
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test_cl
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test_curses
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test_dl
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test_email_codecs
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test_gl
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test_imgfile
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|
test_largefile
|
|
test_nis
|
|
test_ntpath
|
|
test_socket_ssl
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
'mac':
|
|
"""
|
|
test_al
|
|
test_bsddb
|
|
test_cd
|
|
test_cl
|
|
test_commands
|
|
test_crypt
|
|
test_curses
|
|
test_dbm
|
|
test_dl
|
|
test_fcntl
|
|
test_fork1
|
|
test_gl
|
|
test_grp
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_locale
|
|
test_mmap
|
|
test_nis
|
|
test_ntpath
|
|
test_openpty
|
|
test_poll
|
|
test_popen2
|
|
test_pty
|
|
test_pwd
|
|
test_signal
|
|
test_socket_ssl
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_sundry
|
|
test_timing
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
'unixware7':
|
|
"""
|
|
test_al
|
|
test_bsddb
|
|
test_cd
|
|
test_cl
|
|
test_dl
|
|
test_gl
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_minidom
|
|
test_nis
|
|
test_ntpath
|
|
test_openpty
|
|
test_pyexpat
|
|
test_sax
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_sundry
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
'openunix8':
|
|
"""
|
|
test_al
|
|
test_bsddb
|
|
test_cd
|
|
test_cl
|
|
test_dl
|
|
test_gl
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_minidom
|
|
test_nis
|
|
test_ntpath
|
|
test_openpty
|
|
test_pyexpat
|
|
test_sax
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_sundry
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
'sco_sv3':
|
|
"""
|
|
test_al
|
|
test_asynchat
|
|
test_bsddb
|
|
test_cd
|
|
test_cl
|
|
test_dl
|
|
test_fork1
|
|
test_gettext
|
|
test_gl
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_locale
|
|
test_minidom
|
|
test_nis
|
|
test_ntpath
|
|
test_openpty
|
|
test_pyexpat
|
|
test_queue
|
|
test_sax
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_sundry
|
|
test_thread
|
|
test_threaded_import
|
|
test_threadedtempfile
|
|
test_threading
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
'riscos':
|
|
"""
|
|
test_al
|
|
test_asynchat
|
|
test_bsddb
|
|
test_cd
|
|
test_cl
|
|
test_commands
|
|
test_crypt
|
|
test_dbm
|
|
test_dl
|
|
test_fcntl
|
|
test_fork1
|
|
test_gdbm
|
|
test_gl
|
|
test_grp
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_locale
|
|
test_mmap
|
|
test_nis
|
|
test_ntpath
|
|
test_openpty
|
|
test_poll
|
|
test_popen2
|
|
test_pty
|
|
test_pwd
|
|
test_socket_ssl
|
|
test_socketserver
|
|
test_strop
|
|
test_sunaudiodev
|
|
test_sundry
|
|
test_thread
|
|
test_threaded_import
|
|
test_threadedtempfile
|
|
test_threading
|
|
test_timing
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
'darwin':
|
|
"""
|
|
test_al
|
|
test_cd
|
|
test_cl
|
|
test_curses
|
|
test_dl
|
|
test_gdbm
|
|
test_gl
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_minidom
|
|
test_nis
|
|
test_ntpath
|
|
test_poll
|
|
test_socket_ssl
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
'sunos5':
|
|
"""
|
|
test_al
|
|
test_bsddb
|
|
test_cd
|
|
test_cl
|
|
test_curses
|
|
test_dbm
|
|
test_email_codecs
|
|
test_gdbm
|
|
test_gl
|
|
test_gzip
|
|
test_imgfile
|
|
test_linuxaudiodev
|
|
test_mpz
|
|
test_openpty
|
|
test_socket_ssl
|
|
test_socketserver
|
|
test_winreg
|
|
test_winsound
|
|
test_zipfile
|
|
test_zlib
|
|
""",
|
|
'hp-ux11':
|
|
"""
|
|
test_al
|
|
test_bsddb
|
|
test_cd
|
|
test_cl
|
|
test_curses
|
|
test_dl
|
|
test_gdbm
|
|
test_gl
|
|
test_gzip
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_locale
|
|
test_minidom
|
|
test_nis
|
|
test_ntpath
|
|
test_openpty
|
|
test_pyexpat
|
|
test_sax
|
|
test_socket_ssl
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
test_zipfile
|
|
test_zlib
|
|
""",
|
|
'atheos':
|
|
"""
|
|
test_al
|
|
test_cd
|
|
test_cl
|
|
test_curses
|
|
test_dl
|
|
test_email_codecs
|
|
test_gdbm
|
|
test_gl
|
|
test_imgfile
|
|
test_largefile
|
|
test_linuxaudiodev
|
|
test_locale
|
|
test_mhlib
|
|
test_mmap
|
|
test_mpz
|
|
test_nis
|
|
test_poll
|
|
test_popen2
|
|
test_resource
|
|
test_socket_ssl
|
|
test_socketserver
|
|
test_sunaudiodev
|
|
test_unicode_file
|
|
test_winreg
|
|
test_winsound
|
|
""",
|
|
}
|
|
|
|
class _ExpectedSkips:
|
|
def __init__(self):
|
|
self.valid = False
|
|
if sys.platform in _expectations:
|
|
s = _expectations[sys.platform]
|
|
self.expected = Set(s.split())
|
|
self.valid = True
|
|
|
|
def isvalid(self):
|
|
"Return true iff _ExpectedSkips knows about the current platform."
|
|
return self.valid
|
|
|
|
def getexpected(self):
|
|
"""Return set of test names we expect to skip on current platform.
|
|
|
|
self.isvalid() must be true.
|
|
"""
|
|
|
|
assert self.isvalid()
|
|
return self.expected
|
|
|
|
if __name__ == '__main__':
|
|
# Remove regrtest.py's own directory from the module search path. This
|
|
# prevents relative imports from working, and relative imports will screw
|
|
# up the testing framework. E.g. if both test.test_support and
|
|
# test_support are imported, they will not contain the same globals, and
|
|
# much of the testing framework relies on the globals in the
|
|
# test.test_support module.
|
|
mydir = os.path.abspath(os.path.normpath(os.path.dirname(sys.argv[0])))
|
|
i = pathlen = len(sys.path)
|
|
while i >= 0:
|
|
i -= 1
|
|
if os.path.abspath(os.path.normpath(sys.path[i])) == mydir:
|
|
del sys.path[i]
|
|
if len(sys.path) == pathlen:
|
|
print 'Could not find %r in sys.path to remove it' % mydir
|
|
main()
|