diff options
| -rwxr-xr-x | Lib/test/regrtest.py | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py index 9f480a3..3be9f6d 100755 --- a/Lib/test/regrtest.py +++ b/Lib/test/regrtest.py @@ -31,6 +31,10 @@ If non-option arguments are present, they are names for tests to run, unless -x is given, in which case they are names for tests not to run. If no test names are given, all tests are run. +-r randomizes test execution order. You can use --randseed=int to provide a +int seed value for the randomizer; this is useful for reproducing troublesome +test orders. + -T turns on code coverage tracing with the trace module. -D specifies the directory where coverage files are put. @@ -183,7 +187,8 @@ def usage(code, msg=''): def main(tests=None, testdir=None, verbose=0, quiet=False, exclude=False, single=False, randomize=False, fromfile=None, findleaks=False, use_resources=None, trace=False, coverdir='coverage', - runleaks=False, huntrleaks=False, verbose2=False, print_slow=False): + runleaks=False, huntrleaks=False, verbose2=False, print_slow=False, + random_seed=None): """Execute a test suite. This also parses command-line options and modifies its behavior @@ -201,8 +206,8 @@ def main(tests=None, testdir=None, verbose=0, quiet=False, files beginning with test_ will be used. The other default arguments (verbose, quiet, exclude, - single, randomize, findleaks, use_resources, trace, coverdir, and - print_slow) allow programmers calling main() directly to set the + single, randomize, findleaks, use_resources, trace, coverdir, print_slow and + random_seed) allow programmers calling main() directly to set the values that would normally be set by flags on the command line. """ @@ -214,11 +219,14 @@ def main(tests=None, testdir=None, verbose=0, quiet=False, 'findleaks', 'use=', 'threshold=', 'trace', 'coverdir=', 'nocoverdir', 'runleaks', 'huntrleaks=', 'verbose2', 'memlimit=', + 'randseed=' ]) except getopt.error, msg: usage(2, msg) # Defaults + if random_seed is None: + random_seed = random.randrange(10000000) if use_resources is None: use_resources = [] for o, a in opts: @@ -239,6 +247,8 @@ def main(tests=None, testdir=None, verbose=0, quiet=False, print_slow = True elif o in ('-r', '--randomize'): randomize = True + elif o == '--randseed': + random_seed = int(a) elif o in ('-f', '--fromfile'): fromfile = a elif o in ('-l', '--findleaks'): @@ -347,6 +357,8 @@ def main(tests=None, testdir=None, verbose=0, quiet=False, if single: tests = tests[:1] if randomize: + random.seed(random_seed) + print "Using random seed", random_seed random.shuffle(tests) if trace: import trace |