--- /dev/null
- if result[0] == FAILED:
+import faulthandler
+import importlib
+import io
+import os
+import sys
+import time
+import traceback
+import unittest
+from test import support
+from test.libregrtest.refleak import dash_R
+from test.libregrtest.save_env import saved_test_environment
+
+
+# Test result constants.
+PASSED = 1
+FAILED = 0
+ENV_CHANGED = -1
+SKIPPED = -2
+RESOURCE_DENIED = -3
+INTERRUPTED = -4
+CHILD_ERROR = -5 # error in a child process
+
+_FORMAT_TEST_RESULT = {
+ PASSED: '%s passed',
+ FAILED: '%s failed',
+ ENV_CHANGED: '%s failed (env changed)',
+ SKIPPED: '%s skipped',
+ RESOURCE_DENIED: '%s skipped (resource denied)',
+ INTERRUPTED: '%s interrupted',
+ CHILD_ERROR: '%s crashed',
+}
+
+# Minimum duration of a test to display its duration or to mention that
+# the test is running in background
+PROGRESS_MIN_TIME = 30.0 # seconds
+
+# small set of tests to determine if we have a basically functioning interpreter
+# (i.e. if any of these fail, then anything else is likely to follow)
+STDTESTS = [
+ 'test_grammar',
+ 'test_opcodes',
+ 'test_dict',
+ 'test_builtin',
+ 'test_exceptions',
+ 'test_types',
+ 'test_unittest',
+ 'test_doctest',
+ 'test_doctest2',
+ 'test_support'
+]
+
+# set of tests that we don't want to be executed when using regrtest
+NOTTESTS = set()
+
+
+def format_test_result(test_name, result):
+ fmt = _FORMAT_TEST_RESULT.get(result, "%s")
+ return fmt % test_name
+
+
+def findtests(testdir=None, stdtests=STDTESTS, nottests=NOTTESTS):
+ """Return a list of all applicable test modules."""
+ testdir = findtestdir(testdir)
+ names = os.listdir(testdir)
+ tests = []
+ others = set(stdtests) | nottests
+ for name in names:
+ mod, ext = os.path.splitext(name)
+ if mod[:5] == "test_" and ext in (".py", "") and mod not in others:
+ tests.append(mod)
+ return stdtests + sorted(tests)
+
+
+def runtest(ns, test):
+ """Run a single test.
+
+ ns -- regrtest namespace of options
+ test -- the name of the test
+
+ Returns the tuple (result, test_time), where result is one of the
+ constants:
+
+ INTERRUPTED KeyboardInterrupt when run under -j
+ RESOURCE_DENIED test skipped because resource denied
+ SKIPPED test skipped for some other reason
+ ENV_CHANGED test failed because it changed the execution environment
+ FAILED test failed
+ PASSED test passed
+ """
+
+ output_on_failure = ns.verbose3
+
+ use_timeout = (ns.timeout is not None)
+ if use_timeout:
+ faulthandler.dump_traceback_later(ns.timeout, exit=True)
+ try:
+ support.match_tests = ns.match_tests
+ if ns.failfast:
+ support.failfast = True
+ if output_on_failure:
+ support.verbose = True
+
+ # Reuse the same instance to all calls to runtest(). Some
+ # tests keep a reference to sys.stdout or sys.stderr
+ # (eg. test_argparse).
+ if runtest.stringio is None:
+ stream = io.StringIO()
+ runtest.stringio = stream
+ else:
+ stream = runtest.stringio
+ stream.seek(0)
+ stream.truncate()
+
+ orig_stdout = sys.stdout
+ orig_stderr = sys.stderr
+ try:
+ sys.stdout = stream
+ sys.stderr = stream
+ result = runtest_inner(ns, test, display_failure=False)
++ if result[0] != PASSED:
+ output = stream.getvalue()
+ orig_stderr.write(output)
+ orig_stderr.flush()
+ finally:
+ sys.stdout = orig_stdout
+ sys.stderr = orig_stderr
+ else:
+ support.verbose = ns.verbose # Tell tests to be moderately quiet
+ result = runtest_inner(ns, test, display_failure=not ns.verbose)
+ return result
+ finally:
+ if use_timeout:
+ faulthandler.cancel_dump_traceback_later()
+ cleanup_test_droppings(test, ns.verbose)
+runtest.stringio = None
+
+
+def runtest_inner(ns, test, display_failure=True):
+ support.unload(test)
+
+ test_time = 0.0
+ refleak = False # True if the test leaked references.
+ try:
+ if test.startswith('test.') or ns.testdir:
+ abstest = test
+ else:
+ # Always import it from the test package
+ abstest = 'test.' + test
+ with saved_test_environment(test, ns.verbose, ns.quiet, pgo=ns.pgo) as environment:
+ start_time = time.time()
+ the_module = importlib.import_module(abstest)
+ # If the test has a test_main, that will run the appropriate
+ # tests. If not, use normal unittest test loading.
+ test_runner = getattr(the_module, "test_main", None)
+ if test_runner is None:
+ def test_runner():
+ loader = unittest.TestLoader()
+ tests = loader.loadTestsFromModule(the_module)
+ for error in loader.errors:
+ print(error, file=sys.stderr)
+ if loader.errors:
+ raise Exception("errors while loading tests")
+ support.run_unittest(tests)
+ test_runner()
+ if ns.huntrleaks:
+ refleak = dash_R(the_module, test, test_runner, ns.huntrleaks)
+ test_time = time.time() - start_time
+ except support.ResourceDenied as msg:
+ if not ns.quiet and not ns.pgo:
+ print(test, "skipped --", msg, flush=True)
+ return RESOURCE_DENIED, test_time
+ except unittest.SkipTest as msg:
+ if not ns.quiet and not ns.pgo:
+ print(test, "skipped --", msg, flush=True)
+ return SKIPPED, test_time
+ except KeyboardInterrupt:
+ raise
+ except support.TestFailed as msg:
+ if not ns.pgo:
+ if display_failure:
+ print("test", test, "failed --", msg, file=sys.stderr,
+ flush=True)
+ else:
+ print("test", test, "failed", file=sys.stderr, flush=True)
+ return FAILED, test_time
+ except:
+ msg = traceback.format_exc()
+ if not ns.pgo:
+ print("test", test, "crashed --", msg, file=sys.stderr,
+ flush=True)
+ return FAILED, test_time
+ else:
+ if refleak:
+ return FAILED, test_time
+ if environment.changed:
+ return ENV_CHANGED, test_time
+ return PASSED, test_time
+
+
+def cleanup_test_droppings(testname, verbose):
+ import shutil
+ import stat
+ import gc
+
+ # First kill any dangling references to open files etc.
+ # This can also issue some ResourceWarnings which would otherwise get
+ # triggered during the following test run, and possibly produce failures.
+ gc.collect()
+
+ # Try to clean up junk commonly left behind. While tests shouldn't leave
+ # any files or directories behind, when a test fails that can be tedious
+ # for it to arrange. The consequences can be especially nasty on Windows,
+ # since if a test leaves a file open, it cannot be deleted by name (while
+ # there's nothing we can do about that here either, we can display the
+ # name of the offending test, which is a real help).
+ for name in (support.TESTFN,
+ "db_home",
+ ):
+ if not os.path.exists(name):
+ continue
+
+ if os.path.isdir(name):
+ kind, nuker = "directory", shutil.rmtree
+ elif os.path.isfile(name):
+ kind, nuker = "file", os.unlink
+ else:
+ raise SystemError("os.path says %r exists but is neither "
+ "directory nor file" % name)
+
+ if verbose:
+ print("%r left behind %s %r" % (testname, kind, name))
+ try:
+ # if we have chmod, fix possible permissions problems
+ # that might prevent cleanup
+ if (hasattr(os, 'chmod')):
+ os.chmod(name, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
+ nuker(name)
+ except Exception as msg:
+ print(("%r left behind %s %r and it couldn't be "
+ "removed: %s" % (testname, kind, name, msg)), file=sys.stderr)
+
+
+def findtestdir(path=None):
+ return path or os.path.dirname(os.path.dirname(__file__)) or os.curdir
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