#!/usr/bin/env python
-"""
-lit - LLVM Integrated Tester.
-
-See lit.pod for more information.
-"""
-
-import math, os, platform, random, re, sys, time, threading, traceback
-
-import ProgressBar
-import TestRunner
-import Util
-
-from TestingConfig import TestingConfig
-import LitConfig
-import Test
-
-# Configuration files to look for when discovering test suites. These can be
-# overridden with --config-prefix.
-#
-# FIXME: Rename to 'config.lit', 'site.lit', and 'local.lit' ?
-gConfigName = 'lit.cfg'
-gSiteConfigName = 'lit.site.cfg'
-
-kLocalConfigName = 'lit.local.cfg'
-
-class TestingProgressDisplay:
- def __init__(self, opts, numTests, progressBar=None):
- self.opts = opts
- self.numTests = numTests
- self.current = None
- self.lock = threading.Lock()
- self.progressBar = progressBar
- self.completed = 0
-
- def update(self, test):
- # Avoid locking overhead in quiet mode
- if self.opts.quiet and not test.result.isFailure:
- self.completed += 1
- return
-
- # Output lock.
- self.lock.acquire()
- try:
- self.handleUpdate(test)
- finally:
- self.lock.release()
-
- def finish(self):
- if self.progressBar:
- self.progressBar.clear()
- elif self.opts.quiet:
- pass
- elif self.opts.succinct:
- sys.stdout.write('\n')
-
- def handleUpdate(self, test):
- self.completed += 1
- if self.progressBar:
- self.progressBar.update(float(self.completed)/self.numTests,
- test.getFullName())
-
- if self.opts.succinct and not test.result.isFailure:
- return
-
- if self.progressBar:
- self.progressBar.clear()
-
- print '%s: %s (%d of %d)' % (test.result.name, test.getFullName(),
- self.completed, self.numTests)
-
- if test.result.isFailure and self.opts.showOutput:
- print "%s TEST '%s' FAILED %s" % ('*'*20, test.getFullName(),
- '*'*20)
- print test.output
- print "*" * 20
-
- sys.stdout.flush()
-
-class TestProvider:
- def __init__(self, tests, maxTime):
- self.maxTime = maxTime
- self.iter = iter(tests)
- self.lock = threading.Lock()
- self.startTime = time.time()
-
- def get(self):
- # Check if we have run out of time.
- if self.maxTime is not None:
- if time.time() - self.startTime > self.maxTime:
- return None
-
- # Otherwise take the next test.
- self.lock.acquire()
- try:
- item = self.iter.next()
- except StopIteration:
- item = None
- self.lock.release()
- return item
-
-class Tester(threading.Thread):
- def __init__(self, litConfig, provider, display):
- threading.Thread.__init__(self)
- self.litConfig = litConfig
- self.provider = provider
- self.display = display
-
- def run(self):
- while 1:
- item = self.provider.get()
- if item is None:
- break
- self.runTest(item)
-
- def runTest(self, test):
- result = None
- startTime = time.time()
- try:
- result, output = test.config.test_format.execute(test,
- self.litConfig)
- except KeyboardInterrupt:
- # This is a sad hack. Unfortunately subprocess goes
- # bonkers with ctrl-c and we start forking merrily.
- print '\nCtrl-C detected, goodbye.'
- os.kill(0,9)
- except:
- if self.litConfig.debug:
- raise
- result = Test.UNRESOLVED
- output = 'Exception during script execution:\n'
- output += traceback.format_exc()
- output += '\n'
- elapsed = time.time() - startTime
-
- test.setResult(result, output, elapsed)
- self.display.update(test)
-
-def dirContainsTestSuite(path):
- cfgpath = os.path.join(path, gSiteConfigName)
- if os.path.exists(cfgpath):
- return cfgpath
- cfgpath = os.path.join(path, gConfigName)
- if os.path.exists(cfgpath):
- return cfgpath
-
-def getTestSuite(item, litConfig, cache):
- """getTestSuite(item, litConfig, cache) -> (suite, relative_path)
-
- Find the test suite containing @arg item.
-
- @retval (None, ...) - Indicates no test suite contains @arg item.
- @retval (suite, relative_path) - The suite that @arg item is in, and its
- relative path inside that suite.
- """
- def search1(path):
- # Check for a site config or a lit config.
- cfgpath = dirContainsTestSuite(path)
-
- # If we didn't find a config file, keep looking.
- if not cfgpath:
- parent,base = os.path.split(path)
- if parent == path:
- return (None, ())
-
- ts, relative = search(parent)
- return (ts, relative + (base,))
-
- # We found a config file, load it.
- if litConfig.debug:
- litConfig.note('loading suite config %r' % cfgpath)
-
- cfg = TestingConfig.frompath(cfgpath, None, litConfig, mustExist = True)
- source_root = os.path.realpath(cfg.test_source_root or path)
- exec_root = os.path.realpath(cfg.test_exec_root or path)
- return Test.TestSuite(cfg.name, source_root, exec_root, cfg), ()
-
- def search(path):
- # Check for an already instantiated test suite.
- res = cache.get(path)
- if res is None:
- cache[path] = res = search1(path)
- return res
-
- # Canonicalize the path.
- item = os.path.realpath(item)
-
- # Skip files and virtual components.
- components = []
- while not os.path.isdir(item):
- parent,base = os.path.split(item)
- if parent == item:
- return (None, ())
- components.append(base)
- item = parent
- components.reverse()
-
- ts, relative = search(item)
- return ts, tuple(relative + tuple(components))
-
-def getLocalConfig(ts, path_in_suite, litConfig, cache):
- def search1(path_in_suite):
- # Get the parent config.
- if not path_in_suite:
- parent = ts.config
- else:
- parent = search(path_in_suite[:-1])
-
- # Load the local configuration.
- source_path = ts.getSourcePath(path_in_suite)
- cfgpath = os.path.join(source_path, kLocalConfigName)
- if litConfig.debug:
- litConfig.note('loading local config %r' % cfgpath)
- return TestingConfig.frompath(cfgpath, parent, litConfig,
- mustExist = False,
- config = parent.clone(cfgpath))
-
- def search(path_in_suite):
- key = (ts, path_in_suite)
- res = cache.get(key)
- if res is None:
- cache[key] = res = search1(path_in_suite)
- return res
-
- return search(path_in_suite)
-
-def getTests(path, litConfig, testSuiteCache, localConfigCache):
- # Find the test suite for this input and its relative path.
- ts,path_in_suite = getTestSuite(path, litConfig, testSuiteCache)
- if ts is None:
- litConfig.warning('unable to find test suite for %r' % path)
- return ()
-
- if litConfig.debug:
- litConfig.note('resolved input %r to %r::%r' % (path, ts.name,
- path_in_suite))
-
- return getTestsInSuite(ts, path_in_suite, litConfig,
- testSuiteCache, localConfigCache)
-
-def getTestsInSuite(ts, path_in_suite, litConfig,
- testSuiteCache, localConfigCache):
- # Check that the source path exists (errors here are reported by the
- # caller).
- source_path = ts.getSourcePath(path_in_suite)
- if not os.path.exists(source_path):
- return
-
- # Check if the user named a test directly.
- if not os.path.isdir(source_path):
- lc = getLocalConfig(ts, path_in_suite[:-1], litConfig, localConfigCache)
- yield Test.Test(ts, path_in_suite, lc)
- return
-
- # Otherwise we have a directory to search for tests, start by getting the
- # local configuration.
- lc = getLocalConfig(ts, path_in_suite, litConfig, localConfigCache)
-
- # Search for tests.
- for res in lc.test_format.getTestsInDirectory(ts, path_in_suite,
- litConfig, lc):
- yield res
-
- # Search subdirectories.
- for filename in os.listdir(source_path):
- # FIXME: This doesn't belong here?
- if filename in ('Output', '.svn') or filename in lc.excludes:
- continue
-
- # Ignore non-directories.
- file_sourcepath = os.path.join(source_path, filename)
- if not os.path.isdir(file_sourcepath):
- continue
-
- # Check for nested test suites, first in the execpath in case there is a
- # site configuration and then in the source path.
- file_execpath = ts.getExecPath(path_in_suite + (filename,))
- if dirContainsTestSuite(file_execpath):
- subiter = getTests(file_execpath, litConfig,
- testSuiteCache, localConfigCache)
- elif dirContainsTestSuite(file_sourcepath):
- subiter = getTests(file_sourcepath, litConfig,
- testSuiteCache, localConfigCache)
- else:
- # Otherwise, continue loading from inside this test suite.
- subiter = getTestsInSuite(ts, path_in_suite + (filename,),
- litConfig, testSuiteCache,
- localConfigCache)
-
- for res in subiter:
- yield res
-
-def runTests(numThreads, litConfig, provider, display):
- # If only using one testing thread, don't use threads at all; this lets us
- # profile, among other things.
- if numThreads == 1:
- t = Tester(litConfig, provider, display)
- t.run()
- return
-
- # Otherwise spin up the testing threads and wait for them to finish.
- testers = [Tester(litConfig, provider, display)
- for i in range(numThreads)]
- for t in testers:
- t.start()
- try:
- for t in testers:
- t.join()
- except KeyboardInterrupt:
- sys.exit(2)
-
-def main():
- global options
- from optparse import OptionParser, OptionGroup
- parser = OptionParser("usage: %prog [options] {file-or-path}")
-
- parser.add_option("-j", "--threads", dest="numThreads", metavar="N",
- help="Number of testing threads",
- type=int, action="store", default=None)
- parser.add_option("", "--config-prefix", dest="configPrefix",
- metavar="NAME", help="Prefix for 'lit' config files",
- action="store", default=None)
-
- group = OptionGroup(parser, "Output Format")
- # FIXME: I find these names very confusing, although I like the
- # functionality.
- group.add_option("-q", "--quiet", dest="quiet",
- help="Suppress no error output",
- action="store_true", default=False)
- group.add_option("-s", "--succinct", dest="succinct",
- help="Reduce amount of output",
- action="store_true", default=False)
- group.add_option("-v", "--verbose", dest="showOutput",
- help="Show all test output",
- action="store_true", default=False)
- group.add_option("", "--no-progress-bar", dest="useProgressBar",
- help="Do not use curses based progress bar",
- action="store_false", default=True)
- parser.add_option_group(group)
-
- group = OptionGroup(parser, "Test Execution")
- group.add_option("", "--path", dest="path",
- help="Additional paths to add to testing environment",
- action="append", type=str, default=[])
- group.add_option("", "--vg", dest="useValgrind",
- help="Run tests under valgrind",
- action="store_true", default=False)
- group.add_option("", "--vg-arg", dest="valgrindArgs", metavar="ARG",
- help="Specify an extra argument for valgrind",
- type=str, action="append", default=[])
- group.add_option("", "--time-tests", dest="timeTests",
- help="Track elapsed wall time for each test",
- action="store_true", default=False)
- group.add_option("", "--no-execute", dest="noExecute",
- help="Don't execute any tests (assume PASS)",
- action="store_true", default=False)
- parser.add_option_group(group)
-
- group = OptionGroup(parser, "Test Selection")
- group.add_option("", "--max-tests", dest="maxTests", metavar="N",
- help="Maximum number of tests to run",
- action="store", type=int, default=None)
- group.add_option("", "--max-time", dest="maxTime", metavar="N",
- help="Maximum time to spend testing (in seconds)",
- action="store", type=float, default=None)
- group.add_option("", "--shuffle", dest="shuffle",
- help="Run tests in random order",
- action="store_true", default=False)
- parser.add_option_group(group)
-
- group = OptionGroup(parser, "Debug and Experimental Options")
- group.add_option("", "--debug", dest="debug",
- help="Enable debugging (for 'lit' development)",
- action="store_true", default=False)
- group.add_option("", "--show-suites", dest="showSuites",
- help="Show discovered test suites",
- action="store_true", default=False)
- group.add_option("", "--no-tcl-as-sh", dest="useTclAsSh",
- help="Don't run Tcl scripts using 'sh'",
- action="store_false", default=True)
- parser.add_option_group(group)
-
- (opts, args) = parser.parse_args()
-
- if not args:
- parser.error('No inputs specified')
-
- if opts.configPrefix is not None:
- global gConfigName, gSiteConfigName
- gConfigName = '%s.cfg' % opts.configPrefix
- gSiteConfigName = '%s.site.cfg' % opts.configPrefix
-
- if opts.numThreads is None:
- opts.numThreads = Util.detectCPUs()
-
- inputs = args
-
- # Create the global config object.
- litConfig = LitConfig.LitConfig(progname = os.path.basename(sys.argv[0]),
- path = opts.path,
- quiet = opts.quiet,
- useValgrind = opts.useValgrind,
- valgrindArgs = opts.valgrindArgs,
- useTclAsSh = opts.useTclAsSh,
- noExecute = opts.noExecute,
- debug = opts.debug,
- isWindows = (platform.system()=='Windows'))
-
- # Load the tests from the inputs.
- tests = []
- testSuiteCache = {}
- localConfigCache = {}
- for input in inputs:
- prev = len(tests)
- tests.extend(getTests(input, litConfig,
- testSuiteCache, localConfigCache))
- if prev == len(tests):
- litConfig.warning('input %r contained no tests' % input)
-
- # If there were any errors during test discovery, exit now.
- if litConfig.numErrors:
- print >>sys.stderr, '%d errors, exiting.' % litConfig.numErrors
- sys.exit(2)
-
- if opts.showSuites:
- suitesAndTests = dict([(ts,[])
- for ts,_ in testSuiteCache.values()
- if ts])
- for t in tests:
- suitesAndTests[t.suite].append(t)
-
- print '-- Test Suites --'
- suitesAndTests = suitesAndTests.items()
- suitesAndTests.sort(key = lambda (ts,_): ts.name)
- for ts,tests in suitesAndTests:
- print ' %s - %d tests' %(ts.name, len(tests))
- print ' Source Root: %s' % ts.source_root
- print ' Exec Root : %s' % ts.exec_root
-
- # Select and order the tests.
- numTotalTests = len(tests)
- if opts.shuffle:
- random.shuffle(tests)
- else:
- tests.sort(key = lambda t: t.getFullName())
- if opts.maxTests is not None:
- tests = tests[:opts.maxTests]
-
- extra = ''
- if len(tests) != numTotalTests:
- extra = ' of %d' % numTotalTests
- header = '-- Testing: %d%s tests, %d threads --'%(len(tests),extra,
- opts.numThreads)
-
- progressBar = None
- if not opts.quiet:
- if opts.succinct and opts.useProgressBar:
- try:
- tc = ProgressBar.TerminalController()
- progressBar = ProgressBar.ProgressBar(tc, header)
- except ValueError:
- print header
- progressBar = ProgressBar.SimpleProgressBar('Testing: ')
- else:
- print header
-
- # Don't create more threads than tests.
- opts.numThreads = min(len(tests), opts.numThreads)
-
- startTime = time.time()
- display = TestingProgressDisplay(opts, len(tests), progressBar)
- provider = TestProvider(tests, opts.maxTime)
- runTests(opts.numThreads, litConfig, provider, display)
- display.finish()
-
- if not opts.quiet:
- print 'Testing Time: %.2fs'%(time.time() - startTime)
-
- # Update results for any tests which weren't run.
- for t in tests:
- if t.result is None:
- t.setResult(Test.UNRESOLVED, '', 0.0)
-
- # List test results organized by kind.
- hasFailures = False
- byCode = {}
- for t in tests:
- if t.result not in byCode:
- byCode[t.result] = []
- byCode[t.result].append(t)
- if t.result.isFailure:
- hasFailures = True
-
- # FIXME: Show unresolved and (optionally) unsupported tests.
- for title,code in (('Unexpected Passing Tests', Test.XPASS),
- ('Failing Tests', Test.FAIL)):
- elts = byCode.get(code)
- if not elts:
- continue
- print '*'*20
- print '%s (%d):' % (title, len(elts))
- for t in elts:
- print ' %s' % t.getFullName()
- print
-
- if opts.timeTests:
- byTime = list(tests)
- byTime.sort(key = lambda t: t.elapsed)
- if byTime:
- Util.printHistogram([(t.getFullName(), t.elapsed) for t in byTime],
- title='Tests')
-
- for name,code in (('Expected Passes ', Test.PASS),
- ('Expected Failures ', Test.XFAIL),
- ('Unsupported Tests ', Test.UNSUPPORTED),
- ('Unresolved Tests ', Test.UNRESOLVED),
- ('Unexpected Passes ', Test.XPASS),
- ('Unexpected Failures', Test.FAIL),):
- if opts.quiet and not code.isFailure:
- continue
- N = len(byCode.get(code,[]))
- if N:
- print ' %s: %d' % (name,N)
-
- # If we encountered any additional errors, exit abnormally.
- if litConfig.numErrors:
- print >>sys.stderr, '\n%d error(s), exiting.' % litConfig.numErrors
- sys.exit(2)
-
- # Warn about warnings.
- if litConfig.numWarnings:
- print >>sys.stderr, '\n%d warning(s) in tests.' % litConfig.numWarnings
-
- if hasFailures:
- sys.exit(1)
- sys.exit(0)
-
if __name__=='__main__':
- # Bump the GIL check interval, its more important to get any one thread to a
- # blocking operation (hopefully exec) than to try and unblock other threads.
- import sys
- sys.setcheckinterval(1000)
- main()
+ import lit
+ lit.main()
projects / oota-llvm.git / blobdiff