First commit of new tools/run-tests.py

tools/testrunner/local/execution.py

Index: tools/testrunner/local/execution.py
diff --git a/tools/testrunner/local/execution.py b/tools/testrunner/local/execution.py
new file mode 100644
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+++ b/tools/testrunner/local/execution.py
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+# Copyright 2012 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+#       copyright notice, this list of conditions and the following
+#       disclaimer in the documentation and/or other materials provided
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+import multiprocessing
+import os
+import threading
+import time
+
+from . import commands
+from . import utils
+
+
+class Job(object):
+  def __init__(self, command, dep_command, test_id, timeout, verbose):
+    self.command = command
+    self.dep_command = dep_command
+    self.id = test_id
+    self.timeout = timeout
+    self.verbose = verbose
+
+
+def RunTest(job):
+  try:
+    start_time = time.time()
+    if job.dep_command is not None:
+      dep_output = commands.Execute(job.dep_command, job.verbose, job.timeout)
+      # TODO(jkummerow): We approximate the test suite specific function
+      # IsFailureOutput() by just checking the exit code here. Currently
+      # only cctests define dependencies, for which this simplification is
+      # correct.
+      if dep_output.exit_code != 0:
+        return (job.id, dep_output, time.time() - start_time)
+    output = commands.Execute(job.command, job.verbose, job.timeout)
+    return (job.id, output, time.time() - start_time)
+  except Exception, e:
+    print(">>> EXCEPTION: %s" % e)
+    return (-1, -1, 0)
+
+
+class Runner(object):
+
+  def __init__(self, suites, progress_indicator, context):
+    self.tests = [ t for s in suites for t in s.tests ]
+    self._CommonInit(len(self.tests), progress_indicator, context)
+
+  def _CommonInit(self, num_tests, progress_indicator, context):
+    self.indicator = progress_indicator
+    progress_indicator.runner = self
+    self.context = context
+    self.succeeded = 0
+    self.total = num_tests
+    self.remaining = num_tests
+    self.failed = []
+    self.crashed = 0
+    self.terminate = False
+    self.lock = threading.Lock()
+
+  def Run(self, jobs):
+    self.indicator.Starting()
+    self._RunInternal(jobs)
+    self.indicator.Done()
+    return not self.failed
+
+  def _RunInternal(self, jobs):
+    pool = multiprocessing.Pool(processes=jobs)
+    test_map = {}
+    queue = []
+    for test in self.tests:
+      assert test.id >= 0
+      test_map[test.id] = test
+      command = self.GetCommand(test)
+      timeout = self.context.timeout
+      if ("--stress-opt" in test.flags or
+          "--stress-opt" in self.context.mode_flags or
+          "--stress-opt" in self.context.extra_flags):
+        timeout *= 4
+      if test.dependency is not None:
+        dep_command = [ c.replace(test.path, test.dependency) for c in command ]
+      else:
+        dep_command = None
+      job = Job(command, dep_command, test.id, timeout, self.context.verbose)
+      queue.append(job)
+    try:
+      kChunkSize = 1
+      it = pool.imap_unordered(RunTest, queue, kChunkSize)
+      for result in it:
+        test_id = result[0]
+        if test_id < 0:
+          raise BreakNowException("User pressed Ctrl+C or IO went wrong")
+        test = test_map[test_id]
+        self.indicator.AboutToRun(test)
+        test.output = result[1]
+        test.duration = result[2]
+        if test.suite.HasUnexpectedOutput(test):
+          self.failed.append(test)
+          if test.output.HasCrashed():
+            self.crashed += 1
+        else:
+          self.succeeded += 1
+        self.remaining -= 1
+        self.indicator.HasRun(test)
+    except:
+      pool.terminate()
+      pool.join()
+      raise
+    return
+
+
+  def GetCommand(self, test):
+    d8testflag = []
+    shell = test.suite.shell()
+    if shell == "d8":
+      d8testflag = ["--test"]
+    if utils.IsWindows():
+      shell += ".exe"
+    cmd = ([self.context.command_prefix] +
+           [os.path.join(self.context.shell_dir, shell)] +
+           d8testflag +
+           test.suite.GetFlagsForTestCase(test, self.context) +
+           [self.context.extra_flags])
+    cmd = [ c for c in cmd if c != "" ]
+    return cmd
+
+
+class BreakNowException(Exception):
+  def __init__(self, value):
+    self.value = value
+  def __str__(self):
+    return repr(self.value)