Remove python bindings unittests from the build.

mojo/tools/pylib/mojo_python_tests_runner.py

+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import argparse
+import json
+import os
+import sys
+import time
+import unittest
+
+
+class MojoPythonTestRunner(object):
+  """Helper class to run python tests on the bots."""
+
+  def __init__(self, test_dir):
+    self._test_dir = test_dir
+
+  def run(self):
+    parser = argparse.ArgumentParser()
+    parser.usage = 'run_mojo_python_tests.py [options] [tests...]'
+    parser.add_argument('-v', '--verbose', action='count', default=0)
+    parser.add_argument('--metadata', action='append', default=[],
+                        help=('optional key=value metadata that will be stored '
+                              'in the results files (can be used for revision '
+                              'numbers, etc.)'))
+    parser.add_argument('--write-full-results-to', metavar='FILENAME',
+                        action='store',
+                        help='path to write the list of full results to.')
+    parser.add_argument('tests', nargs='*')
+
+    self.add_custom_commandline_options(parser)
+    args = parser.parse_args()
+    self.apply_customization(args)
+
+    bad_metadata = False
+    for val in args.metadata:
+      if '=' not in val:
+        print >> sys.stderr, ('Error: malformed metadata "%s"' % val)
+        bad_metadata = True
+    if bad_metadata:
+      print >> sys.stderr
+      parser.print_help()
+      return 2
+
+    chromium_src_dir = os.path.join(os.path.dirname(__file__),
+                                    os.pardir,
+                                    os.pardir,
+                                    os.pardir)
+
+    loader = unittest.loader.TestLoader()
+    print "Running Python unit tests under %s..." % self._test_dir
+
+    pylib_dir = os.path.join(chromium_src_dir, self._test_dir)
+    if args.tests:
+      if pylib_dir not in sys.path:
+        sys.path.append(pylib_dir)
+      suite = unittest.TestSuite()
+      for test_name in args.tests:
+        suite.addTests(loader.loadTestsFromName(test_name))
+    else:
+      suite = loader.discover(pylib_dir, pattern='*_unittest.py')
+
+    runner = unittest.runner.TextTestRunner(verbosity=(args.verbose + 1))
+    result = runner.run(suite)
+
+    full_results = _FullResults(suite, result, args.metadata)
+    if args.write_full_results_to:
+      with open(args.write_full_results_to, 'w') as fp:
+        json.dump(full_results, fp, indent=2)
+        fp.write("\n")
+
+    return 0 if result.wasSuccessful() else 1
+
+  def add_custom_commandline_options(self, parser):
+    """Allow to add custom option to the runner script."""
+    pass
+
+  def apply_customization(self, args):
+    """Allow to apply any customization to the runner."""
+    pass
+
+
+TEST_SEPARATOR = '.'
+
+
+def _FullResults(suite, result, metadata):
+  """Convert the unittest results to the Chromium JSON test result format.
+
+  This matches run-webkit-tests (the layout tests) and the flakiness dashboard.
+  """
+
+  full_results = {}
+  full_results['interrupted'] = False
+  full_results['path_delimiter'] = TEST_SEPARATOR
+  full_results['version'] = 3
+  full_results['seconds_since_epoch'] = time.time()
+  for md in metadata:
+    key, val = md.split('=', 1)
+    full_results[key] = val
+
+  all_test_names = _AllTestNames(suite)
+  failed_test_names = _FailedTestNames(result)
+
+  full_results['num_failures_by_type'] = {
+      'FAIL': len(failed_test_names),
+      'PASS': len(all_test_names) - len(failed_test_names),
+  }
+
+  full_results['tests'] = {}
+
+  for test_name in all_test_names:
+    value = {}
+    value['expected'] = 'PASS'
+    if test_name in failed_test_names:
+      value['actual'] = 'FAIL'
+      value['is_unexpected'] = True
+    else:
+      value['actual'] = 'PASS'
+    _AddPathToTrie(full_results['tests'], test_name, value)
+
+  return full_results
+
+
+def _AllTestNames(suite):
+  test_names = []
+  # _tests is protected  pylint: disable=W0212
+  for test in suite._tests:
+    if isinstance(test, unittest.suite.TestSuite):
+      test_names.extend(_AllTestNames(test))
+    else:
+      test_names.append(test.id())
+  return test_names
+
+
+def _FailedTestNames(result):
+  return set(test.id() for test, _ in result.failures + result.errors)
+
+
+def _AddPathToTrie(trie, path, value):
+  if TEST_SEPARATOR not in path:
+    trie[path] = value
+    return
+  directory, rest = path.split(TEST_SEPARATOR, 1)
+  if directory not in trie:
+    trie[directory] = {}
+  _AddPathToTrie(trie[directory], rest, value)