Revert of Switch telemetry over to use typ to run the unit tests.

tools/telemetry/telemetry/unittest/json_results.py

Index: tools/telemetry/telemetry/unittest/json_results.py
diff --git a/tools/telemetry/telemetry/unittest/json_results.py b/tools/telemetry/telemetry/unittest/json_results.py
new file mode 100644
index 0000000000000000000000000000000000000000..256e5c93efecd3d9773c6ce337a606abe3bb0357
--- /dev/null
+++ b/tools/telemetry/telemetry/unittest/json_results.py
@@ -0,0 +1,247 @@
+# 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 functools
+import json
+import re
+import time
+import unittest
+import urllib2
+
+
+# TODO(dpranke): This code is largely cloned from, and redundant with,
+# src/mojo/tools/run_mojo_python_tests.py, and also duplicates logic
+# in test-webkitpy and run-webkit-tests. We should consolidate the
+# python TestResult parsing/converting/uploading code as much as possible.
+
+
+def AddOptions(parser):
+  parser.add_option('--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_option('--write-full-results-to', metavar='FILENAME',
+                    action='store',
+                    help='The path to write the list of full results to.')
+  parser.add_option('--builder-name',
+                    help='The name of the builder as shown on the waterfall.')
+  parser.add_option('--master-name',
+                    help='The name of the buildbot master.')
+  parser.add_option("--test-results-server", default="",
+                    help=('If specified, upload full_results.json file to '
+                          'this server.'))
+  parser.add_option('--test-type',
+                    help=('Name of test type / step on the waterfall '
+                         '(e.g., "telemetry_unittests").'))
+
+
+def ValidateArgs(parser, args):
+  for val in args.metadata:
+    if '=' not in val:
+      parser.error('Error: malformed metadata "%s"' % val)
+
+  if (args.test_results_server and
+      (not args.builder_name or not args.master_name or not args.test_type)):
+    parser.error('Error: --builder-name, --master-name, and --test-type '
+                 'must be specified along with --test-result-server.')
+
+
+def WriteFullResultsIfNecessary(args, full_results):
+  if not args.write_full_results_to:
+    return
+
+  with open(args.write_full_results_to, 'w') as fp:
+    json.dump(full_results, fp, indent=2)
+    fp.write("\n")
+
+
+def UploadFullResultsIfNecessary(args, full_results):
+  if not args.test_results_server:
+    return False, ''
+
+  url = 'http://%s/testfile/upload' % args.test_results_server
+  attrs = [('builder', args.builder_name),
+           ('master', args.master_name),
+           ('testtype', args.test_type)]
+  content_type, data = _EncodeMultiPartFormData(attrs,  full_results)
+  return _UploadData(url, data, content_type)
+
+
+TEST_SEPARATOR = '.'
+
+
+def FullResults(args, suite, results):
+  """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()
+  full_results['builder_name'] = args.builder_name or ''
+  for md in args.metadata:
+    key, val = md.split('=', 1)
+    full_results[key] = val
+
+  all_test_names = AllTestNames(suite)
+  sets_of_passing_test_names = map(PassingTestNames, results)
+  sets_of_failing_test_names = map(functools.partial(FailedTestNames, suite),
+                                   results)
+
+  # TODO(crbug.com/405379): This handles tests that are skipped via the
+  # unittest skip decorators (like skipUnless). The tests that are skipped via
+  # telemetry's decorators package are not included in the test suite at all so
+  # we need those to be passed in in order to include them.
+  skipped_tests = (set(all_test_names) - sets_of_passing_test_names[0]
+                                       - sets_of_failing_test_names[0])
+
+  num_tests = len(all_test_names)
+  num_failures = NumFailuresAfterRetries(suite, results)
+  num_skips = len(skipped_tests)
+  num_passes = num_tests - num_failures - num_skips
+  full_results['num_failures_by_type'] = {
+      'FAIL': num_failures,
+      'PASS': num_passes,
+      'SKIP': num_skips,
+  }
+
+  full_results['tests'] = {}
+
+  for test_name in all_test_names:
+    if test_name in skipped_tests:
+      value = {
+          'expected': 'SKIP',
+          'actual': 'SKIP',
+      }
+    else:
+      value = {
+          'expected': 'PASS',
+          'actual': ActualResultsForTest(test_name,
+                                         sets_of_failing_test_names,
+                                         sets_of_passing_test_names),
+      }
+      if value['actual'].endswith('FAIL'):
+        value['is_unexpected'] = True
+    _AddPathToTrie(full_results['tests'], test_name, value)
+
+  return full_results
+
+
+def ActualResultsForTest(test_name, sets_of_failing_test_names,
+                         sets_of_passing_test_names):
+  actuals = []
+  for retry_num in range(len(sets_of_failing_test_names)):
+    if test_name in sets_of_failing_test_names[retry_num]:
+      actuals.append('FAIL')
+    elif test_name in sets_of_passing_test_names[retry_num]:
+      assert ((retry_num == 0) or
+              (test_name in sets_of_failing_test_names[retry_num - 1])), (
+              'We should not have run a test that did not fail '
+              'on the previous run.')
+      actuals.append('PASS')
+
+  assert actuals, 'We did not find any result data for %s.' % test_name
+  return ' '.join(actuals)
+
+
+def ExitCodeFromFullResults(full_results):
+  return 1 if full_results['num_failures_by_type']['FAIL'] else 0
+
+
+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 NumFailuresAfterRetries(suite, results):
+  return len(FailedTestNames(suite, results[-1]))
+
+
+def FailedTestNames(suite, result):
+  failed_test_names = set()
+  for test, error in result.failures + result.errors:
+    if isinstance(test, unittest.TestCase):
+      failed_test_names.add(test.id())
+    elif isinstance(test, unittest.suite._ErrorHolder):  # pylint: disable=W0212
+      # If there's an error in setUpClass or setUpModule, unittest gives us an
+      # _ErrorHolder object. We can parse the object's id for the class or
+      # module that failed, then find all tests in that class or module.
+      match = re.match('setUp[a-zA-Z]+ \\((.+)\\)', test.id())
+      assert match, "Don't know how to retry after this error:\n%s" % error
+      module_or_class = match.groups()[0]
+      failed_test_names |= _FindChildren(module_or_class, AllTestNames(suite))
+    else:
+      assert False, 'Unknown test type: %s' % test.__class__
+  return failed_test_names
+
+
+def _FindChildren(parent, potential_children):
+  children = set()
+  parent_name_parts = parent.split('.')
+  for potential_child in potential_children:
+    child_name_parts = potential_child.split('.')
+    if parent_name_parts == child_name_parts[:len(parent_name_parts)]:
+      children.add(potential_child)
+  return children
+
+
+def PassingTestNames(result):
+  return set(test.id() for test in result.successes)
+
+
+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)
+
+
+def _EncodeMultiPartFormData(attrs, full_results):
+  # Cloned from webkitpy/common/net/file_uploader.py
+  BOUNDARY = '-M-A-G-I-C---B-O-U-N-D-A-R-Y-'
+  CRLF = '\r\n'
+  lines = []
+
+  for key, value in attrs:
+    lines.append('--' + BOUNDARY)
+    lines.append('Content-Disposition: form-data; name="%s"' % key)
+    lines.append('')
+    lines.append(value)
+
+  lines.append('--' + BOUNDARY)
+  lines.append('Content-Disposition: form-data; name="file"; '
+               'filename="full_results.json"')
+  lines.append('Content-Type: application/json')
+  lines.append('')
+  lines.append(json.dumps(full_results))
+
+  lines.append('--' + BOUNDARY + '--')
+  lines.append('')
+  body = CRLF.join(lines)
+  content_type = 'multipart/form-data; boundary=%s' % BOUNDARY
+  return content_type, body
+
+
+def _UploadData(url, data, content_type):
+  request = urllib2.Request(url, data, {'Content-Type': content_type})
+  try:
+    response = urllib2.urlopen(request)
+    if response.code == 200:
+      return False, ''
+    return True, ('Uploading the JSON results failed with %d: "%s"' %
+                  (response.code, response.read()))
+  except Exception as e:
+    return True, 'Uploading the JSON results raised "%s"\n' % str(e)