1 files changed, 68 insertions, 0 deletions
diff --git a/tensorflow/python/platform/default/_googletest.py b/tensorflow/python/platform/default/_googletest.py
new file mode 100644
index 0000000000..d2686565a0
--- /dev/null
+++ b/tensorflow/python/platform/default/_googletest.py
@@ -0,0 +1,68 @@
+"""Imports unittest as a replacement for testing.pybase.googletest."""
+import inspect
+import itertools
+import os
+import tempfile
+
+# pylint: disable=wildcard-import
+from unittest import *
+
+
+unittest_main = main
+
+
+# pylint: disable=invalid-name
+# pylint: disable=undefined-variable
+def main(*args, **kwargs):
+  """Delegate to unittest.main after redefining testLoader."""
+  if 'TEST_SHARD_STATUS_FILE' in os.environ:
+    try:
+      f = None
+      try:
+        f = open(os.environ['TEST_SHARD_STATUS_FILE'], 'w')
+        f.write('')
+      except IOError:
+        sys.stderr.write('Error opening TEST_SHARD_STATUS_FILE (%s). Exiting.'
+                         % os.environ['TEST_SHARD_STATUS_FILE'])
+        sys.exit(1)
+    finally:
+      if f is not None: f.close()
+
+  if ('TEST_TOTAL_SHARDS' not in os.environ or
+      'TEST_SHARD_INDEX' not in os.environ):
+    return unittest_main(*args, **kwargs)
+
+  total_shards = int(os.environ['TEST_TOTAL_SHARDS'])
+  shard_index = int(os.environ['TEST_SHARD_INDEX'])
+  base_loader = TestLoader()
+
+  delegate_get_names = base_loader.getTestCaseNames
+  bucket_iterator = itertools.cycle(range(total_shards))
+
+  def getShardedTestCaseNames(testCaseClass):
+    filtered_names = []
+    for testcase in sorted(delegate_get_names(testCaseClass)):
+      bucket = bucket_iterator.next()
+      if bucket == shard_index:
+        filtered_names.append(testcase)
+    return filtered_names
+
+  # Override getTestCaseNames
+  base_loader.getTestCaseNames = getShardedTestCaseNames
+
+  kwargs['testLoader'] = base_loader
+  unittest_main(*args, **kwargs)
+
+
+def GetTempDir():
+  first_frame = inspect.stack()[-1][0]
+  temp_dir = os.path.join(
+      tempfile.gettempdir(), os.path.basename(inspect.getfile(first_frame)))
+  temp_dir = temp_dir.rstrip('.py')
+  if not os.path.isdir(temp_dir):
+    os.mkdir(temp_dir, 0755)
+  return temp_dir
+
+
+def StatefulSessionAvailable():
+  return False