1 files changed, 30 insertions, 0 deletions
diff --git a/chromium/third_party/catapult/tracing/tracing_build/vulcanize_trace_viewer_unittest.py b/chromium/third_party/catapult/tracing/tracing_build/vulcanize_trace_viewer_unittest.py
new file mode 100644
index 00000000000..9d57ed06b96
--- /dev/null
+++ b/chromium/third_party/catapult/tracing/tracing_build/vulcanize_trace_viewer_unittest.py
@@ -0,0 +1,30 @@
+# Copyright (c) 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 codecs
+import os
+import sys
+import unittest
+import tempfile
+
+if sys.version_info < (3,):
+  from tracing_build import vulcanize_trace_viewer
+
+
+@unittest.skipIf(sys.version_info >= (3,),
+                 'py_vulcanize is not ported to python3')
+class Trace2HTMLTests(unittest.TestCase):
+
+  def testWriteHTMLForTracesToFile(self):
+    try:
+      # Note: We can't use "with" when working with tempfile.NamedTemporaryFile
+      # as that does not work on Windows. We use the longer, more clunky version
+      # instead. See https://bugs.python.org/issue14243 for detials.
+      raw_tmpfile = tempfile.NamedTemporaryFile(
+          mode='w', suffix='.html', delete=False)
+      raw_tmpfile.close()
+      with codecs.open(raw_tmpfile.name, 'w', encoding='utf-8') as tmpfile:
+        vulcanize_trace_viewer.WriteTraceViewer(tmpfile)
+    finally:
+      os.remove(raw_tmpfile.name)