Run json_schema_compiler unit tests via a PRESUBMIT check.

tools/json_schema_compiler/PRESUBMIT.py

+# Copyright (c) 2012 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.
+
+"""Presubmit script for changes affecting tools/json_schema_compiler/
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details about the presubmit API built into gcl.
+"""
+
+UNIT_TESTS = [ './code_test.py', './cpp_type_generator_test.py',
+               './cpp_util_test.py', './model_test.py' ]
+
+def CheckChangeOnUpload(input_api, output_api):

[M-A Ruel, 2012/03/27 00:42:05]

Idea: you could use RunUnitTestsInDirectory with a whitelist=r'.+_test\.py'.

+  return input_api.canned_checks.RunUnitTests(input_api, output_api,
+                                              UNIT_TESTS)
+
+def CheckChangeOnCommit(input_api, output_api):
+  return input_api.canned_checks.RunUnitTests(input_api, output_api,
+                                              UNIT_TESTS)