Add local-check test

Add new test file, and local-check option to tox.ini, so the local check
is only used inside of this repo

Fixes bug 1186415

Change-Id: If2e0e40a5fa8df02a7b53eeb567efd7dc5d0eeed

hacking/tests/test_local.py

@@ -0,0 +1,36 @@
+# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from flake8 import engine
+import pep8
+
+import hacking.tests
+
+
+def check(physical_line):
+    """Test check to make sure local-checks are working."""
+    if physical_line.strip() == "#this-is-the-test-phrase":
+        return (0, "L100: Found local-check test case")
+
+
+class HackingTestCase(hacking.tests.TestCase):
+    def test_local_check(self):
+        flake8_style = engine.get_style_guide(parse_argv=False, ignore='F')
+        report = pep8.BaseReport(flake8_style.options)
+        line = ["#this-is-the-test-phrase"]
+        checker = pep8.Checker(lines=line, options=flake8_style.options,
+                               report=report)
+        checker.check_all()
+        self.assertIn("L100", report.counters)

tox.ini

@@ -33,3 +33,6 @@ commands = {posargs}
 [flake8]
 exclude = .venv,.tox,dist,doc,*.egg,build
 show-source = true
+
+[hacking]
+local-check = hacking.tests.test_local.check