Add name-tests-test hook

pre_commit_hooks/tests_should_end_in_test.py

@@ -0,0 +1,24 @@
+
+import sys
+
+
+def validate_files(argv):
+    retcode = 0
+    for filename in argv:
+        if (
+            not filename.endswith('_test.py') and
+            not filename.endswith('__init__.py') and
+            not filename.endswith('/conftest.py')
+        ):
+            retcode = 1
+            print '{0} does not end in _test.py'.format(filename)
+
+    return retcode
+
+
+def entry():
+    validate_files(sys.argv[1:])
+
+
+if __name__ == '__main__':
+    sys.exit(entry())