# HG changeset patch
# User Augie Fackler <durin42@gmail.com>
# Date 1286251392 18000
# Node ID a19a208c085b0eb9dff5636257f400268aac3674
# Parent  ae52a3b30cfb30461e8917549208eda50a441f4b
test_util: new requiresmodule decorator for tests that require a feature

diff --git a/tests/test_util.py b/tests/test_util.py
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -106,6 +106,15 @@ def _makeskip(name, message):
     return skip
 
 
+def requiresmodule(mod):
+    """Skip a test if the specified module is not None."""
+    def decorator(fn):
+        if mod is not None:
+            return fn
+        return _makeskip(fn.__name__, 'missing required feature')
+    return decorator
+
+
 def requiresoption(option):
     '''Skip a test if commands.clone does not take the specified option.'''
     def decorator(fn):