From ca280409e5a0f184c881638bc53df2a917642474 2015-03-26 14:25:05
From: Thomas Adriaan Hellinger <brotherjack1877@gmail.com>
Date: 2015-03-26 14:25:05
Subject: [PATCH] Added test code for 'commenting out' feature of alias magic

---

diff --git a/IPython/core/tests/test_alias.py b/IPython/core/tests/test_alias.py
index 8ae57f6..63479ae 100644
--- a/IPython/core/tests/test_alias.py
+++ b/IPython/core/tests/test_alias.py
@@ -38,4 +38,13 @@ def test_alias_args_error():
     with capture_output() as cap:
         _ip.run_cell('parts 1')
 
-    nt.assert_equal(cap.stderr.split(':')[0], 'UsageError')
\ No newline at end of file
+    nt.assert_equal(cap.stderr.split(':')[0], 'UsageError')
+    
+def test_alias_args_commented():
+    """Check that alias correctly ignores 'commented out' args"""
+    _ip.alias_manager.define_alias('commetarg', 'echo this is %%s a "commented out" arg')
+    
+    with capture_output as cap:
+        _ip.run_cell('commetarg')
+    
+    nt.assert_equal(cap.stdout, 'this is %s a "commented out" arg')
\ No newline at end of file