From 69ddc5854d8a61dcbfb0bae1121ff855cb8bcf75 Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Sun, 24 Jun 2007 12:37:13 +0200
Subject: [PATCH] [svn] added sameas test function

--HG--
branch : trunk
---
 CHANGES             |  2 ++
 jinja/filters.py    |  2 ++
 jinja/tests.py      | 19 ++++++++++++++++++-
 tests/test_tests.py |  6 ++++++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 6bf0278..b30fa9b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -14,6 +14,8 @@ Version 1.2
 
 - added `groupby` filter.
 
+- added `sameas` test function.
+
 
 Version 1.1
 -----------
diff --git a/jinja/filters.py b/jinja/filters.py
index 3f621a7..f253d37 100644
--- a/jinja/filters.py
+++ b/jinja/filters.py
@@ -872,6 +872,8 @@ def do_groupby(attribute):
     As you can see the item we're grouping by is stored in the `grouper`
     attribute and the `list` contains all the objects that have this grouper
     in common.
+
+    *New in Jinja 1.2*
     """
     def wrapped(env, context, value):
         expr = lambda x: env.get_attribute(x, attribute)
diff --git a/jinja/tests.py b/jinja/tests.py
index cdef3a3..4cbe65a 100644
--- a/jinja/tests.py
+++ b/jinja/tests.py
@@ -111,6 +111,22 @@ def test_matching(regex):
     return wrapped
 
 
+def test_sameas(other):
+    """
+    Check if an object points to the same memory address than another
+    object:
+
+    .. sourcecode:: jinja
+
+        {% if foo.attribute is sameas(false) %}
+            the foo attribute really is the `False` singleton
+        {% endif %}
+
+    *New in Jinja 1.2*
+    """
+    return lambda e, c, v: v is other
+
+
 TESTS = {
     'odd':              test_odd,
     'even':             test_even,
@@ -119,5 +135,6 @@ TESTS = {
     'upper':            test_upper,
     'numeric':          test_numeric,
     'sequence':         test_sequence,
-    'matching':         test_matching
+    'matching':         test_matching,
+    'sameas':           test_sameas
 }
diff --git a/tests/test_tests.py b/tests/test_tests.py
index 387f3fb..c28cd90 100644
--- a/tests/test_tests.py
+++ b/tests/test_tests.py
@@ -19,6 +19,7 @@ SEQUENCE = '''{{ [1, 2, 3] is sequence }}|\
 {{ "foo" is sequence }}|\
 {{ 42 is sequence }}'''
 UPPER = '''{{ "FOO" is upper }}|{{ "foo" is upper }}'''
+SAMEAS = '''{{ foo is sameas(false) }}|{{ 0 is sameas(false) }}'''
 
 
 def test_defined(env):
@@ -59,3 +60,8 @@ def test_sequence(env):
 def test_upper(env):
     tmpl = env.from_string(UPPER)
     assert tmpl.render() == 'True|False'
+
+
+def test_sameas(env):
+    tmpl = env.from_string(SAMEAS)
+    assert tmpl.render(foo=False) == 'True|False'
-- 
2.26.2