From 56537559a34c4bc1e5f11e68e6378a26c241b474 Mon Sep 17 00:00:00 2001
From: Ben Beecher <benbeecher@gmail.com>
Date: Sun, 22 Jan 2017 17:35:08 -0500
Subject: [PATCH 1/3] Making sure that TestCase can be hashed

---
 testtools/testcase.py            | 7 +++++++
 testtools/tests/test_testcase.py | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/testtools/testcase.py b/testtools/testcase.py
index 012def36..2c885452 100644
--- a/testtools/testcase.py
+++ b/testtools/testcase.py
@@ -275,6 +275,13 @@ def __eq__(self, other):
             return False
         return self.__dict__ == other.__dict__
 
+    def __hash__(self):
+        hashfn = getattr(unittest.TestCase, '__hash__', None)
+        if hashfn is not None:
+            return hashfn(self)
+        return id(self)
+
+
     def __repr__(self):
         # We add id to the repr because it makes testing testtools easier.
         return f"<{self.id()} id=0x{id(self):0x}>"
diff --git a/testtools/tests/test_testcase.py b/testtools/tests/test_testcase.py
index 00cb60da..c2766ffd 100644
--- a/testtools/tests/test_testcase.py
+++ b/testtools/tests/test_testcase.py
@@ -86,6 +86,10 @@ def test_shortDescription_specified(self):
         test = PlaceHolder("test id", "description")
         self.assertEqual("description", test.shortDescription())
 
+    def test_testcase_is_hashable(self):
+        test = hash(self)
+        self.assertEqual(unittest.TestCase.__hash__(self), test)
+
     def test_repr_just_id(self):
         # repr(placeholder) shows you how the object was constructed.
         test = PlaceHolder("test id")

From cf6b8b0ec9e8a16fa64bddbe0ae69f0f235a550a Mon Sep 17 00:00:00 2001
From: Ben Beecher <ben@lightmatter.com>
Date: Thu, 29 Aug 2019 15:52:02 -0400
Subject: [PATCH 2/3] less code

---
 testtools/testcase.py | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/testtools/testcase.py b/testtools/testcase.py
index 2c885452..ea5a8d7f 100644
--- a/testtools/testcase.py
+++ b/testtools/testcase.py
@@ -276,11 +276,8 @@ def __eq__(self, other):
         return self.__dict__ == other.__dict__
 
     def __hash__(self):
-        hashfn = getattr(unittest.TestCase, '__hash__', None)
-        if hashfn is not None:
-            return hashfn(self)
-        return id(self)
-
+        hashfn = getattr(unittest.TestCase, '__hash__', id)
+        return hashfn(self)
 
     def __repr__(self):
         # We add id to the repr because it makes testing testtools easier.

From e223b5dfada74e8a7438f699c81ab2baeb08df60 Mon Sep 17 00:00:00 2001
From: Ben Beecher <Ben@lightmatter.com>
Date: Sat, 30 Apr 2022 20:05:24 -0400
Subject: [PATCH 3/3] simplifying code

---
 testtools/testcase.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/testtools/testcase.py b/testtools/testcase.py
index ea5a8d7f..f3bd510b 100644
--- a/testtools/testcase.py
+++ b/testtools/testcase.py
@@ -275,9 +275,7 @@ def __eq__(self, other):
             return False
         return self.__dict__ == other.__dict__
 
-    def __hash__(self):
-        hashfn = getattr(unittest.TestCase, '__hash__', id)
-        return hashfn(self)
+    __hash__ = unittest.TestCase.__hash__
 
     def __repr__(self):
         # We add id to the repr because it makes testing testtools easier.