From cc7f66594f6f04dbaf6d207d91cf7da378618070 Mon Sep 17 00:00:00 2001
From: Jonathan Lange <jml@mumak.net>
Date: Mon, 16 Nov 2015 19:09:09 +0100
Subject: [PATCH] Allow tests to be run twice

---
 testtools/testcase.py            |  2 ++
 testtools/tests/test_testcase.py | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/testtools/testcase.py b/testtools/testcase.py
index afb9c6c..c9b3a5f 100644
--- a/testtools/testcase.py
+++ b/testtools/testcase.py
@@ -639,6 +639,8 @@ class TestCase(unittest.TestCase):
                 "super(%s, self).tearDown() from your tearDown()."
                 % (sys.modules[self.__class__.__module__].__file__,
                    self.__class__.__name__))
+        self.__setup_called = False
+        self.__teardown_called = False
         return ret
 
     def _get_test_method(self):
diff --git a/testtools/tests/test_testcase.py b/testtools/tests/test_testcase.py
index 185b726..6907f0c 100644
--- a/testtools/tests/test_testcase.py
+++ b/testtools/tests/test_testcase.py
@@ -1265,6 +1265,18 @@ class TestSetupTearDown(TestCase):
                 "...ValueError...File...testtools/tests/test_testcase.py...",
                 ELLIPSIS))
 
+    def test_runTwice(self):
+        # Tests can be run twice.
+        class NormalTest(TestCase):
+            def test_method(self):
+                pass
+        test = NormalTest('test_method')
+        result = unittest.TestResult()
+        test.run(result)
+        test.run(result)
+        self.expectThat(result.errors, HasLength(0))
+        self.assertThat(result.testsRun, Equals(2))
+
 
 require_py27_minimum = skipIf(
     sys.version < '2.7',