From 6e7aabc780ff9f70bf05d41b97cc973451e0b2ee Mon Sep 17 00:00:00 2001
From: Rob Austein <sra@hactrn.net>
Date: Thu, 16 Jun 2016 18:59:13 -0400
Subject: Convert timing report to integrate with unittest.TextTestRunner, to
 avoid garbled reports if a test fails.

---
 unit_tests.py | 44 ++++++++++++++++++++++++--------------------
 1 file changed, 24 insertions(+), 20 deletions(-)

diff --git a/unit_tests.py b/unit_tests.py
index efda5e9..b15d7a7 100644
--- a/unit_tests.py
+++ b/unit_tests.py
@@ -21,14 +21,16 @@ except ImportError:
 
 def log(msg):
     if not args.quiet:
-        sys.stderr.write("{}\n".format(msg))
+        sys.stderr.write(msg)
+        sys.stderr.write("\n")
+
 
 def main():
     from sys import argv
     global args
     args = parse_arguments(argv[1:])
     argv = argv[:1] + args.only_test
-    unittest.main(verbosity = 1 if args.quiet else 2, argv = argv, catchbreak = True)
+    unittest.main(verbosity = 1 if args.quiet else 2, argv = argv, catchbreak = True, testRunner = TextTestRunner)
 
 def parse_arguments(argv = ()):
     from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
@@ -121,31 +123,31 @@ def tearDownModule():
             check_call(("sudo", "kill", str(rpc.pid)))
 
 
-class TimedTestCase(unittest.TestCase):
-    """
-    TestCase subclass with setUp and tearDown hooks to report
-    individual test duration.
-    """
+# Subclass a few bits of unittest to add timing reports for individual tests.
+
+class TestCase(unittest.TestCase):
 
     def setUp(self):
-        super(TimedTestCase, self).setUp()
-        self.addCleanup(self._print_timing)
+        super(TestCase, self).setUp()
         self.startTime = datetime.datetime.now()
 
     def tearDown(self):
         self.endTime = datetime.datetime.now()
-        super(TimedTestCase, self).tearDown()
+        super(TestCase, self).tearDown()
 
-    def _print_timing(self):
-        try:
-            elapsed = self.endTime - self.startTime
-        except AttributeError:
-            pass
-        else:
-            log("Runtime {}".format(elapsed))
+class TextTestResult(unittest.TextTestResult):
+
+    def addSuccess(self, test):
+        if self.showAll and hasattr(test, "startTime") and hasattr(test, "endTime"):
+            self.stream.write("runtime {} ... ".format(test.endTime - test.startTime))
+            self.stream.flush()
+        super(TextTestResult, self).addSuccess(test)
 
+class TextTestRunner(unittest.TextTestRunner):
+    resultclass = TextTestResult
 
-class TestInit(TimedTestCase):
+
+class TestInit(TestCase):
     """
     Test all the flavors of C_Initialize().
     """
@@ -173,7 +175,7 @@ class TestInit(TimedTestCase):
         p11.C_Finalize()
 
 
-class TestDevice(TimedTestCase):
+class TestDevice(TestCase):
     """
     Test basic device stuff like C_GetSlotList(), C_OpenSession(), and C_Login().
     """
@@ -254,7 +256,7 @@ class TestDevice(TimedTestCase):
         p11.C_FindObjectsFinal(session)
 
 
-class TestKeys(TimedTestCase):
+class TestKeys(TestCase):
     """
     Tests involving keys.
     """
@@ -549,6 +551,8 @@ class TestKeys(TimedTestCase):
     @unittest.skipUnless(pycrypto_loaded, "requires PyCrypto")
     def test_load_sign_verify_rsa_3416(self):
         "Load/sign/verify with RSA-3416-SHA-512 and externally-supplied key"
+        if not args.all_tests:
+            self.skipTest("Key length not a multiple of 32, so expected to fail (fairly quickly)")
         public_key, private_key = self._load_rsa_keypair(rsa_3416_pem, "RSA-3416")
         hamster = "Your mother was a hamster"
         p11.C_SignInit(self.session, CKM_SHA512_RSA_PKCS, private_key)
-- 
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