From 92eec3ef9ae3eed18cef4cb7e87a85df4f06d3f0 Mon Sep 17 00:00:00 2001
From: Karen Tracey <kmtracey@gmail.com>
Date: Sun, 13 Dec 2009 16:24:36 +0000
Subject: Fixed #11613: Added a failfast option for test running.  Thanks
 jukvalim and Randy Barlow.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@11843 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/core/management/commands/test.py | 13 +++++++++++--
 django/test/simple.py                   | 24 ++++++++++++++++++++++--
 2 files changed, 33 insertions(+), 4 deletions(-)

(limited to 'django')

diff --git a/django/core/management/commands/test.py b/django/core/management/commands/test.py
index 8ebf3daea6..4fd6ba0c8d 100644
--- a/django/core/management/commands/test.py
+++ b/django/core/management/commands/test.py
@@ -6,6 +6,8 @@ class Command(BaseCommand):
     option_list = BaseCommand.option_list + (
         make_option('--noinput', action='store_false', dest='interactive', default=True,
             help='Tells Django to NOT prompt the user for input of any kind.'),
+        make_option('--failfast', action='store_true', dest='failfast', default=False,
+            help='Tells Django to stop running the test suite after first failed test.')
     )
     help = 'Runs the test suite for the specified applications, or the entire site if no apps are specified.'
     args = '[appname ...]'
@@ -15,11 +17,18 @@ class Command(BaseCommand):
     def handle(self, *test_labels, **options):
         from django.conf import settings
         from django.test.utils import get_runner
-
+        
         verbosity = int(options.get('verbosity', 1))
         interactive = options.get('interactive', True)
+        failfast = options.get('failfast', False)
         test_runner = get_runner(settings)
 
-        failures = test_runner(test_labels, verbosity=verbosity, interactive=interactive)
+        # Some custom test runners won't accept the failfast flag, so let's make sure they accept it before passing it to them
+        if 'failfast' in test_runner.func_code.co_varnames:
+            failures = test_runner(test_labels, verbosity=verbosity, interactive=interactive, 
+                                   failfast=failfast)
+        else:
+            failures = test_runner(test_labels, verbosity=verbosity, interactive=interactive)
+
         if failures:
             sys.exit(failures)
diff --git a/django/test/simple.py b/django/test/simple.py
index f3c48bae33..c1f915b8cd 100644
--- a/django/test/simple.py
+++ b/django/test/simple.py
@@ -10,6 +10,26 @@ TEST_MODULE = 'tests'
 
 doctestOutputChecker = OutputChecker()
 
+class DjangoTestRunner(unittest.TextTestRunner):
+    
+    def __init__(self, verbosity=0, failfast=False, **kwargs):
+        super(DjangoTestRunner, self).__init__(verbosity=verbosity, **kwargs)
+        self.failfast = failfast
+        
+    def _makeResult(self):
+        result = super(DjangoTestRunner, self)._makeResult()
+        failfast = self.failfast
+        
+        def stoptest_override(func):
+            def stoptest(test):
+                if failfast and not result.wasSuccessful():
+                    result.stop()
+                func(test)
+            return stoptest
+        
+        setattr(result, 'stopTest', stoptest_override(result.stopTest))
+        return result
+
 def get_tests(app_module):
     try:
         app_path = app_module.__name__.split('.')[:-1]
@@ -146,7 +166,7 @@ def reorder_suite(suite, classes):
         bins[0].addTests(bins[i+1])
     return bins[0]
 
-def run_tests(test_labels, verbosity=1, interactive=True, extra_tests=[]):
+def run_tests(test_labels, verbosity=1, interactive=True, failfast=False, extra_tests=[]):
     """
     Run the unit tests for all the test labels in the provided list.
     Labels must be of the form:
@@ -189,7 +209,7 @@ def run_tests(test_labels, verbosity=1, interactive=True, extra_tests=[]):
     old_name = settings.DATABASE_NAME
     from django.db import connection
     connection.creation.create_test_db(verbosity, autoclobber=not interactive)
-    result = unittest.TextTestRunner(verbosity=verbosity).run(suite)
+    result = DjangoTestRunner(verbosity=verbosity, failfast=failfast).run(suite)
     connection.creation.destroy_test_db(old_name, verbosity)
 
     teardown_test_environment()
-- 
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