Fixed #3253 -- Exposed the number of failed tests as a return code in manage.py and runtests.py.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4608 bcc190cf-cafb-0310-a4f2-bffc1f526a37

4 files changed, 22 insertions, 6 deletions

diff --git a/django/core/management.py b/django/core/management.py
index ae610e696d..953eeca734 100644
--- a/django/core/management.py
+++ b/django/core/management.py
@@ -1240,7 +1240,10 @@ def test(app_labels, verbosity=1):
     test_module = __import__(test_module_name, {}, {}, test_path[-1])
     test_runner = getattr(test_module, test_path[-1])
 
-    test_runner(app_list, verbosity)
+    failures = test_runner(app_list, verbosity)
+    if failures:
+        sys.exit(failures)
+        
 test.help_doc = 'Runs the test suite for the specified applications, or the entire site if no apps are specified'
 test.args = '[--verbosity] ' + APP_ARGS
 
diff --git a/django/test/simple.py b/django/test/simple.py
index 0cecc6b4fc..200f150594 100644
--- a/django/test/simple.py
+++ b/django/test/simple.py
@@ -63,6 +63,8 @@ def run_tests(module_list, verbosity=1, extra_tests=[]):
     looking for doctests and unittests in models.py or tests.py within
     the module. A list of 'extra' tests may also be provided; these tests
     will be added to the test suite.
+    
+    Returns the number of tests that failed.
     """
     setup_test_environment()
     
@@ -77,7 +79,10 @@ def run_tests(module_list, verbosity=1, extra_tests=[]):
 
     old_name = settings.DATABASE_NAME
     create_test_db(verbosity)
-    unittest.TextTestRunner(verbosity=verbosity).run(suite)
+    result = unittest.TextTestRunner(verbosity=verbosity).run(suite)
     destroy_test_db(old_name, verbosity)
     
     teardown_test_environment()
+    
+    return len(result.failures)
+    
\ No newline at end of file
diff --git a/docs/testing.txt b/docs/testing.txt
index 33014723cd..57e50f483d 100644
--- a/docs/testing.txt
+++ b/docs/testing.txt
@@ -417,7 +417,10 @@ failed::
 
     FAILED (failures=1)
 
-When the tests have all been executed, the test database is destroyed.
+The return code for the script will indicate the number of tests that failed.
+
+Regardless of whether the tests pass or fail, the test database is destroyed when
+all the tests have been executed. 
 
 Using a different testing framework
 ===================================
@@ -428,7 +431,8 @@ it does provide a mechanism to allow you to invoke tests constructed for
 an alternative framework as if they were normal Django tests.
 
 When you run ``./manage.py test``, Django looks at the ``TEST_RUNNER``
-setting to determine what to do. By default, ``TEST_RUNNER`` points to ``django.test.simple.run_tests``. This method defines the default Django
+setting to determine what to do. By default, ``TEST_RUNNER`` points to 
+``django.test.simple.run_tests``. This method defines the default Django
 testing behavior. This behavior involves:
 
 #. Performing global pre-test setup
@@ -436,7 +440,7 @@ testing behavior. This behavior involves:
 #. Running ``syncdb`` to install models and initial data into the test database
 #. Looking for Unit Tests and Doctests in ``models.py`` and ``tests.py`` file for each installed application
 #. Running the Unit Tests and Doctests that are found
-#. Destroying the test database.
+#. Destroying the test database
 #. Performing global post-test teardown
 
 If you define your own test runner method and point ``TEST_RUNNER``
@@ -457,6 +461,8 @@ arguments:
     Verbosity determines the amount of notification and debug information that
     will be printed to the console; `0` is no output, `1` is normal output,
     and `2` is verbose output.
+    
+    This method should return the number of tests that failed.
 
 Testing utilities
 -----------------
diff --git a/tests/runtests.py b/tests/runtests.py
index 1c15f18510..b21a3536ac 100755
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -124,7 +124,9 @@ def django_tests(verbosity, tests_to_run):
 
     # Run the test suite, including the extra validation tests.
     from django.test.simple import run_tests
-    run_tests(test_models, verbosity, extra_tests=extra_tests)
+    failures = run_tests(test_models, verbosity, extra_tests=extra_tests)
+    if failures:
+        sys.exit(failures)
 
     # Restore the old settings.
     settings.INSTALLED_APPS = old_installed_apps