Fixed #3771 -- Modified the test runner to observe the --noinput argu…

…ment controlling script interactivity. This means that test scripts can now be put in a buildbot environment. This is a backwards incompatible change for anyone that has written a custom test runner. Thanks for the suggestion, moof@metamoof.net.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@5752 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management.py

@@ -1331,7 +1331,7 @@ def runfcgi(args):
     runfastcgi(args)
 runfcgi.args = '[various KEY=val options, use `runfcgi help` for help]'
 
-def test(app_labels, verbosity=1):
+def test(app_labels, verbosity=1, interactive=True):
     "Runs the test suite for the specified applications"
     from django.conf import settings
     from django.db.models import get_app, get_apps
@@ -1350,12 +1350,12 @@ def test(app_labels, verbosity=1):
     test_module = __import__(test_module_name, {}, {}, test_path[-1])
     test_runner = getattr(test_module, test_path[-1])
 
-    failures = test_runner(app_list, verbosity)
+    failures = test_runner(app_list, verbosity=verbosity, interactive=interactive)
     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
+test.args = '[--verbosity] [--noinput]' + APP_ARGS
 
 def load_data(fixture_labels, verbosity=1):
     "Installs the provided fixture file(s) as data in the database."
@@ -1631,7 +1631,12 @@ def execute_from_command_line(action_mapping=DEFAULT_ACTION_MAPPING, argv=None):
             action_mapping[action](args[1])
         except IndexError:
             parser.print_usage_and_exit()
-    elif action in ('test', 'loaddata'):
+    elif action == 'test':
+        try:
+            action_mapping[action](args[1:], int(options.verbosity), options.interactive)
+        except IndexError:
+            parser.print_usage_and_exit()
+    elif action == 'loaddata':
         try:
             action_mapping[action](args[1:], int(options.verbosity))
         except IndexError:

django/test/simple.py

@@ -69,7 +69,7 @@ def build_suite(app_module):
 
     return suite
 
-def run_tests(module_list, verbosity=1, extra_tests=[]):
+def run_tests(module_list, verbosity=1, interactive=True, extra_tests=[]):
     """
     Run the unit tests for all the modules in the provided list.
     This testrunner will search each of the modules in the provided list,
@@ -91,7 +91,7 @@ def run_tests(module_list, verbosity=1, extra_tests=[]):
         suite.addTest(test)
 
     old_name = settings.DATABASE_NAME
-    create_test_db(verbosity)
+    create_test_db(verbosity, autoclobber=not interactive)
     result = unittest.TextTestRunner(verbosity=verbosity).run(suite)
     destroy_test_db(old_name, verbosity)
 

docs/testing.txt

@@ -662,17 +662,23 @@ framework that can be executed from Python code.
 Defining a test runner
 ----------------------
 By convention, a test runner should be called ``run_tests``; however, you
-can call it anything you want. The only requirement is that it accept two
+can call it anything you want. The only requirement is that it accept three
 arguments:
 
-``run_tests(module_list, verbosity=1)``
+``run_tests(module_list, verbosity=1, interactive=True)``
     The module list is the list of Python modules that contain the models to be
     tested. This is the same format returned by ``django.db.models.get_apps()``
 
     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.
 
+    **New in Django development version** If ``interactive`` is ``True``, the
+    test suite may ask the user for instructions when the test suite is
+    executed. An example of this behavior would be asking for permission to
+    delete an existing test database. If ``interactive`` is ``False, the 
+    test suite must be able to run without any manual intervention.
+
     This method should return the number of tests that failed.
 
 Testing utilities

tests/runtests.py

@@ -73,7 +73,7 @@ def runTest(self):
         self.assert_(not unexpected, "Unexpected Errors: " + '\n'.join(unexpected))
         self.assert_(not missing, "Missing Errors: " + '\n'.join(missing))
 
-def django_tests(verbosity, tests_to_run):
+def django_tests(verbosity, interactive, tests_to_run):
     from django.conf import settings
 
     old_installed_apps = settings.INSTALLED_APPS
@@ -130,7 +130,7 @@ def django_tests(verbosity, tests_to_run):
 
     # Run the test suite, including the extra validation tests.
     from django.test.simple import run_tests
-    failures = run_tests(test_models, verbosity, extra_tests=extra_tests)
+    failures = run_tests(test_models, verbosity=verbosity, interactive=interactive, extra_tests=extra_tests)
     if failures:
         sys.exit(failures)
 
@@ -149,6 +149,8 @@ def django_tests(verbosity, tests_to_run):
     parser.add_option('-v','--verbosity', action='store', dest='verbosity', default='0',
         type='choice', choices=['0', '1', '2'],
         help='Verbosity level; 0=minimal output, 1=normal output, 2=all output')
+    parser.add_option('--noinput', action='store_false', dest='interactive', default=True,
+        help='Tells Django to NOT prompt the user for input of any kind.')
     parser.add_option('--settings',
         help='Python path to settings module, e.g. "myproject.settings". If this isn\'t provided, the DJANGO_SETTINGS_MODULE environment variable will be used.')
     options, args = parser.parse_args()
@@ -157,4 +159,4 @@ def django_tests(verbosity, tests_to_run):
     elif "DJANGO_SETTINGS_MODULE" not in os.environ:
         parser.error("DJANGO_SETTINGS_MODULE is not set in the environment. "
                       "Set it or use --settings.")
-    django_tests(int(options.verbosity), args)
+    django_tests(int(options.verbosity), options.interactive, args)