def run_tests(self):
from django.conf import settings
from django.core.db import db
from django.core import management, meta
# Manually set INSTALLED_APPS to point to the test app.
settings.INSTALLED_APPS = (APP_NAME,)
# Determine which models we're going to test.
test_models = get_test_models()
if self.which_tests:
# Only run the specified tests.
bad_models = [m for m in self.which_tests if m not in test_models]
if bad_models:
sys.stderr.write("Models not found: %s\n" % bad_models)
sys.exit(1)
else:
test_models = self.which_tests
self.output(0, "Running tests with database %r" % settings.DATABASE_ENGINE)
# If we're using SQLite, it's more convenient to test against an
# in-memory database.
if settings.DATABASE_ENGINE == "sqlite3":
global TEST_DATABASE_NAME
TEST_DATABASE_NAME = ":memory:"
else:
# Create the test database and connect to it. We need autocommit()
# because PostgreSQL doesn't allow CREATE DATABASE statements
# within transactions.
cursor = db.cursor()
try:
db.connection.autocommit(1)
except AttributeError:
pass
self.output(1, "Creating test database")
try:
cursor.execute("CREATE DATABASE %s" % TEST_DATABASE_NAME)
except:
confirm = raw_input("The test database, %s, already exists. Type 'yes' to delete it, or 'no' to cancel: " % TEST_DATABASE_NAME)
if confirm == 'yes':
cursor.execute("DROP DATABASE %s" % TEST_DATABASE_NAME)
cursor.execute("CREATE DATABASE %s" % TEST_DATABASE_NAME)
else:
print "Tests cancelled."
return
db.close()
old_database_name = settings.DATABASE_NAME
settings.DATABASE_NAME = TEST_DATABASE_NAME
# Initialize the test database.
cursor = db.cursor()
self.output(1, "Initializing test database")
management.init()
# Run the tests for each test model.
self.output(1, "Running app tests")
for model_name in test_models:
self.output(1, "%s model: Importing" % model_name)
try:
mod = meta.get_app(model_name)
except Exception, e:
log_error(model_name, "Error while importing", ''.join(traceback.format_exception(*sys.exc_info())[1:]))
continue
self.output(1, "%s model: Installing" % model_name)
management.install(mod)
# Run the API tests.
p = doctest.DocTestParser()
test_namespace = dict([(m._meta.module_name, getattr(mod, m._meta.module_name)) for m in mod._MODELS])
dtest = p.get_doctest(mod.API_TESTS, test_namespace, model_name, None, None)
# Manually set verbose=False, because "-v" command-line parameter
# has side effects on doctest TestRunner class.
runner = DjangoDoctestRunner(verbosity_level=verbosity_level, verbose=False)
self.output(1, "%s model: Running tests" % model_name)
try:
runner.run(dtest, clear_globs=True, out=sys.stdout.write)
finally:
# Rollback, in case of database errors. Otherwise they'd have
# side effects on other tests.
db.rollback()
self.output(1, "%s module: running tests" % module)
runner.run(dtest, clear_globs=True, out=sys.stdout.write)
if hasattr(mod, "run_tests") and callable(mod.run_tests):
self.output(1, "%s module: running tests" % module)
try:
mod.run_tests(verbosity_level)
except Exception, e:
log_error(module, "Exception running tests", ''.join(traceback.format_exception(*sys.exc_info())[1:]))
continue
# Unless we're using SQLite, remove the test database to clean up after
# ourselves. Connect to the previous database (not the test database)
# to do so, because it's not allowed to delete a database while being
# connected to it.
if settings.DATABASE_ENGINE != "sqlite3":
db.close()
settings.DATABASE_NAME = old_database_name
cursor = db.cursor()
self.output(1, "Deleting test database")
try:
db.connection.autocommit(1)
except AttributeError:
pass
else:
time.sleep(1) # To avoid "database is being accessed by other users" errors.
cursor.execute("DROP DATABASE %s" % TEST_DATABASE_NAME)
# Display output.
if error_list:
for d in error_list:
print
