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executable file 217 lines (191 sloc) 9.591 kB
#!/usr/bin/env python
import os, sys, time, traceback
# doctest is included in the same package as this module, because this testing
# framework uses features only available in the Python 2.4 version of doctest,
# and Django aims to work with Python 2.3+.
import doctest
APP_NAME = 'testapp'
OTHER_TESTS_DIR = "othertests"
TEST_DATABASE_NAME = 'django_test_db'
error_list = []
def log_error(model_name, title, description):
error_list.append({
'title': "%r module: %s" % (model_name, title),
'description': description,
})
MODEL_DIR = os.path.join(os.path.dirname(__file__), APP_NAME, 'models')
def get_test_models():
return [f[:-3] for f in os.listdir(MODEL_DIR) if f.endswith('.py') and not f.startswith('__init__')]
class DjangoDoctestRunner(doctest.DocTestRunner):
def __init__(self, verbosity_level, *args, **kwargs):
self.verbosity_level = verbosity_level
doctest.DocTestRunner.__init__(self, *args, **kwargs)
self._checker = DjangoDoctestOutputChecker()
self.optionflags = doctest.ELLIPSIS
def report_start(self, out, test, example):
if self.verbosity_level > 1:
out(" >>> %s\n" % example.source.strip())
def report_failure(self, out, test, example, got):
log_error(test.name, "API test failed",
"Code: %r\nLine: %s\nExpected: %r\nGot: %r" % (example.source.strip(), example.lineno, example.want, got))
def report_unexpected_exception(self, out, test, example, exc_info):
tb = ''.join(traceback.format_exception(*exc_info)[1:])
log_error(test.name, "API test raised an exception",
"Code: %r\nLine: %s\nException: %s" % (example.source.strip(), example.lineno, tb))
class DjangoDoctestOutputChecker(doctest.OutputChecker):
def check_output(self, want, got, optionflags):
ok = doctest.OutputChecker.check_output(self, want, got, optionflags)
if not ok and (want.strip().endswith("L") or got.strip().endswith("L")):
try:
return long(want.strip()) == long(got.strip())
except ValueError:
return False
return ok
class TestRunner:
def __init__(self, verbosity_level=0, which_tests=None):
self.verbosity_level = verbosity_level
self.which_tests = which_tests
def output(self, required_level, message):
if self.verbosity_level > required_level - 1:
print message
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()
if not self.which_tests:
# Run the non-model tests in the other tests dir
self.output(1, "Running other tests")
other_tests_dir = os.path.join(os.path.dirname(__file__), OTHER_TESTS_DIR)
test_modules = [f[:-3] for f in os.listdir(other_tests_dir) if f.endswith('.py') and not f.startswith('__init__')]
for module in test_modules:
self.output(1, "%s module: Importing" % module)
try:
mod = __import__("othertests." + module, '', '', [''])
except Exception, e:
log_error(module, "Error while importing", ''.join(traceback.format_exception(*sys.exc_info())[1:]))
continue
if mod.__doc__:
p = doctest.DocTestParser()
dtest = p.get_doctest(mod.__doc__, mod.__dict__, module, None, None)
runner = DjangoDoctestRunner(verbosity_level=verbosity_level, verbose=False)
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
print d['title']
print "=" * len(d['title'])
print d['description']
print "%s error%s:" % (len(error_list), len(error_list) != 1 and 's' or '')
else:
print "All tests passed."
if __name__ == "__main__":
from optparse import OptionParser
usage = "%prog [options] [model model model ...]"
parser = OptionParser()
parser.add_option('-v', help='How verbose should the output be? Choices are 0, 1 and 2, where 2 is most verbose. Default is 0.',
type='choice', choices=['0', '1', '2'])
parser.add_option('--settings',
help='Python path to settings module, e.g. "myproject.settings.main". If this isn\'t provided, the DJANGO_SETTINGS_MODULE environment variable will be used.')
options, args = parser.parse_args()
verbosity_level = 0
if options.v:
verbosity_level = int(options.v)
if options.settings:
os.environ['DJANGO_SETTINGS_MODULE'] = options.settings
t = TestRunner(verbosity_level, args)
t.run_tests()
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