mirror of https://github.com/django/django.git
295 lines
13 KiB
Python
Executable File
295 lines
13 KiB
Python
Executable File
#!/usr/bin/env python
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import os, re, sys, time, traceback
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# doctest is included in the same package as this module, because this testing
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# framework uses features only available in the Python 2.4 version of doctest,
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# and Django aims to work with Python 2.3+.
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import doctest
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MODEL_TESTS_DIR_NAME = 'modeltests'
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OTHER_TESTS_DIR = "othertests"
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REGRESSION_TESTS_DIR_NAME = 'regressiontests'
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TEST_DATABASE_NAME = 'django_test_db'
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error_list = []
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def log_error(model_name, title, description):
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error_list.append({
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'title': "%r module: %s" % (model_name, title),
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'description': description,
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})
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MODEL_TEST_DIR = os.path.join(os.path.dirname(__file__), MODEL_TESTS_DIR_NAME)
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REGRESSION_TEST_DIR = os.path.join(os.path.dirname(__file__), REGRESSION_TESTS_DIR_NAME)
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ALWAYS_INSTALLED_APPS = [
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'django.contrib.contenttypes',
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'django.contrib.auth',
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'django.contrib.sites',
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'django.contrib.flatpages',
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'django.contrib.redirects',
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'django.contrib.sessions',
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'django.contrib.comments',
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'django.contrib.admin',
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]
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def get_test_models():
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models = []
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for loc, dirpath in (MODEL_TESTS_DIR_NAME, MODEL_TEST_DIR), (REGRESSION_TESTS_DIR_NAME, REGRESSION_TEST_DIR):
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for f in os.listdir(dirpath):
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if f.startswith('__init__') or f.startswith('.') or f.startswith('sql'):
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continue
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models.append((loc, f))
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return models
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class DjangoDoctestRunner(doctest.DocTestRunner):
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def __init__(self, verbosity_level, *args, **kwargs):
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self.verbosity_level = verbosity_level
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doctest.DocTestRunner.__init__(self, *args, **kwargs)
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self._checker = DjangoDoctestOutputChecker()
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self.optionflags = doctest.ELLIPSIS
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def report_start(self, out, test, example):
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if self.verbosity_level > 1:
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out(" >>> %s\n" % example.source.strip())
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def report_failure(self, out, test, example, got):
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log_error(test.name, "API test failed",
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"Code: %r\nLine: %s\nExpected: %r\nGot: %r" % (example.source.strip(), example.lineno, example.want, got))
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def report_unexpected_exception(self, out, test, example, exc_info):
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from django.db import transaction
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tb = ''.join(traceback.format_exception(*exc_info)[1:])
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log_error(test.name, "API test raised an exception",
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"Code: %r\nLine: %s\nException: %s" % (example.source.strip(), example.lineno, tb))
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# Rollback, in case of database errors. Otherwise they'd have
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# side effects on other tests.
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transaction.rollback_unless_managed()
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normalize_long_ints = lambda s: re.sub(r'(?<![\w])(\d+)L(?![\w])', '\\1', s)
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class DjangoDoctestOutputChecker(doctest.OutputChecker):
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def check_output(self, want, got, optionflags):
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ok = doctest.OutputChecker.check_output(self, want, got, optionflags)
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# Doctest does an exact string comparison of output, which means long
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# integers aren't equal to normal integers ("22L" vs. "22"). The
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# following code normalizes long integers so that they equal normal
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# integers.
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if not ok:
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return normalize_long_ints(want) == normalize_long_ints(got)
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return ok
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class TestRunner:
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def __init__(self, verbosity_level=0, which_tests=None):
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self.verbosity_level = verbosity_level
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self.which_tests = which_tests
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def output(self, required_level, message):
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if self.verbosity_level > required_level - 1:
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print message
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def run_tests(self):
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from django.conf import settings
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# An empty access of the settings to force the default options to be
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# installed prior to assigning to them.
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settings.INSTALLED_APPS
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# Manually set INSTALLED_APPS to point to the test models.
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settings.INSTALLED_APPS = ALWAYS_INSTALLED_APPS + ['.'.join(a) for a in get_test_models()]
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# Manually set DEBUG and USE_I18N.
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settings.DEBUG = False
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settings.USE_I18N = True
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from django.db import connection
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from django.core import management
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import django.db.models
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# Determine which models we're going to test.
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test_models = get_test_models()
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if 'othertests' in self.which_tests:
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self.which_tests.remove('othertests')
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run_othertests = True
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if not self.which_tests:
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test_models = []
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else:
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run_othertests = not self.which_tests
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if self.which_tests:
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# Only run the specified tests.
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bad_models = [m for m in self.which_tests if (MODEL_TESTS_DIR_NAME, m) not in test_models and (REGRESSION_TESTS_DIR_NAME, m) not in test_models]
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if bad_models:
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sys.stderr.write("Models not found: %s\n" % bad_models)
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sys.exit(1)
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else:
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all_tests = []
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for test in self.which_tests:
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for loc in MODEL_TESTS_DIR_NAME, REGRESSION_TESTS_DIR_NAME:
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if (loc, test) in test_models:
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all_tests.append((loc, test))
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test_models = all_tests
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self.output(0, "Running tests with database %r" % settings.DATABASE_ENGINE)
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# If we're using SQLite, it's more convenient to test against an
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# in-memory database.
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if settings.DATABASE_ENGINE == "sqlite3":
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global TEST_DATABASE_NAME
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TEST_DATABASE_NAME = ":memory:"
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else:
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# Create the test database and connect to it. We need to autocommit
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# if the database supports it because PostgreSQL doesn't allow
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# CREATE/DROP DATABASE statements within transactions.
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cursor = connection.cursor()
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self._set_autocommit(connection)
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self.output(1, "Creating test database")
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try:
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cursor.execute("CREATE DATABASE %s" % TEST_DATABASE_NAME)
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except Exception, e:
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sys.stderr.write("Got an error creating the test database: %s\n" % e)
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confirm = raw_input("It appears the test database, %s, already exists. Type 'yes' to delete it, or 'no' to cancel: " % TEST_DATABASE_NAME)
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if confirm == 'yes':
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cursor.execute("DROP DATABASE %s" % TEST_DATABASE_NAME)
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cursor.execute("CREATE DATABASE %s" % TEST_DATABASE_NAME)
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else:
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print "Tests cancelled."
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return
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connection.close()
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old_database_name = settings.DATABASE_NAME
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settings.DATABASE_NAME = TEST_DATABASE_NAME
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# Initialize the test database.
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cursor = connection.cursor()
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from django.db.models.loading import load_app
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# Install the core always installed apps
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for app in ALWAYS_INSTALLED_APPS:
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self.output(1, "Installing contrib app %s" % app)
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mod = load_app(app)
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management.install(mod)
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# Run the tests for each test model.
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self.output(1, "Running app tests")
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for model_dir, model_name in test_models:
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self.output(1, "%s model: Importing" % model_name)
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try:
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mod = load_app(model_dir + '.' + model_name)
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except Exception, e:
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log_error(model_name, "Error while importing", ''.join(traceback.format_exception(*sys.exc_info())[1:]))
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continue
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if not getattr(mod, 'error_log', None):
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# Model is not marked as an invalid model
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self.output(1, "%s.%s model: Installing" % (model_dir, model_name))
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management.install(mod)
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# Run the API tests.
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p = doctest.DocTestParser()
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test_namespace = dict([(m._meta.object_name, m) \
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for m in django.db.models.get_models(mod)])
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dtest = p.get_doctest(mod.API_TESTS, test_namespace, model_name, None, None)
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# Manually set verbose=False, because "-v" command-line parameter
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# has side effects on doctest TestRunner class.
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runner = DjangoDoctestRunner(verbosity_level=verbosity_level, verbose=False)
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self.output(1, "%s.%s model: Running tests" % (model_dir, model_name))
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runner.run(dtest, clear_globs=True, out=sys.stdout.write)
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else:
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# Check that model known to be invalid is invalid for the right reasons.
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self.output(1, "%s.%s model: Validating" % (model_dir, model_name))
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from cStringIO import StringIO
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s = StringIO()
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count = management.get_validation_errors(s, mod)
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s.seek(0)
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error_log = s.read()
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actual = error_log.split('\n')
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expected = mod.error_log.split('\n')
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unexpected = [err for err in actual if err not in expected]
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missing = [err for err in expected if err not in actual]
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if unexpected or missing:
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unexpected_log = '\n'.join(unexpected)
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missing_log = '\n'.join(missing)
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log_error(model_name,
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"Validator found %d validation errors, %d expected" % (count, len(expected) - 1),
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"Missing errors:\n%s\n\nUnexpected errors:\n%s" % (missing_log, unexpected_log))
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if run_othertests:
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# Run the non-model tests in the other tests dir
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self.output(1, "Running other tests")
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other_tests_dir = os.path.join(os.path.dirname(__file__), OTHER_TESTS_DIR)
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test_modules = [f[:-3] for f in os.listdir(other_tests_dir) if f.endswith('.py') and not f.startswith('__init__')]
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for module in test_modules:
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self.output(1, "%s module: Importing" % module)
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try:
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mod = __import__("othertests." + module, '', '', [''])
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except Exception, e:
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log_error(module, "Error while importing", ''.join(traceback.format_exception(*sys.exc_info())[1:]))
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continue
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if mod.__doc__:
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p = doctest.DocTestParser()
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dtest = p.get_doctest(mod.__doc__, mod.__dict__, module, None, None)
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runner = DjangoDoctestRunner(verbosity_level=verbosity_level, verbose=False)
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self.output(1, "%s module: running tests" % module)
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runner.run(dtest, clear_globs=True, out=sys.stdout.write)
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if hasattr(mod, "run_tests") and callable(mod.run_tests):
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self.output(1, "%s module: running tests" % module)
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try:
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mod.run_tests(verbosity_level)
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except Exception, e:
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log_error(module, "Exception running tests", ''.join(traceback.format_exception(*sys.exc_info())[1:]))
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continue
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# Unless we're using SQLite, remove the test database to clean up after
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# ourselves. Connect to the previous database (not the test database)
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# to do so, because it's not allowed to delete a database while being
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# connected to it.
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if settings.DATABASE_ENGINE != "sqlite3":
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connection.close()
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settings.DATABASE_NAME = old_database_name
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cursor = connection.cursor()
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self.output(1, "Deleting test database")
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self._set_autocommit(connection)
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time.sleep(1) # To avoid "database is being accessed by other users" errors.
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cursor.execute("DROP DATABASE %s" % TEST_DATABASE_NAME)
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# Display output.
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if error_list:
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for d in error_list:
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print
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print d['title']
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print "=" * len(d['title'])
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print d['description']
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print "%s error%s:" % (len(error_list), len(error_list) != 1 and 's' or '')
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else:
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print "All tests passed."
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def _set_autocommit(self, connection):
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"""
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Make sure a connection is in autocommit mode.
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"""
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if hasattr(connection.connection, "autocommit"):
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connection.connection.autocommit(True)
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elif hasattr(connection.connection, "set_isolation_level"):
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connection.connection.set_isolation_level(0)
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if __name__ == "__main__":
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from optparse import OptionParser
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usage = "%prog [options] [model model model ...]"
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parser = OptionParser(usage=usage)
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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.',
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type='choice', choices=['0', '1', '2'])
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parser.add_option('--settings',
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help='Python path to settings module, e.g. "myproject.settings". If this isn\'t provided, the DJANGO_SETTINGS_MODULE environment variable will be used.')
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options, args = parser.parse_args()
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verbosity_level = 0
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if options.v:
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verbosity_level = int(options.v)
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if options.settings:
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os.environ['DJANGO_SETTINGS_MODULE'] = options.settings
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t = TestRunner(verbosity_level, args)
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t.run_tests()
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