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# -*- coding: utf-8 -*-
"""
flask.testsuite.config
~~~~~~~~~~~~~~~~~~~~~~
Configuration and instances.
:copyright: (c) 2011 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
import os
import sys
import flask
import unittest
from flask.testsuite import FlaskTestCase
# config keys used for the ConfigTestCase
TEST_KEY = 'foo'
SECRET_KEY = 'devkey'
class ConfigTestCase(FlaskTestCase):
def common_object_test(self, app):
self.assert_equal(app.secret_key, 'devkey')
self.assert_equal(app.config['TEST_KEY'], 'foo')
self.assert_('ConfigTestCase' not in app.config)
def test_config_from_file(self):
app = flask.Flask(__name__)
app.config.from_pyfile(__file__.rsplit('.', 1)[0] + '.py')
self.common_object_test(app)
def test_config_from_object(self):
app = flask.Flask(__name__)
app.config.from_object(__name__)
self.common_object_test(app)
def test_config_from_class(self):
class Base(object):
TEST_KEY = 'foo'
class Test(Base):
SECRET_KEY = 'devkey'
app = flask.Flask(__name__)
app.config.from_object(Test)
self.common_object_test(app)
def test_config_from_envvar(self):
env = os.environ
try:
os.environ = {}
app = flask.Flask(__name__)
try:
app.config.from_envvar('FOO_SETTINGS')
except RuntimeError, e:
self.assert_("'FOO_SETTINGS' is not set" in str(e))
else:
self.assert_(0, 'expected exception')
self.assert_(not app.config.from_envvar('FOO_SETTINGS', silent=True))
os.environ = {'FOO_SETTINGS': __file__.rsplit('.', 1)[0] + '.py'}
self.assert_(app.config.from_envvar('FOO_SETTINGS'))
self.common_object_test(app)
finally:
os.environ = env
def test_config_missing(self):
app = flask.Flask(__name__)
try:
app.config.from_pyfile('missing.cfg')
except IOError, e:
msg = str(e)
self.assert_(msg.startswith('[Errno 2] Unable to load configuration '
'file (No such file or directory):'))
self.assert_(msg.endswith("missing.cfg'"))
else:
self.assert_(0, 'expected config')
self.assert_(not app.config.from_pyfile('missing.cfg', silent=True))
def test_session_lifetime(self):
app = flask.Flask(__name__)
app.config['PERMANENT_SESSION_LIFETIME'] = 42
self.assert_equal(app.permanent_session_lifetime.seconds, 42)
class InstanceTestCase(FlaskTestCase):
def test_explicit_instance_paths(self):
here = os.path.abspath(os.path.dirname(__file__))
try:
flask.Flask(__name__, instance_path='instance')
except ValueError, e:
self.assert_('must be absolute' in str(e))
else:
self.fail('Expected value error')
app = flask.Flask(__name__, instance_path=here)
self.assert_equal(app.instance_path, here)
def test_uninstalled_module_paths(self):
from config_module_app import app
here = os.path.abspath(os.path.dirname(__file__))
self.assert_equal(app.instance_path, os.path.join(here, 'test_apps', 'instance'))
def test_uninstalled_package_paths(self):
from config_package_app import app
here = os.path.abspath(os.path.dirname(__file__))
self.assert_equal(app.instance_path, os.path.join(here, 'test_apps', 'instance'))
def test_installed_module_paths(self):
import types
expected_prefix = os.path.abspath('foo')
mod = types.ModuleType('myapp')
mod.__file__ = os.path.join(expected_prefix, 'lib', 'python2.5',
'site-packages', 'myapp.py')
sys.modules['myapp'] = mod
try:
mod.app = flask.Flask(mod.__name__)
self.assert_equal(mod.app.instance_path,
os.path.join(expected_prefix, 'var',
'myapp-instance'))
finally:
sys.modules['myapp'] = None
def test_installed_package_paths(self):
import types
expected_prefix = os.path.abspath('foo')
package_path = os.path.join(expected_prefix, 'lib', 'python2.5',
'site-packages', 'myapp')
mod = types.ModuleType('myapp')
mod.__path__ = [package_path]
mod.__file__ = os.path.join(package_path, '__init__.py')
sys.modules['myapp'] = mod
try:
mod.app = flask.Flask(mod.__name__)
self.assert_equal(mod.app.instance_path,
os.path.join(expected_prefix, 'var',
'myapp-instance'))
finally:
sys.modules['myapp'] = None
def test_prefix_installed_paths(self):
import types
expected_prefix = os.path.abspath(sys.prefix)
package_path = os.path.join(expected_prefix, 'lib', 'python2.5',
'site-packages', 'myapp')
mod = types.ModuleType('myapp')
mod.__path__ = [package_path]
mod.__file__ = os.path.join(package_path, '__init__.py')
sys.modules['myapp'] = mod
try:
mod.app = flask.Flask(mod.__name__)
self.assert_equal(mod.app.instance_path,
os.path.join(expected_prefix, 'var',
'myapp-instance'))
finally:
sys.modules['myapp'] = None
def test_egg_installed_paths(self):
import types
expected_prefix = os.path.abspath(sys.prefix)
package_path = os.path.join(expected_prefix, 'lib', 'python2.5',
'site-packages', 'MyApp.egg', 'myapp')
mod = types.ModuleType('myapp')
mod.__path__ = [package_path]
mod.__file__ = os.path.join(package_path, '__init__.py')
sys.modules['myapp'] = mod
try:
mod.app = flask.Flask(mod.__name__)
self.assert_equal(mod.app.instance_path,
os.path.join(expected_prefix, 'var',
'myapp-instance'))
finally:
sys.modules['myapp'] = None
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(ConfigTestCase))
suite.addTest(unittest.makeSuite(InstanceTestCase))
return suite
|
