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# (c) 2007 Philip Jenvey; written for Paste (http://pythonpaste.org)
# Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
from nose.tools import assert_raises
from paste.config import CONFIG, ConfigMiddleware
from paste.fixture import TestApp
import six
test_key = 'test key'
def reset_config():
while True:
try:
CONFIG._pop_object()
except IndexError:
break
def app_with_config(environ, start_response):
start_response('200 OK', [('Content-type','text/plain')])
lines = ['Variable is: %s\n' % CONFIG[test_key],
'Variable is (in environ): %s' % environ['paste.config'][test_key]]
if six.PY3:
lines = [line.encode('utf8') for line in lines]
return lines
class NestingAppWithConfig(object):
def __init__(self, app):
self.app = app
def __call__(self, environ, start_response):
response = self.app(environ, start_response)
assert isinstance(response, list)
supplement = ['Nesting variable is: %s' % CONFIG[test_key],
'Nesting variable is (in environ): %s' % \
environ['paste.config'][test_key]]
if six.PY3:
supplement = [line.encode('utf8') for line in supplement]
response.extend(supplement)
return response
def test_request_config():
try:
config = {test_key: 'test value'}
app = ConfigMiddleware(app_with_config, config)
res = TestApp(app).get('/')
assert 'Variable is: test value' in res
assert 'Variable is (in environ): test value' in res
finally:
reset_config()
def test_request_config_multi():
try:
config = {test_key: 'test value'}
app = ConfigMiddleware(app_with_config, config)
config = {test_key: 'nesting value'}
app = ConfigMiddleware(NestingAppWithConfig(app), config)
res = TestApp(app).get('/')
assert 'Variable is: test value' in res
assert 'Variable is (in environ): test value' in res
assert 'Nesting variable is: nesting value' in res
print(res)
assert 'Nesting variable is (in environ): nesting value' in res
finally:
reset_config()
def test_process_config(request_app=test_request_config):
try:
process_config = {test_key: 'bar', 'process_var': 'foo'}
CONFIG.push_process_config(process_config)
assert CONFIG[test_key] == 'bar'
assert CONFIG['process_var'] == 'foo'
request_app()
assert CONFIG[test_key] == 'bar'
assert CONFIG['process_var'] == 'foo'
CONFIG.pop_process_config()
assert_raises(AttributeError, lambda: 'process_var' not in CONFIG)
assert_raises(IndexError, CONFIG.pop_process_config)
finally:
reset_config()
def test_process_config_multi():
test_process_config(test_request_config_multi)
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