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from paste.fixture import *
from paste.cgitb_catcher import CgitbMiddleware
from paste import lint
from .test_exceptions.test_error_middleware import clear_middleware
def do_request(app, expect_status=500):
app = lint.middleware(app)
app = CgitbMiddleware(app, {}, display=True)
app = clear_middleware(app)
testapp = TestApp(app)
res = testapp.get('', status=expect_status,
expect_errors=True)
return res
############################################################
## Applications that raise exceptions
############################################################
def bad_app():
"No argument list!"
return None
def start_response_app(environ, start_response):
"raise error before start_response"
raise ValueError("hi")
def after_start_response_app(environ, start_response):
start_response("200 OK", [('Content-type', 'text/plain')])
raise ValueError('error2')
def iter_app(environ, start_response):
start_response("200 OK", [('Content-type', 'text/plain')])
return yielder([b'this', b' is ', b' a', None])
def yielder(args):
for arg in args:
if arg is None:
raise ValueError("None raises error")
yield arg
############################################################
## Tests
############################################################
def test_makes_exception():
res = do_request(bad_app)
print(res)
if six.PY3:
assert 'bad_app() takes 0 positional arguments but 2 were given' in res
else:
assert 'bad_app() takes no arguments (2 given' in res
assert 'iterator = application(environ, start_response_wrapper)' in res
assert 'lint.py' in res
assert 'cgitb_catcher.py' in res
def test_start_res():
res = do_request(start_response_app)
print(res)
assert 'ValueError: hi' in res
assert 'test_cgitb_catcher.py' in res
assert 'line 26, in start_response_app' in res
def test_after_start():
res = do_request(after_start_response_app, 200)
print(res)
assert 'ValueError: error2' in res
assert 'line 30' in res
def test_iter_app():
res = do_request(iter_app, 200)
print(res)
assert 'None raises error' in res
assert 'yielder' in res
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