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# -*- coding: utf-8 -*-
from werkzeug.exceptions import Forbidden, InternalServerError
import flask
def test_error_handler_subclass():
app = flask.Flask(__name__)
class ParentException(Exception):
pass
class ChildExceptionUnregistered(ParentException):
pass
class ChildExceptionRegistered(ParentException):
pass
@app.errorhandler(ParentException)
def parent_exception_handler(e):
assert isinstance(e, ParentException)
return 'parent'
@app.errorhandler(ChildExceptionRegistered)
def child_exception_handler(e):
assert isinstance(e, ChildExceptionRegistered)
return 'child-registered'
@app.route('/parent')
def parent_test():
raise ParentException()
@app.route('/child-unregistered')
def unregistered_test():
raise ChildExceptionUnregistered()
@app.route('/child-registered')
def registered_test():
raise ChildExceptionRegistered()
c = app.test_client()
assert c.get('/parent').data == b'parent'
assert c.get('/child-unregistered').data == b'parent'
assert c.get('/child-registered').data == b'child-registered'
def test_error_handler_http_subclass():
app = flask.Flask(__name__)
class ForbiddenSubclassRegistered(Forbidden):
pass
class ForbiddenSubclassUnregistered(Forbidden):
pass
@app.errorhandler(403)
def code_exception_handler(e):
assert isinstance(e, Forbidden)
return 'forbidden'
@app.errorhandler(ForbiddenSubclassRegistered)
def subclass_exception_handler(e):
assert isinstance(e, ForbiddenSubclassRegistered)
return 'forbidden-registered'
@app.route('/forbidden')
def forbidden_test():
raise Forbidden()
@app.route('/forbidden-registered')
def registered_test():
raise ForbiddenSubclassRegistered()
@app.route('/forbidden-unregistered')
def unregistered_test():
raise ForbiddenSubclassUnregistered()
c = app.test_client()
assert c.get('/forbidden').data == b'forbidden'
assert c.get('/forbidden-unregistered').data == b'forbidden'
assert c.get('/forbidden-registered').data == b'forbidden-registered'
def test_error_handler_blueprint():
bp = flask.Blueprint('bp', __name__)
@bp.errorhandler(500)
def bp_exception_handler(e):
return 'bp-error'
@bp.route('/error')
def bp_test():
raise InternalServerError()
app = flask.Flask(__name__)
@app.errorhandler(500)
def app_exception_handler(e):
return 'app-error'
@app.route('/error')
def app_test():
raise InternalServerError()
app.register_blueprint(bp, url_prefix='/bp')
c = app.test_client()
assert c.get('/error').data == b'app-error'
assert c.get('/bp/error').data == b'bp-error'