1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
import json
import falcon
import falcon.testing as testing
import six
def capture_error(ex, req, resp, params):
resp.status = falcon.HTTP_723
resp.body = 'error: %s' % str(ex)
def handle_error_first(ex, req, resp, params):
resp.status = falcon.HTTP_200
resp.body = 'first error handler'
class CustomBaseException(Exception):
pass
class CustomException(CustomBaseException):
@staticmethod
def handle(ex, req, resp, params):
raise falcon.HTTPError(
falcon.HTTP_792,
six.u('Internet crashed!'),
six.u('Catastrophic weather event'),
href=six.u('http://example.com/api/inconvenient-truth'),
href_text=six.u('Drill, baby drill!'))
class ErroredClassResource(object):
def on_get(self, req, resp):
raise Exception('Plain Exception')
def on_head(self, req, resp):
raise CustomBaseException('CustomBaseException')
def on_delete(self, req, resp):
raise CustomException('CustomException')
class TestErrorHandler(testing.TestBase):
def test_caught_error(self):
self.api.add_error_handler(Exception, capture_error)
self.api.add_route(self.test_route, ErroredClassResource())
body = self.simulate_request(self.test_route)
self.assertEqual([b'error: Plain Exception'], body)
body = self.simulate_request(self.test_route, method='HEAD')
self.assertEqual(falcon.HTTP_723, self.srmock.status)
self.assertEqual([], body)
def test_uncaught_error(self):
self.api.add_error_handler(CustomException, capture_error)
self.api.add_route(self.test_route, ErroredClassResource())
self.assertRaises(Exception,
self.simulate_request, self.test_route)
def test_uncaught_error_else(self):
self.api.add_route(self.test_route, ErroredClassResource())
self.assertRaises(Exception,
self.simulate_request, self.test_route)
def test_converted_error(self):
self.api.add_error_handler(CustomException)
self.api.add_route(self.test_route, ErroredClassResource())
body = self.simulate_request(self.test_route, method='DELETE')
self.assertEqual(falcon.HTTP_792, self.srmock.status)
info = json.loads(body[0].decode())
self.assertEqual('Internet crashed!', info['title'])
def test_handle_not_defined(self):
self.assertRaises(AttributeError,
self.api.add_error_handler, CustomBaseException)
def test_subclass_error(self):
self.api.add_error_handler(CustomBaseException, capture_error)
self.api.add_route(self.test_route, ErroredClassResource())
body = self.simulate_request(self.test_route, method='DELETE')
self.assertEqual(falcon.HTTP_723, self.srmock.status)
self.assertEqual([b'error: CustomException'], body)
def test_error_order(self):
self.api.add_error_handler(Exception, capture_error)
self.api.add_error_handler(Exception, handle_error_first)
self.api.add_route(self.test_route, ErroredClassResource())
body = self.simulate_request(self.test_route)
self.assertEqual([b'first error handler'], body)
|
