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
|
import datetime
import json
import unittest
from decimal import Decimal
import attr
from twisted.internet import defer
from scrapy.http import Request, Response
from scrapy.utils.serialize import ScrapyJSONEncoder
try:
from dataclasses import make_dataclass
except ImportError:
make_dataclass = None
class JsonEncoderTestCase(unittest.TestCase):
def setUp(self):
self.encoder = ScrapyJSONEncoder(sort_keys=True)
def test_encode_decode(self):
dt = datetime.datetime(2010, 1, 2, 10, 11, 12)
dts = "2010-01-02 10:11:12"
d = datetime.date(2010, 1, 2)
ds = "2010-01-02"
t = datetime.time(10, 11, 12)
ts = "10:11:12"
dec = Decimal("1000.12")
decs = "1000.12"
s = {'foo'}
ss = ['foo']
dt_set = {dt}
dt_sets = [dts]
for input, output in [('foo', 'foo'), (d, ds), (t, ts), (dt, dts),
(dec, decs), (['foo', d], ['foo', ds]), (s, ss),
(dt_set, dt_sets)]:
self.assertEqual(self.encoder.encode(input),
json.dumps(output, sort_keys=True))
def test_encode_deferred(self):
self.assertIn('Deferred', self.encoder.encode(defer.Deferred()))
def test_encode_request(self):
r = Request("http://www.example.com/lala")
rs = self.encoder.encode(r)
self.assertIn(r.method, rs)
self.assertIn(r.url, rs)
def test_encode_response(self):
r = Response("http://www.example.com/lala")
rs = self.encoder.encode(r)
self.assertIn(r.url, rs)
self.assertIn(str(r.status), rs)
@unittest.skipIf(not make_dataclass, "No dataclass support")
def test_encode_dataclass_item(self):
TestDataClass = make_dataclass(
"TestDataClass",
[("name", str), ("url", str), ("price", int)],
)
item = TestDataClass(name="Product", url="http://product.org", price=1)
encoded = self.encoder.encode(item)
self.assertEqual(
encoded,
'{"name": "Product", "price": 1, "url": "http://product.org"}'
)
def test_encode_attrs_item(self):
@attr.s
class AttrsItem:
name = attr.ib(type=str)
url = attr.ib(type=str)
price = attr.ib(type=int)
item = AttrsItem(name="Product", url="http://product.org", price=1)
encoded = self.encoder.encode(item)
self.assertEqual(
encoded,
'{"name": "Product", "price": 1, "url": "http://product.org"}'
)
|
