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import json
import unittest
import datetime
from decimal import Decimal
from twisted.internet import defer
from scrapy.utils.serialize import ScrapyJSONEncoder
from scrapy.http import Request, Response
class JsonEncoderTestCase(unittest.TestCase):
def setUp(self):
self.encoder = ScrapyJSONEncoder()
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))
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)
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