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|
import json
import pytest
import falcon
from falcon import errors
from falcon import media
from falcon import testing
try:
import msgpack
except ImportError:
msgpack = None
@pytest.fixture
def client():
return create_client()
def create_client(handlers=None):
res = testing.SimpleTestResource()
app = falcon.App()
app.add_route('/', res)
if handlers:
app.resp_options.media_handlers.update(handlers)
client = testing.TestClient(app)
client.resource = res
return client
class SimpleMediaResource:
def __init__(self, document, media_type=falcon.MEDIA_JSON):
self._document = document
self._media_type = media_type
def on_get(self, req, resp):
resp.content_type = self._media_type
resp.media = self._document
resp.status = falcon.HTTP_OK
@pytest.mark.parametrize(
'media_type',
[
('*/*'),
(falcon.MEDIA_JSON),
('application/json; charset=utf-8'),
],
)
def test_json(client, media_type):
client.simulate_get('/')
resp = client.resource.captured_resp
resp.content_type = media_type
resp.media = {'something': True}
assert json.loads(resp.render_body().decode('utf-8')) == {'something': True}
@pytest.mark.parametrize(
'document',
[
'',
'I am a \u1d0a\ua731\u1d0f\u0274 string.',
['\u2665', '\u2660', '\u2666', '\u2663'],
{'message': '\xa1Hello Unicode! \U0001f638'},
{
'description': 'A collection of primitive Python type examples.',
'bool': False is not True and True is not False,
'dict': {'example': 'mapping'},
'float': 1.0,
'int': 1337,
'list': ['a', 'sequence', 'of', 'items'],
'none': None,
'str': 'ASCII string',
'unicode': 'Hello Unicode! \U0001f638',
},
],
)
def test_non_ascii_json_serialization(document):
app = falcon.App()
app.add_route('/', SimpleMediaResource(document))
client = testing.TestClient(app)
resp = client.simulate_get('/')
assert resp.json == document
@pytest.mark.parametrize(
'media_type',
[
(falcon.MEDIA_MSGPACK),
('application/msgpack; charset=utf-8'),
('application/x-msgpack'),
],
)
@pytest.mark.skipif(msgpack is None, reason='msgpack is required for this test')
def test_msgpack(media_type):
client = create_client(
{
'application/msgpack': media.MessagePackHandler(),
'application/x-msgpack': media.MessagePackHandler(),
}
)
client.simulate_get('/')
resp = client.resource.captured_resp
resp.content_type = media_type
# Bytes
resp.media = {b'something': True}
assert resp.render_body() == b'\x81\xc4\tsomething\xc3'
# Unicode
resp.media = {'something': True}
assert resp.render_body() == b'\x81\xa9something\xc3'
def test_unknown_media_type(client):
client.simulate_get('/')
resp = client.resource.captured_resp
with pytest.raises(errors.HTTPUnsupportedMediaType) as err:
resp.content_type = 'nope/json'
resp.media = {'something': True}
resp.render_body()
assert err.value.description == 'nope/json is an unsupported media type.'
def test_use_cached_media(client):
client.simulate_get('/')
resp = client.resource.captured_resp
expected = {'something': True}
resp._media = expected
assert resp.media == expected
def test_default_media_type(client):
client.simulate_get('/')
resp = client.resource.captured_resp
resp.content_type = ''
resp.media = {'something': True}
assert json.loads(resp.render_body().decode('utf-8')) == {'something': True}
assert resp.content_type == 'application/json'
def test_mimeparse_edgecases(client):
client.simulate_get('/')
resp = client.resource.captured_resp
resp.content_type = 'application/vnd.something'
with pytest.raises(errors.HTTPUnsupportedMediaType):
resp.media = {'something': True}
resp.render_body()
resp.content_type = 'invalid'
with pytest.raises(errors.HTTPUnsupportedMediaType):
resp.media = {'something': True}
resp.render_body()
# Clear the content type, shouldn't raise this time
resp.content_type = None
resp.media = {'something': True}
class TestRenderBodyPrecedence:
def test_text(self, client):
client.simulate_get('/')
resp = client.resource.captured_resp
resp.text = 'body'
resp.data = b'data'
resp.media = ['media']
assert resp.render_body() == b'body'
def test_data(self, client):
client.simulate_get('/')
resp = client.resource.captured_resp
resp.data = b'data'
resp.media = ['media']
assert resp.render_body() == b'data'
def test_media(self, client):
client.simulate_get('/')
resp = client.resource.captured_resp
resp.media = ['media']
assert json.loads(resp.render_body().decode('utf-8')) == ['media']
def test_media_rendered_cached(client):
client.simulate_get('/')
resp = client.resource.captured_resp
resp.media = {'foo': 'bar'}
first = resp.render_body()
assert first is resp.render_body()
assert first is resp._media_rendered
resp.media = 123
assert first is not resp.render_body()
|
