Repository navigation
Expand file tree
/
Copy pathtest_streaming.py
More file actions
248 lines (182 loc) · 7.8 KB
/
Copy pathtest_streaming.py
File metadata and controls
248 lines (182 loc) · 7.8 KB
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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
from __future__ import annotations
from typing import Iterator, AsyncIterator
import httpx
import pytest
from unlayer import Unlayer, AsyncUnlayer
from unlayer._streaming import Stream, AsyncStream, ServerSentEvent
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_basic(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b"event: completion\n"
yield b'data: {"foo":true}\n'
yield b"\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event == "completion"
assert sse.json() == {"foo": True}
await assert_empty_iter(iterator)
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_data_missing_event(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b'data: {"foo":true}\n'
yield b"\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event is None
assert sse.json() == {"foo": True}
await assert_empty_iter(iterator)
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_event_missing_data(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b"event: ping\n"
yield b"\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event == "ping"
assert sse.data == ""
await assert_empty_iter(iterator)
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_multiple_events(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b"event: ping\n"
yield b"\n"
yield b"event: completion\n"
yield b"\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event == "ping"
assert sse.data == ""
sse = await iter_next(iterator)
assert sse.event == "completion"
assert sse.data == ""
await assert_empty_iter(iterator)
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_multiple_events_with_data(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b"event: ping\n"
yield b'data: {"foo":true}\n'
yield b"\n"
yield b"event: completion\n"
yield b'data: {"bar":false}\n'
yield b"\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event == "ping"
assert sse.json() == {"foo": True}
sse = await iter_next(iterator)
assert sse.event == "completion"
assert sse.json() == {"bar": False}
await assert_empty_iter(iterator)
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_multiple_data_lines_with_empty_line(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b"event: ping\n"
yield b"data: {\n"
yield b'data: "foo":\n'
yield b"data: \n"
yield b"data:\n"
yield b"data: true}\n"
yield b"\n\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event == "ping"
assert sse.json() == {"foo": True}
assert sse.data == '{\n"foo":\n\n\ntrue}'
await assert_empty_iter(iterator)
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_data_json_escaped_double_new_line(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b"event: ping\n"
yield b'data: {"foo": "my long\\n\\ncontent"}'
yield b"\n\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event == "ping"
assert sse.json() == {"foo": "my long\n\ncontent"}
await assert_empty_iter(iterator)
@pytest.mark.asyncio
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_multiple_data_lines(sync: bool, client: Unlayer, async_client: AsyncUnlayer) -> None:
def body() -> Iterator[bytes]:
yield b"event: ping\n"
yield b"data: {\n"
yield b'data: "foo":\n'
yield b"data: true}\n"
yield b"\n\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event == "ping"
assert sse.json() == {"foo": True}
await assert_empty_iter(iterator)
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_special_new_line_character(
sync: bool,
client: Unlayer,
async_client: AsyncUnlayer,
) -> None:
def body() -> Iterator[bytes]:
yield b'data: {"content":" culpa"}\n'
yield b"\n"
yield b'data: {"content":" \xe2\x80\xa8"}\n'
yield b"\n"
yield b'data: {"content":"foo"}\n'
yield b"\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event is None
assert sse.json() == {"content": " culpa"}
sse = await iter_next(iterator)
assert sse.event is None
assert sse.json() == {"content": "
"}
sse = await iter_next(iterator)
assert sse.event is None
assert sse.json() == {"content": "foo"}
await assert_empty_iter(iterator)
@pytest.mark.parametrize("sync", [True, False], ids=["sync", "async"])
async def test_multi_byte_character_multiple_chunks(
sync: bool,
client: Unlayer,
async_client: AsyncUnlayer,
) -> None:
def body() -> Iterator[bytes]:
yield b'data: {"content":"'
# bytes taken from the string 'известни' and arbitrarily split
# so that some multi-byte characters span multiple chunks
yield b"\xd0"
yield b"\xb8\xd0\xb7\xd0"
yield b"\xb2\xd0\xb5\xd1\x81\xd1\x82\xd0\xbd\xd0\xb8"
yield b'"}\n'
yield b"\n"
iterator = make_event_iterator(content=body(), sync=sync, client=client, async_client=async_client)
sse = await iter_next(iterator)
assert sse.event is None
assert sse.json() == {"content": "известни"}
async def to_aiter(iter: Iterator[bytes]) -> AsyncIterator[bytes]:
for chunk in iter:
yield chunk
async def iter_next(iter: Iterator[ServerSentEvent] | AsyncIterator[ServerSentEvent]) -> ServerSentEvent:
if isinstance(iter, AsyncIterator):
return await iter.__anext__()
return next(iter)
async def assert_empty_iter(iter: Iterator[ServerSentEvent] | AsyncIterator[ServerSentEvent]) -> None:
with pytest.raises((StopAsyncIteration, RuntimeError)):
await iter_next(iter)
def make_event_iterator(
content: Iterator[bytes],
*,
sync: bool,
client: Unlayer,
async_client: AsyncUnlayer,
) -> Iterator[ServerSentEvent] | AsyncIterator[ServerSentEvent]:
if sync:
return Stream(cast_to=object, client=client, response=httpx.Response(200, content=content))._iter_events()
return AsyncStream(
cast_to=object, client=async_client, response=httpx.Response(200, content=to_aiter(content))
)._iter_events()