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|
import pytest
from sse_starlette.event import ServerSentEvent, JSONServerSentEvent, ensure_bytes
@pytest.mark.parametrize(
"input, expected",
[
("foo", b"data: foo\r\n\r\n"),
(dict(data="foo", event="bar"), b"event: bar\r\ndata: foo\r\n\r\n"),
(
dict(data="foo", event="bar", id="xyz"),
b"id: xyz\r\nevent: bar\r\ndata: foo\r\n\r\n",
),
(
dict(data="foo", event="bar", id="xyz", retry=1),
b"id: xyz\r\nevent: bar\r\ndata: foo\r\nretry: 1\r\n\r\n",
),
(
dict(data="foo", event="bar", id="xyz", retry=1, sep="\n"),
b"id: xyz\nevent: bar\ndata: foo\nretry: 1\n\n",
),
(
dict(comment="a comment"),
b": a comment\r\n\r\n",
),
(
dict(data="foo", comment="a comment"),
b": a comment\r\ndata: foo\r\n\r\n",
),
],
)
def test_server_sent_event(input, expected):
print(input, expected)
if isinstance(input, str):
assert ServerSentEvent(input).encode() == expected
else:
assert ServerSentEvent(**input).encode() == expected
@pytest.mark.parametrize(
"input, expected",
[
(dict(data={"foo": "bar"}), b'data: {"foo":"bar"}\r\n\r\n'),
(
dict(data={"foo": "bar"}, event="baz"),
b'event: baz\r\ndata: {"foo":"bar"}\r\n\r\n',
),
(
dict(data={"foo": "bar"}, event="baz", id="xyz"),
b'id: xyz\r\nevent: baz\r\ndata: {"foo":"bar"}\r\n\r\n',
),
(
dict(data={"foo": "bar"}, event="baz", id="xyz", retry=1),
b'id: xyz\r\nevent: baz\r\ndata: {"foo":"bar"}\r\nretry: 1\r\n\r\n',
),
(
dict(comment="a comment"),
b": a comment\r\n\r\n",
),
(
dict(data={"foo": "bar"}, comment="a comment"),
b': a comment\r\ndata: {"foo":"bar"}\r\n\r\n',
),
],
)
def test_json_server_sent_event(input, expected):
assert JSONServerSentEvent(**input).encode() == expected
@pytest.mark.parametrize(
"input, expected",
[
(b"data: foo\r\n\r\n", b"data: foo\r\n\r\n"),
("foo", b"data: foo\n\n"),
(dict(data="foo", event="bar"), b"event: bar\ndata: foo\n\n"),
],
)
def test_ensure_bytes(input, expected):
assert ensure_bytes(input, sep="\n") == expected
@pytest.mark.parametrize(
"stream_sep,line_sep",
[
("\n", "\n"),
("\n", "\r"),
("\n", "\r\n"),
("\r", "\n"),
("\r", "\r"),
("\r", "\r\n"),
("\r\n", "\n"),
("\r\n", "\r"),
("\r\n", "\r\n"),
],
ids=(
"stream-LF:line-LF",
"stream-LF:line-CR",
"stream-LF:line-CR+LF",
"stream-CR:line-LF",
"stream-CR:line-CR",
"stream-CR:line-CR+LF",
"stream-CR+LF:line-LF",
"stream-CR+LF:line-CR",
"stream-CR+LF:line-CR+LF",
),
)
def test_multiline_data(stream_sep, line_sep):
lines = line_sep.join(["foo", "bar", "xyz"])
result = ServerSentEvent(lines, event="event", sep=stream_sep).encode()
assert (
result
== "event: event{0}data: foo{0}data: bar{0}data: xyz{0}{0}".format(
stream_sep
).encode()
)
@pytest.mark.parametrize("sep", ["\n", "\r", "\r\n"], ids=("LF", "CR", "CR+LF"))
def test_custom_sep(sep):
result = ServerSentEvent("foo", event="event", sep=sep).encode()
assert result == "event: event{0}data: foo{0}{0}".format(sep).encode()
def test_retry_is_int():
response = ServerSentEvent(0, retry=1)
assert response.retry == 1
with pytest.raises(TypeError) as ctx:
_ = ServerSentEvent(0, retry="ten").encode() # type: ignore
assert str(ctx.value) == "retry argument must be int"
|
