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|
import pytest
import httpcore
def test_http11_connection():
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
with httpcore.HTTP11Connection(
origin=origin, stream=stream, keepalive_expiry=5.0
) as conn:
response = conn.request("GET", "https://example.com/")
assert response.status == 200
assert response.content == b"Hello, world!"
assert conn.is_idle()
assert not conn.is_closed()
assert conn.is_available()
assert not conn.has_expired()
assert (
repr(conn)
== "<HTTP11Connection ['https://example.com:443', IDLE, Request Count: 1]>"
)
def test_http11_connection_unread_response():
"""
If the client releases the response without reading it to termination,
then the connection will not be reusable.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
with httpcore.HTTP11Connection(origin=origin, stream=stream) as conn:
with conn.stream("GET", "https://example.com/") as response:
assert response.status == 200
assert not conn.is_idle()
assert conn.is_closed()
assert not conn.is_available()
assert not conn.has_expired()
assert (
repr(conn)
== "<HTTP11Connection ['https://example.com:443', CLOSED, Request Count: 1]>"
)
def test_http11_connection_with_remote_protocol_error():
"""
If a remote protocol error occurs, then no response will be returned,
and the connection will not be reusable.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream([b"Wait, this isn't valid HTTP!", b""])
with httpcore.HTTP11Connection(origin=origin, stream=stream) as conn:
with pytest.raises(httpcore.RemoteProtocolError):
conn.request("GET", "https://example.com/")
assert not conn.is_idle()
assert conn.is_closed()
assert not conn.is_available()
assert not conn.has_expired()
assert (
repr(conn)
== "<HTTP11Connection ['https://example.com:443', CLOSED, Request Count: 1]>"
)
def test_http11_connection_with_incomplete_response():
"""
We should be gracefully handling the case where the connection ends prematurely.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, wor",
]
)
with httpcore.HTTP11Connection(origin=origin, stream=stream) as conn:
with pytest.raises(httpcore.RemoteProtocolError):
conn.request("GET", "https://example.com/")
assert not conn.is_idle()
assert conn.is_closed()
assert not conn.is_available()
assert not conn.has_expired()
assert (
repr(conn)
== "<HTTP11Connection ['https://example.com:443', CLOSED, Request Count: 1]>"
)
def test_http11_connection_with_local_protocol_error():
"""
If a local protocol error occurs, then no response will be returned,
and the connection will not be reusable.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
with httpcore.HTTP11Connection(origin=origin, stream=stream) as conn:
with pytest.raises(httpcore.LocalProtocolError) as exc_info:
conn.request("GET", "https://example.com/", headers={"Host": "\0"})
assert str(exc_info.value) == "Illegal header value b'\\x00'"
assert not conn.is_idle()
assert conn.is_closed()
assert not conn.is_available()
assert not conn.has_expired()
assert (
repr(conn)
== "<HTTP11Connection ['https://example.com:443', CLOSED, Request Count: 1]>"
)
def test_http11_connection_handles_one_active_request():
"""
Attempting to send a request while one is already in-flight will raise
a ConnectionNotAvailable exception.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
with httpcore.HTTP11Connection(origin=origin, stream=stream) as conn:
with conn.stream("GET", "https://example.com/"):
with pytest.raises(httpcore.ConnectionNotAvailable):
conn.request("GET", "https://example.com/")
def test_http11_connection_attempt_close():
"""
A connection can only be closed when it is idle.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
with httpcore.HTTP11Connection(origin=origin, stream=stream) as conn:
with conn.stream("GET", "https://example.com/") as response:
response.read()
assert response.status == 200
assert response.content == b"Hello, world!"
def test_http11_request_to_incorrect_origin():
"""
A connection can only send requests to whichever origin it is connected to.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream([])
with httpcore.HTTP11Connection(origin=origin, stream=stream) as conn:
with pytest.raises(RuntimeError):
conn.request("GET", "https://other.com/")
def test_http11_expect_continue():
"""
HTTP "100 Continue" is an interim response.
We simply ignore it and return the final response.
https://httpwg.org/specs/rfc9110.html#status.100
https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/100
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 100 Continue\r\n",
b"\r\n",
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
with httpcore.HTTP11Connection(
origin=origin, stream=stream, keepalive_expiry=5.0
) as conn:
response = conn.request(
"GET",
"https://example.com/",
headers={"Expect": "continue"},
)
assert response.status == 200
assert response.content == b"Hello, world!"
def test_http11_upgrade_connection():
"""
HTTP "101 Switching Protocols" indicates an upgraded connection.
We should return the response, so that the network stream
may be used for the upgraded connection.
https://httpwg.org/specs/rfc9110.html#status.101
https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/101
"""
origin = httpcore.Origin(b"wss", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 101 Switching Protocols\r\n",
b"Connection: upgrade\r\n",
b"Upgrade: custom\r\n",
b"\r\n",
b"...",
]
)
with httpcore.HTTP11Connection(
origin=origin, stream=stream, keepalive_expiry=5.0
) as conn:
with conn.stream(
"GET",
"wss://example.com/",
headers={"Connection": "upgrade", "Upgrade": "custom"},
) as response:
assert response.status == 101
network_stream = response.extensions["network_stream"]
content = network_stream.read(max_bytes=1024)
assert content == b"..."
def test_http11_upgrade_with_trailing_data():
"""
HTTP "101 Switching Protocols" indicates an upgraded connection.
In `CONNECT` and `Upgrade:` requests, we need to handover the trailing data
in the h11.Connection object.
https://h11.readthedocs.io/en/latest/api.html#switching-protocols
"""
origin = httpcore.Origin(b"wss", b"example.com", 443)
stream = httpcore.MockStream(
# The first element of this mock network stream buffer simulates networking
# in which response headers and data are received at once.
# This means that "foobar" becomes trailing data.
[
(
b"HTTP/1.1 101 Switching Protocols\r\n"
b"Connection: upgrade\r\n"
b"Upgrade: custom\r\n"
b"\r\n"
b"foobar"
),
b"baz",
]
)
with httpcore.HTTP11Connection(
origin=origin, stream=stream, keepalive_expiry=5.0
) as conn:
with conn.stream(
"GET",
"wss://example.com/",
headers={"Connection": "upgrade", "Upgrade": "custom"},
) as response:
assert response.status == 101
network_stream = response.extensions["network_stream"]
content = network_stream.read(max_bytes=3)
assert content == b"foo"
content = network_stream.read(max_bytes=3)
assert content == b"bar"
content = network_stream.read(max_bytes=3)
assert content == b"baz"
# Lazy tests for HTTP11UpgradeStream
network_stream.write(b"spam")
invalid = network_stream.get_extra_info("invalid")
assert invalid is None
network_stream.close()
def test_http11_early_hints():
"""
HTTP "103 Early Hints" is an interim response.
We simply ignore it and return the final response.
https://datatracker.ietf.org/doc/rfc8297/
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 103 Early Hints\r\n",
b"Link: </style.css>; rel=preload; as=style\r\n",
b"Link: </script.js.css>; rel=preload; as=style\r\n",
b"\r\n",
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: text/html; charset=utf-8\r\n",
b"Content-Length: 30\r\n",
b"Link: </style.css>; rel=preload; as=style\r\n",
b"Link: </script.js>; rel=preload; as=script\r\n",
b"\r\n",
b"<html>Hello, world! ...</html>",
]
)
with httpcore.HTTP11Connection(
origin=origin, stream=stream, keepalive_expiry=5.0
) as conn:
response = conn.request(
"GET",
"https://example.com/",
headers={"Expect": "continue"},
)
assert response.status == 200
assert response.content == b"<html>Hello, world! ...</html>"
def test_http11_header_sub_100kb():
"""
A connection should be able to handle a http header size up to 100kB.
"""
origin = httpcore.Origin(b"https", b"example.com", 443)
stream = httpcore.MockStream(
[
b"HTTP/1.1 200 OK\r\n", # 17
b"Content-Type: plain/text\r\n", # 43
b"Cookie: " + b"x" * (100 * 1024 - 72) + b"\r\n", # 102381
b"Content-Length: 0\r\n", # 102400
b"\r\n",
b"",
]
)
with httpcore.HTTP11Connection(
origin=origin, stream=stream, keepalive_expiry=5.0
) as conn:
response = conn.request("GET", "https://example.com/")
assert response.status == 200
assert response.content == b""
|
