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# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import gzip
import ssl
import warnings
from unittest.mock import Mock, patch
import pytest
import requests
from requests.auth import HTTPBasicAuth
from elastic_transport import NodeConfig, RequestsHttpNode
from elastic_transport._node._base import DEFAULT_USER_AGENT
class TestRequestsHttpNode:
def _get_mock_node(self, node_config, response_body=b"{}"):
node = RequestsHttpNode(node_config)
def _dummy_send(*args, **kwargs):
dummy_response = Mock()
dummy_response.headers = {}
dummy_response.status_code = 200
dummy_response.content = response_body
dummy_response.request = args[0]
dummy_response.cookies = {}
_dummy_send.call_args = (args, kwargs)
return dummy_response
node.session.send = _dummy_send
return node
def _get_request(self, node, *args, **kwargs) -> requests.PreparedRequest:
resp, data = node.perform_request(*args, **kwargs)
status = resp.status
assert 200 == status
assert b"{}" == data
timeout = kwargs.pop("request_timeout", node.config.request_timeout)
args, kwargs = node.session.send.call_args
assert timeout == kwargs["timeout"]
assert 1 == len(args)
return args[0]
def test_close_session(self):
node = RequestsHttpNode(NodeConfig("http", "localhost", 80))
with patch.object(node.session, "close") as pool_close:
node.close()
pool_close.assert_called_with()
def test_ssl_context(self):
ctx = ssl.create_default_context()
node = RequestsHttpNode(NodeConfig("https", "localhost", 80, ssl_context=ctx))
adapter = node.session.get_adapter("https://localhost:80")
assert adapter.poolmanager.connection_pool_kw["ssl_context"] is ctx
def test_merge_headers(self):
node = self._get_mock_node(
NodeConfig("http", "localhost", 80, headers={"h1": "v1", "h2": "v2"})
)
req = self._get_request(node, "GET", "/", headers={"h2": "v2p", "h3": "v3"})
assert req.headers["h1"] == "v1"
assert req.headers["h2"] == "v2p"
assert req.headers["h3"] == "v3"
def test_default_headers(self):
node = self._get_mock_node(NodeConfig("http", "localhost", 80))
req = self._get_request(node, "GET", "/")
assert req.headers == {
"connection": "keep-alive",
"user-agent": DEFAULT_USER_AGENT,
}
def test_no_http_compression(self):
node = self._get_mock_node(
NodeConfig("http", "localhost", 80, http_compress=False)
)
assert not node.config.http_compress
assert "accept-encoding" not in node.headers
node.perform_request("GET", "/")
(req,), _ = node.session.send.call_args
assert req.body is None
assert "accept-encoding" not in req.headers
assert "content-encoding" not in req.headers
node.perform_request("GET", "/", body=b"hello, world!")
(req,), _ = node.session.send.call_args
assert req.body == b"hello, world!"
assert "accept-encoding" not in req.headers
assert "content-encoding" not in req.headers
@pytest.mark.parametrize("empty_body", [None, b""])
def test_http_compression(self, empty_body):
node = self._get_mock_node(
NodeConfig("http", "localhost", 80, http_compress=True)
)
assert node.config.http_compress is True
assert node.headers["accept-encoding"] == "gzip"
# 'content-encoding' shouldn't be set at a connection level.
# Should be applied only if the request is sent with a body.
assert "content-encoding" not in node.headers
node.perform_request("GET", "/", body=b"{}")
(req,), _ = node.session.send.call_args
assert gzip.decompress(req.body) == b"{}"
assert req.headers["accept-encoding"] == "gzip"
assert req.headers["content-encoding"] == "gzip"
node.perform_request("GET", "/", body=empty_body)
(req,), _ = node.session.send.call_args
assert req.body is None
assert req.headers["accept-encoding"] == "gzip"
print(req.headers)
assert "content-encoding" not in req.headers
@pytest.mark.parametrize("request_timeout", [None, 15])
def test_timeout_override_default(self, request_timeout):
node = self._get_mock_node(
NodeConfig("http", "localhost", 80, request_timeout=request_timeout)
)
assert node.config.request_timeout == request_timeout
node.perform_request("GET", "/")
_, kwargs = node.session.send.call_args
assert kwargs["timeout"] == request_timeout
node.perform_request("GET", "/", request_timeout=5)
_, kwargs = node.session.send.call_args
assert kwargs["timeout"] == 5
node.perform_request("GET", "/", request_timeout=None)
_, kwargs = node.session.send.call_args
assert kwargs["timeout"] is None
def test_uses_https_if_verify_certs_is_off(self):
with warnings.catch_warnings(record=True) as w:
RequestsHttpNode(NodeConfig("https", "localhost", 443, verify_certs=False))
assert 1 == len(w)
assert (
"Connecting to 'https://localhost:443' using TLS with verify_certs=False is insecure"
== str(w[0].message)
)
def test_no_warn_when_uses_https_if_verify_certs_is_off(self):
with warnings.catch_warnings(record=True) as w:
RequestsHttpNode(
NodeConfig(
"https", "localhost", 443, verify_certs=False, ssl_show_warn=False
)
)
assert 0 == len(w)
def test_no_warning_when_using_ssl_context(self):
ctx = ssl.create_default_context()
with warnings.catch_warnings(record=True) as w:
RequestsHttpNode(NodeConfig("https", "localhost", 443, ssl_context=ctx))
assert 0 == len(w)
def test_ca_certs_with_verify_ssl_false_raises_error(self):
with pytest.raises(ValueError) as e:
RequestsHttpNode(
NodeConfig(
"https", "localhost", 443, ca_certs="/ca/certs", verify_certs=False
)
)
assert str(e.value) == "You cannot use 'ca_certs' when 'verify_certs=False'"
def test_client_cert_is_used_as_session_cert(self):
conn = RequestsHttpNode(
NodeConfig("https", "localhost", 443, client_cert="/client/cert")
)
assert conn.session.cert == "/client/cert"
conn = RequestsHttpNode(
NodeConfig(
"https",
"localhost",
443,
client_cert="/client/cert",
client_key="/client/key",
)
)
assert conn.session.cert == ("/client/cert", "/client/key")
def test_ca_certs_is_used_as_session_verify(self):
conn = RequestsHttpNode(
NodeConfig("https", "localhost", 443, ca_certs="/ca/certs")
)
assert conn.session.verify == "/ca/certs"
def test_surrogatepass_into_bytes(self):
data = b"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa"
node = self._get_mock_node(
NodeConfig("http", "localhost", 80), response_body=data
)
_, data = node.perform_request("GET", "/")
assert b"\xe4\xbd\xa0\xe5\xa5\xbd\xed\xa9\xaa" == data
@pytest.mark.parametrize("_extras", [None, {}, {"requests.session.auth": None}])
def test_requests_no_session_auth(self, _extras):
node = self._get_mock_node(NodeConfig("http", "localhost", 80, _extras=_extras))
assert node.session.auth is None
def test_requests_custom_auth(self):
auth = HTTPBasicAuth("username", "password")
node = self._get_mock_node(
NodeConfig("http", "localhost", 80, _extras={"requests.session.auth": auth})
)
assert node.session.auth is auth
node.perform_request("GET", "/")
(request,), _ = node.session.send.call_args
assert request.headers["authorization"] == "Basic dXNlcm5hbWU6cGFzc3dvcmQ="
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