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import pytest
from werkzeug.middleware.http_proxy import ProxyMiddleware
from werkzeug.test import Client
from werkzeug.wrappers import Response
@pytest.mark.filterwarnings("ignore::pytest.PytestUnraisableExceptionWarning")
@pytest.mark.dev_server
def test_http_proxy(standard_app):
app = ProxyMiddleware(
Response("ROOT"),
{
"/foo": {
"target": standard_app.url,
"host": "faked.invalid",
"headers": {"X-Special": "foo"},
},
"/bar": {
"target": standard_app.url,
"host": None,
"remove_prefix": True,
"headers": {"X-Special": "bar"},
},
"/autohost": {"target": standard_app.url},
},
)
client = Client(app)
r = client.get("/")
assert r.data == b"ROOT"
r = client.get("/foo/bar")
assert r.json["HTTP_X_SPECIAL"] == "foo"
assert r.json["HTTP_HOST"] == "faked.invalid"
assert r.json["PATH_INFO"] == "/foo/bar"
r = client.get("/bar/baz?a=a&b=b")
assert r.json["HTTP_X_SPECIAL"] == "bar"
assert r.json["HTTP_HOST"] == "localhost"
assert r.json["PATH_INFO"] == "/baz"
assert r.json["QUERY_STRING"] == "a=a&b=b"
r = client.get("/autohost/aha")
assert "HTTP_X_SPECIAL" not in r.json
assert r.json["HTTP_HOST"] == "127.0.0.1"
assert r.json["PATH_INFO"] == "/autohost/aha"
# test if characters allowed in URL are not encoded by proxy
r = client.get("/autohost/$")
assert r.json["REQUEST_URI"] == "/autohost/$"
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