tests/test_main.py::test_verbose and ::test_auth fail with click==8.2.0

[mgorny]

When running the test suite with click==8.2.0 installed:

========================================================= test session starts =========================================================
platform linux -- Python 3.13.3, pytest-8.3.4, pluggy-1.5.0 -- /tmp/httpx/.venv/bin/python3
cachedir: .pytest_cache
rootdir: /tmp/httpx
configfile: pyproject.toml
plugins: anyio-4.9.0
collected 1418 items                                                                                                                  

[...]
============================================================== FAILURES ===============================================================
____________________________________________________________ test_verbose _____________________________________________________________

server = <tests.conftest.TestServer object at 0x7f3b285b06e0>

    def test_verbose(server):
        url = str(server.url)
        runner = CliRunner()
        result = runner.invoke(httpx.main, [url, "-v"])
        assert result.exit_code == 0
>       assert remove_date_header(splitlines(result.output)) == [
            "* Connecting to '127.0.0.1'",
            "* Connected to '127.0.0.1' on port 8000",
            "GET / HTTP/1.1",
            f"Host: {server.url.netloc.decode('ascii')}",
            "Accept: */*",
            "Accept-Encoding: gzip, deflate, br, zstd",
            "Connection: keep-alive",
            f"User-Agent: python-httpx/{httpx.__version__}",
            "",
            "HTTP/1.1 200 OK",
            "server: uvicorn",
            "content-type: text/plain",
            "Transfer-Encoding: chunked",
            "",
            "Hello, world!",
        ]
E       assert ['HTTP/1.1 200 OK', 'server: uvicorn', 'content-type: text/plain', 'Transfer-Encoding: chunked', '', 'Hello, world!'] == ["* Connecting to '127.0.0.1'", "* Connected to '127.0.0.1' on port 8000", 'GET / HTTP/1.1', 'Host: 127.0.0.1:8000', 'Accept: */*', 'Accept-Encoding: gzip, deflate, br, zstd', 'Connection: keep-alive', 'User-Agent: python-httpx/0.28.1', '', 'HTTP/1.1 200 OK', 'server: uvicorn', 'content-type: text/plain', 'Transfer-Encoding: chunked', '', 'Hello, world!']
E         
E         At index 0 diff: 'HTTP/1.1 200 OK' != "* Connecting to '127.0.0.1'"
E         Right contains 9 more items, first extra item: 'Connection: keep-alive'
E         
E         Full diff:
E           [
E         -     "* Connecting to '127.0.0.1'",
E         -     "* Connected to '127.0.0.1' on port 8000",
E         -     'GET / HTTP/1.1',
E         -     'Host: 127.0.0.1:8000',
E         -     'Accept: */*',
E         -     'Accept-Encoding: gzip, deflate, br, zstd',
E         -     'Connection: keep-alive',
E         -     'User-Agent: python-httpx/0.28.1',
E         -     '',
E               'HTTP/1.1 200 OK',
E               'server: uvicorn',
E               'content-type: text/plain',
E               'Transfer-Encoding: chunked',
E               '',
E               'Hello, world!',
E           ]

tests/test_main.py:126: AssertionError
-------------------------------------------------------- Captured stdout call ---------------------------------------------------------
INFO:     127.0.0.1:53902 - "GET / HTTP/1.1" 200 OK
______________________________________________________________ test_auth ______________________________________________________________

server = <tests.conftest.TestServer object at 0x7f3b285b06e0>

    def test_auth(server):
        url = str(server.url)
        runner = CliRunner()
        result = runner.invoke(httpx.main, [url, "-v", "--auth", "username", "password"])
        print(result.output)
        assert result.exit_code == 0
>       assert remove_date_header(splitlines(result.output)) == [
            "* Connecting to '127.0.0.1'",
            "* Connected to '127.0.0.1' on port 8000",
            "GET / HTTP/1.1",
            f"Host: {server.url.netloc.decode('ascii')}",
            "Accept: */*",
            "Accept-Encoding: gzip, deflate, br, zstd",
            "Connection: keep-alive",
            f"User-Agent: python-httpx/{httpx.__version__}",
            "Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=",
            "",
            "HTTP/1.1 200 OK",
            "server: uvicorn",
            "content-type: text/plain",
            "Transfer-Encoding: chunked",
            "",
            "Hello, world!",
        ]
E       assert ['HTTP/1.1 200 OK', 'server: uvicorn', 'content-type: text/plain', 'Transfer-Encoding: chunked', '', 'Hello, world!'] == ["* Connecting to '127.0.0.1'", "* Connected to '127.0.0.1' on port 8000", 'GET / HTTP/1.1', 'Host: 127.0.0.1:8000', 'Accept: */*', 'Accept-Encoding: gzip, deflate, br, zstd', 'Connection: keep-alive', 'User-Agent: python-httpx/0.28.1', 'Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=', '', 'HTTP/1.1 200 OK', 'server: uvicorn', 'content-type: text/plain', 'Transfer-Encoding: chunked', '', 'Hello, world!']
E         
E         At index 0 diff: 'HTTP/1.1 200 OK' != "* Connecting to '127.0.0.1'"
E         Right contains 10 more items, first extra item: 'Connection: keep-alive'
E         
E         Full diff:
E           [
E         -     "* Connecting to '127.0.0.1'",
E         -     "* Connected to '127.0.0.1' on port 8000",
E         -     'GET / HTTP/1.1',
E         -     'Host: 127.0.0.1:8000',
E         -     'Accept: */*',
E         -     'Accept-Encoding: gzip, deflate, br, zstd',
E         -     'Connection: keep-alive',
E         -     'User-Agent: python-httpx/0.28.1',
E         -     'Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=',
E         -     '',
E               'HTTP/1.1 200 OK',
E               'server: uvicorn',
E               'content-type: text/plain',
E               'Transfer-Encoding: chunked',
E               '',
E               'Hello, world!',
E           ]

tests/test_main.py:151: AssertionError
-------------------------------------------------------- Captured stdout call ---------------------------------------------------------
INFO:     127.0.0.1:53918 - "GET / HTTP/1.1" 200 OK
HTTP/1.1 200 OK
date: Wed, 14 May 2025 10:34:14 GMT
server: uvicorn
content-type: text/plain
Transfer-Encoding: chunked

Hello, world!

======================================================= short test summary info =======================================================
SKIPPED [1] tests/client/test_auth.py:273: netrc files without a password are valid from Python >= 3.11
============================================== 2 failed, 1415 passed, 1 skipped in 7.10s ==============================================

Reproduced with 6c7af96.

To reproduce:

uv venv
uv pip install -e . -r requirements.txt
uv run pytest

[mgorny]

I'm sorry, it seems to have been a bug in click==8.2.0. The tests pass with 8.2.1.