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Client-side 2026-07-28 support: .discover()/.adopt() + Client(mode=); request-metadata green (#2950)

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Max 2026-06-25 16:09:23 +02:00 • committed by GitHub
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4
tests/client/test_list_roots_callback.py
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@ -31,7 +31,7 @@ async def test_list_roots_callback():
return True
# Test with list_roots callback
async with Client(server, list_roots_callback=list_roots_callback) as client:
async with Client(server, list_roots_callback=list_roots_callback, mode="legacy") as client:
# Make a request to trigger sampling callback
result = await client.call_tool("test_list_roots", {"message": "test message"})
assert result.is_error is False
@ -41,7 +41,7 @@ async def test_list_roots_callback():
# Without a list_roots callback the client responds with an MCPError, which the
# tool body doesn't catch — the wrapper re-raises it as a top-level JSON-RPC
# error rather than wrapping it as an isError result.
async with Client(server) as client:
async with Client(server, mode="legacy") as client:
with pytest.raises(MCPError) as exc_info:
await client.call_tool("test_list_roots", {"message": "test message"})
assert exc_info.value.error.code == INVALID_REQUEST