Skip to content

test(gateway): correct the Anthropic SSE stub to the shape the API emits #181

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
adrian-lorenzo merged 4 commits into from
Aug 28, 2026
Merged

test(gateway): correct the Anthropic SSE stub to the shape the API emits #181

Changes from 1 commit
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
401e6ae
test(gateway): correct the Anthropic SSE stub to the shape the API emits
ophiocus Aug 18, 2026
880fa82
Merge remote-tracking branch 'upstream/main' into test/gateway-anthro…
ophiocus Aug 24, 2026
e248458
test(gateway): align the unit fixture and usage comment with the wire…
ophiocus Aug 24, 2026
d2ebdae
Merge remote-tracking branch 'upstream/main' into test/gateway-anthro…
ophiocus Aug 27, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 6 additions & 3 deletions services/gateway/test/gateway.test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1301,7 +1301,7 @@ async function buildStub(state: StubState) {
});
reply.raw.writeHead(200, { "content-type": "text/event-stream" });
reply.raw.write(
'event: message_delta\ndata: {"type":"message_delta","delta":{"usage":{"output_tokens":333}}}\n\n',
'event: message_delta\ndata: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"output_tokens":333}}\n\n',
);
await new Promise((resolve) => setTimeout(resolve, 10_000));
return reply;
Expand Down Expand Up @@ -1366,8 +1366,11 @@ async function buildStub(state: StubState) {

function anthropicSseBody() {
return [
'event: message_start\ndata: {"type":"message_start","message":{"usage":{"input_tokens":1000000}}}\n\n',
'event: message_start\ndata: {"type":"message_start","message":{"id":"msg_stub","type":"message","role":"assistant","model":"claude-sonnet-5","content":[],"stop_reason":null,"usage":{"input_tokens":1000000,"output_tokens":1}}}\n\n',
'event: content_block_delta\ndata: {"type":"content_block_delta","delta":{"text":"ok"}}\n\n',
'event: message_delta\ndata: {"type":"message_delta","delta":{"usage":{"output_tokens":1000000}}}\n\n',
// `usage` is a sibling of `delta`, and `delta` carries only the stop fields —
// see RawMessageDeltaEvent in @anthropic-ai/sdk. The null cache counters are
// what the API sends for an uncached request.
'event: message_delta\ndata: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null},"usage":{"input_tokens":null,"cache_creation_input_tokens":null,"cache_read_input_tokens":null,"output_tokens":1000000}}\n\n',
].join("");
}