wehub-resource-sync
64 lines
2.7 KiB
TypeScript
64 lines
2.7 KiB
TypeScript
/**
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* #5108 — Regression from #4942. A non-streaming `/v1/messages` request to a Claude
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* extended-thinking model returns HTTP 200 with a Claude-shaped body whose `content`
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* array holds only an *empty* thinking block that still carries a valid `signature`:
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*
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* content: [{ type: "thinking", thinking: "", signature: "Eo…" }]
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*
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* `detectMalformedNonStream` only understood OpenAI Chat Completions (`choices`) and
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* Responses API (`object:"response"`) shapes — a Claude body (`type:"message"`,
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* `content:[…]`) has neither, so it fell through to `empty_choices` and OmniRoute
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* returned 502 (cascading to "All models failed" inside a combo). The signature proves
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* the thinking step actually ran, so this is a valid completion, not an empty one.
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*
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* The detector must understand the Claude shape: text blocks with text, thinking blocks
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* with a signature, and tool_use blocks count as output; a genuinely empty `content:[]`
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* (or thinking with neither text nor signature) is still flagged.
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*/
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import test from "node:test";
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import assert from "node:assert/strict";
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import { detectMalformedNonStream } from "../../open-sse/utils/diagnostics.ts";
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const claudeMsg = (content: unknown[]) => ({
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type: "message",
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role: "assistant",
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id: "msg_x",
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model: "claude-opus-4-8",
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content,
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stop_reason: "end_turn",
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usage: { input_tokens: 5, output_tokens: 1 },
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});
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test("#5108 Claude thinking-only block with a signature is valid output (was 502 empty_choices)", () => {
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const body = claudeMsg([{ type: "thinking", thinking: "", signature: "EoABCDEF" }]);
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assert.equal(detectMalformedNonStream(body), null);
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});
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test("#5108 normal Claude text response is valid output", () => {
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const body = claudeMsg([{ type: "text", text: "hello" }]);
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assert.equal(detectMalformedNonStream(body), null);
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});
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test("#5108 Claude tool_use response is valid output", () => {
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const body = claudeMsg([{ type: "tool_use", id: "toolu_1", name: "bash", input: {} }]);
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assert.equal(detectMalformedNonStream(body), null);
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});
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test("#5108 genuinely empty Claude content:[] is still flagged malformed", () => {
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assert.equal(detectMalformedNonStream(claudeMsg([])), "empty_choices");
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});
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test("#5108 Claude thinking block with neither text nor signature is still flagged", () => {
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const body = claudeMsg([{ type: "thinking", thinking: "", signature: "" }]);
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assert.equal(detectMalformedNonStream(body), "empty_choices");
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});
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// Existing OpenAI / Responses behavior must be unchanged.
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test("#5108 OpenAI chat completion still validated normally", () => {
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assert.equal(
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detectMalformedNonStream({ choices: [{ message: { content: "hi" } }] }),
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null
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);
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assert.equal(detectMalformedNonStream({ choices: [] }), "empty_choices");
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});
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