Files
OmniRoute/tests/unit/model-connid-prefix-normalization-6772.test.ts

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TypeScript

/**
* PROBE for issue #6772 — custom OpenAI-compat <connId>/<listedModelId> 400s when the
* connection has a user-defined `prefix` and the listed model id (from /api/models)
* already carries that prefix baked in ("fta/vova/gpt-5.5").
*
* Root cause hypothesis: in src/sse/services/model.ts getModelInfo(), when a client
* addresses the connection by its raw internal node id (`<connId>/...`), the matching
* branch finds the node via `node.id === prefixToCheck` but returns `parsed.model`
* UNSTRIPPED of the node's own `prefix` — so `<connId>/<prefix>/<rawModelId>` resolves
* to `{ provider: connId, model: "<prefix>/<rawModelId>" }` instead of stripping the
* redundant prefix down to the actual registered custom model id `<rawModelId>`.
*/
import test from "node:test";
import assert from "node:assert/strict";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
const TEST_DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), "omniroute-probe-6772-"));
process.env.DATA_DIR = TEST_DATA_DIR;
const core = await import("../../src/lib/db/core.ts");
const providersDb = await import("../../src/lib/db/providers.ts");
const modelsDb = await import("../../src/lib/db/models.ts");
const { getModelInfo } = await import("../../src/sse/services/model.ts");
const CONN_ID = "openai-compatible-chat-97b0e595-probe6772";
const PREFIX = "fta";
const RAW_MODEL_ID = "vova/gpt-5.5"; // upstream's own model id already has a slash
test.before(async () => {
await providersDb.createProviderNode({
id: CONN_ID,
type: "openai-compatible",
name: "freetheai (probe)",
prefix: PREFIX,
baseUrl: "https://proxy.example.com",
chatPath: "/v1/chat/completions",
modelsPath: "/v1/models",
});
await modelsDb.addCustomModel(
CONN_ID,
RAW_MODEL_ID,
"vova gpt-5.5",
"manual",
"chat-completions",
["chat"]
);
});
test.after(() => {
core.resetDbInstance();
fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
});
test("#6772 baseline: bare alias form `fta/vova/gpt-5.5` resolves to the raw model id", async () => {
const info = (await getModelInfo(`${PREFIX}/${RAW_MODEL_ID}`)) as {
provider?: string;
model?: string;
};
assert.equal(info.provider, CONN_ID, "must resolve to the custom node via its prefix");
assert.equal(info.model, RAW_MODEL_ID, "model must be the raw registered custom model id");
});
test("#6772 baseline: `<connId>/vova/gpt-5.5` (no namespace) resolves to the raw model id", async () => {
const info = (await getModelInfo(`${CONN_ID}/${RAW_MODEL_ID}`)) as {
provider?: string;
model?: string;
};
assert.equal(info.provider, CONN_ID, "must resolve to the custom node via its internal id");
assert.equal(info.model, RAW_MODEL_ID, "model must be the raw registered custom model id");
});
test("#6772 RED: `<connId>/<prefix>/<rawModelId>` (naive owned_by+id concat) must normalize to the raw model id, not double-prefix", async () => {
const info = (await getModelInfo(`${CONN_ID}/${PREFIX}/${RAW_MODEL_ID}`)) as {
provider?: string;
model?: string;
};
assert.equal(info.provider, CONN_ID, "must resolve to the custom node via its internal id");
assert.equal(
info.model,
RAW_MODEL_ID,
`model must strip the node's own prefix "${PREFIX}/" so it matches the registered custom model id ` +
`"${RAW_MODEL_ID}" — got "${info.model}" instead (double-namespaced, will 400 upstream)`
);
});