test(integration): add general live-test tool for the real "default" combo

Temporary WIP commit on this deferred branch — lands in its own separate
PR once the bug-fix extraction batch is done (never bundled into a
bug-fix PR). Unlike liveGeminiShared.ts (provisions its own narrow
2-model Gemini-only combo), this reads the REAL "default" combo
currently configured on the target instance directly from the DB and
exercises every provider/model step in it directly, bypassing combo
routing, so live-test coverage always matches whatever is actually
configured instead of a hardcoded snapshot.

Live-verified against omniroute-beta (seeded with the real 18-model,
5-provider default combo): 14/18 models pass consistently across
non-streaming + streaming Chat Completions and streaming Responses API.
The 4 consistent failures are real external state (cerebras
credits_exhausted, one deprecated openrouter free-tier model), not code
regressions.

(cherry picked from commit c40b13a48fd897259c56f5122e9e57a3dc7654ba)
This commit is contained in:
Markus Hartung
2026-08-07 17:28:09 +02:00
committed by diegosouzapw
parent aae408f585
commit f133704267
2 changed files with 360 additions and 0 deletions

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/**
* tests/integration/live-default-combo-workload.test.ts
*
* General breadth test against the REAL, currently-configured "default"
* combo on the target instance — unlike live-gemini-workload.test.ts (which
* provisions its own narrow 2-model Gemini-only combo), this targets every
* provider/model step the operator actually has in "default" directly,
* bypassing combo routing. One request per configured model: non-streaming
* + streaming Chat Completions, and streaming Responses API. Skips (never
* fails) any model whose provider connection isn't currently active, so one
* unrelated provider outage doesn't block the rest of the run.
*/
import test from "node:test";
import assert from "node:assert/strict";
import {
skip,
getDefaultComboModelTargets,
filterActiveModelTargets,
sendModelRequest,
} from "./liveDefaultComboShared.ts";
let modelNames: string[] = [];
test.before(async () => {
if (skip) return;
const targets = await getDefaultComboModelTargets();
assert.ok(targets.length > 0, `"default" combo has no model steps — nothing to test`);
const { active, skipped } = await filterActiveModelTargets(targets);
if (skipped.length > 0) {
console.log(`\n [setup] skipping ${skipped.length} model(s) with inactive provider:`);
for (const s of skipped) console.log(` - ${s}`);
}
modelNames = active.map((t) => t.model);
console.log(`\n [setup] testing ${modelNames.length} model(s) from the live "default" combo`);
});
test(
"[32] default combo: non-streaming chat completions across every configured model",
{ skip },
async () => {
const failures: string[] = [];
for (const model of modelNames) {
const r = await sendModelRequest(model, false, "chat");
if (r.status !== 200 || r.contentLength === 0) {
failures.push(
`${model}: HTTP ${r.status}${r.error ? ` (${r.error})` : ""}, ${r.contentLength} chars`
);
}
}
if (failures.length > 0) {
console.log(`\n Non-streaming failures (${failures.length}/${modelNames.length}):`);
for (const f of failures) console.log(` ${f}`);
}
assert.equal(
failures.length,
0,
`${failures.length}/${modelNames.length} models failed non-streaming chat`
);
}
);
test(
"[33] default combo: streaming chat completions across every configured model",
{ skip },
async () => {
const failures: string[] = [];
for (const model of modelNames) {
const r = await sendModelRequest(model, true, "chat");
if (r.status !== 200 || r.contentLength === 0) {
failures.push(
`${model}: HTTP ${r.status}${r.error ? ` (${r.error})` : ""}, ${r.contentLength} chars`
);
}
}
if (failures.length > 0) {
console.log(`\n Streaming failures (${failures.length}/${modelNames.length}):`);
for (const f of failures) console.log(` ${f}`);
}
assert.equal(
failures.length,
0,
`${failures.length}/${modelNames.length} models failed streaming chat`
);
}
);
test(
"[34] default combo: streaming responses API across every configured model",
{ skip },
async () => {
const failures: string[] = [];
for (const model of modelNames) {
const r = await sendModelRequest(model, true, "responses");
if (r.status !== 200 || r.contentLength === 0) {
failures.push(
`${model}: HTTP ${r.status}${r.error ? ` (${r.error})` : ""}, ${r.contentLength} chars`
);
}
}
if (failures.length > 0) {
console.log(`\n Responses API failures (${failures.length}/${modelNames.length}):`);
for (const f of failures) console.log(` ${f}`);
}
assert.equal(
failures.length,
0,
`${failures.length}/${modelNames.length} models failed streaming Responses API`
);
}
);

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/**
* tests/integration/liveDefaultComboShared.ts
*
* Shared utilities for the general "default combo" live workload test.
* Unlike liveGeminiShared.ts (which provisions its own narrow 2-model
* Gemini-only combo when "default" doesn't already exist), this reads the
* REAL "default" combo currently configured on the target instance directly
* from its own DB (src/lib/db/combos.ts — never raw SQL, per AGENTS.md) and
* exercises every provider/model step in it directly, bypassing combo
* routing, so live-test coverage always matches whatever the operator
* actually has configured instead of a hardcoded snapshot that goes stale
* the moment the combo changes.
*/
import {
API_KEY,
BASE_URL,
readSSEStream,
readResponsesSSEStream,
genSystemMessage,
genUserMessage,
type Message,
} from "./liveGeminiShared.ts";
export { API_KEY, BASE_URL };
export const skip = !API_KEY ? "OMNIROUTE_API_KEY not set — skipping live test" : undefined;
export interface ComboModelTarget {
model: string;
providerId: string | null;
}
async function apiFetch(path: string, options: RequestInit = {}): Promise<Response> {
return fetch(`${BASE_URL}${path}`, {
...options,
headers: {
Authorization: `Bearer ${API_KEY}`,
"Content-Type": "application/json",
...options.headers,
},
});
}
// Bootstrap seed used ONLY when the target instance has no "default" combo
// at all — mirrors liveGeminiShared.ts's own DEFAULT_COMBO_CONFIG fallback,
// generalized to the real multi-provider spread confirmed live against this
// operator's own production "default" combo (5 providers, 18 models) rather
// than Gemini alone. This is a creation fallback only: whenever a "default"
// combo already exists on the target instance, its actual live config is
// always what gets read and tested — this list never overrides it.
const FALLBACK_COMBO_MODELS: { model: string; providerId: string }[] = [
{ model: "opencode/big-pickle", providerId: "opencode" },
{ model: "opencode/mimo-v2.5-free", providerId: "opencode" },
{ model: "opencode/laguna-s-2.1-free", providerId: "opencode" },
{ model: "openrouter/cohere/north-mini-code:free", providerId: "openrouter" },
{ model: "openrouter/poolside/laguna-m.1:free", providerId: "openrouter" },
{ model: "openrouter/nvidia/nemotron-3-ultra-550b-a55b:free", providerId: "openrouter" },
{ model: "openrouter/nvidia/nemotron-3-super-120b-a12b:free", providerId: "openrouter" },
{ model: "openrouter/nvidia/nemotron-3-nano-30b-a3b:free", providerId: "openrouter" },
{ model: "openrouter/google/gemma-4-26b-a4b-it:free", providerId: "openrouter" },
{ model: "openrouter/google/gemma-4-31b-it:free", providerId: "openrouter" },
{ model: "openrouter/poolside/laguna-s-2.1:free", providerId: "openrouter" },
{ model: "gemini/gemini-3.1-flash-lite", providerId: "gemini" },
{ model: "gemini/gemma-4-31b-it", providerId: "gemini" },
{ model: "gemini/gemma-4-26b-a4b-it", providerId: "gemini" },
{ model: "mistral/mistral-large-latest", providerId: "mistral" },
{ model: "cerebras/gemma-4-31b", providerId: "cerebras" },
{ model: "cerebras/zai-glm-4.7", providerId: "cerebras" },
{ model: "cerebras/gpt-oss-120b", providerId: "cerebras" },
];
async function ensureDefaultComboExists(
getComboByName: (name: string) => Promise<Record<string, unknown> | null>
): Promise<void> {
const existing = await getComboByName("default");
if (existing) return;
console.log(` [setup] no "default" combo on this instance — creating fallback seed combo`);
const { createCombo } = await import("../../src/lib/db/combos.ts");
await createCombo({
name: "default",
strategy: "priority",
models: FALLBACK_COMBO_MODELS.map((m, i) => ({
kind: "model" as const,
model: m.model,
providerId: m.providerId,
weight: 1,
id: `fallback-${i}`,
})),
});
}
// Read the live "default" combo's model steps straight from the DB module —
// intentionally not hardcoded, so this always reflects whatever the operator
// currently has configured on the target instance. Creates a fallback seed
// combo first if none exists at all (see ensureDefaultComboExists above).
export async function getDefaultComboModelTargets(): Promise<ComboModelTarget[]> {
const { getComboByName } = await import("../../src/lib/db/combos.ts");
await ensureDefaultComboExists(getComboByName);
const combo = (await getComboByName("default")) as Record<string, unknown> | null;
const models =
combo && Array.isArray(combo.models) ? (combo.models as Record<string, unknown>[]) : [];
const targets: ComboModelTarget[] = [];
for (const step of models) {
if (step.kind !== "model" || typeof step.model !== "string") continue;
targets.push({
model: step.model,
providerId: typeof step.providerId === "string" ? step.providerId : null,
});
}
return targets;
}
// Skip (never fail) any model whose provider connection isn't currently
// active — this suite's job is breadth across the real combo, not blocking
// the whole run on one unrelated provider outage.
export async function filterActiveModelTargets(
targets: ComboModelTarget[]
): Promise<{ active: ComboModelTarget[]; skipped: string[] }> {
const res = await apiFetch("/api/providers");
if (!res.ok) return { active: targets, skipped: [] };
const data = await res.json();
const connections = (data.connections || data) as Record<string, unknown>[];
// Terminal states (never self-heal — see AGENTS.md "Resilience Runtime
// State" → Connection Cooldown) plus "unavailable" (active cooldown) are
// the only statuses worth pre-filtering; everything else (including
// transient/lazily-recovered cooldowns that have already expired) is left
// for the request itself to prove out.
const DEAD_STATUSES = new Set(["expired", "unavailable", "banned", "credits_exhausted"]);
const activeProviders = new Set(
connections
.filter((c) => c.isActive && !DEAD_STATUSES.has(c.testStatus as string))
.map((c) => c.provider as string)
);
const active: ComboModelTarget[] = [];
const skipped: string[] = [];
for (const t of targets) {
if (!t.providerId || activeProviders.has(t.providerId)) {
active.push(t);
} else {
skipped.push(`${t.model} (provider "${t.providerId}" not active)`);
}
}
return { active, skipped };
}
function ts(): string {
return new Date().toISOString().slice(11, 23); // HH:MM:SS.mmm
}
export interface ModelRequestResult {
model: string;
status: number;
duration: number;
tokens: number;
contentLength: number;
correlationId: string;
error?: string;
}
// Deliberately lighter than liveGeminiShared's sendAndValidate (no retry
// loop, one fixed prompt pair): this suite's job is breadth across every
// model in the real combo, not depth on any single provider.
export async function sendModelRequest(
model: string,
stream: boolean,
apiFormat: "chat" | "responses" = "chat"
): Promise<ModelRequestResult> {
const endpoint = apiFormat === "responses" ? "/v1/responses" : "/v1/chat/completions";
const messages: Message[] = [genSystemMessage(), genUserMessage()];
const body =
apiFormat === "responses"
? { model, input: messages, stream, max_output_tokens: 1024, temperature: 0.3 }
: { model, messages, stream, max_tokens: 1024, temperature: 0.3 };
const controller = new AbortController();
const timeoutMs = Number(process.env.TEST_REQUEST_TIMEOUT_MS) || 120_000;
const timeout = setTimeout(() => controller.abort(), timeoutMs);
const start = performance.now();
try {
const response = await fetch(`${BASE_URL}${endpoint}`, {
method: "POST",
headers: { "Content-Type": "application/json", Authorization: `Bearer ${API_KEY}` },
body: JSON.stringify(body),
signal: controller.signal,
});
const duration = performance.now() - start;
clearTimeout(timeout);
const correlationId = response.headers.get("x-correlation-id") || "?";
let content = "";
let totalTokens = 0;
if (response.status === 200) {
if (stream) {
const streamResult =
apiFormat === "responses"
? await readResponsesSSEStream(response)
: await readSSEStream(response);
content = streamResult.fullContent;
totalTokens = streamResult.totalTokens;
} else if (apiFormat === "responses") {
const json = await response.json().catch(() => ({}));
const textItem = json?.output?.find((o: Record<string, unknown>) => o.type === "message");
content = textItem?.content?.[0]?.text || "";
totalTokens = json?.usage?.total_tokens || 0;
} else {
const json = await response.json().catch(() => ({}));
content = json?.choices?.[0]?.message?.content || "";
totalTokens = json?.usage?.total_tokens || 0;
}
}
console.log(
`${ts()} ${model.padEnd(40)} HTTP ${response.status} | ` +
`${Math.round(duration).toString().padStart(6)}ms | ` +
`${String(totalTokens).padStart(5)} tok | ` +
`${content.length} chars | cid: ${correlationId}`
);
return {
model,
status: response.status,
duration,
tokens: totalTokens,
contentLength: content.length,
correlationId,
};
} catch (err) {
clearTimeout(timeout);
const errorMessage = err instanceof Error ? err.message : String(err);
console.log(`${ts()} ${model.padEnd(40)} FAILED: ${errorMessage}`);
return {
model,
status: 0,
duration: performance.now() - start,
tokens: 0,
contentLength: 0,
correlationId: "?",
error: errorMessage,
};
}
}