chore: import upstream snapshot with attribution

tests/integration/llama-cpp-provider.test.ts

@@ -0,0 +1,189 @@
+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-llamacpp-"));
+process.env.DATA_DIR = TEST_DATA_DIR;
+process.env.REQUIRE_API_KEY = "false";
+process.env.API_KEY_SECRET = process.env.API_KEY_SECRET || "test-llamacpp-secret";
+process.env.OMNIROUTE_ALLOW_PRIVATE_PROVIDER_URLS = "true";
+
+const core = await import("../../src/lib/db/core.ts");
+const providersDb = await import("../../src/lib/db/providers.ts");
+const { handleChat } = await import("../../src/sse/handlers/chat.ts");
+const { initTranslators } = await import("../../open-sse/translator/index.ts");
+const { clearInflight } = await import("../../open-sse/services/requestDedup.ts");
+const { BaseExecutor } = await import("../../open-sse/executors/base.ts");
+const { getCircuitBreaker, resetAllCircuitBreakers } =
+  await import("../../src/shared/utils/circuitBreaker.ts");
+const { clearProviderFailure } = await import("../../open-sse/services/accountFallback.ts");
+
+const originalFetch = globalThis.fetch;
+const originalRetryDelayMs = BaseExecutor.RETRY_CONFIG.delayMs;
+
+type FetchCall = {
+  url: string;
+  method?: string;
+  headers: Record<string, string>;
+  body: Record<string, any> | null;
+};
+
+function toPlainHeaders(headers: HeadersInit | undefined | null) {
+  if (!headers) return {};
+  if (headers instanceof Headers) return Object.fromEntries(headers.entries());
+  if (Array.isArray(headers)) return Object.fromEntries(headers);
+  return Object.fromEntries(
+    Object.entries(headers).map(([key, value]) => [key, value == null ? "" : String(value)])
+  );
+}
+
+function buildRequest({
+  url = "http://localhost/v1/chat/completions",
+  body,
+  headers = {},
+}: {
+  url?: string;
+  body?: unknown;
+  headers?: Record<string, string>;
+} = {}) {
+  return new Request(url, {
+    method: "POST",
+    headers: { "Content-Type": "application/json", ...headers },
+    body: JSON.stringify(body),
+  });
+}
+
+function buildLlamaResponse(text: string, model: string) {
+  return new Response(
+    JSON.stringify({
+      id: "chatcmpl-llamacpp",
+      object: "chat.completion",
+      model,
+      choices: [
+        {
+          index: 0,
+          message: { role: "assistant", content: text },
+          finish_reason: "stop",
+        },
+      ],
+      usage: { prompt_tokens: 10, completion_tokens: 5, total_tokens: 15 },
+    }),
+    { status: 200, headers: { "Content-Type": "application/json" } }
+  );
+}
+
+test.beforeEach(async () => {
+  BaseExecutor.RETRY_CONFIG.delayMs = 0;
+  clearInflight();
+  resetAllCircuitBreakers();
+  core.resetDbInstance();
+  await initTranslators();
+});
+
+test.afterEach(() => {
+  globalThis.fetch = originalFetch;
+  BaseExecutor.RETRY_CONFIG.delayMs = originalRetryDelayMs;
+  clearInflight();
+  resetAllCircuitBreakers();
+  core.resetDbInstance();
+  fs.rmSync(TEST_DATA_DIR, { recursive: true, force: true });
+  fs.mkdirSync(TEST_DATA_DIR, { recursive: true });
+});
+
+test("llama-cpp provider: routes request to custom baseUrl with no auth header", async () => {
+  await providersDb.createProviderConnection({
+    provider: "llama-cpp",
+    authType: "apikey",
+    name: "llama-cpp-primary",
+    apiKey: null,
+    isActive: true,
+    testStatus: "active",
+    providerSpecificData: { baseUrl: "http://localhost:10965/v1" },
+  });
+
+  const fetchCalls: FetchCall[] = [];
+
+  globalThis.fetch = async (url, init: RequestInit = {}) => {
+    fetchCalls.push({
+      url: String(url),
+      method: init.method || "GET",
+      headers: toPlainHeaders(init.headers),
+      body: init.body ? JSON.parse(String(init.body)) : null,
+    });
+    return buildLlamaResponse("Why did the programmer go broke? Because he used up all his cache!", "unsloth/gemma-4-26B-A4B-it-GGUF:UD-IQ2_M");
+  };
+
+  const response = await handleChat(
+    buildRequest({
+      body: {
+        model: "llamacpp/unsloth/gemma-4-26B-A4B-it-GGUF:UD-IQ2_M",
+        stream: false,
+        messages: [{ role: "user", content: "Tell me a joke." }],
+      },
+    })
+  );
+
+  const json = (await response.json()) as any;
+
+  assert.equal(response.status, 200);
+  assert.equal(fetchCalls.length, 1, "should make exactly one upstream call");
+
+  const upstream = fetchCalls[0];
+  assert.match(upstream.url, /^http:\/\/localhost:10965\/v1\/chat\/completions$/);
+  assert.equal(upstream.headers.Authorization, undefined, "no auth header for local provider");
+  assert.equal(upstream.body.messages[0].content, "Tell me a joke.");
+  assert.equal(upstream.body.model, "unsloth/gemma-4-26B-A4B-it-GGUF:UD-IQ2_M");
+  assert.equal(json.choices[0].message.content, "Why did the programmer go broke? Because he used up all his cache!");
+});
+
+test("llama-cpp provider: alias matching works via model catalog prefix", async () => {
+  await providersDb.createProviderConnection({
+    provider: "llama-cpp",
+    authType: "apikey",
+    name: "llama-cpp-secondary",
+    apiKey: null,
+    isActive: true,
+    testStatus: "active",
+    providerSpecificData: { baseUrl: "http://localhost:10965/v1" },
+  });
+
+  const fetchCalls: FetchCall[] = [];
+
+  globalThis.fetch = async (url, init: RequestInit = {}) => {
+    fetchCalls.push({ url: String(url), method: init.method, headers: toPlainHeaders(init.headers), body: init.body ? JSON.parse(String(init.body)) : null });
+    return buildLlamaResponse("42", "unsloth/gemma-4-26B-A4B-it-GGUF:UD-IQ2_M");
+  };
+
+  const response = await handleChat(
+    buildRequest({
+      body: {
+        model: "llamacpp/unsloth/gemma-4-26B-A4B-it-GGUF:UD-IQ2_M",
+        stream: false,
+        messages: [{ role: "user", content: "What is the answer?" }],
+      },
+    })
+  );
+
+  const json = (await response.json()) as any;
+  assert.equal(response.status, 200, `expected 200, got ${response.status}: ${JSON.stringify(json)}`);
+  assert.equal(json.choices[0].message.content, "42");
+});
+
+test("llama-cpp provider: returns 404 when no connection exists", async () => {
+  // Upstream port decolua/9router#336: 400 → 404 so combo routing can fall through.
+  const response = await handleChat(
+    buildRequest({
+      body: {
+        model: "llamacpp/unsloth/gemma-4-26B-A4B-it-GGUF:UD-IQ2_M",
+        stream: false,
+        messages: [{ role: "user", content: "test" }],
+      },
+    })
+  );
+
+  assert.equal(response.status, 404);
+  const json = (await response.json()) as any;
+  assert.match(json.error.message, /No active credentials for provider/);
+});