test(memory): dedupe embeddings provider test fixtures

src/memory/embeddings.test.ts

@@ -25,6 +25,11 @@ const createFetchMock = () =>
     json: async () => ({ data: [{ embedding: [1, 2, 3] }] }),
   }));
 
+afterEach(() => {
+  vi.resetAllMocks();
+  vi.unstubAllGlobals();
+});
+
 function requireProvider(result: Awaited<ReturnType<typeof createEmbeddingProvider>>) {
   if (!result.provider) {
     throw new Error("Expected embedding provider");
@@ -32,20 +37,36 @@ function requireProvider(result: Awaited<ReturnType<typeof createEmbeddingProvid
   return result.provider;
 }
 
-describe("embedding provider remote overrides", () => {
-  afterEach(() => {
-    vi.resetAllMocks();
-    vi.unstubAllGlobals();
+function mockResolvedProviderKey(apiKey = "provider-key") {
+  vi.mocked(authModule.resolveApiKeyForProvider).mockResolvedValue({
+    apiKey,
+    mode: "api-key",
+    source: "test",
   });
+}
 
+function mockMissingLocalEmbeddingDependency() {
+  importNodeLlamaCppMock.mockRejectedValue(
+    Object.assign(new Error("Cannot find package 'node-llama-cpp'"), {
+      code: "ERR_MODULE_NOT_FOUND",
+    }),
+  );
+}
+
+function createLocalProvider(options?: { fallback?: "none" | "openai" }) {
+  return createEmbeddingProvider({
+    config: {} as never,
+    provider: "local",
+    model: "text-embedding-3-small",
+    fallback: options?.fallback ?? "none",
+  });
+}
+
+describe("embedding provider remote overrides", () => {
   it("uses remote baseUrl/apiKey and merges headers", async () => {
     const fetchMock = createFetchMock();
     vi.stubGlobal("fetch", fetchMock);
-    vi.mocked(authModule.resolveApiKeyForProvider).mockResolvedValue({
-      apiKey: "provider-key",
-      mode: "api-key",
-      source: "test",
-    });
+    mockResolvedProviderKey("provider-key");
 
     const cfg = {
       models: {
@@ -94,11 +115,7 @@ describe("embedding provider remote overrides", () => {
   it("falls back to resolved api key when remote apiKey is blank", async () => {
     const fetchMock = createFetchMock();
     vi.stubGlobal("fetch", fetchMock);
-    vi.mocked(authModule.resolveApiKeyForProvider).mockResolvedValue({
-      apiKey: "provider-key",
-      mode: "api-key",
-      source: "test",
-    });
+    mockResolvedProviderKey("provider-key");
 
     const cfg = {
       models: {
@@ -137,11 +154,7 @@ describe("embedding provider remote overrides", () => {
       json: async () => ({ embedding: { values: [1, 2, 3] } }),
     }));
     vi.stubGlobal("fetch", fetchMock);
-    vi.mocked(authModule.resolveApiKeyForProvider).mockResolvedValue({
-      apiKey: "provider-key",
-      mode: "api-key",
-      source: "test",
-    });
+    mockResolvedProviderKey("provider-key");
 
     const cfg = {
       models: {
@@ -178,11 +191,6 @@ describe("embedding provider remote overrides", () => {
 });
 
 describe("embedding provider auto selection", () => {
-  afterEach(() => {
-    vi.resetAllMocks();
-    vi.unstubAllGlobals();
-  });
-
   it("prefers openai when a key resolves", async () => {
     vi.mocked(authModule.resolveApiKeyForProvider).mockImplementation(async ({ provider }) => {
       if (provider === "openai") {
@@ -271,33 +279,15 @@ describe("embedding provider auto selection", () => {
 });
 
 describe("embedding provider local fallback", () => {
-  afterEach(() => {
-    vi.resetAllMocks();
-    vi.unstubAllGlobals();
-  });
-
   it("falls back to openai when node-llama-cpp is missing", async () => {
-    importNodeLlamaCppMock.mockRejectedValue(
-      Object.assign(new Error("Cannot find package 'node-llama-cpp'"), {
-        code: "ERR_MODULE_NOT_FOUND",
-      }),
-    );
+    mockMissingLocalEmbeddingDependency();
 
     const fetchMock = createFetchMock();
     vi.stubGlobal("fetch", fetchMock);
 
-    vi.mocked(authModule.resolveApiKeyForProvider).mockResolvedValue({
-      apiKey: "provider-key",
-      mode: "api-key",
-      source: "test",
-    });
+    mockResolvedProviderKey("provider-key");
 
-    const result = await createEmbeddingProvider({
-      config: {} as never,
-      provider: "local",
-      model: "text-embedding-3-small",
-      fallback: "openai",
-    });
+    const result = await createLocalProvider({ fallback: "openai" });
 
     const provider = requireProvider(result);
     expect(provider.id).toBe("openai");
@@ -306,46 +296,17 @@ describe("embedding provider local fallback", () => {
   });
 
   it("throws a helpful error when local is requested and fallback is none", async () => {
-    importNodeLlamaCppMock.mockRejectedValue(
-      Object.assign(new Error("Cannot find package 'node-llama-cpp'"), {
-        code: "ERR_MODULE_NOT_FOUND",
-      }),
-    );
-
-    await expect(
-      createEmbeddingProvider({
-        config: {} as never,
-        provider: "local",
-        model: "text-embedding-3-small",
-        fallback: "none",
-      }),
-    ).rejects.toThrow(/optional dependency node-llama-cpp/i);
+    mockMissingLocalEmbeddingDependency();
+    await expect(createLocalProvider()).rejects.toThrow(/optional dependency node-llama-cpp/i);
   });
 
   it("mentions every remote provider in local setup guidance", async () => {
-    importNodeLlamaCppMock.mockRejectedValue(
-      Object.assign(new Error("Cannot find package 'node-llama-cpp'"), {
-        code: "ERR_MODULE_NOT_FOUND",
-      }),
-    );
-
-    await expect(
-      createEmbeddingProvider({
-        config: {} as never,
-        provider: "local",
-        model: "text-embedding-3-small",
-        fallback: "none",
-      }),
-    ).rejects.toThrow(/provider = "gemini"/i);
+    mockMissingLocalEmbeddingDependency();
+    await expect(createLocalProvider()).rejects.toThrow(/provider = "gemini"/i);
   });
 });
 
 describe("local embedding normalization", () => {
-  afterEach(() => {
-    vi.resetAllMocks();
-    vi.unstubAllGlobals();
-  });
-
   async function createLocalProviderForTest() {
     return createEmbeddingProvider({
       config: {} as never,
@@ -456,11 +417,6 @@ describe("local embedding normalization", () => {
 });
 
 describe("FTS-only fallback when no provider available", () => {
-  afterEach(() => {
-    vi.resetAllMocks();
-    vi.unstubAllGlobals();
-  });
-
   it("returns null provider with reason when auto mode finds no providers", async () => {
     vi.mocked(authModule.resolveApiKeyForProvider).mockRejectedValue(
       new Error('No API key found for provider "openai"'),