refactor(integrations): rename dsh-mem0 to deepseek-plugin, strands-mem0 to mem0-strands (#7098)

integrations/deepseek-plugin/tests/apply.test.ts

@@ -0,0 +1,143 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
+
+// Offline mock of the Mem0 SDK so these tests never touch the network.
+const mockSearch = vi.fn();
+const mockAdd = vi.fn();
+vi.mock("mem0ai", () => ({
+  MemoryClient: class {
+    search = mockSearch;
+    add = mockAdd;
+  },
+}));
+
+// The real `@deepseek-ai/dsh-tools` runtime transitively imports harness peer
+// packages the host provides at runtime but which aren't installed here. For
+// these unit tests we only need `defineTool` to hand back the definition it was
+// given, so the registered tool's `execute`/`name` can be exercised directly.
+vi.mock("@deepseek-ai/dsh-tools", () => ({
+  defineTool: (options: unknown) => options,
+}));
+
+import { apply, type Config } from "../src/index.ts";
+
+interface RegisteredTool {
+  name: string;
+  execute(args: unknown, exec: unknown): Promise<unknown>;
+}
+
+function applyAndCollect(config: Config): Map<string, RegisteredTool> {
+  const tools = new Map<string, RegisteredTool>();
+  const ctx = {
+    tools: { register: (t: RegisteredTool) => tools.set(t.name, t) },
+  };
+  apply(ctx as never, config);
+  return tools;
+}
+
+let savedKey: string | undefined;
+
+beforeEach(() => {
+  savedKey = process.env.MEM0_API_KEY;
+  mockSearch.mockReset();
+  mockAdd.mockReset();
+});
+
+afterEach(() => {
+  if (savedKey === undefined) delete process.env.MEM0_API_KEY;
+  else process.env.MEM0_API_KEY = savedKey;
+});
+
+describe("apply() config validation", () => {
+  it("throws when no apiKey is set and MEM0_API_KEY is absent", () => {
+    delete process.env.MEM0_API_KEY;
+    expect(() => applyAndCollect({ userId: "u" } as Config)).toThrow(/apiKey|MEM0_API_KEY/);
+  });
+
+  it("throws when userId is missing", () => {
+    expect(() => applyAndCollect({ apiKey: "k", userId: "" } as Config)).toThrow(/userId/);
+  });
+
+  it("registers both memory tools", () => {
+    const tools = applyAndCollect({ apiKey: "k", userId: "u" });
+    expect([...tools.keys()].sort()).toEqual(["add_memory", "search_memory"]);
+  });
+});
+
+describe("search_memory tool", () => {
+  it("returns a formatted list scoped to the configured user", async () => {
+    mockSearch.mockResolvedValue({
+      results: [{ id: "m1", memory: "Likes tea", categories: ["preference"] }],
+    });
+    const tools = applyAndCollect({ apiKey: "k", userId: "u" });
+
+    const out = await tools.get("search_memory")!.execute({ query: "drink" }, {});
+
+    expect(out).toContain("Likes tea");
+    expect(out).toContain("[mem0:m1]");
+    expect(mockSearch).toHaveBeenCalledWith("drink", {
+      filters: { user_id: "u" },
+      topK: 10,
+    });
+  });
+
+  it("honors a per-call userId override and limit", async () => {
+    mockSearch.mockResolvedValue({ results: [] });
+    const tools = applyAndCollect({ apiKey: "k", userId: "u" });
+
+    await tools.get("search_memory")!.execute({ query: "x", userId: "alice", limit: 3 }, {});
+
+    expect(mockSearch).toHaveBeenCalledWith("x", {
+      filters: { user_id: "alice" },
+      topK: 3,
+    });
+  });
+
+  it("returns a graceful failure line instead of rejecting on error", async () => {
+    mockSearch.mockRejectedValue(new Error("network down"));
+    const tools = applyAndCollect({ apiKey: "k", userId: "u" });
+
+    const out = await tools.get("search_memory")!.execute({ query: "x" }, {});
+
+    expect(out).toContain("search_memory failed");
+    expect(out).toContain("network down");
+  });
+});
+
+describe("add_memory tool", () => {
+  it("reports the write as queued on the async PENDING response, with camelCase scope + source", async () => {
+    // The real /v3/memories/add/ response — not an array of memories. The SDK
+    // camel-cases response keys, so it surfaces as `eventId`, not `event_id`.
+    mockAdd.mockResolvedValue({ eventId: "evt-123", status: "PENDING" });
+    const tools = applyAndCollect({ apiKey: "k", userId: "u" });
+
+    const out = await tools.get("add_memory")!.execute({ text: "remember this" }, {});
+
+    expect(out).toContain("queued");
+    expect(out).toContain("evt-123");
+    expect(out).not.toContain("No new distinct memory");
+    expect(mockAdd).toHaveBeenCalledWith(
+      [{ role: "user", content: "remember this" }],
+      { userId: "u", source: "DEEPSEEK_HARNESS" },
+    );
+  });
+
+  it("renders a list when the backend returns memories", async () => {
+    mockAdd.mockResolvedValue([{ id: "m1", memory: "Fact" }]);
+    const tools = applyAndCollect({ apiKey: "k", userId: "u" });
+
+    const out = await tools.get("add_memory")!.execute({ text: "x" }, {});
+
+    expect(out).toContain("Stored 1 memory");
+    expect(out).toContain("[mem0:m1]");
+  });
+
+  it("returns a graceful failure line on error", async () => {
+    mockAdd.mockRejectedValue(new Error("boom"));
+    const tools = applyAndCollect({ apiKey: "k", userId: "u" });
+
+    const out = await tools.get("add_memory")!.execute({ text: "x" }, {});
+
+    expect(out).toContain("add_memory failed");
+    expect(out).toContain("boom");
+  });
+});