test(api): cover assistant country tools

packages/api/src/__tests__/assistant-tools-country-mutations-errors.test.ts

@@ -0,0 +1,65 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { SystemRole } from "@capakraken/shared";
+
+import { executeTool } from "../router/assistant-tools.js";
+import { createToolContext } from "./assistant-tools-country-test-helpers.js";
+
+describe("assistant country mutation tools - errors", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it("returns a stable error when creating a country with a duplicate code", async () => {
+    const ctx = createToolContext({
+      country: {
+        findUnique: vi.fn().mockResolvedValue({
+          id: "country_es_existing",
+          code: "ES",
+          name: "Existing Spain",
+        }),
+      },
+    });
+
+    const result = await executeTool(
+      "create_country",
+      JSON.stringify({ code: "ES", name: "Spain", dailyWorkingHours: 8 }),
+      ctx,
+    );
+
+    expect(JSON.parse(result.content)).toEqual({
+      error: "A country with this code already exists.",
+    });
+  });
+
+  it("returns a stable error when updating a missing country", async () => {
+    const ctx = createToolContext({
+      country: {
+        findUnique: vi.fn().mockResolvedValue(null),
+      },
+    });
+
+    const result = await executeTool(
+      "update_country",
+      JSON.stringify({ id: "country_missing", data: { name: "Atlantis" } }),
+      ctx,
+    );
+
+    expect(JSON.parse(result.content)).toEqual({
+      error: "Country not found with the given criteria.",
+    });
+  });
+
+  it("refuses country mutations for non-admin users", async () => {
+    const ctx = createToolContext({ country: {} }, [], SystemRole.MANAGER);
+
+    const result = await executeTool(
+      "create_country",
+      JSON.stringify({ code: "ES", name: "Spain" }),
+      ctx,
+    );
+
+    expect(JSON.parse(result.content)).toEqual({
+      error: "You do not have permission to perform this action.",
+    });
+  });
+});