chore: import upstream snapshot with attribution

showcase/integrations/mastra/shared-tools/__tests__/query-data.test.ts

@@ -0,0 +1,61 @@
+import { describe, it, expect } from "vitest";
+import { queryDataImpl } from "../query-data";
+
+describe("queryDataImpl", () => {
+  it("returns an array", () => {
+    expect(Array.isArray(queryDataImpl("test"))).toBe(true);
+  });
+
+  it("returns 66 rows (11 categories x 6 months)", () => {
+    expect(queryDataImpl("test")).toHaveLength(66);
+  });
+
+  it("rows have expected columns", () => {
+    const row = queryDataImpl("test")[0];
+    expect(row).toHaveProperty("date");
+    expect(row).toHaveProperty("category");
+    expect(row).toHaveProperty("subcategory");
+    expect(row).toHaveProperty("amount");
+    expect(row).toHaveProperty("type");
+    expect(row).toHaveProperty("notes");
+  });
+
+  it("returns same data regardless of query", () => {
+    const r1 = queryDataImpl("revenue");
+    const r2 = queryDataImpl("expenses");
+    expect(r1).toEqual(r2);
+  });
+
+  it("is deterministic (seeded RNG)", () => {
+    const r1 = queryDataImpl("test");
+    const r2 = queryDataImpl("test");
+    expect(r1).toEqual(r2);
+  });
+
+  it("categories are Revenue or Expenses", () => {
+    const rows = queryDataImpl("test");
+    const categories = new Set(rows.map((r) => r.category));
+    expect(categories).toEqual(new Set(["Revenue", "Expenses"]));
+  });
+
+  it("types are income or expense", () => {
+    const rows = queryDataImpl("test");
+    const types = new Set(rows.map((r) => r.type));
+    expect(types).toEqual(new Set(["income", "expense"]));
+  });
+
+  it("dates are in 2026", () => {
+    const rows = queryDataImpl("test");
+    for (const row of rows) {
+      expect(row.date).toMatch(/^2026-/);
+    }
+  });
+
+  it("amount is a numeric string", () => {
+    const rows = queryDataImpl("test");
+    for (const row of rows) {
+      expect(Number(row.amount)).not.toBeNaN();
+      expect(Number(row.amount)).toBeGreaterThan(0);
+    }
+  });
+});