testing fetchContributions

Author: forman

chartlets.js/packages/lib/src/api/fetchContributions.test.ts

@@ -0,0 +1,35 @@
+import { describe, it, vi, expect, beforeEach, afterEach, Mock } from "vitest";
+import { fetchContributions } from "./fetchContributions";
+
+describe("fetchContributions", () => {
+  beforeEach(() => {
+    // Mock the global fetch function
+    globalThis.fetch = vi.fn();
+  });
+
+  afterEach(() => {
+    // Restore the original fetch implementation
+    vi.restoreAllMocks();
+  });
+
+  it("should return expected data on success", async () => {
+    // Define a mock response
+    const mockResponse = {
+      json: vi.fn().mockResolvedValue({ message: "Hello, world!" }),
+    };
+
+    // Mock fetch to resolve with the mock response
+    (globalThis.fetch as Mock).mockResolvedValue(mockResponse);
+
+    // Call fetch
+    const response = await fetchContributions({
+      serverUrl: "https://chartlets-test",
+      endpointName: "api",
+    });
+    const data = response.data;
+
+    // Assertions
+    expect(fetch).toHaveBeenCalledOnce();
+    expect(data).toEqual({ message: "Hello, world!" });
+  });
+});