test: isDocumentedRoute

Author: omermecitoglu

src/core/isDocumentedRoute.test.ts

@@ -1,8 +1,30 @@
-import { describe, expect, it } from "@jest/globals";
+import fs from "node:fs/promises";
+import { describe, expect, it, jest } from "@jest/globals";
 import isDocumentedRoute from "./isDocumentedRoute";
 
+jest.mock("node:fs/promises");
+
 describe("isDocumentedRoute", () => {
-  it("should exist", () => {
-    expect(typeof isDocumentedRoute).toBe("function");
+  it("should return true if the file contains the target string", async () => {
+    const mockFileContent = "import { handler } from '@omer-x/next-openapi-route-handler';";
+    jest.spyOn(fs, "readFile").mockResolvedValue(mockFileContent);
+
+    const result = await isDocumentedRoute("some/path/to/file.ts");
+    expect(result).toBe(true);
+  });
+
+  it("should return false if the file does not contain the target string", async () => {
+    const mockFileContent = "import someOtherLibrary from 'another-package';";
+    jest.spyOn(fs, "readFile").mockResolvedValue(mockFileContent);
+
+    const result = await isDocumentedRoute("some/path/to/file.ts");
+    expect(result).toBe(false);
+  });
+
+  it("should return false if an error occurs while reading the file", async () => {
+    jest.spyOn(fs, "readFile").mockRejectedValue(new Error("File not found"));
+
+    const result = await isDocumentedRoute("non/existent/path.ts");
+    expect(result).toBe(false);
   });
 });