ci: add optionsWithDefault testing

src/options.test.ts

@@ -0,0 +1,53 @@
+import { describe, expect, it } from "vitest";
+
+import type { Options } from "./options";
+
+import { optionsWithDefault } from "./options";
+
+describe("optionsWithDefault", () => {
+  it("should return default options when no user options are provided", () => {
+    const result = optionsWithDefault();
+    const expected: Options = {
+      cwd: process.cwd(),
+      todoFile: ".eslint-todo.js",
+    };
+    expect(result).toStrictEqual(expected);
+  });
+
+  it("should override default options with user options", () => {
+    const userOptions = {
+      todoFile: "custom-todo.js",
+    };
+    const result = optionsWithDefault(userOptions);
+    const expected: Options = {
+      cwd: process.cwd(),
+      todoFile: "custom-todo.js",
+    };
+    expect(result).toStrictEqual(expected);
+  });
+
+  it("should handle partial user options", () => {
+    const userOptions = {
+      cwd: "/custom/path",
+    };
+    const result = optionsWithDefault(userOptions);
+    const expected: Options = {
+      cwd: "/custom/path",
+      todoFile: ".eslint-todo.js",
+    };
+    expect(result).toStrictEqual(expected);
+  });
+
+  it("should respect all user options", () => {
+    const userOptions = {
+      cwd: "/custom/path",
+      todoFile: "custom-todo.js",
+    };
+    const result = optionsWithDefault(userOptions);
+    const expected: Options = {
+      cwd: "/custom/path",
+      todoFile: "custom-todo.js",
+    };
+    expect(result).toStrictEqual(expected);
+  });
+});