テストの設置場所を変更

__tests__/basic/script.test.ts

@@ -0,0 +1,18 @@
+import { describe, test, expect } from "vitest";
+import { func1, func2 } from "../../basic/script";
+
+describe("ループ・配列の問題", () => {
+  test("func1", () => expect(func1(5)).toEqual([1, 2, 3, 4, 5]));
+  test("func1", () => expect(func1(8)).toEqual([1, 2, 3, 4, 5, 6, 7, 8]));
+  test("func1", () => expect(func1(-1)).toEqual([]));
+});
+
+describe("条件分岐・データ型の問題", () => {
+  test("func2", () => expect(func2(1)).toEqual("1"));
+  test("func2", () => expect(func2(3)).toEqual("Fizz"));
+  test("func2", () => expect(func2(5)).toEqual("Buzz"));
+  test("func2", () => expect(func2(15)).toEqual("FizzBuzz"));
+  test("func2", () => expect(func2(22)).toEqual("22"));
+  test("func2", () => expect(func2(30)).toEqual("FizzBuzz"));
+  test("func2", () => expect(func2("hogehoge")).toEqual("error"));
+});

dom/script.test.ts → __tests__/dom/script.test.ts

@@ -1,7 +1,7 @@
 import { test, expect, describe, beforeEach } from "vitest";
 import { screen } from "@testing-library/dom";
 
-import { main } from "./script";
+import { main } from "../../dom/script";
 
 beforeEach(() => {
   document.body.innerHTML = `
@@ -12,7 +12,7 @@ beforeEach(() => {
   `;
 });
 
-describe("", () => {
+describe("DOM操作の問題", () => {
   test("リンクが正しく追加されている", () => {
     main();
     const a = screen.queryByTestId<HTMLAnchorElement>("a");

__tests__/function/script.test.ts

@@ -0,0 +1,14 @@
+import { describe, test, expect } from "vitest";
+import { func1, func2 } from "../../function/script";
+
+describe("関数型プログラミングの問題1", () => {
+  test("正しい結果が返ってきている", () => {
+    expect(func1()).toEqual(["Ken", "Hana"]);
+  });
+});
+
+describe("関数型プログラミングの問題2", () => {
+  test("正しい結果が返ってきている", () => {
+    expect(func2()).toEqual(125);
+  });
+});

__tests__/object/script.test.ts

@@ -0,0 +1,37 @@
+import { describe, test, expect } from "vitest";
+import { func1, func2, func3 } from "../../object/script";
+
+describe("オブジェクトの問題1", () => {
+  test("正しい結果が返ってきている", () => {
+    expect(func1()).toMatchObject({
+      firstName: "Ken",
+      lastName: "Takahashi",
+      age: 29,
+      gender: "male",
+      interests: [
+        {
+          name: "programming",
+          emoji: "💻",
+        },
+        {
+          name: "motorcycle",
+          emoji: "🏍",
+        },
+      ],
+    });
+  });
+});
+
+describe("オブジェクトの問題2", () => {
+  test("正しい結果が返ってきている", () => {
+    expect(func2()).toEqual(
+      '{"firstName":"Ken","lastName":"Takahashi","age":29}'
+    );
+  });
+});
+
+describe("オブジェクトの問題3", () => {
+  test("正しい結果が返ってきている", () => {
+    expect(func3()).toEqual("Leanne Graham,[email protected]");
+  });
+});

__tests__/promise/script.test.ts

@@ -0,0 +1,66 @@
+import { describe, test, expect, vi } from "vitest";
+import { func1, func2, func3 } from "../../promise/script";
+
+const results = [
+  {
+    userId: 1,
+    id: 1,
+    title: "delectus aut autem",
+    completed: false,
+  },
+  {
+    userId: 1,
+    id: 2,
+    title: "quis ut nam facilis et officia qui",
+    completed: false,
+  },
+  {
+    userId: 1,
+    id: 3,
+    title: "fugiat veniam minus",
+    completed: false,
+  },
+  {
+    userId: 1,
+    id: 4,
+    title: "et porro tempora",
+    completed: true,
+  },
+  {
+    userId: 1,
+    id: 5,
+    title: "laboriosam mollitia et enim quasi adipisci quia provident illum",
+    completed: false,
+  },
+];
+
+describe("非同期処理の問題", () => {
+  test("正しい値が取得できている", async () => {
+    const json = await func1();
+    expect(json).toMatchObject(results[0]);
+  });
+});
+
+describe("非同期処理の問題 - 直列処理", () => {
+  test("正しい順番で実行できている", async () => {
+    const spy = vi
+      .spyOn(global.console, "log")
+      .mockImplementation((args) => args);
+    await func2();
+    for (const result of results) {
+      expect(spy).toHaveReturnedWith(result);
+    }
+  });
+});
+
+describe("非同期処理の問題 - 並列処理", () => {
+  test("正しい値が取得できている", async () => {
+    const json = await func3();
+    expect(json).toMatchObject(results);
+  });
+  test("Promise.allが使われている", async () => {
+    const spy = vi.spyOn(Promise, "all");
+    await func3();
+    expect(spy).toHaveBeenCalled();
+  });
+});