diff --git a/tests/unit/backend/electron/vvppFile.node.spec.ts b/tests/unit/backend/electron/vvppFile.node.spec.ts
new file mode 100644
index 0000000000..bc4d071c1a
--- /dev/null
+++ b/tests/unit/backend/electron/vvppFile.node.spec.ts
@@ -0,0 +1,72 @@
+import os from "os";
+import path from "path";
+import { exec } from "child_process";
+import fs from "fs";
+import { promisify } from "util";
+import { test, afterAll, beforeAll } from "vitest";
+import { extractVvpp } from "@/backend/electron/vvppFile";
+import { uuid4 } from "@/helpers/random";
+
+let tmpDir: string;
+beforeAll(() => {
+  tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), uuid4()));
+});
+afterAll(() => {
+  fs.rmdirSync(tmpDir, { recursive: true });
+});
+
+test("正しいVVPPファイルからエンジンを切り出せる", async () => {
+  const targetName = "perfect.vvpp";
+  const sourceDir = path.join(__dirname, "vvpps", targetName);
+  const outputFilePath = path.join(tmpDir, uuid4() + targetName);
+  await createZipFile(sourceDir, outputFilePath);
+  await extractVvpp(outputFilePath, tmpDir);
+});
+
+test.fails("分割されたVVPPファイルからエンジンを切り出せる", async () => {
+  // TODO: electronのappに依存しているのでテストが通らない。依存がなくなり次第.failsを失くす
+  const targetName = "perfect.vvpp";
+  const sourceDir = path.join(__dirname, "vvpps", targetName);
+  const outputFilePath = path.join(tmpDir, uuid4() + targetName);
+  await createZipFile(sourceDir, outputFilePath);
+
+  const outputFilePath1 = outputFilePath + ".1.vvppp";
+  const outputFilePath2 = outputFilePath + ".2.vvppp";
+  splitFile(outputFilePath, outputFilePath1, outputFilePath2);
+  await extractVvpp(outputFilePath1, tmpDir);
+});
+
+test.each([
+  ["invalid_manifest.vvpp", /SyntaxError|is not valid JSON/],
+  ["no_engine_id.vvpp", undefined], // TODO: エンジンIDが見つからない専用のエラーを用意する
+  ["no_manifest.vvpp", /ENOENT|engine_manifest.json/],
+])(
+  "不正なVVPPファイルからエンジンを切り出せない: %s",
+  async (targetName, expectedError) => {
+    const sourceDir = path.join(__dirname, "vvpps", targetName);
+    const outputFilePath = path.join(tmpDir, uuid4() + targetName);
+    await createZipFile(sourceDir, outputFilePath);
+    await expect(extractVvpp(outputFilePath, tmpDir)).rejects.toThrow(
+      expectedError,
+    );
+  },
+);
+
+/** 7zを使って指定したフォルダからzipファイルを作成する */
+async function createZipFile(sourceDir: string, outputFilePath: string) {
+  const zipBin = import.meta.env.VITE_7Z_BIN_NAME;
+  const command = `"${zipBin}" a -tzip "${outputFilePath}" "${sourceDir}\\*"`;
+  await promisify(exec)(command);
+}
+
+/** ファイルを2つに分割する */
+function splitFile(
+  inputFilePath: string,
+  outputFilePath1: string,
+  outputFilePath2: string,
+) {
+  const data = fs.readFileSync(inputFilePath);
+  const midPoint = Math.floor(data.length / 2);
+  fs.writeFileSync(outputFilePath1, data.subarray(0, midPoint));
+  fs.writeFileSync(outputFilePath2, data.subarray(midPoint));
+}
diff --git a/tests/unit/backend/electron/vvpps/README.md b/tests/unit/backend/electron/vvpps/README.md
new file mode 100644
index 0000000000..72730c93d0
--- /dev/null
+++ b/tests/unit/backend/electron/vvpps/README.md
@@ -0,0 +1,9 @@
+# vvpps
+
+テスト用のVVPPファイルを作るためのディレクトリ。
+各ディレクトリをzip化して拡張子を.vvppに変えればテスト用ファイルになる。
+
+- perfect.vvpp：完璧なVVPP
+- invalid_manifest.vvpp：不正なエンジンマニフェストがあるVVPP
+- no_manifest.vvpp：エンジンマニフェストがないVVPP
+- no_engine_id.vvpp：エンジンマニフェストはあるが、エンジンidがないVVPP
diff --git a/tests/unit/backend/electron/vvpps/invalid_manifest.vvpp/engine_manifest.json b/tests/unit/backend/electron/vvpps/invalid_manifest.vvpp/engine_manifest.json
new file mode 100644
index 0000000000..ea368b7a02
--- /dev/null
+++ b/tests/unit/backend/electron/vvpps/invalid_manifest.vvpp/engine_manifest.json
@@ -0,0 +1 @@
+invalid manifest
\ No newline at end of file
diff --git a/tests/unit/backend/electron/vvpps/no_engine_id.vvpp/engine_manifest.json b/tests/unit/backend/electron/vvpps/no_engine_id.vvpp/engine_manifest.json
new file mode 100644
index 0000000000..e2575552e2
--- /dev/null
+++ b/tests/unit/backend/electron/vvpps/no_engine_id.vvpp/engine_manifest.json
@@ -0,0 +1,6 @@
+{
+  "name": "Dummy Engine",
+  "command": "dummy.exe",
+  "port": 404,
+  "supported_features": {}
+}
diff --git a/tests/unit/backend/electron/vvpps/no_manifest.vvpp/invalid_file_name.json b/tests/unit/backend/electron/vvpps/no_manifest.vvpp/invalid_file_name.json
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/tests/unit/backend/electron/vvpps/perfect.vvpp/engine_manifest.json b/tests/unit/backend/electron/vvpps/perfect.vvpp/engine_manifest.json
new file mode 100644
index 0000000000..7f32baf842
--- /dev/null
+++ b/tests/unit/backend/electron/vvpps/perfect.vvpp/engine_manifest.json
@@ -0,0 +1,7 @@
+{
+  "name": "Dummy Engine",
+  "uuid": "00000000-0000-0000-0000-000000000001",
+  "command": "dummy.exe",
+  "port": 404,
+  "supported_features": {}
+}