enhance(backend): テストの高速化 (#12939)

* enhance(backend): テストの高速化

* add ls

* 自動的にマージされるようなので不要

* 起動方法を揃える

* fix test

4 files changed, 187 insertions, 0 deletions

diff --git a/packages/backend/test-server/.eslintrc.cjs b/packages/backend/test-server/.eslintrc.cjs
new file mode 100644
index 0000000000..c261741a36
--- /dev/null
+++ b/packages/backend/test-server/.eslintrc.cjs
@@ -0,0 +1,32 @@
+module.exports = {
+	parserOptions: {
+		tsconfigRootDir: __dirname,
+		project: ['./tsconfig.json'],
+	},
+	extends: [
+		'../../shared/.eslintrc.js',
+	],
+	rules: {
+		'import/order': ['warn', {
+			'groups': ['builtin', 'external', 'internal', 'parent', 'sibling', 'index', 'object', 'type'],
+			'pathGroups': [
+				{
+					'pattern': '@/**',
+					'group': 'external',
+					'position': 'after'
+				}
+			],
+		}],
+		'no-restricted-globals': [
+			'error',
+			{
+				'name': '__dirname',
+				'message': 'Not in ESModule. Use `import.meta.url` instead.'
+			},
+			{
+				'name': '__filename',
+				'message': 'Not in ESModule. Use `import.meta.url` instead.'
+			}
+	]
+	},
+};
diff --git a/packages/backend/test-server/.swcrc b/packages/backend/test-server/.swcrc
new file mode 100644
index 0000000000..e3d6935169
--- /dev/null
+++ b/packages/backend/test-server/.swcrc
@@ -0,0 +1,23 @@
+{
+	"$schema": "https://json.schemastore.org/swcrc",
+	"jsc": {
+		"parser": {
+			"syntax": "typescript",
+			"dynamicImport": true,
+			"decorators": true
+		},
+		"transform": {
+			"legacyDecorator": true,
+			"decoratorMetadata": true
+		},
+		"experimental": {
+			"keepImportAssertions": true
+		},
+		"baseUrl": "../built",
+		"paths": {
+			"@/*": ["*"]
+		},
+		"target": "es2022"
+	},
+	"minify": false
+}
diff --git a/packages/backend/test-server/entry.ts b/packages/backend/test-server/entry.ts
new file mode 100644
index 0000000000..866a7e1f5b
--- /dev/null
+++ b/packages/backend/test-server/entry.ts
@@ -0,0 +1,80 @@
+import { portToPid } from 'pid-port';
+import fkill from 'fkill';
+import Fastify from 'fastify';
+import { NestFactory } from '@nestjs/core';
+import { MainModule } from '@/MainModule.js';
+import { ServerService } from '@/server/ServerService.js';
+import { loadConfig } from '@/config.js';
+import { NestLogger } from '@/NestLogger.js';
+
+const config = loadConfig();
+const originEnv = JSON.stringify(process.env);
+
+process.env.NODE_ENV = 'test';
+
+/**
+ * テスト用のサーバインスタンスを起動する
+ */
+async function launch() {
+	await killTestServer();
+
+	console.log('starting application...');
+
+	const app = await NestFactory.createApplicationContext(MainModule, {
+		logger: new NestLogger(),
+	});
+	const serverService = app.get(ServerService);
+	await serverService.launch();
+
+	await startControllerEndpoints();
+
+	// ジョブキューは必要な時にテストコード側で起動する
+	// ジョブキューが動くとテスト結果の確認に支障が出ることがあるので意図的に動かさないでいる
+
+	console.log('application initialized.');
+}
+
+/**
+ * 既に重複したポートで待ち受けしているサーバがある場合はkillする
+ */
+async function killTestServer() {
+	//
+	try {
+		const pid = await portToPid(config.port);
+		if (pid) {
+			await fkill(pid, { force: true });
+		}
+	} catch {
+		// NOP;
+	}
+}
+
+/**
+ * 別プロセスに切り離してしまったが故に出来なくなった環境変数の書き換え等を実現するためのエンドポイントを作る
+ * @param port
+ */
+async function startControllerEndpoints(port = config.port + 1000) {
+	const fastify = Fastify();
+
+	fastify.post<{ Body: { key?: string, value?: string } }>('/env', async (req, res) => {
+		console.log(req.body);
+		const key = req.body['key'];
+		if (!key) {
+			res.code(400).send({ success: false });
+			return;
+		}
+
+		process.env[key] = req.body['value'];
+
+		res.code(200).send({ success: true });
+	});
+
+	fastify.post<{ Body: { key?: string, value?: string } }>('/env-reset', async (req, res) => {
+		process.env = JSON.parse(originEnv);
+		res.code(200).send({ success: true });
+	});
+
+	await fastify.listen({ port: port, host: 'localhost' });
+}
+
+export default launch;
diff --git a/packages/backend/test-server/tsconfig.json b/packages/backend/test-server/tsconfig.json
new file mode 100644
index 0000000000..10313699c2
--- /dev/null
+++ b/packages/backend/test-server/tsconfig.json
@@ -0,0 +1,52 @@
+{
+	"compilerOptions": {
+		"allowJs": true,
+		"noEmitOnError": true,
+		"noImplicitAny": true,
+		"noImplicitReturns": true,
+		"noUnusedParameters": false,
+		"noUnusedLocals": false,
+		"noFallthroughCasesInSwitch": true,
+		"declaration": false,
+		"sourceMap": true,
+		"target": "ES2022",
+		"module": "nodenext",
+		"moduleResolution": "nodenext",
+		"allowSyntheticDefaultImports": true,
+		"removeComments": false,
+		"noLib": false,
+		"strict": true,
+		"strictNullChecks": true,
+		"strictPropertyInitialization": false,
+		"skipLibCheck": true,
+		"experimentalDecorators": true,
+		"emitDecoratorMetadata": true,
+		"resolveJsonModule": true,
+		"isolatedModules": true,
+		"rootDir": "../src",
+		"baseUrl": "./",
+		"paths": {
+			"@/*": ["../src/*"]
+		},
+		"outDir": "../built-test",
+		"types": [
+			"node"
+		],
+		"typeRoots": [
+			"../src/@types",
+			"../node_modules/@types",
+			"../node_modules"
+		],
+		"lib": [
+			"esnext"
+		]
+	},
+	"compileOnSave": false,
+	"include": [
+		"./**/*.ts",
+		"../src/**/*.ts"
+	],
+	"exclude": [
+		"../src/**/*.test.ts"
+	]
+}