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packages/testing/containers/services/mysql.ts

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+import { MySqlContainer, type StartedMySqlContainer } from '@testcontainers/mysql';
+import type { StartedNetwork } from 'testcontainers';
+
+import { TEST_CONTAINER_IMAGES } from '../test-containers';
+import type { Service, ServiceResult } from './types';
+
+const HOSTNAME = 'mysql';
+
+export interface MySqlMeta {
+	database: string;
+	username: string;
+	password: string;
+	port: number;
+	internalHost: string;
+	externalHost: string;
+	externalPort: number;
+}
+
+export type MySqlResult = ServiceResult<MySqlMeta> & {
+	container: StartedMySqlContainer;
+};
+
+export const mysqlService: Service<MySqlResult> = {
+	description: 'MySQL database for integration testing',
+
+	async start(network: StartedNetwork, projectName: string): Promise<MySqlResult> {
+		const container = await new MySqlContainer(TEST_CONTAINER_IMAGES.mysql)
+			.withNetwork(network)
+			.withNetworkAliases(HOSTNAME)
+			.withDatabase('n8n_test')
+			.withUsername('n8n_user')
+			.withRootPassword('root_password')
+			.withUserPassword('test_password')
+			.withStartupTimeout(60_000)
+			.withLabels({
+				'com.docker.compose.project': projectName,
+				'com.docker.compose.service': HOSTNAME,
+			})
+			.withName(`${projectName}-${HOSTNAME}`)
+			.withReuse()
+			.start();
+
+		return {
+			container,
+			meta: {
+				database: container.getDatabase(),
+				username: container.getUsername(),
+				password: container.getUserPassword(),
+				port: 3306,
+				internalHost: HOSTNAME,
+				externalHost: container.getHost(),
+				externalPort: container.getPort(),
+			},
+		};
+	},
+
+	env(result: MySqlResult, external?: boolean): Record<string, string> {
+		if (!external) return {};
+		return {
+			DB_TYPE: 'mysqldb',
+			DB_MYSQLDB_HOST: result.meta.externalHost,
+			DB_MYSQLDB_PORT: String(result.meta.externalPort),
+			DB_MYSQLDB_DATABASE: result.meta.database,
+			DB_MYSQLDB_USER: result.meta.username,
+			DB_MYSQLDB_PASSWORD: result.meta.password,
+		};
+	},
+};