使用Maven为JUnit配置数据源

<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.26</version>
    </dependency>
</dependencies>

db.url=jdbc:mysql://localhost:3306/mydatabase
db.username=root
db.password=123456

import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

public class MyTest {
    private static Properties properties;
    private static DataSource dataSource;

    @BeforeClass
    public static void setUpClass() throws IOException {
        properties = new Properties();
        properties.load(new FileInputStream("src/test/resources/test.properties"));
    }

    @Before
    public void setUp() {
        String url = properties.getProperty("db.url");
        String username = properties.getProperty("db.username");
        String password = properties.getProperty("db.password");

        dataSource = new DataSource(url, username, password);
    }

    @Test
    public void testSomething() {
        // 使用dataSource进行数据库操作
    }
}