如何在spring boot测试中打印@sql注解中脚本文件的完整路径

在Spring Boot测试中打印@Sql注解中脚本文件的完整路径，可以使用JUnit的扩展功能来实现。可以创建一个继承了SpringJUnit4ClassRunner的自定义Runner，并在其实现中获取注解中的脚本文件路径信息。

首先，创建一个自定义的Runner类，如下所示：

import org.junit.runner.notification.RunNotifier;
import org.junit.runners.BlockJUnit4ClassRunner;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.InitializationError;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks;
import org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks;
import org.springframework.test.context.junit4.statements.RunAfterEachCallbackAdapter;
import org.springframework.test.context.junit4.statements.RunBeforeEachTestMethodCallbacks;

import java.util.List;

public class CustomSpringRunner extends SpringJUnit4ClassRunner {

    public CustomSpringRunner(Class<?> clazz) throws InitializationError {
        super(clazz);
    }

    @Override
    protected void runChild(FrameworkMethod method, RunNotifier notifier) {
        TestContextManager testContextManager = getTestContextManager();
        testContextManager.prepareTestInstance(getTestClass().getJavaClass());

        CustomRunBeforeTestMethodCallbacks customRunBeforeTestMethodCallbacks =
                new CustomRunBeforeTestMethodCallbacks(testContextManager);
        CustomRunAfterTestMethodCallbacks customRunAfterTestMethodCallbacks =
                new CustomRunAfterTestMethodCallbacks(testContextManager);

        RunBeforeTestMethodCallbacks customRunBeforeTestMethodCallbacksAdapter =
                new RunBeforeTestMethodCallbacksAdapter(customRunBeforeTestMethodCallbacks);
        RunAfterTestMethodCallbacks customRunAfterTestMethodCallbacksAdapter =
                new RunAfterTestMethodCallbacksAdapter(customRunAfterTestMethodCallbacks);

        RunBeforeTestMethodCallbacks runBeforeTestMethodCallbacks = new RunBeforeTestMethodCallbacks(
                getTestClass().getJavaClass(), customRunBeforeTestMethodCallbacksAdapter);
        RunAfterTestMethodCallbacks runAfterTestMethodCallbacks = new RunAfterTestMethodCallbacks(
                getTestClass().getJavaClass(), customRunAfterTestMethodCallbacksAdapter);

        RunAfterEachCallbackAdapter afterEachCallbackAdapter = new RunAfterEachCallbackAdapter(
                getTestClass().getJavaClass(), runAfterTestMethodCallbacks);

        try {
            runBeforeTestMethodCallbacks.beforeTestMethod(getTestInstance(), method.getMethod());
            method.invokeExplosively(getTestInstance());
        } catch (Throwable ex) {
            notifier.fireTestFailure(new org.junit.runner.notification.Failure(getDescription(), ex));
        } finally {
            afterEachCallbackAdapter.runAfterEach(getTestInstance(), method.getMethod());
            runAfterTestMethodCallbacks.afterTestMethod(getTestInstance(), method.getMethod(), null);
        }
    }

    private static class CustomRunBeforeTestMethodCallbacks implements RunBeforeTestMethodCallbacks {

        private final TestContextManager testContextManager;

        public CustomRunBeforeTestMethodCallbacks(TestContextManager testContextManager) {
            this.testContextManager = testContextManager;
        }

        @Override
        public void beforeTestMethod(Object testInstance, Method testMethod) throws Exception {
            Sql sqlAnnotation = AnnotationUtils.findAnnotation(testMethod, Sql.class);
            if (sqlAnnotation != null) {
                String[] scripts = sqlAnnotation.value();
                for (String script : scripts) {
                    System.out.println("SQL script path: " + script);
                }
            }
        }
    }

    // CustomRunAfterTestMethodCallbacks 类与 CustomRunBeforeTestMethodCallbacks 类类似，请自行实现

    private static class RunBeforeTestMethodCallbacksAdapter implements org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks {

        private final CustomRunBeforeTestMethodCallbacks customRunBeforeTestMethodCallbacks;

        public RunBeforeTestMethodCallbacksAdapter(CustomRunBeforeTestMethodCallbacks customRunBeforeTestMethodCallbacks) {
            this.customRunBeforeTestMethodCallbacks = customRunBeforeTestMethodCallbacks;
        }

        @Override
        public void beforeTestMethod(Object target, Method method) throws Exception {
            customRunBeforeTestMethodCallbacks.beforeTestMethod(target, method);
        }
    }

    // RunAfterTestMethodCallbacksAdapter 类与 RunBeforeTestMethodCallbacksAdapter 类类似，请自行实现
}

接下来，在测试类上使用自定义的Runner进行测试，如下所示：

@RunWith(CustomSpringRunner.class)
public class YourTestClass {

    @Test
    @Sql("path/to/your/script.sql")
    public void yourTestMethod() {
        // Your test code here
    }
}

以上代码中，@Sql注解指定了脚本文件的路径，可以使用相对路径或绝对路径。在CustomRunBeforeTestMethodCallbacks类中，可以获取到注解中指定的脚本文件路径，并进行打印或其他操作。

需要注意的是，以上代码示例基于Spring Boot和JUnit 4.x版本实现。如果使用其他版本，可能需要进行适当的调整。

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