如何使用Mockito/PowerMockito触发IOException进行单元/集成测试

<dependency>
    <groupId>org.mockito</groupId>
    <artifactId>mockito-core</artifactId>
    <version>2.0.0</version>
    <scope>test</scope>
</dependency>
<dependency>
    <groupId>org.powermock</groupId>
    <artifactId>powermock-api-mockito2</artifactId>
    <version>2.0.0</version>
    <scope>test</scope>
</dependency>

public class FileProcessor {
    public void processFile(String filePath) throws IOException {
        // 读取文件并进行处理
        // ...
    }
}

import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

import java.io.IOException;

import static org.mockito.Mockito.when;
import static org.powermock.api.mockito.PowerMockito.mockStatic;

@RunWith(PowerMockRunner.class)
@PrepareForTest({FileProcessor.class})
public class FileProcessorTest {
    @Mock
    private FileProcessor fileProcessor;

    @Test(expected = IOException.class)
    public void testProcessFile() throws IOException {
        mockStatic(FileProcessor.class);
        when(fileProcessor.processFile("mockFilePath")).thenThrow(new IOException());

        fileProcessor.processFile("mockFilePath");
    }
}