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我是EasyMock和PowerMock的新手,我被困在可能是非常基本的東西。PowerMock和EasyMock方法嘲諷問題
以下是我的代碼,我想測試
import java.io.File;
public class FileOp() {
private static FileOp instance = null;
public string hostIp = "";
public static FileOp() {
if(null == instance)
instance = new FileOp();
}
private FileOp() {
init();
}
init() {
hostIp = "xxx.xxx.xxx.xxx";
}
public boolean deleteFile(String fileName) {
File file = new File(fileName);
if(file.exists()) {
if(file.delete())
return true;
else
return false;
}
else {
return false;
}
}
}
以下是我的測試代碼...
import org.easymock.EasyMock;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.api.easymock.PowerMock;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.powermock.reflect.Whitebox;
import java.io.File;
import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(PowerMockRunner.class)
@PrepareForTest(FileOp.class)
public class FileOp_JTest
{
@Test
@PrepareForTest(File.class)
public void deleteFile_Success(){
try {
final String path = "samplePath";
//Prepare
File fileMock = EasyMock.createMock(File.class);
//Setup
PowerMock.expectNew(File.class, path).andReturn(fileMock);
expect(fileMock.exists()).andReturn(true);
expect(fileMock.delete()).andReturn(true);
PowerMock.replayAll(fileMock);
//Act
FileOp fileOp = Whitebox.invokeConstructor(FileOp.class);
assertTrue(fileOp.deleteFile(path));
//Verify
PowerMock.verifyAll();
}
catch (Exception e) {
e.printStackTrace();
assertFalse(true);
}
}
}
測試失敗因爲 assertTrue(fileOp.deleteFile(path));
我調用deleteFile(「samplePath」)時試圖執行file.exists()並返回false。但是,我嘲笑file.exists()返回true。
我能解決這個問題。測試通過一次,我把文件和FileOp類在PrepareForTest的類級別 我還看到,如果我從類級別中刪除@PrepareForTest並將@PrepareForTest({File.class,FileOp.class})測試通過。 正如你在這裏看到的,我已經在方法級別放置了一個@PrepareForTest(File.class)和PrepareForTest(FileOp.class)。 這是怎麼發生的? – maverick 2012-03-30 15:45:42