通缉但不是援引：Mockito测试

我有一个问题。我不明白为什么mockito会出现异常。 RecordWriter在该文件中写入一条记录。我想验证它是否写入。我实现了另一个功能，我试图模拟（OutputStream.class），但结果是一样的。我目前的测试是：通缉但不是援引：Mockito测试

try (RecordWriter writer = new RecordWriter(serverAlias)) 
      { 
      RecordWriter wr = mock(RecordWriter.class); 
      writer.writeRecordToFile(httpRecord.printRecord().getBytes(CHARSET_UTF8)); 
      verify(wr,times(1)).writeRecordToFile(httpRecord.printRecord().getBytes(CHARSET_UTF8)); 

      }

唯一的例外是：

Wanted but not invoked: 
recordWriter.writeRecordToFile(
    [50, 48, 49, 54, 48, 51, 49, 56, 45, 49, 50, 49, 52, 49, 51, 44, 50, 48, 49, 54, 48, 51, 49, 56, 49, 49, 50, 50, 44, 50, 48, 49, 54, 48, 51, 49, 56, 49, 49, 50, 57, 44, 51, 51, 51, 54, 53, 52, 56, 55, 57, 56, 44, 112, 114, 111, 118, 97, 44, 104, 101, 108, 108, 111, 44, 105, 32, 100, 111, 110, 39, 116, 32, 107, 110, 111, 119, 10] 
); 
-> at report.RecordWriterTest.setup(RecordWriterTest.java:72) 
Actually, there were zero interactions with this mock. 

    at report.RecordWriterTest.setup(RecordWriterTest.java:72) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:497) 
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) 
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) 
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) 
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) 
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) 
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) 
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363) 
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86) 
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) 
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) 
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) 
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) 
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

感谢所有。

来源

2016-03-18 Vincenzo Santoliquido

您不在模拟上调用writeRecordToFile方法。 – Reins

Thx。我在RecordWriting中有一些功能阻止写入。例如，如果目录的大小大于2MB，则ReportWriting不会写入更多内容。如果我调用wr.writeRecordToFile（），可以用mockito来测试它吗？ –

您不在模拟上调用writeRecordToFile方法。

您有：

1）一个真实的例子 - RecordWriter writer = new RecordWriter(serverAlias)

2）模拟 - RecordWriter wr = mock(RecordWriter.class);

和你打电话的真实实例（作家的方法），并尝试以验证模拟（wr）与互动。

更改方法调用：wr.writeRecordToFile(httpRecord.printRecord().getBytes(CHARSET_UTF8));

，它应该工作。虽然这似乎是一个毫无意义的测试，如果你问我。

来源

2016-03-18 11:48:44 Reins

通缉但不是援引：Mockito测试

回答

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