I have following class
class MyClass{
public void m(InputStream is){
...
Parser eParser = getExcelFileParser();
eParser.parse(is);
...
eParser.foo();
eParser.bar();
}
public ExcelFileParser getExcelFileParser(){
...
}
}
How to write unit test for method m
at this situation? I want to mock eParser
object only.
Is it possible?
I use Mockito and PowerMockito
You can do what you want in Mockito (no PowerMock needed) using a spy
without changing your code at all.
In your unit test you need to do something like the following:
ExcelFileParser parser = mock(ExcelFileParser.class);
MyClass myClass = spy(new MyClass());
doReturn(parser).when(myClass).getExcelFileParser();
您可以将 AnotherObject 作为参数传递给方法 m 而不是在方法本身中调用 getAnotherObject() 吗?
Preface: I use EasyMock not Mockito so this may be a bit off.
Can't you create an inner subclass of MyClass in your test that overrides getExcelFileParser and has it return a mock? Like this:
public class MyClassMock extends MyClass {
ExcelFileParser _mock;
public MyClassMock(ExcelFileParser mock) {
_mock = mock;
}
@Override
public ExcelFileParser getExcelFileParser() {
return _mock;
}
}
I haven't tested this so there could be issues with this, but the basic idea should be right.
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