我有一个方法,我正在尝试进行单元测试.此方法将参数作为 ArrayList 并对其进行处理.我试图定义的模拟是:
I have a method that I am trying to unit test. This method takes a parameter as an ArrayList and does things with it. The mock I am trying to define is:
ArrayList<String> mocked = mock(ArrayList.class);
这会给出 [unchecked] unchecked conversion"警告.
which gives a [unchecked] unchecked conversion" warning.
ArrayList<String> mocked = mock(ArrayList<String>.class);
给我一个错误.
有人愿意告诉我我做错了什么吗?
Anyone care to enlighten me as to what I am doing wrong?
替代方案是使用@Mock注解,因为Mockito可以使用类型反射来找到泛型类型:
The alternative is to use the @Mock annotation since then Mockito can use type reflection to find the generic type:
public class MyTest {
@Mock
private ArrayList<String> mockArrayList;
...
public void setUp() {
MockitoAnnotations.initMocks(this);
}
public void testMyTest() {
when(mockArrayList.get(0)).thenReturn("Hello world");
String result = mockArrayList.get(0);
assertEquals("Should have the correct string", "Hello world", result);
verify(mockArrayList).get(0);
}
}
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