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  • [Mockito] Mock List interface

    In this post, we are going to see more functionalities in Mockito.

    Mock a List interface:

        @Test
        public void testZie_returnOnce() {
            List listMock = mock(List.class);
            when(listMock.size()).thenReturn(10);
            assertEquals(10, listMock.size());
        }

    Call multi times:

        @Test
        public void testZie_returnMultis() {
            List listMock = mock(List.class);
            when(listMock.size()).thenReturn(10).thenReturn(20);
            assertEquals(10, listMock.size());
            assertEquals(20, listMock.size());
        }

    First call, return 10, second times return 20.

    Mock, List.get():

        @Test
        public void testZie_returnGet() {
            List listMock = mock(List.class);
            when(listMock.get(0)).thenReturn("Good");
            assertEquals("Good", listMock.get(0));
            assertEquals(null, listMock.get(1));
        }

    Mockito.anyInt():

        @Test
        public void testZie_returnGetAny() {
            List listMock = mock(List.class);
            when(listMock.get(Mockito.anyInt())).thenReturn("Good");
            assertEquals("Good", listMock.get(0));
            assertEquals("Good", listMock.get(1));
        }
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  • 原文地址:https://www.cnblogs.com/Answer1215/p/10758734.html
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