In the below code we are going to mock the List Interface and override the method behaviour of List Methods
\nMethods mocked<\/p>\n
ListTest.java<\/strong> <\/p>\n In the below code we are going to mock the List Interface and override the method behaviour of List Methods Methods mocked get(index) size() exception ListTest.java package com.mugil.org; import org.junit.Before; import org.junit.Test; import java.util.List; import static org.junit.Assert.assertNotEquals; import static org.mockito.Matchers.anyInt; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.when; import static org.junit.Assert.assertEquals; public class ListTest { List arrEmployee;… Continue reading \r\npackage com.mugil.org;\r\n\r\nimport org.junit.Before;\r\nimport org.junit.Test;\r\nimport java.util.List;\r\nimport static org.junit.Assert.assertNotEquals;\r\nimport static org.mockito.Matchers.anyInt;\r\nimport static org.mockito.Mockito.mock;\r\nimport static org.mockito.Mockito.when;\r\nimport static org.junit.Assert.assertEquals;\r\n\r\npublic class ListTest {\r\n List arrEmployee;\r\n\r\n @Before\r\n public void init(){\r\n arrEmployee = mock(List.class);\r\n }\r\n\r\n @Test\r\n public void ListMock_SizeMethod(){\r\n when(arrEmployee.size()).thenReturn(3);\r\n assertEquals(3, arrEmployee.size());\r\n }\r\n\r\n @Test\r\n public void ListMock_GetMethod(){\r\n when(arrEmployee.get(0)).thenReturn("Employee1");\r\n when(arrEmployee.get(1)).thenReturn("Employee2");\r\n when(arrEmployee.get(2)).thenReturn("Employee3");\r\n\r\n assertEquals("Employee2", arrEmployee.get(1));\r\n assertNotEquals(null, arrEmployee.get(2));\r\n }\r\n\r\n @Test(expected = RuntimeException.class)\r\n public void ListMock_ThrowException(){\r\n when(arrEmployee.get(anyInt())).thenThrow(new RuntimeException());\r\n arrEmployee.get(1);\r\n }\r\n}\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"