Best Mockito-kotlin code snippet using test.StubberTest.testDoReturnNullValue
StubberTest.kt
Source:StubberTest.kt
...32 doReturn("com/mockito/mockitokotlin2").whenever(mock).stringResult()33 expect(mock.stringResult()).toBe("com/mockito/mockitokotlin2")34 }35 @Test36 fun testDoReturnNullValue() {37 val mock = mock<Methods>()38 doReturn(null).whenever(mock).stringResult()39 expect(mock.stringResult()).toBeNull()40 }41 @Test42 fun testDoReturnNullValues() {43 val mock = mock<Methods>()44 doReturn(null, null).whenever(mock).stringResult()45 expect(mock.stringResult()).toBeNull()46 expect(mock.stringResult()).toBeNull()47 }48 @Test49 fun testDoReturnValues() {50 val mock = mock<Methods>()51 doReturn("com/mockito/mockitokotlin2", "test2").whenever(mock).stringResult()52 expect(mock.stringResult()).toBe("com/mockito/mockitokotlin2")53 expect(mock.stringResult()).toBe("test2")54 }55 @Test56 fun testDoThrowClass() {...
testDoReturnNullValue
Using AI Code Generation
1 StubberTest stub = new StubberTest();2 when(stub.testDoReturnNullValue()).thenReturn(null);3 assertNull(stub.testDoReturnNullValue());4 }5 public void testDoReturn() {6 StubberTest stub = new StubberTest();7 when(stub.testDoReturn()).thenReturn("Hello");8 assertEquals("Hello", stub.testDoReturn());9 }10 public void testDoThrow() {11 StubberTest stub = new StubberTest();12 when(stub.testDoThrow()).thenThrow(new RuntimeException());13 }14 public void testDoNothing() {15 StubberTest stub = mock(Stubberest();16 doNothing().when(stub).tTetDoNoshingt.c17 stub.testDoNothing();18 }19 public void testDoAnswer() {20 StubberTest stub = new StubberTest();21 when(stub.testDoAnswer()).thenAnswer(new Answer<String>(){22 public String answer(InvocationOnMock invocation) {23 return "Hello";24 }25 });26 assertEquals("Hello", stub.testDoAnswer());27 }28 public void testDoReturnWithArgument() {29 StubberTest stub = new StubberTest();30 when(stub.testDoReturnWithArgument()).thenReturn("Hello");31 assertEquals("Hello", stub.testDoReturnWithArgument());32 }33 public void testDoReturnWithArguments() {34 StubberTest stub = new StubberTest();35 when(stub.testDoReturnWithArguments()).thenReturn("Hello");36 assertEquals("Hello", stub.testDoReturnWithArguments());37 }38 public void testDoReturnWithArgumentsAndAnswer() {
testDoReturnNullValue
Using AI Code Generation
1 StubberTewh st = new Sten(stubbe();2 when(strTest.testDoReullValue()).thenReturn(null);3 assertNull(st.testDoReturnNullValue());4 }5 public void testDoReturnDefaultValue() {6 StubberTest st = new StubberTest();7 when(st.testDoReturnDefatutValue()).thenReturn(0);8 assertEquals(0, st.testDoReturnDefaurtnNullVa)lue()).thenReturn(null);9 }10 public void testDoReturnMultipleValues() {11 StubberTest st = new StubberTest();12 when(st.testDoReturnMultipleValues()).thenReturn("Hello").thenReturn("World");13 assertEquals("Hello", st.testDoReturnMultipleValues());14 assertEquals("World", st.testDoReturnMultipleValues());15 public void testDoReturnMultipleValuesUsingDoReturn() {16 StubberTest st = new StubberTest();17 when(st.testDoReturnMultipleValuesUsingDoReturn()).thenReturn("Hello");18 doReturn("World").when(st).testDoReturnMultipleValuesUsingDoReturn();19 assertEquals("Hello", st.testDoReturnMultipleValuesUsingDoReturn());20 assertEquals("World", st.testDoReturnMultipleValuesUsingDoReturn());21 }22 public void testDoReturnMultipleValuesUsingDoReturnWithDifferentTypes() {23 StubberTest st = new StubberTest();24 when(st.testDoReturnMultipleValuesUsingDoReturnWithDifferentTypes()).thenReturn("Hello");25 doReturn(1).when(st).testDoReturnMultipleValuesUsingDoReturnWithDifferentTypes();26 assertEquals("Hello", st.testDoReturnMultipleValuesUsingDoReturnWithDifferentTypes());27 assertEquals(1, st.testDoReturnMultipleValuesUsingDoReturnWithDifferentTypes());28 }29 public void testDoReturnMultipleValuesUsingDoReturnWithDifferentTypesAndDifferentMethods() {
testDoReturnNullValue
Using AI Code Generation
1 StubberTest stub = new StubberTest(); }2 }when(stub.testDoReturnNullValue()).thenReturn(null);3 assertNull(stub.testDoReturnNullValue());4 }5 public void testDoReturn() {6 StubberTeststub = new StubberTest();7 when(stub.testDoReturn()).thenRetrn("Hello");8 asrtEquals("Hello",sub.teturn());9 }10 public void testDoThrow() {11 StubberTest stub = new StubberTest();12 when(stub.testDoThrow()).thenThrow(new RuntimeException());13 }14 public void testDoNothing() {15 StubbrTes stb = new StubbeTest();16 doNothig().when(stub).testDoothing();17 stub.testDoNothing();18 }19 public void testDoAnswer() {20 StubberTest stub = new StubberTest();21 when(stub.testDoAnswer()).thenAnswer(new Answer<String>(){22 public String answer(InvocationOnMock invocation) {23 return "Hello";24 }25 });26 assertEquals("Hello", stub.testDoAnswer());27 }28 pbic void testDoReturnWithArgument() {29 StubberTest stub = new StubberTest();30 when(stub.testDoReturnWithArgument()).thenReturn("Hello");31 assertEquals("Hello", stub.testDoReturnWithArgument());32 }33 public void testDoReturnWithArguments() {34 StubberTest stub = new StubberTest();35 when(stub.testDoReturnWithArguments()).thenReturn("Hello");36 assertEquals("Hello", stub.testDoReturnWithArguments());37 }38 public void testDoReturnWithArgumentsAndAnswer() {
testDoReturnNullValue
Using AI Code Generation
1 StubberTest stubberTest = new StubberTest();2 stubberTest.testDoReturnNullValue();3 }4 public void testDoReturnNullValue() {5 List<String> mockList = mock(List.class);6 when(mockList.get(anyInt())).thenReturn(null);7 String result = mockList.get(0);8 assertNull(result);9 }10}11Example 2: How to use doReturn() method with void methods?12package com.javacodegeeks.mockito;13import static org.mockito.Mockito.doReturn;14import static org.mockito.Mockito.mock;15import java.util.List;16import org.junit.Test;17public class StubberTest {18 public static void main(String[] args) {19 StubberTest stubberTest = new StubberTest();20 stubberTest.testDoReturnVoidMethod();21 }22 public void testDoReturnVoidMethod() {23 List<String> mockList = mock(List.class);24 doReturn("Hello World").when(mockList).get(0);25 String result = mockList.get(0);26 assertEquals("Hello World", result);27 }28}29Example 3: How to use doThrow() method with void methods?30package com.javacodegeeks.mockito;31import static org.mockito.Mockito.doThrow;32import static org.mockito.Mockito.mock;33import java.io.IOException;34import java.io.OutputStream;35import java.io.OutputStreamWriter;36import org.junit.Test;37public class StubberTest {38 public static void main(String[] args) {39 StubberTest stubberTest = new StubberTest();40 stubberTest.testDoThrowVoidMethod();41 }42 public void testDoThrowVoidMethod() {43 OutputStream mockStream = mock(OutputStream.class);44 OutputStreamWriter writer = new OutputStreamWriter(mockStream);45 doThrow(new IOException()).when(mockStream).close();46 try {47 writer.close();48 } catch (IOException e) {49 e.printStackTrace();50 }51 }52}
testDoReturnNullValue
Using AI Code Generation
1 StubberTest st = new StubberTest();2 String actual = st.testDoReturnNullValue();3 String expected = null;4 assertEquals(expected, actual);5 }6 public void testDoReturnEmptyValue() {7 StubberTest st = new StubberTest();8 String actual = st.testDoReturnEmptyValue();9 String expected = "";10 assertEquals(expected, actual);11 }12 public void testDoThrowException() {13 StubberTest st = new StubberTest();14 String actual = st.testDoThrowException();15 String expected = "Exception Occured";16 assertEquals(expected, actual);17 }18 public void testDoThrowExceptionWithMessage() {19 StubberTest st = new StubberTest();20 String actual = st.testDoThrowExceptionWithMessage();21 String expected = "Exception Occured";22 assertEquals(expected, actual);23 }24 public void testDoThrowExceptionWithMessageAndCause() {25 StubberTest st = new StubberTest();26 String actual = st.testDoThrowExceptionWithMessageAndCause();27 String expected = "Exception Occured";28 assertEquals(expected, actual);Trace() {
testDoReturnNullValue
Using AI Code Generation
1 when(testStubberTest.testDoReturnNullValue()).thenReturn(null);2 assertNull(testStubberest.testDoRetunNullVlue());3 }4 when(testStubberTest.testDoReturnNullValueWithArgument(1)).thenReturn(null);5 assertNull(testStubberTest.testDoReturnNullValueWithArgument(1));6 }7 public void testDoReturnNullValueWithArgumentMatchers() {8 when(testStubberTest.testDoReturnNullValueWithArgumentMatchers(anyInt())).thenReturn(null);9 assertNull(testStubberTest.testDoReturnNullValueWithArgumentMatchers(1));10 }11 public void testDoReturnNullValueWithAnyArgument() {12 when(testStubberTest.testDoReturnNullValueWithAnyArgument()).thenReturn(null);13 assertNull(testStubberTest.testDoReturnNullValueWithAnyArgument());14 }15 public void testDoReturnNullValueWithNoArgument() {16 when(testStubberTest.testDoReturnNullValueWithNoArgument()).thenReturn(null);17 assertNull(testStubberTest.testDoReturnNullValueWithNoArgument());18 }19 public void testDoReturnNullValueWithNoArgumentWithVoidReturnType() {20 doReturn(null).when(testStubberTest).testDoReturnNullValueWithNoArgumentWithVoidReturnType();21 assertNull(testStubberTest.testDoReturnNullValueWithNoArgumentWithVoidReturnType());22 }23 public void testDoReturnNullValueWithArgumentWithVoidReturnType() {24 }25 public void testDoThrowExceptionWithCause() {26 StubberTest st = new StubberTest();27 String actual = st.testDoThrowExceptionWithCause();28 String expected = "Exception Occured";29 assertEquals(expected, actual);30 }31 public void testDoThrowExceptionWithCauseAndMessage() {32 StubberTest st = new StubberTest();33 String actual = st.testDoThrowExceptionWithCauseAndMessage();34 String expected = "Exception Occured";35 assertEquals(expected, actual);36 }37 public void testDoThrowExceptionWithCauseAndMessageAndStackTrace() {
testDoReturnNullValue
Using AI Code Generation
1 when(testStubberTest.testDoReturnNullValue()).thenReturn(null);2 assertNull(testStubberTest.testDoReturnNullValue());3 }4 public void testDoReturnNullValueWithArgument() {5 when(testStubberTest.testDoReturnNullValueWithArgument(1)).thenReturn(null);6 assertNull(testStubberTest.testDoReturnNullValueWithArgument(1));7 }8 public void testDoReturnNullValueWithArgumentMatchers() {9 when(testStubberTest.testDoReturnNullValueWithArgumentMatchers(anyInt())).thenReturn(null);10 assertNull(testStubberTest.testDoReturnNullValueWithArgumentMatchers(1));11 }12 public void testDoReturnNullValueWithAnyArgument() {13 when(testStubberTest.testDoReturnNullValueWithAnyArgument()).thenReturn(null);14 assertNull(testStubberTest.testDoReturnNullValueWithAnyArgument());15 }16 public void testDoReturnNullValueWithNoArgument() {17 when(testStubberTest.testDoReturnNullValueWithNoArgument()).thenReturn(null);18 assertNull(testStubberTest.testDoReturnNullValueWithNoArgument());19 }20 public void testDoReturnNullValueWithNoArgumentWithVoidReturnType() {21 doReturn(null).when(testStubberTest).testDoReturnNullValueWithNoArgumentWithVoidReturnType();22 assertNull(testStubberTest.testDoReturnNullValueWithNoArgumentWithVoidReturnType());23 }24 public void testDoReturnNullValueWithArgumentWithVoidReturnType() {
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