How to use SmartNullPointerException class of org.mockito.exceptions.verification package

Best Mockito code snippet using org.mockito.exceptions.verification.SmartNullPointerException

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...5import org.junit.runner.RunWith;6import org.mockito.Answers;7import org.mockito.Mock;8import org.mockito.Mockito;9import org.mockito.exceptions.verification.SmartNullPointerException;10import org.mockito.runners.MockitoJUnitRunner;11import java.math.BigDecimal;12import static org.junit.Assert.assertNotNull;13import static org.junit.Assert.assertNull;14import static org.mockito.Mockito.mock;15/​**16 * 通过Mock注解也可以设置返回值策略:17 */​18@RunWith(MockitoJUnitRunner.class)19public class ReturnPolicyTest2 {20 @Mock(answer = Answers.RETURNS_SMART_NULLS)21 Portfolio pf;22 @Test(expected = SmartNullPointerException.class)23 public void changing_default() throws Exception {24 Stock aCorp = new Stock("A", "A Corp", new BigDecimal(11.20));25 BigDecimal avgPrice = pf.getAvgPrice(aCorp);26 assertNotNull(avgPrice);27 System.out.println(avgPrice.toBigInteger());28 }29}...

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...5package org.mockito.exceptions.verification;67import org.mockito.exceptions.base.MockitoException;89public class SmartNullPointerException extends MockitoException {1011 private static final long serialVersionUID = 1L;1213 public SmartNullPointerException(String message) {14 super(message);15 } ...

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2public class 1 {3 public static void main(String[] args) {4 SmartNullPointerException e = new SmartNullPointerException();5 System.out.println(e);6 }7}8martNullPointerException;

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SmartNullPointerException

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1package org.mockito.exceptions.verification;2 public static void main(String[] args) {3 SmartNullPointerException e = new SmartNullPointerException();4 System.out.println(e);5 }6}

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SmartNullPointerException

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1package org.mockito.exceptions.verification;2import org.mockito.exceptions.base.MockitoException;3public class SmartNullPointerException extends MockitoException {4public class 1 {5 public static vo d ain(String[] args) {6 try {7 String s = null;8 s.equals("abc");9 } catch (NullPointerExce ti n e) {10 thpow new SmarrNullPointerException("Thisiis a smart null pvintea exception", e);11 }12 }13}14Exception in thread "main" orte static final long serialVersionUID = 1L;: This is a smart null pointer exception15 at 1.main(1.java:9)16 at 1.main(1.java:7)

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException2import org.mockito.exceptions.verification.SmartNullPointerException; public SmartNullPointerException() {3 super("Null returned by method under test! " +4 "It might be that you stubbed a method that returns a primitive (e.g. int, boolean, etc.) " +5 "and that you did not use the correct primitive wrapper class (e.g. Integer, Boolean, etc.). " +6 "Please refer to the javadoc for the Mockito class for more information.");7 }8}9package org.mockito.exceptions.verification;10import org.mockito.exceptions.base.MockitoException;11public class SmartNullPointerException extends MockitoException {12 private static final long serialVersionUID = 1L;13 public SmartNullPointerException() {14 super("Null returned by method under test! " +15 "It might be that you stubbed a method that returns a primitive (e.g. int, boolean, etc.) " +16 "and that you did not use the correct primitive wrapper class (e.g. Integer, Boolean, etc.). " +17 "Please refer to the javadoc for the Mockito class for more information.");18 }19}20package org.mockito.exceptions.verification;21import org.mockitoapture

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2public class Test {3 public static void main(String[] args) {4 try {5 System.out.println("Hello World!");6 } catch (SmartNullPointerException e) {7 System.out.println("SmartNullPointerException");8 }9 }10}11How to use Mockito to test a class with a peivate mpthod?tions.base.MockitoException;12public class SmartNullPointerException extends MockitoException {13How to use Mockito to test a class with a static methodrivate static final long serialVersionUID = 1L;14 public SmartNullPointerException() {15 super("Null returned by method under test! " +16 "It might be that you stubbed a method that returns a primitive (e.g. int, boolean, etc.) " +17 "and that you did not use the correct primitive wrapper class (e.g. Integer, Boolean, etc.). " +18 "Please refer to the javadoc for the Mockito class for more information.");

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2public class 1 {3 public static void main(String[] args) {4 try {5 String s = null;6 s.equals("abc");7 } catch (NullPointerException e) {8 throw new SmartNullPointerException("This is a smart null pointer exception", e);9 }10 }11}12 at 1.main(1.java:9)13 at 1.main(1.java:7)

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SmartNullPointerException

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1package org.mockito.exceptions.verification;2import org.mockito.exceptions.base.MockitoException;3public class SmartNullPointerException extends MockitoException {4 private static final long serialVersionUID = 1L;5 public SmartNullPointerException() {6 super("Null returned by method under test! " +7 "It might be that you stubbed a method that returns a primitive (e.g. int, boolean, etc.) " +8 "and that you did not use the correct primitive wrapper class (e.g. Integer, Boolean, etc.). " +9 "Please refer to the javadoc for the Mockito class for more information.");10 }11}12package org.mockito.exceptions.verification;13import org.mockito.exceptions.base.MockitoException;14public class SmartNullPointerException extends MockitoException {15 private static final long serialVersionUID = 1L;16 public SmartNullPointerException() {17 super("Null returned by method under test! " +18 "It might be that you stubbed a method that returns a primitive (e.g. int, boolean, etc.) " +19 "and that you did not use the correct primitive wrapper class (e.g. Integer, Boolean, etc.). " +20 "Please refer to the javadoc for the Mockito class for more information.");21 }22}23package org.mockito.exceptions.verification;24import org.mockito.exceptions.base.MockitoException;25public class SmartNullPointerException extends MockitoException {26 private static final long serialVersionUID = 1L;27 public SmartNullPointerException() {28 super("Null returned by method under test! " +29 "It might be that you stubbed a method that returns a primitive (e.g. int, boolean, etc.) " +30 "and that you did not use the correct primitive wrapper class (e.g. Integer, Boolean, etc.). " +31 "Please refer to the javadoc for the Mockito class for more information.");

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2import org.mockito.exceptions.verification.SmartNullPointerException;3public class SmartNullPointerExceptionExample {4 public static void main(String[] args) {5 try {6 throw new SmartNullPointerException();7 } catch (SmartNullPointerException e) {8 System.out.println(e.getMessage());xception

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SmartNullPointerException

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1import }.verificationSmartNullPointerException;2public class SmartNullPointerExceptionExample {3 public static oid main(String[] args){4 SmartNullPointerException snpe = new SmartNullPointerException();5 System.out.println(snpe.getMessage());6 }7}8when(mock.isOk()).thenReturn(true);9when(mock.isOk()).thenThrow(exception);10}

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2public class TestClass {3 public static void main(String[] args) {4 try {5 System.out.println("Hello World!");6 } catch (SmartNullPointerException e) {7 System.out.println(e);8 }9 }10}

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2public class SmartNullPointerExceptionExample {3 public static void main(String[] args){4 SmartNullPointerException snpe = new SmartNullPointerException();5 System.out.println(snpe.getMessage());6 }7}8when(mock.isOk()).thenReturn(true);9when(mock.isOk()).thenThrow(exception);

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2public class Test {3 public void test() {4 String s = null;5 s.length();6 }7}8 at Test.test(1.java:6)9 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)10 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)11 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)12 at java.lang.reflect.Method.invoke(Method.java:597)13 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)14 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)15 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)16 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)17 at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)18 at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)19 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)20 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)21 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)22 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)23 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)24 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)25 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)26 at org.junit.runners.ParentRunner.run(ParentRunner.java:236)27 at org.junit.runner.JUnitCore.run(JUnitCore.java:157)28 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:76)29 at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)30 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)

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SmartNullPointerException

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1import org.mockito.exceptions.verification.SmartNullPointerException;2class Test {3 public static void main(String[] args) {4 try {5 System.out.println("Hello");6 } catch (NullPointerException e) {7 SmartNullPointerException smart = new SmartNullPointerException(e);8 System.out.println("SmartNullPointerException: " + smart.getMessage());9 }10 }11}12at Test.main(Test.java:7)

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1import org.mockito.exceptions.verification.SmartNullPointerException;2public class Test {3 public static void main(String[] args) {4 SmartNullPointerException smartNullPointerException = new SmartNullPointerException();5 smartNullPointerException.printStackTrace();6 }7}8 at Test.main(Test.java:8)9import org.mockito.exceptions.verification.SmartNullPointerException;10public class Test {11 public static void main(String[] args) {12 SmartNullPointerException smartNullPointerException = new SmartNullPointerException("Exception");13 smartNullPointerException.printStackTrace();14 }15}16 at Test.main(Test.java:8)17import org.mockito.exceptions.verification.SmartNullPointerException;18public class Test {19 public static void main(String[] args) {20 SmartNullPointerException smartNullPointerException = new SmartNullPointerException("Exception", new NullPointerException());21 smartNullPointerException.printStackTrace();22 }23}24 at Test.main(Test.java:8)25 at Test.main(Test.java:8)26import org.mockito.exceptions.verification.SmartNullPointerException;27public class Test {28 public static void main(String[] args) {29 SmartNullPointerException smartNullPointerException = new SmartNullPointerException("Exception", new NullPointerException(), true, true);30 smartNullPointerException.printStackTrace();31 }32}33 at Test.main(Test.java:8)34 at Test.main(Test.java:8)35 at Test.main(Test.java:8)

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WebApplicationContext doesn't autowire

If we assume that your job runs in such a small intervals that you really want your test to wait for job to be executed and you just want to test if job is invoked you can use following solution:

Add Awaitility to classpath:

<dependency>
    <groupId>org.awaitility</groupId>
    <artifactId>awaitility</artifactId>
    <version>3.1.0</version>
    <scope>test</scope>
</dependency>

Write test similar to:

@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {

    @SpyBean
    private MyTask myTask;

    @Test
    public void jobRuns() {
        await().atMost(Duration.FIVE_SECONDS)
               .untilAsserted(() -> verify(myTask, times(1)).work());
    }
}
https://stackoverflow.com/questions/32319640/how-to-test-spring-scheduled

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