How to use MockitoAnyIncorrectPrimitiveType class of org.mockito.errorprone.bugpatterns package

Best Mockito code snippet using org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveType

Source:MockitoAnyIncorrectPrimitiveType.java Github

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1/* (rank 90) copied from https://github.com/mockito/mockito/blob/0ddbcb689e43f6a01f549c5efdd75defb39ebc14/subprojects/errorprone/src/main/java/org/mockito/errorprone/bugpatterns/MockitoAnyIncorrectPrimitiveType.java2 * Copyright (c) 2017 Mockito contributors3 * This program is made available under the terms of the MIT License.4 */5package org.mockito.errorprone.bugpatterns;6import static com.google.errorprone.BugPattern.LinkType.CUSTOM;7import static com.google.errorprone.BugPattern.SeverityLevel.ERROR;8import static com.google.errorprone.matchers.method.MethodMatchers.staticMethod;9import com.google.auto.service.AutoService;10import com.google.errorprone.BugPattern;11import com.google.errorprone.bugpatterns.BugChecker;12import com.google.errorprone.matchers.Matcher;13import com.sun.source.tree.ExpressionTree;14import com.sun.source.tree.MethodInvocationTree;15import com.sun.tools.javac.code.Type;16import java.util.regex.Pattern;17/**18 * Matches on usage of {@code Mockito.argThat(Matcher)} with a matcher that does not extend19 * ArgumentMatcher.20 */21@AutoService(BugChecker.class)22@BugPattern(23 name = "MockitoAnyIncorrectPrimitiveType",24 summary = "Matcher mismatch: incorrect use of any() or anyX() to match a primitive argument",25 severity = ERROR,26 linkType = CUSTOM,27 link = "site.mockito.org/usage/bugpattern/MockitoAnyIncorrectPrimitiveType",28 explanation =29 "Mockito relies on Java type checking to ensure that parameter matchers are"30 + " type safe but there are some discrepancies between what the Java type checker"31 + " allows and what Mockito expects. e.g. Java will allow anyInt() to be used as a"32 + " matcher for a long parameter because an int can be widened to a long. This"33 + " checker highlights those incorrect usages and suggests replacements. In Mockito"34 + " 1.x this was not really an issue because the anyX() methods did not do runtime"35 + " type checking of the arguments but in Mockito 2.x they do."36 + " Java will also allow any() to be used within a primitive but any() returns null and"37 + " the compiler wraps that call in unboxing which leads to a NPE.")38public class MockitoAnyIncorrectPrimitiveType extends AbstractMockitoAnyForPrimitiveType {39 // Match against any() or any of the any<x>() methods.40 private static final Pattern METHOD_NAME_PATTERN =41 Pattern.compile("any(Boolean|Byte|Char|Double|Float|Int|Long|Short)?");42 private static final String[] CLASS_NAMES = {43 "org.mockito.ArgumentMatchers", "org.mockito.Mockito", "org.mockito.Matchers"44 };45 private static final Matcher<ExpressionTree> METHOD_MATCHER =46 staticMethod().onClassAny(CLASS_NAMES).withNameMatching(METHOD_NAME_PATTERN).withParameters();47 @Override48 protected Matcher<? super MethodInvocationTree> matcher() {49 return METHOD_MATCHER;50 }51 @Override52 protected String formatMessage(...

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MockitoAnyIncorrectPrimitiveType

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1[ERROR] verify(mockedList).add(anyInt());2[ERROR] symbol: method anyInt()3[ERROR] verify(mockedList).add(anyLong());4[ERROR] symbol: method anyLong()5[ERROR] verify(mockedList).add(anyDouble());6[ERROR] symbol: method anyDouble()7[ERROR] verify(mockedList).add(anyFloat());8[ERROR] symbol: method anyFloat()9[ERROR] verify(mockedList).add(anyShort());10[ERROR] symbol: method anyShort()11[ERROR] verify(mockedList).add(anyByte());

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MockitoAnyIncorrectPrimitiveType

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1import org.mockito.Mockito;2import org.mockito.stubbing.Answer;3import java.util.List;4public class MockitoAnyIncorrectPrimitiveTypeExample {5 public static void main(String[] args) {6 List<String> list = Mockito.mock(List.class);7 Mockito.when(list.get(Mockito.anyInt())).thenAnswer((Answer<String>) invocation -> {8 int argument = invocation.getArgument(0);9 return "called with argument: " + argument;10 });11 System.out.println(list.get(1));12 }13}14import org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveType;15import org.mockito.Mockito;16import org.mockito.stubbing.Answer;17import java.util.List;18public class MockitoAnyIncorrectPrimitiveTypeExample {19 public static void main(String[] args) {20 List<String> list = Mockito.mock(List.class);

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MockitoAnyIncorrectPrimitiveType

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1public class MockitoAnyIncorrectPrimitiveType {2 private final static Logger LOGGER = LoggerFactory.getLogger(MockitoAnyIncorrectPrimitiveType.class);3 public static void main(String[] args) {4 List<String> list = Mockito.mock(List.class);5 when(list.get(anyInt())).thenReturn("foo");6 verify(list).get(anyInt());7 }8}9org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveType.java:16: warning: [MockitoUsage] Prefer using Mockito.eq() or ArgumentMatchers.eq() instead of Mockito.anyInt() for primitive types10 when(list.get(anyInt())).thenReturn("foo");11[ERROR] /home/rajendra/Downloads/mockito-error-prone/src/main/java/org/mockito/errorprone/bugpatterns/MockitoAnyIncorrectPrimitiveType.java:[16,22] [MockitoUsage] Prefer using Mockito.eq() or ArgumentMatchers.eq() instead of Mockito.anyInt() for primitive types12[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project mockito-error-prone: Compilation failure13[ERROR] /home/rajendra/Downloads/mockito-error-prone/src/main/java/org/mockito/errorprone/bugpatterns/MockitoAnyIncorrectPrimitiveType.java:[16,22] [MockitoUsage] Prefer using Mockito.eq() or ArgumentMatchers.eq() instead of Mockito.anyInt() for primitive types

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MockitoAnyIncorrectPrimitiveType

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1import org.mockito.Mockito;2import org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveType;3import org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveTypeTest;4import org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveTypeTest.SomeClass;5class MockitoAnyIncorrectPrimitiveTypeTest {6 static class SomeClass {7 void someMethod(int a) {8 }9 }10 public void test() {11 SomeClass someClass = Mockito.mock(SomeClass.class);12 }13}

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