How to use matcher method of org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveType class

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

Source:MockitoAnyIncorrectPrimitiveType.java

...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(53      String expectedTypeAsString, Type matcherType, String replacementName) {54    return String.format(55        "Matcher mismatch: expected matcher for parameter of type '%s',"56            + " found matcher for parameter of type '%s'",57        expectedTypeAsString, matcherType);58  }59}...

matcher

Using AI Code Generation

1import com.google.errorprone.CompilationTestHelper;2import com.google.errorprone.bugpatterns.BugCheckerRefactoringTestHelper;3import org.junit.Test;4import org.junit.runner.RunWith;5import org.junit.runners.JUnit4;6@RunWith(JUnit4.class)7public class MockitoAnyIncorrectPrimitiveTypeTest {8      BugCheckerRefactoringTestHelper.newInstance(9          new MockitoAnyIncorrectPrimitiveType(), getClass());10      CompilationTestHelper.newInstance(MockitoAnyIncorrectPrimitiveType.class, getClass());11  public void positiveCases() {12    compilationHelper.addSourceFile("MockitoAnyIncorrectPrimitiveTypePositiveCases.java").doTest();13  }14  public void negativeCases() {15    compilationHelper.addSourceFile("MockitoAnyIncorrectPrimitiveTypeNegativeCases.java").doTest();16  }17  public void testRefactoring() {18        .addInputLines(19            "import static org.mockito.ArgumentMatchers.anyInt;",20            "import static org.mockito.Mockito.when;",21            "class Test {",22            "  void f() {",23            "    when(1).thenReturn(1);",24            "  }",25            "}")26        .addOutputLines(27            "import static org.mockito.ArgumentMatchers.anyInt;",28            "import static org.mockito.Mockito.when;",29            "class Test {",30            "  void f() {",31            "    when(anyInt()).thenReturn(1);",32            "  }",33            "}")34        .doTest();35  }36}

matcher

Using AI Code Generation

1import org.mockito.errorprone.bugpatterns.MockitoAnyIncorrectPrimitiveType;2class MockitoAnyIncorrectPrimitiveTypePositiveCases {3    void testInt() {4        Mockito.anyInt();5    }6    void testLong() {7        Mockito.anyLong();8    }9    void testDouble() {10        Mockito.anyDouble();11    }12    void testFloat() {13        Mockito.anyFloat();14    }15    void testByte() {16        Mockito.anyByte();17    }18    void testShort() {19        Mockito.anyShort();20    }21    void testChar() {22        Mockito.anyChar();23    }24    void testBoolean() {25        Mockito.anyBoolean();26    }27}28class MockitoAnyIncorrectPrimitiveTypeNegativeCases {29    void testInt() {30        Mockito.any(Integer.class);31    }32    void testLong() {33        Mockito.any(Long.class);34    }35    void testDouble() {36        Mockito.any(Double.class);37    }38    void testFloat() {39        Mockito.any(Float.class);40    }41    void testByte() {42        Mockito.any(Byte.class);43    }44    void testShort() {45        Mockito.any(Short.class);46    }47    void testChar() {48        Mockito.any(Character.class);49    }50    void testBoolean() {51        Mockito.any(Boolean.class);52    }53}

matcher

Using AI Code Generation

1public class MockitoAnyIncorrectPrimitiveType {2    public boolean matcher(String type) {3        if (type.equals("boolean") || type.equals("char") || type.equals("byte") || type.equals("short") || type.equals("int") || type.equals("long") || type.equals("float") || type.equals("double")) {4            return true;5        } else {6            return false;7        }8    }9}10import org.junit.Test;11import static org.junit.Assert.*;12public class MockitoAnyIncorrectPrimitiveTypeTest {13    public void testMatcher() {14        MockitoAnyIncorrectPrimitiveType mockitoAnyIncorrectPrimitiveType = new MockitoAnyIncorrectPrimitiveType();15        assertTrue(mockitoAnyIncorrectPrimitiveType.matcher("boolean"));16        assertFalse(mockitoAnyIncorrectPrimitiveType.matcher("String"));17    }18}

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