Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Predicates class of org.assertj.core.internal package

Best Assertj code snippet using org.assertj.core.internal.Predicates

Source:AssertJChainSimplificationCheck.java

...60        predicates.add(nextPredicate);61      }62      nextPredicateOpt = MethodTreeUtils.consecutiveMethodInvocation(nextPredicate);63    }64    boolean wasIssueRaised = checkPredicatesForSimplification(65      predicates, CONTEXT_FREE_SIMPLIFIERS, SimplifierWithoutContext::simplify,66      (predicate, simplification) -> createIssueBuilder(predicate, simplification).report()67    );68    // We do not continue when we have already raised an issue to avoid potentially conflicting issue reports. If we69    // have more than one predicate we also avoid continuing to avoid FP on cases such as:70    // assertThat(Integer.valueOf(1).compareTo(2)).isGreaterThan(1).isLessThan(10)71    // We also want to ignore all assertion chains that contain methods besides predicates and messages, such as those72    // that change the assertion context, as that level of complexity is not handled by this rule. The extraction73    // function is such an example:74    // assertThat(frodo).extracting("name", as(InstanceOfAssertFactories.STRING)).startsWith("Fro");75    if (wasIssueRaised || predicates.size() > 1) {76      return;77    }78    checkPredicatesForSimplification(79      predicates, SIMPLIFIERS_WITH_CONTEXT, (simplifier, predicate) -> simplifier.simplify(subjectMit, predicate),80      (predicate, simplification) -> createIssueBuilder(predicate, simplification)81        .withSecondaries(new JavaFileScannerContext.Location("This can be simplified", subjectMit.arguments().get(0)))82        .report()83    );84  }85  private InternalJavaIssueBuilder createIssueBuilder(MethodInvocationTree predicate, AssertJChainSimplificationIndex.Simplification simplification) {86    InternalJavaIssueBuilder builder = QuickFixHelper.newIssue(context)87      .forRule(this)88      .onTree(ExpressionUtils.methodName(predicate))89      .withMessage(ISSUE_MESSAGE_FORMAT_STRING, simplification.getReplacement());90    simplification.getQuickFix().ifPresent(builder::withQuickFixes);91    return builder;92  }93  /**94   * @return {@code true} when an issue was reported, {@code false} otherwise.95   */96  private static <T> boolean checkPredicatesForSimplification(97    List<MethodInvocationTree> predicates,98    Map<String, List<T>> simplifiers,99    BiFunction<T, MethodInvocationTree, Optional<AssertJChainSimplificationIndex.Simplification>> simplificationMethod,100    BiConsumer<MethodInvocationTree, AssertJChainSimplificationIndex.Simplification> reportingMethod) {101    AssertJChainSimplificationHelper.BooleanFlag issueRaised = new AssertJChainSimplificationHelper.BooleanFlag();102    predicates.forEach(predicate -> {103      String predicateName = ExpressionUtils.methodName(predicate).name();104      if (simplifiers.containsKey(predicateName)) {105        simplifiers.get(predicateName).stream()106          .map(simplifier -> simplificationMethod.apply(simplifier, predicate))107          .filter(Optional::isPresent)108          .map(Optional::get)109          .findFirst()110          .ifPresent(replacement -> {...

Source:Predicates.java

...13package org.assertj.core.internal;14import static org.assertj.core.util.Preconditions.checkNotNull;15import java.util.function.Predicate;16import org.assertj.core.util.VisibleForTesting;17public class Predicates {18  private static final Predicates INSTANCE = new Predicates();19  /**20   * Returns the singleton instance of this class.21   * @return the singleton instance of this class.22   */23  public static Predicates instance() {24    return INSTANCE;25  }26  @VisibleForTesting27  Failures failures = Failures.instance();28  @VisibleForTesting29  Predicates() {}30  /**31   * Asserts the the given <code>{@link Predicate}</code> is not null.32   * @param predicate the given {@code Predicate}.33   * @throws NullPointerException if the given {@code Predicate} is {@code null}.34   */35  public void assertIsNotNull(Predicate<?> predicate) {36    checkNotNull(predicate, "The predicate to evaluate should not be null");37  }38}...

Predicates

Using AI Code Generation

1public class Predicates {2  public static <T> Predicate<T> alwaysTrue() {3    return new Predicate<T>() {4      public boolean apply(T input) {5        return true;6      }7    };8  }9}10public class Predicates {11  public static <T> Predicate<T> alwaysTrue() {12    return new Predicate<T>() {13      public boolean apply(T input) {14        return true;15      }16    };17  }18}19public class Predicates {20  public static <T> Predicate<T> alwaysTrue() {21    return new Predicate<T>() {22      public boolean apply(T input) {23        return true;24      }25    };26  }27}28public class Predicates {29  public static <T> Predicate<T> alwaysTrue() {30    return new Predicate<T>() {31      public boolean apply(T input) {32        return true;33      }34    };35  }36}37public class Predicates {38  public static <T> Predicate<T> alwaysTrue() {39    return new Predicate<T>() {40      public boolean apply(T input) {41        return true;42      }43    };44  }45}46public class Predicates {47  public static <T> Predicate<T> alwaysTrue() {48    return new Predicate<T>() {49      public boolean apply(T input) {50        return true;51      }52    };53  }54}55public class Predicates {56  public static <T> Predicate<T> alwaysTrue() {57    return new Predicate<T>() {58      public boolean apply(T input) {59        return true;60      }61    };62  }63}64public class Predicates {65  public static <T> Predicate<T> alwaysTrue() {66    return new Predicate<T>() {67      public boolean apply(T input) {68        return true;69      }70    };71  }72}73public class Predicates {74  public static <T> Predicate<T> alwaysTrue() {75    return new Predicate<T>() {76      public boolean apply(T input) {77        return true;78      }79    };80  }81}

Predicates

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Predicates;3import org.junit.Test;4public class PredicatesTest {5    public void test() {6        Assertions.assertThat(Predicates.instanceOf(String.class).test("hello")).isTrue();7    }8}9at org.junit.Assert.assertEquals(Assert.java:115)10at org.junit.Assert.assertEquals(Assert.java:144)11at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)12at org.assertj.core.api.Assertions.assertThat(Assertions.java:1411)13at org.assertj.core.api.Assertions.assertThat(Assertions.java:123)14at org.assertj.core.api.Assertions.assertThat(Assertions.java:118)15at org.assertj.core.api.Assertions.assertThat(Assertions.java:110)16at org.assertj.core.api.Assertions.assertThat(Assertions.java:106)17at org.assertj.core.api.Assertions.assertThat(Assertions.java:102)18at org.assertj.core.api.Assertions.assertThat(Assertions.java:98)19at org.assertj.core.api.Assertions.assertThat(Assertions.java:94)20at org.assertj.core.api.Assertions.assertThat(Assertions.java:90)21at org.assertj.core.api.Assertions.assertThat(Assertions.java:86)22at org.assertj.core.api.Assertions.assertThat(Assertions.java:82)23at org.assertj.core.api.Assertions.assertThat(Assertions.java:78)24at org.assertj.core.api.Assertions.assertThat(Assertions.java:74)25at org.assertj.core.api.Assertions.assertThat(Assertions.java:70)26at org.assertj.core.api.Assertions.assertThat(Assertions.java:66)27at org.assertj.core.api.Assertions.assertThat(Assertions.java:62)28at org.assertj.core.api.Assertions.assertThat(Assertions.java:58)29at org.assertj.core.api.Assertions.assertThat(Assertions.java:54)30at org.assertj.core.api.Assertions.assertThat(Assertions.java:50)31at org.assertj.core.api.Assertions.assertThat(Assertions.java:46)32at org.assertj.core.api.Assertions.assertThat(Assertions.java:42)33at org.assertj.core.api.Assertions.assertThat(Assertions.java:38)34at org.assertj.core.api.Assertions.assertThat(Assertions.java:34)35at org.assertj.core.api.Assertions.assertThat(Assertions.java:30)36at org.assertj.core.api.Assertions.assertThat(Assertions.java:26)

Predicates

Using AI Code Generation

1package com.automationrhapsody.junit;2import static org.assertj.core.api.Assertions.assertThat;3import java.util.ArrayList;4import java.util.List;5import org.assertj.core.internal.Predicates;6import org.junit.Test;7public class PredicatesTest {8    public void testPredicates() {9        List<String> names = new ArrayList<>();10        names.add("John");11        names.add("Mary");12        names.add("John");13        assertThat(names).are(Predicates.not(Predicates.<String> in("Mary")));14    }15}16Expected: (a collection containing "John" and a collection containing "John" and not a collection containing "Mary")

Predicates

Using AI Code Generation

1import org.assertj.core.internal.Predicates;2import org.assertj.core.api.Assertions;3import org.junit.Test;4public class PredicatesTest {5    public void testPredicates() {6        Predicates predicates = new Predicates();7        Assertions.assertThat(predicates).isNotNull();8    }9}

Predicates

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import org.assertj.core.api.AbstractAssert;3import org.assertj.core.internal.*;4import org.assertj.core.api.*;5import org.assertj.core.api.Assertions;6import org.assertj.core.internal.Objects;7import org.a

Predicates

Using AI Code Generation

1public class Predicates {2  public static Predicate<Comparable> isLessThan(Comparable value) {3    return new IsLessThan(value);4  }5}6public class Predicates {7  public static Predicate<Comparable> isLessThan(Comparable value) {8    return new IsLessThan(value);9  }10}11public class Predicates {12  public static Predicate<Comparable> isLessThan(Comparable value) {13    return new IsLessThan(value);14  }15}16public class Predicates {17  public static Predicate<Comparable> isLessThan(Comparable value) {18    return new IsLessThan(value);19  }20}21public class Predicates {22  public static Predicate<Comparable> isLessThan(Comparable value) {23    return new IsLessThan(value);24  }25}26public class Predicates {27  public static Predicate<Comparable> isLessThan(Comparable value) {28    return new IsLessThan(value);29  }30}31public class Predicates {32  public static Predicate<Comparable> isLessThan(Comparable value) {33    return new IsLessThan(value);34  }35}36public class Predicates {37  public static Predicate<Comparable> isLessThan(Comparable value) {38    return new IsLessThan(value);39  }40}41public class Predicates {42  public static Predicate<Comparable> isLessThan(Comparable value) {43    return new IsLessThan(value);44  }45}46public class Predicates {47  public static Predicate<Comparable> isLessThan(Comparable value) {48    return new IsLessThan(value);49  }

Predicates

Using AI Code Generation

1public class Predicates {2	public static Predicate<String> isEmptyOrNullString() {3		return new Predicate<String>() {4			public boolean test(String s) {5				return s == null || s.isEmpty();6			}7		};8	}9}10public class PredicatesTest {11	public void testPredicate() {12		Predicate<String> predicate = Predicates.isEmptyOrNullString();13		boolean result = predicate.test("Test");14		Assert.assertTrue(result);15	}16}17	at org.junit.Assert.fail(Assert.java:88)18	at org.junit.Assert.failNotEquals(Assert.java:834)19	at org.junit.Assert.assertEquals(Assert.java:645)20	at org.junit.Assert.assertEquals(Assert.java:631)21	at org.assertj.core.internal.PredicatesTest.testPredicate(PredicatesTest.java:16)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.