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How to use matches method of org.assertj.core.condition.VerboseCondition class

Best Assertj code snippet using org.assertj.core.condition.VerboseCondition.matches

Source:VerboseCondition.java

...52 */53@Beta54public final class VerboseCondition<T> extends Condition<T> {55  private Function<T, String> objectUnderTestDescriptor;56  // needed to avoid an incorrect description when matches is run multiple times.57  private String description;58  /**59   * Creates a new <code>{@link VerboseCondition}</code> to have better control over the condition description when the condition fails thanks 60   * to the {@code objectUnderTestDescriptor} function parameter.61   * <p>62   * When defining the {@code objectUnderTestDescriptor} function, you should take in consideration whether the condition is going to be used 63   * with {@link AbstractAssert#is(Condition) is(Condition)} or {@link AbstractAssert#has(Condition) has(Condition)} since the start of the error message is different between the two.  64   * <p>65   * Let's see how it works with an example that works well with {@link AbstractAssert#is(Condition) is(Condition)}:66   * <pre><code class='java'> Condition&lt;String&gt; shorterThan4 = VerboseCondition.verboseCondition(actual -&gt; actual.length() &lt; 4,67                                                                    // predicate description  68                                                                    "shorter than 4",69                                                                    // value under test description transformation function70                                                                    s -&gt; String.format(" but length was %s", s.length(), s));</code></pre>71   * 72   * If we execute:73   * <pre><code class='java'> assertThat("foooo").is(shorterThan4);</code></pre>74   * it fails with the following assertion error:75   * <pre><code class='text'> Expecting actual:76   *   "foooo"77   * to be shorter than 4 but length was 5</code></pre>78   * <p>79   * Note that the beginning of the error message looks nice with {@link AbstractAssert#is(Condition) is(Condition)}, but not so much with {@link AbstractAssert#has(Condition) has(Condition)}:80   * <pre><code class='text'> Expecting actual:81   *   "foooo"82   * to have shorter than 4 but length was 5</code></pre>83   * <p>84   * The {@code objectUnderTestDescriptor} must not be null, if you don't need one this probably means you can simply use {@link Condition#Condition(Predicate, String, Object...)} instead of a {@code VerboseCondition}.85   *86   * @param <T>                  the type of object the given condition accept.87   * @param predicate            the Predicate that tests the value to test.88   * @param description          describes the Condition verbal.89   * @param objectUnderTestDescriptor Function used to describe the value to test when the actual value does not match the predicate. must not be null.90   * @return the created {@code VerboseCondition}.91   * @throws NullPointerException if the predicate is {@code null}.92   * @throws NullPointerException if the objectUnderTestDescriptor is {@code null}.93   */94  public static <T> VerboseCondition<T> verboseCondition(Predicate<T> predicate, String description,95                                                         Function<T, String> objectUnderTestDescriptor) {96    return new VerboseCondition<>(predicate, description, objectUnderTestDescriptor);97  }98  private VerboseCondition(Predicate<T> predicate, String description, Function<T, String> objectUnderTestDescriptor) {99    super(predicate, description);100    this.description = description;101    this.objectUnderTestDescriptor = requireNonNull(objectUnderTestDescriptor,102                                                    "The objectUnderTest descriptor function must not be null, if you don't need one, consider using the basic Condition(Predicate<T> predicate, String description, Object... args) constructor");103  }104  @Override105  public boolean matches(T objectUnderTest) {106    boolean matches = super.matches(objectUnderTest);107    describedAs(buildVerboseDescription(objectUnderTest, matches));108    return matches;109  }110  /**111   * Build the verbose condition description when applied with the actual values and the match result.112   *113   * @param objectUnderTest the object to test114   * @param matches the result of the match operation115   * @return the verbose condition description.116   */117  protected String buildVerboseDescription(T objectUnderTest, boolean matches) {118    StringBuilder sb = new StringBuilder(format("%s", description));119    if (!matches) sb.append(objectUnderTestDescriptor.apply(objectUnderTest));120    return sb.toString();121  }122}...

Source:VerboseConditionTest.java

...24                                                                              "shorter than 4",25                                                                              s -> format(" but length was %s", s.length(), s));26  @Test27  public void should_succeed_and_display_description_without_actual() {28    assertThat(VERBOSE_CONDITION.matches("foo")).isTrue();29    assertThat(VERBOSE_CONDITION).hasToString("shorter than 4");30  }31  @Test32  public void should_fail_and_display_actual_description_as_per_transformation_function_with_isCondition() {33    // WHEN34    AssertionError assertionError = expectAssertionError(() -> assertThat("foooo").is(VERBOSE_CONDITION));35    // THEN36    then(assertionError).hasMessage(format("%nExpecting actual:%n" +37                                           "  \"foooo\"%n" +38                                           "to be shorter than 4 but length was 5"));39  }40  @Test41  public void should_fail_and_display_actual_description_as_per_transformation_function_with_hasCondition() {42    // GIVEN43    Condition<String> shortLength = verboseCondition(actual -> actual.length() < 4,44                                                     "length shorter than 4",45                                                     s -> format(" but length was %s", s.length(), s));46    // WHEN47    AssertionError assertionError = expectAssertionError(() -> assertThat("foooo").has(shortLength));48    // THEN49    then(assertionError).hasMessage(format("%nExpecting actual:%n" +50                                           "  \"foooo\"%n" +51                                           "to have length shorter than 4 but length was 5"));52  }53  @Test54  public void multiple_matches_should_not_change_description() {55    VERBOSE_CONDITION.matches("foooo");56    assertThat(VERBOSE_CONDITION).hasToString("shorter than 4 but length was 5");57    VERBOSE_CONDITION.matches("foooo");58    VERBOSE_CONDITION.matches("foooo");59    assertThat(VERBOSE_CONDITION).hasToString("shorter than 4 but length was 5");60  }61  @Test62  public void should_throw_NullPointerException_if_condition_predicate_is_null() {63    assertThatNullPointerException().isThrownBy(() -> verboseCondition(null, "description", t -> ""));64  }65  @Test66  public void should_throw_NullPointerException_if_objectUnderTestDescriptor_parameter_is_null() {67    assertThatNullPointerException().isThrownBy(() -> verboseCondition(s -> s != null, "shorter than 4", null));68  }69}...

matches

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.condition.VerboseCondition;3import org.junit.Test;4public class VerboseConditionTest {5    public void testVerboseCondition() {6        Assertions.assertThat("test").matches(VerboseCondition.verboseCondition(7                s -> s.equals("test"), "this is a test"));8    }9}10at org.junit.Assert.assertEquals(Assert.java:115)11at org.junit.Assert.assertEquals(Assert.java:144)12at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:69)13at org.assertj.core.api.AbstractStringAssert.isEqualTo(AbstractStringAssert.java:174)14at org.assertj.core.api.StringAssert.isEqualTo(StringAssert.java:75)15at org.assertj.core.api.AbstractStringAssert.isEqualTo(AbstractStringAssert.java:180)16at org.assertj.core.api.Assertions_assertThat_with_String_Test.test_verbose_condition(Assertions_assertThat_with_String_Test.java:41)

matches

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.condition.VerboseCondition;3public class 1 {4    public static void main(String[] args) {5        Assertions.assertThat("Hello World").matches(VerboseCondition.verboseCondition(String::isEmpty, "is empty"));6        Assertions.assertThat("Hello World").matches(VerboseCondition.verboseCondition(s -> s.length() > 0, "is not empty"));7    }8}

matches

Using AI Code Generation

1package org.assertj.core.condition;2import org.assertj.core.api.Condition;3public class VerboseCondition {4    public static void main(String[] args) {5        Condition<String> condition = new Condition<String>() {6            public boolean matches(String value) {7                return value.contains("test");8            }9        };10        VerboseCondition<String> verboseCondition = new VerboseCondition<>(condition, "should contain test");11        boolean result = verboseCondition.matches("testing");12        System.out.println("Result: " + result);13    }14}

matches

Using AI Code Generation

1public class VerboseConditionMatchesMethod {2    public static void main(String[] args) {3        VerboseCondition<String> vc = new VerboseCondition<>(s -> s.contains("a"), "contains 'a'");4        System.out.println(vc.matches("abc"));5    }6}7import static org.assertj.core.api.Assertions.assertThat;8import static org.assertj.core.condition.VerboseCondition.verboseCondition;9public class VerboseConditionMatchesMethod2 {10    public static void main(String[] args) {11        VerboseCondition<String> vc = verboseCondition(s -> s.contains("a"), "contains 'a'");12        System.out.println(vc.matches("abc"));13        assertThat(vc.matches("abc")).isTrue();14    }15}

matches

Using AI Code Generation

1package org.jfree.chart.util.junit;2import org.assertj.core.api.Condition;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5import static org.assertj.core.condition.VerboseCondition.verboseCondition;6public class AssertJTest {7    public void testAssertJ() {8        assertThat("foo").matches(verboseCondition(new Condition<String>() {9            public boolean matches(String value) {10                return value.contains("foo");11            }12        }, "contains foo"));13    }14}15package org.jfree.chart.util.junit;16import org.junit.Test;17import static org.assertj.core.api.Assertions.assertThat;18import static org.assertj.core.condition.VerboseCondition.verboseCondition;19public class AssertJTest {20    public void testAssertJ() {21        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));22    }23}24package org.jfree.chart.util.junit;25import org.junit.Test;26import static org.assertj.core.api.Assertions.assertThat;27import static org.assertj.core.condition.VerboseCondition.verboseCondition;28public class AssertJTest {29    public void testAssertJ() {30        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));31    }32}33package org.jfree.chart.util.junit;34import org.junit.Test;35import static org.assertj.core.api.Assertions.assertThat;36import static org.assertj.core.condition.VerboseCondition.verboseCondition;37public class AssertJTest {38    public void testAssertJ() {39        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));40    }41}42package org.jfree.chart.util.junit;43import org.junit.Test;44import static org.assertj.core.api.Assertions.assertThat;45import static org.assertj.core.condition.VerboseCondition.verboseCondition;46public class AssertJTest {47    public void testAssertJ() {48        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));49    }50}

matches

Using AI Code Generation

1public class VerboseConditionExample {2	public static void main(String[] args) {3		VerboseCondition<String> vc = new VerboseCondition<>(s -> s.startsWith("A"), "String starts with 'A'");4		assertThat("Abc").matches(vc);5	}6}

matches

Using AI Code Generation

1public class AssertjConditionMatches {2    public static void main(String[] args) {3        String str = "abc";4        Condition<String> condition = new Condition<>(s -> s.length() == 3, "length is 3");5        assertThat(str).matches(condition);6    }7}8public class AssertjConditionMatches {9    public static void main(String[] args) {10        String str = "abc";11        Condition<String> condition = new Condition<>(s -> s.length() == 3, "length is 3");12        assertThat(str).matches(condition);13    }14}15public class AssertjConditionMatches {16    public static void main(String[] args) {17        String str = "abc";18        Condition<String> condition = new Condition<>(s -> s.length() == 3, "length is 3");19        assertThat(str).matches(condition);20    }21}22public class AssertjConditionMatches {23    public static void main(String[] args) {24        String str = "abc";25        Condition<String> condition = new Condition<>(s -> s.length() == 3, "length is 3");26        assertThat(str).matches(condition);27    }28}29public class AssertjConditionMatches {30    public static void main(String[] args) {

matches

Using AI Code Generation

1package org.jfree.chart.util.junit;2import org.assertj.core.api.Condition;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5import static org.assertj.core.condition.VerboseCondition.verboseCondition;6public class AssertJTest {7    public void testAssertJ() {8        assertThat("foo").matches(verboseCondition(new Condition<String>() {9            public boolean matches(String value) {10                return value.contains("foo");11            }12        }, "contains foo"));13    }14}15package org.jfree.chart.util.junit;16import org.junit.Test;17import static org.assertj.core.api.Assertions.assertThat;18import static org.assertj.core.condition.VerboseCondition.verboseCondition;19public class AssertJTest {20    public void testAssertJ() {21        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));22    }23}24package org.jfree.chart.util.junit;25import org.junit.Test;26import static org.assertj.core.api.Assertions.assertThat;27import static org.assertj.core.condition.VerboseCondition.verboseCondition;28public class AssertJTest {29    public void testAssertJ() {30        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));31    }32}33package org.jfree.chart.util.junit;34import org.junit.Test;35import static org.assertj.core.api.Assertions.assertThat;36import static org.assertj.core.condition.VerboseCondition.verboseCondition;37public class AssertJTest {38    public void testAssertJ() {39        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));40    }41}42package org.jfree.chart.util.junit;43import org.junit.Test;44import static org.assertj.core.api.Assertions.assertThat;45import static org.assertj.core.condition.VerboseCondition.verboseCondition;46public class AssertJTest {47    public void testAssertJ() {48        assertThat("foo").matches(verboseCondition(value -> value.contains("foo"), "contains foo"));49    }50}

matches

Using AI Code Generation

1public class VerboseConditionExample {2	public static void main(String[] args) {3		VerboseCondition<String> vc = new VerboseCondition<>(s -> s.startsWith("A"), "String starts with 'A'");4		assertThat("Abc").matches(vc);5	}6}

matches

Using AI Code Generation

1package org.assertj.core.condition;2import org.assertj.core.api.Condition;3public class VerboseCondition<T> extends Condition<T> {4  public VerboseCondition(Condition<T> condition) {5    super(condition.descriptionText, condition.representation);6  }7  public boolean matches(T value) {8    return true;9  }10  public static void main(String[] args) {11    Condition<String> condition = new Condition<String>("my condition") {12      public boolean matches(String value) {13        return value.length() > 10;14      }15    };16    VerboseCondition<String> verboseCondition = new VerboseCondition<String>(condition);17    System.out.println("Does the condition match the value? " + verboseCondition.matches("Hello World!"));18  }19}

matches

Using AI Code Generation

1package org.bitbucket.example;2import org.assertj.core.api.Condition;3import org.assertj.core.condition.VerboseCondition;4public class Example1 {5    public static void main(String[] args) {6        Condition<String> condition = new Condition<String>() {7            public boolean matches(String s) {8                return s.length() > 5;9            }10        };11        String string = "example";12        System.out.println(VerboseCondition.matches(condition, string));13    }14}15package org.bitbucket.example;16import org.assertj.core.api.Condition;17import org.assertj.core.condition.VerboseCondition;18public class Example2 {19    public static void main(String[] args) {20        Condition<String> condition = new Condition<String>() {21            public boolean matches(String s) {22                return s.length() > 5;23            }24        };25        String string = "example";26        System.out.println(VerboseCondition.matches(condition, string, "string"));27    }28}29package org.bitbucket.example;30import org.assertj.core.api.Condition;31import org.assertj.core.condition.VerboseCondition;32public class Example3 {33    public static void main(String[] args) {34        Condition<String> condition = new Condition<String>() {35            public boolean matches(String s) {36                return s.length() > 5;37            }38        };39        String string = "example";40        System.out.println(VerboseCondition.matches(condition, string, "string", "length"));41    }42}43package org.bitbucket.example;44import org.assertj.core.api.Condition;45import org.assertj.core.condition.VerboseCondition;46public class Example4 {47    public static void main(String[] args) {48        Condition<String> condition = new Condition<String>() {49            public boolean matches(String s) {50                return s.length() > 5;

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