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How to use matches method of org.hamcrest.core.DescribedAs class

Best junit code snippet using org.hamcrest.core.DescribedAs.matches

Source:CoreMatchers.java

1// Generated source.2package org.hamcrest;34public class CoreMatchers {56  /**7   * Decorates another Matcher, retaining the behavior but allowing tests8   * to be slightly more expressive.9   * 10   * eg. assertThat(cheese, equalTo(smelly))11   * vs assertThat(cheese, is(equalTo(smelly)))12   */13  public static <T> org.hamcrest.Matcher<T> is(org.hamcrest.Matcher<T> matcher) {14    return org.hamcrest.core.Is.is(matcher);15  }1617  /**18   * This is a shortcut to the frequently used is(equalTo(x)).19   * 20   * eg. assertThat(cheese, is(equalTo(smelly)))21   * vs assertThat(cheese, is(smelly))22   */23  public static <T> org.hamcrest.Matcher<T> is(T value) {24    return org.hamcrest.core.Is.is(value);25  }2627  /**28   * This is a shortcut to the frequently used is(instanceOf(SomeClass.class)).29   * 30   * eg. assertThat(cheese, is(instanceOf(Cheddar.class)))31   * vs assertThat(cheese, is(Cheddar.class))32   */33  public static org.hamcrest.Matcher<java.lang.Object> is(java.lang.Class<?> type) {34    return org.hamcrest.core.Is.is(type);35  }3637  /**38   * Inverts the rule.39   */40  public static <T> org.hamcrest.Matcher<T> not(org.hamcrest.Matcher<T> matcher) {41    return org.hamcrest.core.IsNot.not(matcher);42  }4344  /**45   * This is a shortcut to the frequently used not(equalTo(x)).46   * 47   * eg. assertThat(cheese, is(not(equalTo(smelly))))48   * vs assertThat(cheese, is(not(smelly)))49   */50  public static <T> org.hamcrest.Matcher<T> not(T value) {51    return org.hamcrest.core.IsNot.not(value);52  }5354  /**55   * Is the value equal to another value, as tested by the56   * {@link java.lang.Object#equals} invokedMethod?57   */58  public static <T> org.hamcrest.Matcher<T> equalTo(T operand) {59    return org.hamcrest.core.IsEqual.equalTo(operand);60  }6162  /**63   * Is the value an instance of a particular type?64   */65  public static org.hamcrest.Matcher<java.lang.Object> instanceOf(java.lang.Class<?> type) {66    return org.hamcrest.core.IsInstanceOf.instanceOf(type);67  }6869  /**70   * Evaluates to true only if ALL of the passed in matchers evaluate to true.71   */72  public static <T> org.hamcrest.Matcher<T> allOf(org.hamcrest.Matcher<? extends T>... matchers) {73    return org.hamcrest.core.AllOf.allOf(matchers);74  }7576  /**77   * Evaluates to true only if ALL of the passed in matchers evaluate to true.78   */79  public static <T> org.hamcrest.Matcher<T> allOf(java.lang.Iterable<org.hamcrest.Matcher<? extends T>> matchers) {80    return org.hamcrest.core.AllOf.allOf(matchers);81  }8283  /**84   * Evaluates to true if ANY of the passed in matchers evaluate to true.85   */86  public static <T> org.hamcrest.Matcher<T> anyOf(org.hamcrest.Matcher<? extends T>... matchers) {87    return org.hamcrest.core.AnyOf.anyOf(matchers);88  }8990  /**91   * Evaluates to true if ANY of the passed in matchers evaluate to true.92   */93  public static <T> org.hamcrest.Matcher<T> anyOf(java.lang.Iterable<org.hamcrest.Matcher<? extends T>> matchers) {94    return org.hamcrest.core.AnyOf.anyOf(matchers);95  }9697  /**98   * Creates a new instance of IsSame99   * 100   * @param object The predicate evaluates to true only when the argument is101   * this object.102   */103  public static <T> org.hamcrest.Matcher<T> sameInstance(T object) {104    return org.hamcrest.core.IsSame.sameInstance(object);105  }106107  /**108   * This matcher always evaluates to true.109   */110  public static <T> org.hamcrest.Matcher<T> anything() {111    return org.hamcrest.core.IsAnything.anything();112  }113114  /**115   * This matcher always evaluates to true.116   * 117   * @param description A meaningful string used when describing itself.118   */119  public static <T> org.hamcrest.Matcher<T> anything(java.lang.String description) {120    return org.hamcrest.core.IsAnything.anything(description);121  }122123  /**124   * This matcher always evaluates to true. With type inference.125   */126  public static <T> org.hamcrest.Matcher<T> any(java.lang.Class<T> type) {127    return org.hamcrest.core.IsAnything.any(type);128  }129130  /**131   * Matches if value is null.132   */133  public static <T> org.hamcrest.Matcher<T> nullValue() {134    return org.hamcrest.core.IsNull.nullValue();135  }136137  /**138   * Matches if value is null. With type inference.139   */140  public static <T> org.hamcrest.Matcher<T> nullValue(java.lang.Class<T> type) {141    return org.hamcrest.core.IsNull.nullValue(type);142  }143144  /**145   * Matches if value is not null.146   */147  public static <T> org.hamcrest.Matcher<T> notNullValue() {148    return org.hamcrest.core.IsNull.notNullValue();149  }150151  /**152   * Matches if value is not null. With type inference.153   */154  public static <T> org.hamcrest.Matcher<T> notNullValue(java.lang.Class<T> type) {155    return org.hamcrest.core.IsNull.notNullValue(type);156  }157158  /**159   * Wraps an existing matcher and overrides the description when it fails.160   */161  public static <T> org.hamcrest.Matcher<T> describedAs(java.lang.String description, org.hamcrest.Matcher<T> matcher, java.lang.Object... values) {162    return org.hamcrest.core.DescribedAs.describedAs(description, matcher, values);163  }164165}
...

Source:DescribedAsTest.java

...26    }27    public void testDelegatesMatchingToAnotherMatcher() {28        Matcher<Object> m1 = describedAs("irrelevant", anything());29        Matcher<Object> m2 = describedAs("irrelevant", not(anything()));30        assertTrue(m1.matches(new Object()));31        assertFalse(m2.matches("hi"));32    }33    public void testDelegatesMismatchDescriptionToAnotherMatcher() {34        Matcher<Integer> m1 = describedAs("irrelevant", equalTo(2));35        StringDescription description = new StringDescription();36        m1.describeMismatch(1, description);37        assertEquals("was <1>", description.toString());38    }39}...

matches

Using AI Code Generation

1import org.hamcrest.core.DescribedAs2import org.hamcrest.core.IsEqual3import org.hamcrest.core.IsNot4import spock.lang.Specification5class DescribedAsSpec extends Specification {6    def "DescribedAs"() {7        def matcher = new DescribedAs(new IsEqual('foo'), 'bar', 'baz')8        matcher.matches('foo')9        matcher.matches('bar')10        matcher.matches('baz')11        !matcher.matches('qux')12    }13}14import org.hamcrest.core.IsNot15import org.hamcrest.core.IsEqual16import org.hamcrest.core.IsSame17import spock.lang.Specification18class IsNotSpec extends Specification {19    def "IsNot"() {20        def matcher = new IsNot(new IsSame('foo'))21        matcher.matches('foo')22        !matcher.matches('bar')23        matcher.matches('baz')24        matcher.matches('qux')25    }26}27import org.hamcrest.core.IsSame28import spock.lang.Specification29class IsSameSpec extends Specification {30    def "IsSame"() {31        def matcher = new IsSame('foo')32        matcher.matches('foo')33        !matcher.matches('bar')34        matcher.matches('baz')35        matcher.matches('qux')36    }37}38import org.hamcrest.core.IsEqual39import spock.lang.Specification40class IsEqualSpec extends Specification {41    def "IsEqual"() {42        def matcher = new IsEqual('foo')43        matcher.matches('foo')44        !matcher.matches('bar')45        matcher.matches('baz')46        matcher.matches('qux')47    }48}

matches

Using AI Code Generation

1import org.hamcrest.core.DescribedAs2import org.hamcrest.core.IsEqual3import org.hamcrest.core.IsNot4import org.junit.Assert.assertThat5import org.junit.Test6class MatcherTest {7    fun testDescribedAs() {8        val matcher = IsEqual.equalTo("Hello World")9        val describedAs = DescribedAs.describedAs("A String containing %0", matcher, "Hello World")10        assertThat("Hello World", describedAs)11        assertThat("Hello World", IsNot.not(describedAs))12    }13}14    at org.junit.Assert.assertEquals(Assert.java:115)15    at org.junit.Assert.assertEquals(Assert.java:144)16    at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)17    at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)18    at com.baeldung.hamcrest.DescribedAsTest.testDescribedAs(DescribedAsTest.java:17)

matches

Using AI Code Generation

1import org.hamcrest.core.DescribedAs;2import org.hamcrest.core.StringContains;3public class DescribedAsExample {4    public static void main(String[] args) {5        String email = "invalidemailaddress";6        DescribedAs describedAs = new DescribedAs("Valid email address", new StringContains("@"), email);7        System.out.println(describedAs.matches(email));8    }9}

matches

Using AI Code Generation

1import org.hamcrest.core.DescribedAs2import org.junit.Test3import static org.hamcrest.MatcherAssert.assertThat4import static org.hamcrest.core.IsEqual.equalTo5import static org.hamcrest.core.StringContains.containsString6public class DescribedAsTest {7    public void testDescribedAs() {8        String str = "This is a sample string";9        String substring = "sample";10        assertThat(str, new DescribedAs("contains %0", containsString(substring), equalTo(substring)));11    }12}

matches

Using AI Code Generation

1import org.hamcrest.core.DescribedAs2import org.hamcrest.MatcherAssert3import org.hamcrest.Matchers4import static org.hamcrest.Matchers.*5def matches = new DescribedAs(6    new IsEqual("abc"),7def assertThat = new MatcherAssert()8assertThat.assertThat("abc", matches)9import org.hamcrest.core.IsEqual10import org.hamcrest.MatcherAssert11import org.hamcrest.Matchers12import static org.hamcrest.Matchers.*13def assertThat = new MatcherAssert()14assertThat.assertThat("abc", new IsEqual("abc"))15import org.hamcrest.MatcherAssert16import org.hamcrest.Matchers17import static org.hamcrest.Matchers.*18def assertThat = new MatcherAssert()19assertThat.assertThat("abc", equalTo("abc"))20import org.hamcrest.MatcherAssert21import org.hamcrest.Matchers22import static org.hamcrest.Matchers.*23def assertThat = new MatcherAssert()24assertThat.assertThat("abc", equalTo("abc"))25import org.hamcrest.MatcherAssert26import org.hamcrest.Matchers27import static org.hamcrest.Matchers.*28def assertThat = new MatcherAssert()29assertThat.assertThat("abc", equalTo("abc"))

matches

Using AI Code Generation

1import org.hamcrest.core.DescribedAs2import org.hamcrest.core.IsEqual3import org.hamcrest.core.StringContains4import org.hamcrest.MatcherAssert.assertThat5def matcher = new DescribedAs(new IsEqual("Hello World"), "Hello World")6assertThat(string, matcher)7assertThat(string, new DescribedAs(new StringContains("Hello"), "Hello"))

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