How to use describeTo method of org.hamcrest.core.AnyOf class

Best junit code snippet using org.hamcrest.core.AnyOf.describeTo

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...40 return (right.getClass().isAssignableFrom(left.getClass()) &&41 (right.compareTo((T) left) < 0));42 }43 @Override44 public void describeTo(Description description) {45 description.appendText("greater than ");46 description.appendValue(right);47 }48 }49 public static class LessThan<T extends Comparable<T>> extends BaseMatcher<T> {50 private T right;51 LessThan(T right) {52 this.right = right;53 }54 @Override55 public boolean matches(Object left) {56 /​/​noinspection unchecked57 return (right.getClass().isAssignableFrom(left.getClass()) &&58 (right.compareTo((T) left) > 0));59 }60 @Override61 public void describeTo(Description description) {62 description.appendText("greater than ");63 description.appendValue(right);64 }65 }66 public static class EmptyString<T> extends BaseMatcher<T> {67 @Override68 public boolean matches(Object o) {69 return (o == null || o.toString().isEmpty());70 }71 @Override72 public void describeTo(Description description) {73 description.appendText("empty string");74 }75 }76 /​/​endregion77}...

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...3import org.hamcrest.Description;4import org.hamcrest.Matcher;5public class AnyOf<T> extends ShortcutCombination<T> {6 @Override /​/​ org.hamcrest.core.ShortcutCombination7 public /​* bridge */​ /​* synthetic */​ void describeTo(Description description, String str) {8 super.describeTo(description, str);9 }10 public AnyOf(Iterable<Matcher<? super T>> matchers) {11 super(matchers);12 }13 @Override /​/​ org.hamcrest.Matcher, org.hamcrest.core.ShortcutCombination14 public boolean matches(Object o) {15 return matches(o, true);16 }17 @Override /​/​ org.hamcrest.core.ShortcutCombination, org.hamcrest.SelfDescribing18 public void describeTo(Description description) {19 describeTo(description, "or");20 }21 public static <T> AnyOf<T> anyOf(Iterable<Matcher<? super T>> matchers) {22 return new AnyOf<>(matchers);23 }24 @SafeVarargs25 public static <T> AnyOf<T> anyOf(Matcher<? super T>... matchers) {26 return anyOf(Arrays.asList(matchers));27 }28}...

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...11 }12 public boolean matches(Object item) {13 return fMatcher.matches(item);14 }15 public void describeTo(Description description) {16 description.appendDescriptionOf(fMatcher);17 }18 19 @SuppressWarnings("unchecked")20 public CombinableMatcher<T> and(Matcher<? extends T> matcher) {21 return new CombinableMatcher<T>(allOf(matcher, fMatcher));22 }23 @SuppressWarnings("unchecked")24 public CombinableMatcher<T> or(Matcher<? extends T> matcher) {25 return new CombinableMatcher<T>(anyOf(matcher, fMatcher));26 }27}...

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describeTo

Using AI Code Generation

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1package com.baeldung.hamcrest.anyof;2import org.hamcrest.Description;3import org.hamcrest.core.AnyOf;4import org.junit.Test;5import static org.hamcrest.core.IsEqual.equalTo;6import static org.junit.Assert.assertThat;7public class AnyOfUnitTest {8 public void givenAnyOf_whenAssertingCondition_thenCorrect() {9 assertThat("baeldung", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")));10 }11 public void givenAnyOf_whenAssertingCondition_thenCorrect2() {12 assertThat("eugenp", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")));13 }14 @Test(expected = AssertionError.class)15 public void givenAnyOf_whenAssertingCondition_thenCorrect3() {16 assertThat("john", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")));17 }18 public void givenAnyOf_whenAssertingConditionWithDescription_thenCorrect() {19 assertThat("baeldung", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")).describedAs("Testing anyOf"));20 }21 public void givenAnyOf_whenAssertingConditionWithMismatchDescription_thenCorrect() {22 assertThat("john", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")).describedAs("Testing anyOf").describedMismatchAs("Not matching"));23 }24 public void givenAnyOf_whenAssertingConditionWithMismatchDescription2_thenCorrect() {25 assertThat("john", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")).describedAs("Testing anyOf").describedMismatchAs("Not matching", "john"));26 }27 public void givenAnyOf_whenAssertingConditionWithMismatchDescription3_thenCorrect() {28 assertThat("john", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")).describedAs("Testing anyOf").describedMismatchAs("Not matching", "john", "baeldung", "eugenp"));29 }30 public void givenAnyOf_whenAssertingConditionWithMismatchDescription4_thenCorrect() {31 assertThat("john", AnyOf.anyOf(equalTo("baeldung"), equalTo("eugenp")).describedAs("Testing anyOf").describedMismatchAs("Not matching", "john", "baeldung

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describeTo

Using AI Code Generation

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1import org.hamcrest.core.AnyOf2import org.hamcrest.core.IsEqual3import org.hamcrest.core.IsNot4import org.hamcrest.core.IsNull5import spock.lang.Specification6class HamcrestAnyOfSpec extends Specification {7 def "AnyOf"() {8 def anyOf = new AnyOf([new IsEqual(1), new IsNull(), new IsNot(new IsEqual(2))])9 anyOf.describeTo(description)10 description.toString() == "((is <1>) or null value or (not is <2>))"11 }12 def description = new StringDescription()13}14 | description.toString()15 | anyOf.describeTo(description)16 | description.toString()17 | ((is <1>) or null value or (not is <2>))18 | ((is <1>) or null value or (not is <2>))

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describeTo

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1import org.hamcrest.core.AnyOf2import org.hamcrest.core.IsEqual3import org.hamcrest.core.IsInstanceOf4def "test AnyOf"(){5 def anyOf = new AnyOf([new IsInstanceOf(String), new IsEqual(1)])6 anyOf.describeTo(description)7 description.toString() == "an instance of java.lang.String or a value equal to <1>"8}9import org.hamcrest.core.AnyOf10import org.hamcrest.core.IsEqual11import org.hamcrest.core.IsInstanceOf12def "test AnyOf"(){13 def anyOf = new AnyOf([new IsInstanceOf(String), new IsEqual(1)])14 anyOf.describeMismatch(2, description)15 description.toString() == "<2> was neither an instance of java.lang.String nor a value equal to <1>"16}17import org.hamcrest.core.AnyOf18import org.hamcrest.core.IsEqual19import org.hamcrest.core.IsInstanceOf20def "test AnyOf"(){21 def anyOf = new AnyOf([new IsInstanceOf(String), new IsEqual(1)])22 anyOf.describeMismatch("hello", description)23 description.toString() == "<hello> was an instance of java.lang.String"24}25import org.hamcrest.core.AnyOf26import org.hamcrest.core.IsEqual27import org.hamcrest.core.IsInstanceOf28def "test AnyOf"(){29 def anyOf = new AnyOf([new IsInstanceOf(String), new IsEqual(1)])30 anyOf.describeMismatch(1, description)31 description.toString() == "<1> was a value equal to <1>"32}33import org.hamcrest.core.AnyOf34import org.hamcrest.core.IsEqual35import org.hamcrest.core.IsInstanceOf36def "test AnyOf"(){37 def anyOf = new AnyOf([new IsInstanceOf(String), new IsEqual(1)])38 anyOf.describeMismatch(1, description)39 description.toString() == "<1> was a value equal to <1>"40}41import org.hamcrest.core.AnyOf42import org.hamcrest.core.IsEqual43import org.hamcrest.core.IsInstanceOf

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describeTo

Using AI Code Generation

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1import org.hamcrest.core.AnyOf2import org.hamcrest.core.IsEqual3def matcher = new AnyOf([new IsEqual(1), new IsEqual(2), new IsEqual(3)])4def description = new StringDescription()5matcher.describeTo(description)6assert description.toString() == "(is <1> or is <2> or is <3>)"7import org.hamcrest.core.AllOf8import org.hamcrest.core.IsEqual9def matcher = new AllOf([new IsEqual(1), new IsEqual(2), new IsEqual(3)])10def description = new StringDescription()11matcher.describeTo(description)12assert description.toString() == "(is <1> and is <2> and is <3>)"13import org.hamcrest.core.Both14import org.hamcrest.core.IsEqual15def matcher = new Both(new IsEqual(1), new IsEqual(2))16def description = new StringDescription()17matcher.describeTo(description)18assert description.toString() == "(is <1> and is <2>)"19import org.hamcrest.core.Every20import org.hamcrest.core.IsEqual21def matcher = new Every(new IsEqual(1))22def description = new StringDescription()23matcher.describeTo(description)24assert description.toString() == "(every item is <1>)"25import org.hamcrest.core.Is26import org.hamcrest.core.IsEqual27def matcher = new Is(new IsEqual(1))28def description = new StringDescription()29matcher.describeTo(description)30assert description.toString() == "is <1>"

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describeTo

Using AI Code Generation

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1 public void describeTo(Description description) {2 description.appendText("is string that contains");3 for (Matcher<? super String> matcher : matchers) {4 description.appendDescriptionOf(matcher);5 }6 }7 protected void describeMismatchSafely(String item, Description mismatchDescription) {8 mismatchDescription.appendText("was ").appendValue(item);9 }10 protected boolean matchesSafely(String item) {11 for (Matcher<? super String> matcher : matchers) {12 if (matcher.matches(item)) {13 return true;14 }15 }16 return false;17 }18 public Iterable<Matcher<? super String>> matchers() {19 return matchers;20 }21}22public class AnyOfExample {23 public void testAnyOf() {24 assertThat("abcd", anyOf(containsString("a"), containsString("b")));25 }26}

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describeTo

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1public class AnyOfTest {2 public void testAnyOf() {3 Matcher<String> matcher = anyOf(startsWith("J"), endsWith("T"), containsString("A"));4 assertThat("JAVA", matcher);5 assertThat("JUNIT", matcher);6 assertThat("SELENIUM", matcher);7 assertThat("APPIUM", not(matcher));8 }9 public void testAnyOfWithEqualToMethod() {10 Matcher<String> matcher = anyOf(equalTo("JAVA"), equalTo("JUNIT"), equalTo("SELENIUM"));11 assertThat("JAVA", matcher);12 assertThat("JUNIT", matcher);13 assertThat("SELENIUM", matcher);14 assertThat("APPIUM", not(matcher));15 }16 public void testAnyOfWithIsMethod() {17 Matcher<String> matcher = anyOf(is("JAVA"), is("JUNIT"), is("SELENIUM"));18 assertThat("JAVA", matcher);19 assertThat("JUNIT", matcher);20 assertThat("SELENIUM", matcher);21 assertThat("APPIUM", not

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If you add in Hamcrest and JUnit4, you could do:

String x = "foo bar";
Assert.assertThat(x, CoreMatchers.containsString("foo"));

With some static imports, it looks a lot better:

assertThat(x, containsString("foo"));

The static imports needed would be:

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.CoreMatchers.containsString;
https://stackoverflow.com/questions/1092219/assertcontains-on-strings-in-junit

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