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How to use matchesSafely method of org.hamcrest.core.SubstringMatcher class

Best junit code snippet using org.hamcrest.core.SubstringMatcher.matchesSafely

Source:SubstringMatcher.java

...14/* 14 */     this.substring = substring;15/*    */   }16/*    */ 17/*    */   18/*    */   public boolean matchesSafely(String item) {19/* 19 */     return evalSubstringOf(item);20/*    */   }21/*    */   22/*    */   public void describeMismatchSafely(String item, Description mismatchDescription) {23/* 23 */     mismatchDescription.appendText("was \"").appendText(item).appendText("\"");24/*    */   }25/*    */ 26/*    */   27/*    */   public void describeTo(Description description) {28/* 28 */     description.appendText("a string ").appendText(relationship()).appendText(" ").appendValue(this.substring);29/*    */   }30/*    */   31/*    */   protected abstract boolean evalSubstringOf(String paramString);32/*    */   ...

matchesSafely

Using AI Code Generation

1import org.hamcrest.core.SubstringMatcher2class TestSubstringMatcher extends SubstringMatcher {3    TestSubstringMatcher(String substring) {4        super(substring)5    }6    protected boolean evalSubstringOf(String s) {7        return s.contains(substring)8    }9    protected String relationship() {10    }11}12class TestSubstringMatcherSpec extends Specification {13    def "test substring matcher"() {14        actual == new TestSubstringMatcher(expected).matches(s)15    }16}17actual == new TestSubstringMatcher(expected).matches(s)18	at org.spockframework.runtime.ConditionEvaluator.evaluate(ConditionEvaluator.java:39)19	at org.spockframework.runtime.SpecInternals.evaluateCondition(SpecInternals.java:108)20	at org.spockframework.runtime.SpecInternals.evaluateCondition(SpecInternals.java:98)21	at org.spockframework.runtime.SpecInternals.evaluateCondition(SpecInternals.java:94)22	at TestSubstringMatcherSpec.test substring matcher(TestSubstringMatcherSpec.groovy:19)23Method Description capitalize() Converts the first character of the string to upper case. capitalizeFully() Converts the first character of each word in the string to upper case. codePointAt(int index) Returns the Unicode code point value of the character at the specified index. codePointBefore(int index) Returns the Unicode code point value of the character before the specified index. codePointCount(int beginIndex, int endIndex) Returns the number of Unicode code points in the specified text range of the string. compareTo(String anotherString) Compares two strings lexicographically. compareToIgnoreCase(String str) Compares two strings

matchesSafely

Using AI Code Generation

1import org.hamcrest.Description;2import org.hamcrest.Factory;3import org.hamcrest.Matcher;4import org.hamcrest.core.SubstringMatcher;5public class SubstringMatcherTest extends SubstringMatcher {6   public SubstringMatcherTest(String substring) {7      super(substring);8   }9   protected boolean evalSubstringOf(String s) {10      return s.contains(substring);11   }12   protected boolean evalSubstringOf(StringBuffer s) {13      return s.toString().contains(substring);14   }15   protected String relationship() {16      return "containing";17   }18   public static Matcher<String> containsString(String substring) {19      return new SubstringMatcherTest(substring);20   }21   public static Matcher<StringBuffer> containsString(StringBuffer substring) {22      return new SubstringMatcherTest(substring.toString());23   }24}

matchesSafely

Using AI Code Generation

1package com.example.demo;2import static org.hamcrest.CoreMatchers.containsString;3import static org.hamcrest.CoreMatchers.not;4import static org.junit.Assert.assertThat;5import org.junit.Test;6public class HamcrestSubstringMatcherTest {7    public void whenMatchesSafely_thenCorrect() {8        String str = "This is a string";9        assertThat(str, containsString("is"));10        assertThat(str, not(containsString("is not")));11    }12}

matchesSafely

Using AI Code Generation

1import org.hamcrest.core.SubstringMatcher;2import org.junit.Test;3import static org.hamcrest.MatcherAssert.assertThat;4import static org.hamcrest.core.Is.is;5public class StringContainsSubstring {6    public void testStringContainsSubstring() {7        String string = "abc";8        String substring = "b";9        assertThat(string, is(SubstringMatcher.containsString(substring)));10    }11}

matchesSafely

Using AI Code Generation

1public final static boolean contains(String actual, String given) {2    return new SubstringMatcher() {3        protected boolean evalSubstringOf(String s) {4            return s.contains(given);5        }6        protected String relationship() {7            return "containing";8        }9    }.matchesSafely(actual);10}

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Importance of Unit testing - Learn why Unit testing is essential during the development phase to identify bugs and errors.
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Assertions in JUnit - Assertions are used to validate or test that the result of an action/functionality is the same as expected. Learn in detail what assertions are and how to use them while performing JUnit testing.
Parameterization in JUnit - Parameterized Test enables you to run the same automated test scripts with different variables. By collecting data on each method's test parameters, you can minimize time spent on writing tests. Learn how to use parameterization in JUnit.
Nested Tests In JUnit 5 - A nested class is a non-static class contained within another class in a hierarchical structure. It can share the state and setup of the outer class. Learn about nested annotations in JUnit 5 with examples.
Best practices for JUnit testing - Learn about the best practices, such as always testing key methods and classes, integrating JUnit tests with your build, and more to get the best possible results.
Advanced Use Cases for JUnit testing - Take a deep dive into the advanced use cases, such as how to run JUnit tests in Jupiter, how to use JUnit 5 Mockito for Unit testing, and more for JUnit testing.