How to use hasFailureContaining method of org.junit.experimental.results.ResultMatchers class

Best junit code snippet using org.junit.experimental.results.ResultMatchers.hasFailureContaining

Source:WithUnresolvedGenericTypeVariablesOnTheoryParms.java

1package org.junit.tests.experimental.theories.runner;2import static org.junit.Assert.assertThat;3import static org.junit.experimental.results.PrintableResult.testResult;4import static org.junit.experimental.results.ResultMatchers.failureCountIs;5import static org.junit.experimental.results.ResultMatchers.hasFailureContaining;6import static org.junit.experimental.results.ResultMatchers.hasSingleFailureContaining;7import static org.junit.experimental.results.ResultMatchers.isSuccessful;8import java.util.Arrays;9import java.util.Collection;10import java.util.List;11import java.util.Map;12import org.junit.Test;13import org.junit.experimental.results.PrintableResult;14import org.junit.experimental.theories.DataPoint;15import org.junit.experimental.theories.DataPoints;16import org.junit.experimental.theories.Theories;17import org.junit.experimental.theories.Theory;18import org.junit.runner.RunWith;19public class WithUnresolvedGenericTypeVariablesOnTheoryParms {20    @Test21    public void whereTypeVariableIsOnTheTheory() {22        PrintableResult result = testResult(TypeVariableOnTheoryOnly.class);23        assertThat(result, isSuccessful());24    }25    @RunWith(Theories.class)26    public static class TypeVariableOnTheoryOnly {27        @DataPoint28        public static List<String> strings = Arrays.asList("foo", "bar");29        @Theory30        public <T> void forItems(Collection<?> items) {31        }32    }33    @Test34    public void whereTypeVariableIsOnTheoryParm() {35        PrintableResult result = testResult(TypeVariableOnTheoryParm.class);36        assertThat(result, hasSingleFailureContaining("unresolved type variable T"));37    }38    @RunWith(Theories.class)39    public static class TypeVariableOnTheoryParm {40        @DataPoint41        public static String string = "foo";42        @Theory43        public <T> void forItem(T item) {44        }45    }46    @Test47    public void whereTypeVariableIsOnParameterizedTheoryParm() {48        PrintableResult result = testResult(TypeVariableOnParameterizedTheoryParm.class);49        assertThat(result, hasSingleFailureContaining("unresolved type variable T"));50    }51    @RunWith(Theories.class)52    public static class TypeVariableOnParameterizedTheoryParm {53        @DataPoint54        public static List<String> strings = Arrays.asList("foo", "bar");55        @Theory56        public <T> void forItems(Collection<T> items) {57        }58    }59    @Test60    public void whereTypeVariableIsOnWildcardUpperBoundOnTheoryParm() {61        PrintableResult result = testResult(TypeVariableOnWildcardUpperBoundOnTheoryParm.class);62        assertThat(result, hasSingleFailureContaining("unresolved type variable U"));63    }64    @RunWith(Theories.class)65    public static class TypeVariableOnWildcardUpperBoundOnTheoryParm {66        @DataPoint67        public static List<String> strings = Arrays.asList("foo", "bar");68        @Theory69        public <U> void forItems(Collection<? extends U> items) {70        }71    }72    @Test73    public void whereTypeVariableIsOnWildcardLowerBoundOnTheoryParm() {74        PrintableResult result = testResult(TypeVariableOnWildcardLowerBoundOnTheoryParm.class);75        assertThat(result, hasSingleFailureContaining("unresolved type variable V"));76    }77    @RunWith(Theories.class)78    public static class TypeVariableOnWildcardLowerBoundOnTheoryParm {79        @DataPoint80        public static List<String> strings = Arrays.asList("foo", "bar");81        @Theory82        public <V> void forItems(Collection<? super V> items) {83        }84    }85    @Test86    public void whereTypeVariableIsOnArrayTypeOnTheoryParm() {87        PrintableResult result = testResult(TypeVariableOnArrayTypeOnTheoryParm.class);88        assertThat(result, hasSingleFailureContaining("unresolved type variable T"));89    }90    @RunWith(Theories.class)91    public static class TypeVariableOnArrayTypeOnTheoryParm {92        @DataPoints93        public static String[][] items() {94            return new String[][]{new String[]{"foo"}, new String[]{"bar"}};95        }96        @Theory97        public <T> void forItems(T[] items) {98        }99    }100    @Test101    public void whereTypeVariableIsOnComponentOfArrayTypeOnTheoryParm() {102        PrintableResult result = testResult(TypeVariableOnComponentOfArrayTypeOnTheoryParm.class);103        assertThat(result, hasSingleFailureContaining("unresolved type variable U"));104    }105    @RunWith(Theories.class)106    public static class TypeVariableOnComponentOfArrayTypeOnTheoryParm {107        @DataPoints108        public static List<?>[][] items() {109            return new List<?>[][]{110                    new List<?>[]{Arrays.asList("foo")},111                    new List<?>[]{Arrays.asList("bar")}112            };113        }114        @Theory115        public <U> void forItems(Collection<U>[] items) {116        }117    }118    @Test119    public void whereTypeVariableIsOnTheoryClass() {120        PrintableResult result = testResult(TypeVariableOnTheoryClass.class);121        assertThat(result, hasSingleFailureContaining("unresolved type variable T"));122    }123    @RunWith(Theories.class)124    public static class TypeVariableOnTheoryClass<T> {125        @DataPoint126        public static String item = "bar";127        @Theory128        public void forItem(T item) {129        }130    }131    @Test132    public void whereTypeVariablesAbound() {133        PrintableResult result = testResult(TypeVariablesAbound.class);134        assertThat(result, failureCountIs(7));135        assertThat(result, hasFailureContaining("unresolved type variable A"));136        assertThat(result, hasFailureContaining("unresolved type variable B"));137        assertThat(result, hasFailureContaining("unresolved type variable C"));138        assertThat(result, hasFailureContaining("unresolved type variable D"));139        assertThat(result, hasFailureContaining("unresolved type variable E"));140        assertThat(result, hasFailureContaining("unresolved type variable F"));141        assertThat(result, hasFailureContaining("unresolved type variable G"));142    }143    @RunWith(Theories.class)144    public static class TypeVariablesAbound<A, B extends A, C extends Collection<B>> {145        @Theory146        public <D, E extends D, F, G> void forItem(A first, Collection<B> second,147                Map<C, ? extends D> third, List<? super E> fourth, F[] fifth,148                Collection<G>[] sixth) {149        }150    }151}...

Source:VerifierRuleTest.java

...3import static org.hamcrest.CoreMatchers.is;4import static org.junit.Assert.assertEquals;5import static org.junit.Assert.assertThat;6import static org.junit.experimental.results.PrintableResult.testResult;7import static org.junit.experimental.results.ResultMatchers.hasFailureContaining;8import static org.junit.experimental.results.ResultMatchers.isSuccessful;910import java.util.concurrent.Callable;1112import org.junit.Rule;13import org.junit.Test;14import org.junit.experimental.results.PrintableResult;15import org.junit.rules.ErrorCollector;16import org.junit.rules.Verifier;1718public class VerifierRuleTest {19	public static class UsesErrorCollector {20		@Rule21		public ErrorCollector collector= new ErrorCollector();22		23		@Test public void example() {24			collector.addError(new Throwable("message"));25		}26	}27	28	@Test public void usedErrorCollectorShouldFail() {29		assertThat(testResult(UsesErrorCollector.class), hasFailureContaining("message"));30	}31	32	public static class UsesErrorCollectorTwice {33		@Rule34		public ErrorCollector collector= new ErrorCollector();35		36		@Test public void example() {37			collector.addError(new Throwable("first thing went wrong"));38			collector.addError(new Throwable("second thing went wrong"));39		}40	}41	42	@Test public void usedErrorCollectorTwiceShouldFail() {43		PrintableResult testResult= testResult(UsesErrorCollectorTwice.class);44		assertThat(testResult, hasFailureContaining("first thing went wrong"));45		assertThat(testResult, hasFailureContaining("second thing went wrong"));46	}47	48	public static class UsesErrorCollectorCheckThat {49		@Rule50		public ErrorCollector collector= new ErrorCollector();51		52		@Test public void example() {53			collector.checkThat(3, is(4));54			collector.checkThat(5, is(6));55		}56	}57	58	@Test public void usedErrorCollectorCheckThatShouldFail() {59		PrintableResult testResult= testResult(UsesErrorCollectorCheckThat.class);60		assertThat(testResult, hasFailureContaining("got: <3>"));61		assertThat(testResult, hasFailureContaining("got: <5>"));62	}6364	public static class UsesErrorCollectorCheckSucceeds {65		@Rule66		public ErrorCollector collector= new ErrorCollector();67		68		@Test public void example() {69			collector.checkSucceeds(new Callable<Object>() {70				public Object call() throws Exception {71					throw new RuntimeException("first!");72				}73			});74			collector.checkSucceeds(new Callable<Object>() {75				public Object call() throws Exception {76					throw new RuntimeException("second!");77				}78			});79		}80	}81	82	@Test public void usedErrorCollectorCheckSucceedsShouldFail() {83		PrintableResult testResult= testResult(UsesErrorCollectorCheckSucceeds.class);84		assertThat(testResult, hasFailureContaining("first!"));85		assertThat(testResult, hasFailureContaining("second!"));86	}8788	public static class UsesErrorCollectorCheckSucceedsPasses {89		@Rule90		public ErrorCollector collector= new ErrorCollector();91		92		@Test public void example() {93			assertEquals(3, collector.checkSucceeds(new Callable<Object>() {94				public Object call() throws Exception {95					return 3;96				}97			}));98		}99	}
...

Source:UnsuccessfulWithDataPointFields.java

...3import static org.hamcrest.CoreMatchers.is;4import static org.junit.Assert.assertThat;5import static org.junit.experimental.results.PrintableResult.testResult;6import static org.junit.experimental.results.ResultMatchers.failureCountIs;7import static org.junit.experimental.results.ResultMatchers.hasFailureContaining;8import static org.junit.experimental.results.ResultMatchers.hasSingleFailureContaining;9import static org.junit.matchers.JUnitMatchers.both;10import org.junit.Test;11import org.junit.experimental.theories.DataPoint;12import org.junit.experimental.theories.Theories;13import org.junit.experimental.theories.Theory;14import org.junit.runner.RunWith;15import org.junit.runners.model.TestClass;1617public class UnsuccessfulWithDataPointFields {18	@RunWith(Theories.class)19	public static class HasATheory {20		@DataPoint21		public static int ONE= 1;2223		@Theory24		public void everythingIsZero(int x) {25			assertThat(x, is(0));26		}27	}2829	@Test30	public void theoryClassMethodsShowUp() throws Exception {31		assertThat(new Theories(HasATheory.class).getDescription()32				.getChildren().size(), is(1));33	}3435	@Test36	public void theoryAnnotationsAreRetained() throws Exception {37		assertThat(new TestClass(HasATheory.class).getAnnotatedMethods(38				Theory.class).size(), is(1));39	}4041	@Test42	public void canRunTheories() throws Exception {43		assertThat(testResult(HasATheory.class),44				hasSingleFailureContaining("Expected"));45	}4647	@RunWith(Theories.class)48	public static class DoesntUseParams {49		@DataPoint50		public static int ONE= 1;5152		@Theory53		public void everythingIsZero(int x, int y) {54			assertThat(2, is(3));55		}56	}5758	@Test59	public void reportBadParams() throws Exception {60		assertThat(testResult(DoesntUseParams.class),61				hasSingleFailureContaining("everythingIsZero(ONE, ONE)"));62	}6364	@RunWith(Theories.class)65	public static class NullsOK {66		@DataPoint67		public static String NULL= null;6869		@DataPoint70		public static String A= "A";7172		@Theory73		public void everythingIsA(String a) {74			assertThat(a, is("A"));75		}76	}7778	@Test79	public void nullsUsedUnlessProhibited() throws Exception {80		assertThat(testResult(NullsOK.class),81				hasSingleFailureContaining("null"));82	}8384	@RunWith(Theories.class)85	public static class DataPointsMustBeStatic {86		@DataPoint87		int THREE= 3;8889		@DataPoint90		int FOUR= 3;9192		@Theory93		public void numbers(int x) {9495		}96	}9798	@Test99	public void dataPointsMustBeStatic() {100		assertThat(101				testResult(DataPointsMustBeStatic.class),102				both(failureCountIs(2))103						.and(104								hasFailureContaining("DataPoint field THREE must be static"))105						.and(106								hasFailureContaining("DataPoint field FOUR must be static")));107	}108109	@RunWith(Theories.class)110	public static class TheoriesMustBePublic {111		@DataPoint112		public static int THREE= 3;113114		@Theory115		void numbers(int x) {116117		}118	}119120	@Test
...

Source:ResultMatchersTest.java

...21        assertThat(ResultMatchers.failureCountIs(i).toString(),22                containsString("" + i));23    }24    @Test25    public void hasFailureContaining_givenResultWithNoFailures() {26        PrintableResult resultWithNoFailures = new PrintableResult(new ArrayList<Failure>());27        assertThat(ResultMatchers.hasFailureContaining("").matches(resultWithNoFailures), is(false));28    }29    @Test30    public void hasFailureContaining_givenResultWithOneFailure() {31        PrintableResult resultWithOneFailure = new PrintableResult(Collections.singletonList(32                new Failure(Description.EMPTY, new RuntimeException("my failure"))));33        assertThat(ResultMatchers.hasFailureContaining("my failure").matches(resultWithOneFailure), is(true));34        assertThat(ResultMatchers.hasFailureContaining("his failure").matches(resultWithOneFailure), is(false));35    }36}...

hasFailureContaining

Using AI Code Generation

1import static org.junit.experimental.results.PrintableResult.*;2import static org.junit.experimental.results.ResultMatchers.*;3import static org.junit.runner.Description.*;4import org.junit.Test;5import org.junit.runner.RunWith;6import org.junit.runners.JUnit4;7@RunWith(JUnit4.class)8public class JUnit4Test {9	public void test() {10		assertThat(testResult(FailingTest.class), hasFailureContaining("expected"));11	}12	public static class FailingTest {13		@Test public void fail() {14			fail("expected");15		}16	}17}

hasFailureContaining

Using AI Code Generation

1import static org.junit.experimental.results.PrintableResult.testResult;2import static org.junit.experimental.results.ResultMatchers.hasFailureContaining;3import org.junit.Test;4public class TestJUnitResultMatcher {5    public void testFailures() {6        org.junit.runner.Result result = testResult(FailingTest.class);7        assertThat(result, hasFailureContaining("expected:<[tru]e> but was:<[fals]e>"));8    }9}10public class FailingTest {11    public void test() {12        assertThat(1 + 1, is(3));13    }14}15    at org.junit.Assert.assertEquals(Assert.java:115)16    at org.junit.Assert.assertEquals(Assert.java:144)17    at org.junit.Assert.assertThat(Assert.java:780)18    at org.junit.Assert.assertThat(Assert.java:738)19    at org.junit.experimental.results.PrintableResultTest$FailingTest.test(PrintableResultTest.java:22)20import static org.hamcrest.MatcherAssert.assertThat;21import static org.hamcrest.Matchers.is;22import org.junit.jupiter.api.Test;23public class TestJUnit5Assertion {24    public void testAssertion() {25        assertThat(1 + 1, is(2));26    }27}28import static org.junit.platform.console.tasks.ResultAssertions.printResult;29import org.junit.platform.engine.TestExecutionResult;30import org.junit.platform.engine.support.descriptor.EngineDescriptor;31import org.junit.platform.launch

hasFailureContaining

Using AI Code Generation

1ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")2ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")3ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")4ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")5ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")6ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")7ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")8ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")9ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")10ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")11ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")12ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")13ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")14ResultMatchers.hasFailureContaining("Expected: is \"foo\" but: was \"bar\"")

hasFailureContaining

Using AI Code Generation

1public class JUnitResultMatchersTest {2    public void testFailure() {3        Result result = JUnitCore.runClasses(FailureTest.class);4        assertThat(result, hasFailureContaining("Expected"));5    }6}7    at org.junit.Assert.assertThat(Assert.java:780)8    at org.junit.Assert.assertThat(Assert.java:738)9    at org.junit.experimental.results.PrintableResultTest.testFailure(PrintableResultTest.java:33)10    at org.junit.Assert.assertThat(Assert.java:780)11    at org.junit.Assert.assertThat(Assert.java:738)12    at org.junit.experimental.results.PrintableResultTest.testFailure(PrintableResultTest.java:33)13    at org.junit.Assert.assertThat(Assert.java:780)14    at org.junit.Assert.assertThat(Assert.java:738)15    at org.junit.experimental.results.PrintableResultTest.testFailure(PrintableResultTest.java:33)16    at org.junit.Assert.assertThat(Assert.java:780)17    at org.junit.Assert.assertThat(Assert.java:738)18    at org.junit.experimental.results.PrintableResultTest.testFailure(PrintableResultTest.java:33)19    at org.junit.Assert.assertThat(Assert.java:780)20    at org.junit.Assert.assertThat(Assert.java:738)21    at org.junit.experimental.results.PrintableResultTest.testFailure(PrintableResultTest.java:33)

hasFailureContaining

Using AI Code Generation

1class TestClass {2    void test() {3        fail("failure message");4    }5}6class TestRunner {7    public static void main(String... args) {8        Result result = JUnitCore.runClasses(TestClass.class);9        System.out.println(result.wasSuccessful());10    }11}12Result result = JUnitCore.runClasses(TestClass.class);13assertThat(result, hasFailureContaining("failure message"));14Result result = JUnitCore.runClasses(TestClass.class);15assertThat(result, hasFailureContaining("invalid message"));16Result result = JUnitCore.runClasses(TestClass.class);17assertThat(result, hasFailureContaining(".*failure.*"));18Result result = JUnitCore.runClasses(TestClass.class);19assertThat(result, hasFailureContaining(".*invalid.*"));20Result result = JUnitCore.runClasses(TestClass.class);21assertThat(result, hasFailureContaining(".*failure.*"));22Result result = JUnitCore.runClasses(TestClass.class);23assertThat(result, hasFailureContaining(".*invalid.*"));24Result result = JUnitCore.runClasses(TestClass.class);25assertThat(result, hasFailureContaining(".*invalid.*"));

hasFailureContaining

Using AI Code Generation

1import org.junit.Test2import kotlin.test.assertEquals3class CalculatorTest {4    fun `should add two numbers`() {5        val calculator = Calculator()6        val result = calculator.add(1, 2)7        assertEquals(3, result)8    }9}10import org.junit.jupiter.api.Assertions.assertEquals11import org.junit.jupiter.api.Test12class CalculatorTest {13    fun `should add two numbers`() {14        val calculator = Calculator()15        val result = calculator.add(1, 2)16        assertEquals(3, result)17    }18}19import org.junit.Assert.assertEquals20import org.junit.Test21class CalculatorTest {22    fun `should add two numbers`() {23        val calculator = Calculator()24        val result = calculator.add(1, 2)25        assertEquals(3, result)26    }27}

hasFailureContaining

Using AI Code Generation

1import org.junit.Test;2import org.junit.experimental.results.ResultMatchers;3import org.junit.runner.JUnitCore;4public class TestClass {5    public void test() {6        ResultMatchers.hasFailureContaining("test");7    }8}9org.junit.experimental.results.ResultMatchers has no method hasFailureContaining(java.lang.String)10import org.junit.Test;11import org.hamcrest.MatcherAssert;12import org.hamcrest.Matchers;13public class TestClass {14    public void test() {15        MatcherAssert.assertThat("test", Matchers.hasFailureContaining("test"));16    }17}18import org.junit.Test;19import org.hamcrest.MatcherAssert;20import org.hamcrest.Matchers;21public class TestClass {22    public void test() {23        MatcherAssert.assertThat("test", Matchers.hasFailureContaining("test"));24    }25}

hasFailureContaining

Using AI Code Generation

1public void testForFailure() throws Exception {2    Result result = JUnitCore.runClasses(ExampleTest.class);3    assertThat(result, hasFailureContaining("failure"));4}5package com.baeldung.junit.result;6import org.junit.Test;7import static org.junit.Assert.fail;8public class ExampleTest {9    public void testForFailure() {10        fail("failure");11    }12}13package org.junit.experimental.results;14import org.hamcrest.Description;15import org.hamcrest.Factory;16import org.hamcrest.Matcher;17import org.hamcrest.TypeSafeMatcher;18import org.junit.runner.Result;19public class ResultMatchers {20    public static Matcher<Result> hasFailureContaining(final String substring) {21        return new TypeSafeMatcher<Result>() {22            public void describeTo(Description description) {23                description.appendText("has failure containing " + substring);24            }25            protected boolean matchesSafely(Result result) {26                return result.getFailures().get(0).toString().contains(substring);27            }28        };29    }30}31package org.junit.experimental.results;32import org.junit.Test;33import static org.junit.Assert.fail;34import static org.junit.experimental.results.PrintableResult.testResult;35import static org.junit.experimental.results.ResultMatchers.isSuccessful;36import static org.junit.experimental.results.ResultMatchers.hasFailureContaining;37import static org.junit.Assert.assertThat;38public class ResultMatchersTest {39    public void successful() {40        assertThat(testResult(Success.class), isSuccessful());41    }42    public void failing() {43        assertThat(testResult(Failure.class), hasFailureContaining("failure"));44    }45    public static class Success {46        public void succeed() {47        }48    }49    public static class Failure {50        public void fail() {51            fail("failure");52        }53    }54}55package org.junit.experimental.results;56import java.io.ByteArrayOutputStream;57import java.io.PrintStream;58import org.junit.runner.JUnitCore;59import org.junit.runner.Result;60public class PrintableResult {61    public static Result testResult(Class<?>... classes) {62        return JUnitCore.runClasses(classes);63    }64    public static String testResultString(Class<?>... classes) {65        Result result = testResult(classes);66        ByteArrayOutputStream buffer = new ByteArrayOutputStream();

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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.
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