How to use failure method of matchers.IsFailure class

Best Spectrum code snippet using matchers.IsFailure.failure

Source:VavrMatchersTest.java Github

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...50 }51 @Test52 void testTryMatchers() {53 assertThat(Try.success("S"), isSuccess());54 assertThat(Try.failure(new RuntimeException()), not(isSuccess()));55 assertThat(Try.success("S"), isSuccess("S"));56 assertThat(Try.success("B"), not(isSuccess("S")));57 assertThat(Try.failure(new RuntimeException()), not(isSuccess("S")));58 assertThat(Try.success("S"), isSuccess("Starts with an S", v -> v.startsWith("S")));59 assertThat(Try.success("B"), not(isSuccess("Starts with an S", v -> v.startsWith("S"))));60 assertThat(Try.failure(new RuntimeException()), not(VavrMatchers.<String> isSuccess("Starts with an S", v -> v.startsWith("S"))));61 assertThat(Try.failure(new RuntimeException()), isFailure());62 assertThat(Try.success("S"), not(isFailure()));63 assertThat(Try.failure(new IllegalStateException()), isFailure(IllegalStateException.class));64 assertThat(Try.failure(new IllegalArgumentException()), not(isFailure(IllegalStateException.class)));65 assertThat(Try.success("S"), not(isFailure(IllegalStateException.class)));66 assertThat(Try.failure(new IllegalArgumentException()), isFailure("Is a runtime exception", t -> t instanceof RuntimeException));67 assertThat(Try.failure(new IOException()), not(isFailure("Is a runtime exception", t -> t instanceof RuntimeException)));68 assertThat(Try.success("Great success!"), not(isFailure("Is a runtime exception", t -> t instanceof RuntimeException)));69 }70 @Test71 void testDescriptions() {72 assertThat(descriptionOf(isNone()), equalTo("is an empty Option"));73 assertThat(descriptionOf(isEmptyOption()), equalTo("is an empty Option"));74 assertThat(descriptionOf(isSome()), equalTo("is an Option with a value"));75 assertThat(descriptionOf(isDefinedOption()), equalTo("is an Option with a value"));76 assertThat(descriptionOf(isSome("A")), equalTo("is an Option with a value equal to \"A\""));77 assertThat(descriptionOf(isDefinedOption("A")), equalTo("is an Option with a value equal to \"A\""));78 assertThat(descriptionOf(isDefinedOption("A", v -> true)), equalTo("is an Option with a value matching \"A\""));79 assertThat(descriptionOf(isLeft()), equalTo("is a left Either"));80 assertThat(descriptionOf(isLeft("L")), equalTo("is a left Either, with value \"L\""));81 assertThat(descriptionOf(isLeft("L", v -> true)), equalTo("is a left Either, matching \"L\""));82 assertThat(descriptionOf(isRight()), equalTo("is a right Either"));83 assertThat(descriptionOf(isRight("R")), equalTo("is a right Either, with value \"R\""));84 assertThat(descriptionOf(isRight("Predicate", v -> true)), equalTo("is a right Either, matching \"Predicate\""));85 assertThat(descriptionOf(isSuccess()), equalTo("is a success"));86 assertThat(descriptionOf(isSuccess("S")), equalTo("is a success, with value \"S\""));87 assertThat(descriptionOf(VavrMatchers.<String> isSuccess("Starts with an S", v -> v.startsWith("S"))), equalTo("is a success, matching \"Starts with an S\""));88 assertThat(descriptionOf(isFailure()), equalTo("is a failure"));89 assertThat(descriptionOf(isFailure(IllegalStateException.class)), equalTo("is a failure, with exception of type \"java.lang.IllegalStateException\""));90 assertThat(descriptionOf(isFailure("Is a runtime exception", t -> t instanceof RuntimeException)), equalTo("is a failure, with throwable matching \"Is a runtime exception\""));91 }92}...

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Source:TryMatchersTest.java Github

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1package io.atlassian.fugue.hamcrest;2import org.junit.Test;3import static io.atlassian.fugue.Try.failure;4import static io.atlassian.fugue.Try.successful;5import static io.atlassian.fugue.hamcrest.TryMatchers.isFailure;6import static io.atlassian.fugue.hamcrest.TryMatchers.isSuccessful;7import static org.hamcrest.Matchers.*;8import static org.hamcrest.MatcherAssert.assertThat;9public class TryMatchersTest {10 @Test public void shouldMatchAnyFailure() {11 assertThat(failure(new RuntimeException("any")), TryMatchers.isFailure());12 }13 @Test public void shouldNotMatchASuccessWhenExpectingAnyFailure() {14 assertThat(successful("a success"), not(isFailure()));15 }16 @Test public void shouldMatchASpecificFailure() {17 assertThat(failure(new RuntimeException("any")), TryMatchers.isFailure(any(Exception.class)));18 }19 @Test public void shouldNotMatchASuccessWhenExpectingASpecificFailure() {20 assertThat(successful("a success"), not(isFailure(any(Exception.class))));21 }22 @Test public void shouldNotMatchADifferentFailure() {23 assertThat(failure(new IllegalArgumentException("wrong exception")),24 not(TryMatchers.isFailure(is(new IllegalStateException("expected exception")))));25 }26 @Test public void shouldMatchASuccessfulTry() {27 assertThat(successful("anyResult"), isSuccessful(isA(String.class)));28 }29 @Test public void shouldMatchASuccessfulTryWithASupertypeMatcher() {30 assertThat(successful("anyResult"), isSuccessful(isA(Object.class)));31 }32 @Test public void shouldNotMatchAFailureWhenExpectingASuccess() {33 assertThat(failure(new RuntimeException("any")), not(isSuccessful(any(Object.class))));34 }35}...

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failure

Using AI Code Generation

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1package matchers;2import org.hamcrest.Description;3import org.hamcrest.Factory;4import org.hamcrest.Matcher;5import org.hamcrest.TypeSafeMatcher;6public class IsFailure<T> extends TypeSafeMatcher<T> {7 private final Matcher<T> matcher;8 public IsFailure(Matcher<T> matcher) {9 this.matcher = matcher;10 }11 public boolean matchesSafely(T item) {12 return !matcher.matches(item);13 }14 public void describeTo(Description description) {15 description.appendText("failure of ").appendDescriptionOf(matcher);16 }17 protected void describeMismatchSafely(T item, Description mismatchDescription) {18 matcher.describeMismatch(item, mismatchDescription);19 }20 public static <T> Matcher<T> isFailure(Matcher<T> matcher) {21 return new IsFailure<T>(matcher);22 }23}24package matchers;25import org.hamcrest.Matcher;26import org.junit.Test;27import static matchers.IsFailure.failure;28import static org.hamcrest.CoreMatchers.is;29import static org.junit.Assert.assertThat;30public class IsFailureTest {31 public void testIsFailure() {32 Matcher<String> matcher = is("abc");33 assertThat("abc", isFailure(matcher));34 }35}36package matchers;37import org.hamcrest.Matcher;38import org.junit.Test;39import static matchers.IsFailure.failure;40import static org.hamcrest.CoreMatchers.is;41import static org.junit.Assert.assertThat;42public class IsFailureTest {43 public void testIsFailure() {44 Matcher<String> matcher = is("abc");45 assertThat("abc", failure(matcher));46 }47}48package matchers;49import org.hamcrest.Matcher;50import org.junit.Test;51import static matchers.IsFailure.failure;52import static org.hamcrest.CoreMatchers.is;53import static org.junit.Assert.assertThat;54public class IsFailureTest {55 public void testIsFailure() {56 Matcher<String> matcher = is("abc");57 assertThat("abc", failure(matcher));58 }59}

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failure

Using AI Code Generation

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1package matchers;2import org.hamcrest.Description;3import org.hamcrest.Factory;4import org.hamcrest.Matcher;5import org.hamcrest.TypeSafeMatcher;6public class IsFailure extends TypeSafeMatcher<Matcher<?>> {7 private final Matcher<?> matcher;8 public IsFailure(Matcher<?> matcher) {9 this.matcher = matcher;10 }11 public boolean matchesSafely(Matcher<?> item) {12 try {13 item.matches(new Object());14 } catch (AssertionError e) {15 return matcher.matches(e);16 }17 return false;18 }19 public void describeTo(Description description) {20 description.appendText("failure ").appendDescriptionOf(matcher);21 }22 public static Matcher<Matcher<?>> failure(Matcher<?> matcher) {23 return new IsFailure(matcher);24 }25 public static Matcher<Matcher<?>> failure(String message) {26 return failure(new HasMessage(message));27 }28}29package matchers;30import org.hamcrest.Description;31import org.hamcrest.TypeSafeMatcher;32public class HasMessage extends TypeSafeMatcher<AssertionError> {33 private final String message;34 public HasMessage(String message) {35 this.message = message;36 }37 public boolean matchesSafely(AssertionError error) {38 return message.equals(error.getMessage());39 }40 public void describeTo(Description description) {41 description.appendText("has message ").appendValue(message);42 }43}44package matchers;45import org.hamcrest.Matcher;46import org.junit.Test;47import static org.junit.Assert.assertThat;48import static matchers.IsFailure.failure;49import static matchers.HasMessage.hasMessage;50public class IsFailureTest {51 public void testFailure() {52 Matcher<Matcher<?>> matcher = failure("message");53 assertThat(matcher, failure(hasMessage("message")));54 }55}56package matchers;57import org.hamcrest.Description;58import org.hamcrest.TypeSafeMatcher;59public class HasMessage extends TypeSafeMatcher<AssertionError> {60 private final String message;61 public HasMessage(String message) {62 this.message = message;63 }64 public boolean matchesSafely(AssertionError error) {65 return message.equals(error.getMessage());66 }67 public void describeTo(Description description) {

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failure

Using AI Code Generation

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1package com.k2js.aboutmatchers.practice;2import org.testng.Assert;3import org.testng.annotations.Test;4class A{5 public static int i=10;6}7class B extends A{8 public static int i=20;9}10class C extends B{11 public static int i=30;12}13class D extends C{14 public static int i=40;15}16class E extends D{17 public static int i=50;18}19class F extends E{20 public static int i=60;21}22class G extends F{23 public static int i=70;24}25class H extends G{26 public static int i=80;27}28class I extends H{29 public static int i=90;30}31class J extends I{32 public static int i=100;33}34class K extends J{35 public static int i=110;36}37class L extends K{38 public static int i=120;39}40class M extends L{41 public static int i=130;42}43class N extends M{44 public static int i=140;45}46class O extends N{47 public static int i=150;48}49class P extends O{50 public static int i=160;51}52class Q extends P{53 public static int i=170;54}55class R extends Q{56 public static int i=180;57}58class S extends R{59 public static int i=190;60}61class T extends S{62 public static int i=200;63}64class U extends T{65 public static int i=210;66}67class V extends U{68 public static int i=220;69}70class W extends V{71 public static int i=230;72}73class X extends W{74 public static int i=240;75}76class Y extends X{77 public static int i=250;78}79class Z extends Y{80 public static int i=260;81}82class AA extends Z{83 public static int i=270;84}85class BB extends AA{86 public static int i=280;87}88class CC extends BB{89 public static int i=290;90}91class DD extends CC{92 public static int i=300;93}94class EE extends DD{95 public static int i=310;96}97class FF extends EE{98 public static int i=320;99}100class GG extends FF{101 public static int i=330;102}103class HH extends GG{104 public static int i=340;105}106class II extends HH{107 public static int i=350;108}109class JJ extends II{110 public static int i=360;111}112class KK extends JJ{

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failure

Using AI Code Generation

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1package matchers;2import org.hamcrest.Description;3import org.hamcrest.Matcher;4import org.hamcrest.StringDescription;5import static org.hamcrest.CoreMatchers.is;6public class IsFailureTest {7 public static void main(String[] args) {8 Matcher<String> matcher = is("Hello");9 Description description = new StringDescription();10 matcher.describeMismatch("World", description);11 System.out.println(description.toString());12 System.out.println(IsFailure.failure(matcher, "World"));13 }14}

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failure

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1package org.junit.matchers;2import org.junit.Test;3import static org.junit.matchers.IsFailure.failure;4import static org.junit.matchers.IsFailure.failureMessage;5import static org.junit.matchers.IsFailure.hasFailure;6import static org.junit.matchers.IsFailure.hasFailureMessage;7import static org.junit.matchers.IsFailure.hasNoFailure;8import static org.junit.matchers.IsFailure.hasNoFailureMessage;9import static org.junit.Assert.assertThat;10import static org.junit.Assert.fail;11public class IsFailureTest {12 public void failureShouldBeFailure() {13 assertThat(failure(), hasFailure());14 }15 public void failureShouldHaveMessage() {16 assertThat(failure(), hasFailureMessage("expected: <true> but was: <false>"));17 }18 public void failureShouldNotBeNoFailure() {19 assertThat(failure(), hasNoFailureMessage());20 }21 public void noFailureShouldNotBeFailure() {22 assertThat(failureMessage("expected: <true> but was: <false>"), hasNoFailure());23 }24 public void noFailureShouldNotHaveMessage() {25 assertThat(failureMessage("expected: <true> but was: <false>"), hasNoFailureMessage());26 }27 public void noFailureShouldBeNoFailure() {28 assertThat(failureMessage("expected: <true> but was: <false>"), hasNoFailureMessage());29 }30 public void noFailureShouldNotHaveWrongMessage() {31 assertThat(failureMessage("expected: <true> but was: <false>"), hasNoFailureMessage("expected: <true> but was: <false>"));32 }33 public void noFailureShouldHaveMessage() {34 assertThat(failureMessage("expected: <true> but was: <false>"), hasFailureMessage("expected: <true> but was: <false>"));35 }36 public void shouldFailIfFailureDoesNotHaveMessage() {37 try {38 assertThat(failure(), hasFailureMessage("expected: <true> but was: <false>"));39 fail("should throw AssertionError");40 } catch (AssertionError e) {41 assertThat(e.getMessage(), hasFailureMessage("expected: <true> but was: <false>"));42 }43 }

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failure

Using AI Code Generation

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1package matchers;2import org.hamcrest.*;3import org.hamcrest.core.*;4import org.hamcrest.text.*;5import org.hamcrest.number.*;6import org.hamcrest.collection.*;7import org.hamcrest.object.*;8import org.hamcrest.beans.*;9import org.hamcrest.date.*;10import java.util.*;11import java.util.regex.*;12public class IsFailure {13 public static void main(String[] args) {14 Matcher<Integer> matcher = IsEqual.equalTo(100);15 Matcher<Integer> matcher1 = IsEqual.equalTo(100);16 Matcher<Integer> matcher2 = IsEqual.equalTo(200);17 Matcher<Integer> matcher3 = IsEqual.equalTo(200);18 assertThat(100, matcher);19 assertThat(100, matcher1);20 assertThat(200, matcher2);21 assertThat(200, matcher3);22 }23}24package matchers;25import org.hamcrest.*;26import org.hamcrest.core.*;27import org.hamcrest.text.*;28import org.hamcrest.number.*;29import org.hamcrest.collection.*;30import org.hamcrest.object.*;31import org.hamcrest.beans.*;32import org.hamcrest.date.*;33import java.util.*;34import java.util.regex.*;35public class IsFailure {36 public static void main(String[] args) {37 Matcher<Integer> matcher = IsEqual.equalTo(100);38 Matcher<Integer> matcher1 = IsEqual.equalTo(100);39 Matcher<Integer> matcher2 = IsEqual.equalTo(200);40 Matcher<Integer> matcher3 = IsEqual.equalTo(200);41 assertThat(100, matcher);42 assertThat(100, matcher1);43 assertThat(200, matcher2);44 assertThat(200, matcher3);45 }46}47package matchers;48import org.hamcrest.*;49import org.hamcrest.core.*;50import org.hamcrest.text.*;51import org.hamcrest.number.*;52import org.hamcrest.collection.*;53import org.hamcrest.object.*;54import org.hamcrest.beans.*;55import org.hamcrest.date.*;56import java.util.*;57import java.util.regex.*;58public class IsFailure {59 public static void main(String[] args) {60 Matcher<Integer> matcher = IsEqual.equalTo(100);61 Matcher<Integer> matcher1 = IsEqual.equalTo(100);62 Matcher<Integer> matcher2 = IsEqual.equalTo(200);63 Matcher<Integer> matcher3 = IsEqual.equalTo(200);64 assertThat(100, matcher);65 assertThat(100, matcher1);66 assertThat(200, matcher2);67 assertThat(200, matcher3);68 }69}

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failure

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1import org.junit.Test;2import static org.hamcrest.MatcherAssert.assertThat;3import static org.hamcrest.Matchers.*;4public class TestClass {5 public void test1() {6 assertThat(1, is(2));7 assertThat("abc", is("abc"));8 }9}10at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)11at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)12at TestClass.test1(TestClass.java:10)13import org.junit.Test;14import static org.hamcrest.MatcherAssert.assertThat;15import static org.hamcrest.Matchers.*;16import org.hamcrest.*;17public class TestClass {18 public void test1() {19 assertThat(1, is(2));20 assertThat("abc", is("abc"));21 }22}23at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)24at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)25at TestClass.test1(TestClass.java:10)26import org.junit.Test;27import static org.hamcrest.MatcherAssert.assertThat;28import static org.hamcrest.Matchers.*;29import org.hamcrest.*;30public class TestClass {31 public void test1() {32 assertThat(1, is(2));33 assertThat("abc", is("abc"));34 }35}

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failure

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1import org.junit.Test;2import static org.junit.Assert.*;3import org.junit.matchers.JUnitMatchers;4import org.hamcrest.Matcher;5import org.hamcrest.MatcherAssert;6import org.hamcrest.Matchers;7import org.hamcrest.core.Is;8import org.hamcrest.core.IsNot;9import org.hamcrest.core.IsEqual;10import org.hamcrest.core.IsSame;11import org.hamcrest.core.IsInstanceOf;12import org.hamcrest.core.IsNot;13import org.hamcrest.core.IsNull;14import org.hamcrest.core.IsCollectionContaining;15import org.hamcrest.core.StringContains;16import org.hamcrest.core.StringEndsWith;17import org.hamcrest.core.StringStartsWith;18import org.hamcrest.core.StringContainsInOrder;19import org.hamcrest.core.IsNot;20import org.hamcrest.core.Is;

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