001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.juneau.bct.assertions; 018 019import java.io.*; 020import java.util.function.*; 021 022import org.apache.juneau.commons.function.*; 023import org.apache.juneau.commons.utils.*; 024 025 026/** 027 * Used for fluent assertion calls against booleans. 028 * 029 * <h5 class='section'>Test Methods:</h5> 030 * <p> 031 * <ul class='javatree'> 032 * <li class='jc'>{@link FluentBooleanAssertion} 033 * <ul class='javatreec'> 034 * <li class='jm'>{@link FluentBooleanAssertion#isTrue() isTrue()} 035 * <li class='jm'>{@link FluentBooleanAssertion#isFalse() isFalse()} 036 * </ul> 037 * <li class='jc'>{@link FluentComparableAssertion} 038 * <ul class='javatreec'> 039 * <li class='jm'>{@link FluentComparableAssertion#isGt(Comparable) isGt(Comparable)} 040 * <li class='jm'>{@link FluentComparableAssertion#isGte(Comparable) isGte(Comparable)} 041 * <li class='jm'>{@link FluentComparableAssertion#isLt(Comparable) isLt(Comparable)} 042 * <li class='jm'>{@link FluentComparableAssertion#isLte(Comparable) isLte(Comparable)} 043 * <li class='jm'>{@link FluentComparableAssertion#isBetween(Comparable,Comparable) isBetween(Comparable,Comparable)} 044 * </ul> 045 * <li class='jc'>{@link FluentObjectAssertion} 046 * <ul class='javatreec'> 047 * <li class='jm'>{@link FluentObjectAssertion#isExists() isExists()} 048 * <li class='jm'>{@link FluentObjectAssertion#is(Object) is(Object)} 049 * <li class='jm'>{@link FluentObjectAssertion#is(Predicate) is(Predicate)} 050 * <li class='jm'>{@link FluentObjectAssertion#isNot(Object) isNot(Object)} 051 * <li class='jm'>{@link FluentObjectAssertion#isAny(Object...) isAny(Object...)} 052 * <li class='jm'>{@link FluentObjectAssertion#isNotAny(Object...) isNotAny(Object...)} 053 * <li class='jm'>{@link FluentObjectAssertion#isNull() isNull()} 054 * <li class='jm'>{@link FluentObjectAssertion#isNotNull() isNotNull()} 055 * <li class='jm'>{@link FluentObjectAssertion#isString(String) isString(String)} 056 * <li class='jm'>{@link FluentObjectAssertion#isSame(Object) isSame(Object)} 057 * <li class='jm'>{@link FluentObjectAssertion#isType(Class) isType(Class)} 058 * <li class='jm'>{@link FluentObjectAssertion#isExactType(Class) isExactType(Class)} 059 * </ul> 060 * </ul> 061 * 062 * <h5 class='section'>Transform Methods:</h5> 063 * <p> 064 * <ul class='javatree'> 065 * <li class='jc'>{@link FluentObjectAssertion} 066 * <ul class='javatreec'> 067 * <li class='jm'>{@link FluentObjectAssertion#asString() asString()} 068 * <li class='jm'>{@link FluentObjectAssertion#asString(ThrowingFunction) asString(ThrowingFunction)} 069 * <li class='jm'>{@link FluentObjectAssertion#asTransformed(UnaryOperator) asTransformed(UnaryOperator)} 070 * <li class='jm'>{@link FluentObjectAssertion#asAny() asAny()} 071 * </ul> 072 * </ul> 073 * 074 * <h5 class='section'>Configuration Methods:</h5> 075 * <p> 076 * <ul class='javatree'> 077 * <li class='jc'>{@link Assertion} 078 * <ul class='javatreec'> 079 * <li class='jm'>{@link Assertion#setMsg(String, Object...) setMsg(String, Object...)} 080 * <li class='jm'>{@link Assertion#setOut(PrintStream) setOut(PrintStream)} 081 * <li class='jm'>{@link Assertion#setSilent() setSilent()} 082 * <li class='jm'>{@link Assertion#setStdOut() setStdOut()} 083 * <li class='jm'>{@link Assertion#setThrowable(Class) setThrowable(Class)} 084 * </ul> 085 * </ul> 086 * 087 * <h5 class='section'>See Also:</h5><ul> 088 * <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/JuneauEcosystemOverview">Juneau Ecosystem</a> 089 * </ul> 090 * 091 * @param <R> The return type. 092 */ 093@SuppressWarnings({ 094 "java:S115" // Constants use UPPER_snakeCase convention (e.g., MSG_valueWasFalse) 095}) 096public class FluentBooleanAssertion<R> extends FluentComparableAssertion<Boolean,R> { 097 098 private static final Messages MESSAGES = Messages.of(FluentBooleanAssertion.class, "Messages"); 099 private static final String MSG_valueWasFalse = MESSAGES.getString("valueWasFalse"); 100 private static final String MSG_valueWasTrue = MESSAGES.getString("valueWasTrue"); 101 102 /** 103 * Chained constructor. 104 * 105 * <p> 106 * Used when transforming one assertion into another so that the assertion config can be used by the new assertion. 107 * 108 * @param creator 109 * The assertion that created this assertion. 110 * <br>Should be <jk>null</jk> if this is the top-level assertion. 111 * @param value 112 * The object being tested. 113 * <br>Can be <jk>null</jk> (assertions such as {@code isNull()} then operate on the absence of a value). 114 * @param returns 115 * The object to return after a test method is called. 116 * <br>If <jk>null</jk>, the test method returns this object allowing multiple test method calls to be 117 * used on the same assertion. 118 */ 119 public FluentBooleanAssertion(Assertion creator, Boolean value, R returns) { 120 super(creator, value, returns); 121 } 122 123 /** 124 * Constructor. 125 * 126 * @param value 127 * The object being tested. 128 * <br>Can be <jk>null</jk> (assertions such as {@code isNull()} then operate on the absence of a value). 129 * @param returns 130 * The object to return after a test method is called. 131 * <br>If <jk>null</jk>, the test method returns this object allowing multiple test method calls to be 132 * used on the same assertion. 133 */ 134 public FluentBooleanAssertion(Boolean value, R returns) { 135 this(null, value, returns); 136 } 137 138 /** 139 * Asserts that the value is false. 140 * 141 * @return The fluent return object. 142 * @throws AssertionError If assertion failed. 143 */ 144 public R isFalse() throws AssertionError { 145 if (ObjectUtils.isTrue(value())) 146 throw error(MSG_valueWasTrue); 147 return returns(); 148 } 149 150 /** 151 * Asserts that the value is true. 152 * 153 * @return The fluent return object. 154 * @throws AssertionError If assertion failed. 155 */ 156 public R isTrue() throws AssertionError { 157 if (ObjectUtils.isFalse(value())) 158 throw error(MSG_valueWasFalse); 159 return returns(); 160 } 161 162 @Override /* Overridden from Assertion */ 163 public FluentBooleanAssertion<R> setMsg(String msg, Object...args) { 164 super.setMsg(msg, args); 165 return this; 166 } 167 168 @Override /* Overridden from Assertion */ 169 public FluentBooleanAssertion<R> setOut(PrintStream value) { 170 super.setOut(value); 171 return this; 172 } 173 174 @Override /* Overridden from Assertion */ 175 public FluentBooleanAssertion<R> setSilent() { 176 super.setSilent(); 177 return this; 178 } 179 180 @Override /* Overridden from Assertion */ 181 public FluentBooleanAssertion<R> setStdOut() { 182 super.setStdOut(); 183 return this; 184 } 185 186 @Override /* Overridden from Assertion */ 187 public FluentBooleanAssertion<R> setThrowable(Class<? extends RuntimeException> value) { 188 super.setThrowable(value); 189 return this; 190 } 191}