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 static org.apache.juneau.commons.utils.IoUtils.*;
020import static org.apache.juneau.commons.utils.StringUtils.*;
021
022import java.io.*;
023import java.nio.charset.*;
024import java.util.function.*;
025
026import org.apache.juneau.commons.function.*;
027
028
029/**
030 * Used for fluent assertion calls against byte arrays.
031 *
032 * <h5 class='section'>Test Methods:</h5>
033 * <p>
034 * <ul class='javatree'>
035 *    <li class='jc'>{@link FluentPrimitiveArrayAssertion}
036 *    <ul class='javatreec'>
037 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isHas(Object...) isHas(Object...)}
038 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#is(Predicate) is(Predicate)}
039 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isAny(Predicate) isAny(Predicate)}
040 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isAll(Predicate) isAll(Predicate)}
041 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isEmpty() isEmpty()}
042 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isNotEmpty() isNotEmpty()}
043 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isSize(int) isSize(int)}
044 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isContains(Object) isContains(Object)}
045 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#isNotContains(Object) isNotContains(Object)}
046 *    </ul>
047 *    <li class='jc'>{@link FluentObjectAssertion}
048 *    <ul class='javatreec'>
049 *       <li class='jm'>{@link FluentObjectAssertion#isExists() isExists()}
050 *       <li class='jm'>{@link FluentObjectAssertion#is(Object) is(Object)}
051 *       <li class='jm'>{@link FluentObjectAssertion#is(Predicate) is(Predicate)}
052 *       <li class='jm'>{@link FluentObjectAssertion#isNot(Object) isNot(Object)}
053 *       <li class='jm'>{@link FluentObjectAssertion#isAny(Object...) isAny(Object...)}
054 *       <li class='jm'>{@link FluentObjectAssertion#isNotAny(Object...) isNotAny(Object...)}
055 *       <li class='jm'>{@link FluentObjectAssertion#isNull() isNull()}
056 *       <li class='jm'>{@link FluentObjectAssertion#isNotNull() isNotNull()}
057 *       <li class='jm'>{@link FluentObjectAssertion#isString(String) isString(String)}
058 *       <li class='jm'>{@link FluentObjectAssertion#isSame(Object) isSame(Object)}
059 *       <li class='jm'>{@link FluentObjectAssertion#isType(Class) isType(Class)}
060 *       <li class='jm'>{@link FluentObjectAssertion#isExactType(Class) isExactType(Class)}
061 *    </ul>
062 * </ul>
063 *
064 * <h5 class='section'>Transform Methods:</h5>
065 * <p>
066 * <ul class='javatree'>
067 *    <li class='jc'>{@link FluentByteArrayAssertion}
068 *    <ul class='javatreec'>
069 *       <li class='jm'>{@link FluentByteArrayAssertion#asString() asString()}
070 *       <li class='jm'>{@link FluentByteArrayAssertion#asString(Charset) asString(Charset)}
071 *       <li class='jm'>{@link FluentByteArrayAssertion#asBase64() asBase64()}
072 *       <li class='jm'>{@link FluentByteArrayAssertion#asHex() asHex()}
073 *       <li class='jm'>{@link FluentByteArrayAssertion#asSpacedHex() asSpacedHex()}
074 *    </ul>
075 *    <li class='jc'>{@link FluentPrimitiveArrayAssertion}
076 *    <ul class='javatreec'>
077 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#asItem(int) asItem(int)}
078 *       <li class='jm'>{@link FluentPrimitiveArrayAssertion#asLength() asLength()}
079 *    </ul>
080 *    <li class='jc'>{@link FluentObjectAssertion}
081 *    <ul class='javatreec'>
082 *       <li class='jm'>{@link FluentObjectAssertion#asString() asString()}
083 *       <li class='jm'>{@link FluentObjectAssertion#asString(ThrowingFunction) asString(ThrowingFunction)}
084 *       <li class='jm'>{@link FluentObjectAssertion#asTransformed(UnaryOperator) asTransformed(UnaryOperator)}
085 *       <li class='jm'>{@link FluentObjectAssertion#asAny() asAny()}
086 * </ul>
087 * </ul>
088 *
089 * <h5 class='section'>Configuration Methods:</h5>
090 * <p>
091 * <ul class='javatree'>
092 *    <li class='jc'>{@link Assertion}
093 *    <ul class='javatreec'>
094 *       <li class='jm'>{@link Assertion#setMsg(String, Object...) setMsg(String, Object...)}
095 *       <li class='jm'>{@link Assertion#setOut(PrintStream) setOut(PrintStream)}
096 *       <li class='jm'>{@link Assertion#setSilent() setSilent()}
097 *       <li class='jm'>{@link Assertion#setStdOut() setStdOut()}
098 *       <li class='jm'>{@link Assertion#setThrowable(Class) setThrowable(Class)}
099 *    </ul>
100 * </ul>
101 *
102 * <h5 class='section'>See Also:</h5><ul>
103 *    <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/JuneauEcosystemOverview">Juneau Ecosystem</a>
104 * </ul>
105 *
106 * @param <R> The return type.
107 */
108public class FluentByteArrayAssertion<R> extends FluentPrimitiveArrayAssertion<Byte,byte[],R> {
109
110   /**
111    * Chained constructor.
112    *
113    * <p>
114    * Used when transforming one assertion into another so that the assertion config can be used by the new assertion.
115    *
116    * @param creator
117    *    The assertion that created this assertion.
118    *    <br>Should be <jk>null</jk> if this is the top-level assertion.
119    * @param value
120    *    The object being tested.
121    *    <br>Can be <jk>null</jk> (assertions such as {@code isNull()} then operate on the absence of a value).
122    * @param returns
123    *    The object to return after a test method is called.
124    *    <br>If <jk>null</jk>, the test method returns this object allowing multiple test method calls to be
125    * used on the same assertion.
126    */
127   public FluentByteArrayAssertion(Assertion creator, byte[] value, R returns) {
128      super(creator, value, returns);
129   }
130
131   /**
132    * Constructor.
133    *
134    * @param value
135    *    The object being tested.
136    *    <br>Can be <jk>null</jk> (assertions such as {@code isNull()} then operate on the absence of a value).
137    * @param returns
138    *    The object to return after a test method is called.
139    *    <br>If <jk>null</jk>, the test method returns this object allowing multiple test method calls to be
140    * used on the same assertion.
141    */
142   public FluentByteArrayAssertion(byte[] value, R returns) {
143      this(null, value, returns);
144   }
145
146   /**
147    * Converts this byte array to a base-64 encoded string and returns it as a new assertion.
148    *
149    * <h5 class='section'>Example:</h5>
150    * <p class='bjava'>
151    *    <jc>// Validates that the specified byte array contains the string "foo".</jc>
152    *    <jsm>assertBytes</jsm>(<jv>myByteArray</jv>).asBase64().is(<js>"Zm9v"</js>);
153    * </p>
154    *
155    * @return A new fluent string assertion.
156    */
157   public FluentStringAssertion<R> asBase64() {
158      return new FluentStringAssertion<>(this, valueIsNull() ? null : base64Encode(value()), returns());
159   }
160
161   /**
162    * Converts this byte array to hexadecimal and returns it as a new assertion.
163    *
164    * <h5 class='section'>Example:</h5>
165    * <p class='bjava'>
166    *    <jc>// Validates that the specified byte array contains the string "foo".</jc>
167    *    <jsm>assertBytes</jsm>(<jv>myByteArray</jv>).asHex().is(<js>"666F6F"</js>);
168    * </p>
169    *
170    * @return A new string consisting of hexadecimal characters.
171    */
172   public FluentStringAssertion<R> asHex() {
173      return new FluentStringAssertion<>(this, valueIsNull() ? null : toHex(value()), returns());
174   }
175
176   /**
177    * Converts this byte array to spaced hexadecimal and returns it as a new assertion.
178    *
179    * <h5 class='section'>Example:</h5>
180    * <p class='bjava'>
181    *    <jc>// Validates that the specified byte array contains the string "foo".</jc>
182    *    <jsm>assertBytes</jsm>(<jv>myByteArray</jv>).asSpacedHex().is(<js>"66 6F 6F"</js>);
183    * </p>
184    *
185    * @return A new string consisting of hexadecimal characters.
186    */
187   public FluentStringAssertion<R> asSpacedHex() {
188      return new FluentStringAssertion<>(this, valueIsNull() ? null : toSpacedHex(value()), returns());
189   }
190
191   /**
192    * Converts this byte array to a UTF-8 encoded string and returns it as a new assertion.
193    *
194    * <h5 class='section'>Example:</h5>
195    * <p class='bjava'>
196    *    <jc>// Validates that the specified byte array contains the string "foobar".</jc>
197    *    <jsm>assertBytes</jsm>(<jv>myByteArray</jv>).asString().is(<js>"foobar"</js>);
198    * </p>
199    *
200    * @return A new fluent string assertion.
201    */
202   @Override
203   public FluentStringAssertion<R> asString() {
204      return asString(UTF8);
205   }
206
207   /**
208    * Converts this byte array to a string and returns it as a new assertion.
209    *
210    * <h5 class='section'>Example:</h5>
211    * <p class='bjava'>
212    *    <jc>// Validates that the specified byte array contains the string "foobar" encoded in ASCII.</jc>
213    *    <jsm>assertBytes</jsm>(<jv>myByteArray</jv>).asString(<js>"iso8859-1"</js>).is(<js>"foobar"</js>);
214    * </p>
215    *
216    * @param cs The charset to use to decode the string.
217    * @return A new fluent string assertion.
218    */
219   public FluentStringAssertion<R> asString(Charset cs) {
220      return new FluentStringAssertion<>(this, valueIsNull() ? null : new String(value(), cs), returns());
221   }
222
223   @Override /* Overridden from Assertion */
224   public FluentByteArrayAssertion<R> setMsg(String msg, Object...args) {
225      super.setMsg(msg, args);
226      return this;
227   }
228
229   @Override /* Overridden from Assertion */
230   public FluentByteArrayAssertion<R> setOut(PrintStream value) {
231      super.setOut(value);
232      return this;
233   }
234
235   @Override /* Overridden from Assertion */
236   public FluentByteArrayAssertion<R> setSilent() {
237      super.setSilent();
238      return this;
239   }
240
241   @Override /* Overridden from Assertion */
242   public FluentByteArrayAssertion<R> setStdOut() {
243      super.setStdOut();
244      return this;
245   }
246
247   @Override /* Overridden from Assertion */
248   public FluentByteArrayAssertion<R> setThrowable(Class<? extends RuntimeException> value) {
249      super.setThrowable(value);
250      return this;
251   }
252}