misc/env/src/test/java/org/onap/aaf/misc/env/util/JU_IndentPrintWriterTest.java

   1 /**\r
   2  * ============LICENSE_START====================================================\r
   3  * org.onap.aaf\r
   4  * ===========================================================================\r
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.\r
   6  * ===========================================================================\r
   7  * Licensed under the Apache License, Version 2.0 (the "License");\r
   8  * you may not use this file except in compliance with the License.\r
   9  * You may obtain a copy of the License at\r
  10  * \r
  11  *      http://www.apache.org/licenses/LICENSE-2.0\r
  12  * \r
  13  * Unless required by applicable law or agreed to in writing, software\r
  14  * distributed under the License is distributed on an "AS IS" BASIS,\r
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  * See the License for the specific language governing permissions and\r
  17  * limitations under the License.\r
  18  * ============LICENSE_END====================================================\r
  19  *\r
  20  */\r
  21 package org.onap.aaf.misc.env.util;\r
  22 \r
  23 import static org.junit.Assert.assertEquals;\r
  24 import static org.mockito.Mockito.mock;\r
  25 import static org.mockito.Mockito.times;\r
  26 import static org.mockito.Mockito.verify;\r
  27 \r
  28 import java.io.IOException;\r
  29 import java.io.OutputStream;\r
  30 import java.io.Writer;\r
  31 \r
  32 import org.junit.Before;\r
  33 import org.junit.Test;\r
  34 import org.mockito.Mock;\r
  35 \r
  36 public class JU_IndentPrintWriterTest {\r
  37 \r
  38     @Mock\r
  39     private OutputStream stream;\r
  40 \r
  41     @Mock\r
  42     private Writer writer;\r
  43 \r
  44     @Before\r
  45     public void setUp() throws Exception {\r
  46         stream = mock(OutputStream.class);\r
  47         writer = mock(Writer.class);\r
  48     }\r
  49 \r
  50     @Test\r
  51     public void testWriteInt() throws IOException {\r
  52         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
  53 \r
  54         indentWriter.write(123);\r
  55 \r
  56         verify(writer).write(123);\r
  57 \r
  58         assertEquals(indentWriter.getIndent(), 0);\r
  59     }\r
  60 \r
  61     @Test\r
  62     public void testWriteIntWithNewLineCharacter() throws IOException {\r
  63         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
  64 \r
  65         indentWriter.setIndent(12);\r
  66 \r
  67         indentWriter.println();\r
  68 \r
  69         indentWriter.write("123", 1, 2);\r
  70 \r
  71         verify(writer).write('\n');\r
  72         verify(writer).write('2');\r
  73         verify(writer).write('3');\r
  74         assertEquals(indentWriter.getIndent(), 12);\r
  75     }\r
  76 \r
  77     @Test\r
  78     public void testWriteString() throws IOException {\r
  79         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
  80 \r
  81         indentWriter.inc();\r
  82 \r
  83         indentWriter.write("123");\r
  84 \r
  85         verify(writer).write('1');\r
  86         verify(writer).write('2');\r
  87         verify(writer).write('3');\r
  88         assertEquals(indentWriter.getIndent(), 1);\r
  89     }\r
  90 \r
  91     @Test\r
  92     public void testSetIndent() throws IOException {\r
  93         IndentPrintWriter indentWriter = new IndentPrintWriter(stream);\r
  94 \r
  95         indentWriter.setIndent(12);\r
  96         indentWriter.dec();\r
  97 \r
  98         assertEquals(indentWriter.getIndent(), 11);\r
  99     }\r
 100 \r
 101     @Test\r
 102     public void testToCol() throws IOException {\r
 103         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
 104 \r
 105         indentWriter.toCol(5);\r
 106         char[] chars = { 'a', 'b', 'c' };\r
 107         indentWriter.write(chars, 1, 2);\r
 108 \r
 109         verify(writer, times(5)).write(' ');\r
 110         verify(writer).write('c');\r
 111         verify(writer).write('b');\r
 112     }\r
 113 }