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 \r
  22 package org.onap.aaf.misc.env.util;\r
  23 \r
  24 import static org.junit.Assert.assertEquals;\r
  25 import static org.mockito.Mockito.mock;\r
  26 import static org.mockito.Mockito.times;\r
  27 import static org.mockito.Mockito.verify;\r
  28 \r
  29 import java.io.IOException;\r
  30 import java.io.OutputStream;\r
  31 import java.io.Writer;\r
  32 \r
  33 import org.junit.Before;\r
  34 import org.junit.Test;\r
  35 import org.mockito.Mock;\r
  36 \r
  37 public class JU_IndentPrintWriterTest {\r
  38 \r
  39     @Mock\r
  40     private OutputStream stream;\r
  41 \r
  42     @Mock\r
  43     private Writer writer;\r
  44 \r
  45     @Before\r
  46     public void setUp() throws Exception {\r
  47         stream = mock(OutputStream.class);\r
  48         writer = mock(Writer.class);\r
  49     }\r
  50 \r
  51     @Test\r
  52     public void testWriteInt() throws IOException {\r
  53         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
  54 \r
  55         indentWriter.write(123);\r
  56 \r
  57         verify(writer).write(123);\r
  58 \r
  59         assertEquals(indentWriter.getIndent(), 0);\r
  60     }\r
  61 \r
  62     @Test\r
  63     public void testWriteIntWithNewLineCharacter() throws IOException {\r
  64         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
  65 \r
  66         indentWriter.setIndent(12);\r
  67 \r
  68         indentWriter.println();\r
  69 \r
  70         indentWriter.write("123", 1, 2);\r
  71 \r
  72         verify(writer).write('\n');\r
  73         verify(writer).write('2');\r
  74         verify(writer).write('3');\r
  75         assertEquals(indentWriter.getIndent(), 12);\r
  76     }\r
  77 \r
  78     @Test\r
  79     public void testWriteString() throws IOException {\r
  80         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
  81 \r
  82         indentWriter.inc();\r
  83 \r
  84         indentWriter.write("123");\r
  85 \r
  86         verify(writer).write('1');\r
  87         verify(writer).write('2');\r
  88         verify(writer).write('3');\r
  89         assertEquals(indentWriter.getIndent(), 1);\r
  90     }\r
  91 \r
  92     @Test\r
  93     public void testSetIndent() throws IOException {\r
  94         IndentPrintWriter indentWriter = new IndentPrintWriter(stream);\r
  95 \r
  96         indentWriter.setIndent(12);\r
  97         indentWriter.dec();\r
  98 \r
  99         assertEquals(indentWriter.getIndent(), 11);\r
 100     }\r
 101 \r
 102     @Test\r
 103     public void testToCol() throws IOException {\r
 104         IndentPrintWriter indentWriter = new IndentPrintWriter(writer);\r
 105 \r
 106         indentWriter.toCol(5);\r
 107         char[] chars = { 'a', 'b', 'c' };\r
 108         indentWriter.write(chars, 1, 2);\r
 109 \r
 110         verify(writer, times(5)).write(' ');\r
 111         verify(writer).write('c');\r
 112         verify(writer).write('b');\r
 113     }\r
 114 }\r