services/services-engine/src/test/java/org/onap/policy/apex/service/engine/event/JsonTaggedEventConsumerTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.apex.service.engine.event;
  22
  23 import static org.junit.Assert.assertEquals;
  24 import static org.junit.Assert.assertFalse;
  25 import static org.junit.Assert.assertNull;
  26 import static org.junit.Assert.assertTrue;
  27
  28 import java.io.ByteArrayInputStream;
  29 import java.io.IOException;
  30 import java.io.InputStream;
  31 import org.junit.Test;
  32 import org.onap.policy.apex.service.engine.event.impl.filecarrierplugin.consumer.CharacterDelimitedTextBlockReader;
  33 import org.onap.policy.apex.service.engine.event.impl.filecarrierplugin.consumer.TextBlock;
  34
  35 /**
  36  * Test JSON Tagged Event Consumer.
  37  * @author Liam Fallon (liam.fallon@ericsson.com)
  38  */
  39 public class JsonTaggedEventConsumerTest {
  40
  41     @Test
  42     public void testGarbageText() throws IOException {
  43         final InputStream jsonInputStream = new ByteArrayInputStream("hello there".getBytes());
  44
  45         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  46         taggedReader.init(jsonInputStream);
  47
  48         final TextBlock textBlock = taggedReader.readTextBlock();
  49         assertNull(textBlock.getText());
  50         assertTrue(textBlock.isEndOfText());
  51     }
  52
  53     @Test
  54     public void testPartialEvent() throws IOException {
  55         final InputStream jsonInputStream = new ByteArrayInputStream("\"TestTimestamp\": 1469781869268}".getBytes());
  56
  57         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  58         taggedReader.init(jsonInputStream);
  59
  60         final TextBlock textBlock = taggedReader.readTextBlock();
  61         assertNull(textBlock.getText());
  62         assertTrue(textBlock.isEndOfText());
  63     }
  64
  65     @Test
  66     public void testFullEvent() throws IOException {
  67         final InputStream jsonInputStream = new ByteArrayInputStream("{TestTimestamp\": 1469781869268}".getBytes());
  68
  69         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  70         taggedReader.init(jsonInputStream);
  71
  72         TextBlock textBlock = taggedReader.readTextBlock();
  73         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
  74
  75         textBlock = taggedReader.readTextBlock();
  76         assertNull(textBlock.getText());
  77         assertTrue(textBlock.isEndOfText());
  78     }
  79
  80     @Test
  81     public void testFullEventGarbageBefore() throws IOException {
  82         final InputStream jsonInputStream =
  83                 new ByteArrayInputStream("Garbage{TestTimestamp\": 1469781869268}".getBytes());
  84
  85         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  86         taggedReader.init(jsonInputStream);
  87
  88         TextBlock textBlock = taggedReader.readTextBlock();
  89         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
  90         assertFalse(textBlock.isEndOfText());
  91
  92         textBlock = taggedReader.readTextBlock();
  93         assertNull(textBlock.getText());
  94         assertTrue(textBlock.isEndOfText());
  95     }
  96
  97     @Test
  98     public void testFullEventGarbageBeforeAfter() throws IOException {
  99         final InputStream jsonInputStream =
 100                 new ByteArrayInputStream("Garbage{TestTimestamp\": 1469781869268}Rubbish".getBytes());
 101
 102         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
 103         taggedReader.init(jsonInputStream);
 104
 105         TextBlock textBlock = taggedReader.readTextBlock();
 106         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
 107         assertFalse(textBlock.isEndOfText());
 108
 109         textBlock = taggedReader.readTextBlock();
 110         assertNull(textBlock.getText());
 111         assertTrue(textBlock.isEndOfText());
 112     }
 113
 114     @Test
 115     public void testFullEventGarbageAfter() throws IOException {
 116         final InputStream jsonInputStream =
 117                 new ByteArrayInputStream("{TestTimestamp\": 1469781869268}Rubbish".getBytes());
 118
 119         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
 120         taggedReader.init(jsonInputStream);
 121
 122         TextBlock textBlock = taggedReader.readTextBlock();
 123         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
 124         assertFalse(textBlock.isEndOfText());
 125
 126         textBlock = taggedReader.readTextBlock();
 127         assertNull(textBlock.getText());
 128         assertTrue(textBlock.isEndOfText());
 129     }
 130 }