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
  32 import org.junit.Test;
  33 import org.onap.policy.apex.service.engine.event.impl.filecarrierplugin.consumer.CharacterDelimitedTextBlockReader;
  34 import org.onap.policy.apex.service.engine.event.impl.filecarrierplugin.consumer.TextBlock;
  35
  36 /**
  37  * Test JSON Tagged Event Consumer.
  38  * @author Liam Fallon (liam.fallon@ericsson.com)
  39  */
  40 public class JsonTaggedEventConsumerTest {
  41
  42     @Test
  43     public void testGarbageText() throws IOException {
  44         final InputStream jsonInputStream = new ByteArrayInputStream("hello there".getBytes());
  45
  46         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  47         taggedReader.init(jsonInputStream);
  48
  49         final TextBlock textBlock = taggedReader.readTextBlock();
  50         assertNull(textBlock.getText());
  51         assertTrue(textBlock.isEndOfText());
  52     }
  53
  54     @Test
  55     public void testPartialEvent() throws IOException {
  56         final InputStream jsonInputStream = new ByteArrayInputStream("\"TestTimestamp\": 1469781869268}".getBytes());
  57
  58         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  59         taggedReader.init(jsonInputStream);
  60
  61         final TextBlock textBlock = taggedReader.readTextBlock();
  62         assertNull(textBlock.getText());
  63         assertTrue(textBlock.isEndOfText());
  64     }
  65
  66     @Test
  67     public void testFullEvent() throws IOException {
  68         final InputStream jsonInputStream = new ByteArrayInputStream("{TestTimestamp\": 1469781869268}".getBytes());
  69
  70         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  71         taggedReader.init(jsonInputStream);
  72
  73         TextBlock textBlock = taggedReader.readTextBlock();
  74         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
  75
  76         textBlock = taggedReader.readTextBlock();
  77         assertNull(textBlock.getText());
  78         assertTrue(textBlock.isEndOfText());
  79     }
  80
  81     @Test
  82     public void testFullEventGarbageBefore() throws IOException {
  83         final InputStream jsonInputStream =
  84                 new ByteArrayInputStream("Garbage{TestTimestamp\": 1469781869268}".getBytes());
  85
  86         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
  87         taggedReader.init(jsonInputStream);
  88
  89         TextBlock textBlock = taggedReader.readTextBlock();
  90         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
  91         assertFalse(textBlock.isEndOfText());
  92
  93         textBlock = taggedReader.readTextBlock();
  94         assertNull(textBlock.getText());
  95         assertTrue(textBlock.isEndOfText());
  96     }
  97
  98     @Test
  99     public void testFullEventGarbageBeforeAfter() throws IOException {
 100         final InputStream jsonInputStream =
 101                 new ByteArrayInputStream("Garbage{TestTimestamp\": 1469781869268}Rubbish".getBytes());
 102
 103         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
 104         taggedReader.init(jsonInputStream);
 105
 106         TextBlock textBlock = taggedReader.readTextBlock();
 107         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
 108         assertFalse(textBlock.isEndOfText());
 109
 110         textBlock = taggedReader.readTextBlock();
 111         assertNull(textBlock.getText());
 112         assertTrue(textBlock.isEndOfText());
 113     }
 114
 115     @Test
 116     public void testFullEventGarbageAfter() throws IOException {
 117         final InputStream jsonInputStream =
 118                 new ByteArrayInputStream("{TestTimestamp\": 1469781869268}Rubbish".getBytes());
 119
 120         final CharacterDelimitedTextBlockReader taggedReader = new CharacterDelimitedTextBlockReader('{', '}');
 121         taggedReader.init(jsonInputStream);
 122
 123         TextBlock textBlock = taggedReader.readTextBlock();
 124         assertEquals("{TestTimestamp\": 1469781869268}", textBlock.getText());
 125         assertFalse(textBlock.isEndOfText());
 126
 127         textBlock = taggedReader.readTextBlock();
 128         assertNull(textBlock.getText());
 129         assertTrue(textBlock.isEndOfText());
 130     }
 131 }