gerrit.onap Code Review - sdc.git/blob

   1 /*
   2  * Copyright © 2016-2018 European Support Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.openecomp.sdc.logging.servlet;
  18
  19 import static junit.framework.TestCase.assertTrue;
  20 import static org.junit.Assert.assertFalse;
  21
  22 import java.util.Arrays;
  23 import java.util.Collections;
  24 import java.util.List;
  25 import java.util.function.Function;
  26 import java.util.function.Supplier;
  27 import org.junit.Test;
  28
  29 /**
  30  * Unit tests multiple-option headers.
  31  *
  32  * @author evitaliy
  33  * @since 31 Jul 2018
  34  */
  35 public class HttpHeaderTest {
  36
  37     private static final Supplier<? extends Throwable> VALUE_EXPECTED = () -> new AssertionError("Value expected");
  38     private static final Function<String, String> NULL_WHEN_NAME_NOT_B = k -> "B".equals(k) ? "Value" : null;
  39
  40     @Test(expected = NullPointerException.class)
  41     public void throwExceptionWhenInputArrayNull() {
  42         new HttpHeader((String[]) null);
  43     }
  44
  45     @Test(expected = NullPointerException.class)
  46     public void throwExceptionWhenInputListNull() {
  47         new HttpHeader((List<String>) null);
  48     }
  49
  50     @Test(expected = IllegalArgumentException.class)
  51     public void throwExceptionWhenInputArrayEmpty() {
  52         new HttpHeader(new String[0]);
  53     }
  54
  55     @Test(expected = IllegalArgumentException.class)
  56     public void throwExceptionWhenInputListEmpty() {
  57         new HttpHeader(Collections.emptyList());
  58     }
  59
  60     @Test
  61     public void valueNotReturnedWhenNameInArrayNotRequested() {
  62         HttpHeader header = new HttpHeader(new String[] {"A"});
  63         assertFalse(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
  64     }
  65
  66     @Test
  67     public void valueNotReturnedWhenNameInListNotRequested() {
  68         HttpHeader header = new HttpHeader(Collections.singletonList("A"));
  69         assertFalse(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
  70     }
  71
  72     @Test
  73     public void valueReturnedWhenSinglePossibleHeaderInArrayMatches() {
  74         HttpHeader header = new HttpHeader(new String[] {"B"});
  75         assertTrue(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
  76     }
  77
  78     @Test
  79     public void valueReturnedWhenSinglePossibleHeaderInListMatches() {
  80         HttpHeader header = new HttpHeader(Collections.singletonList("B"));
  81         assertTrue(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
  82     }
  83
  84     @Test
  85     public void valueReturnedWhenLastHeaderInArrayMatches() throws Throwable {
  86         HttpHeader header = new HttpHeader(new String[] {"A", "B"});
  87         header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
  88     }
  89
  90     @Test
  91     public void valueReturnedWhenLastHeaderInListMatches() throws Throwable {
  92         HttpHeader header = new HttpHeader(Arrays.asList("A", "B"));
  93         header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
  94     }
  95
  96     @Test
  97     public void valueReturnedWhenFirstHeaderInArrayMatches() throws Throwable {
  98         HttpHeader header = new HttpHeader(new String[] {"B", "A"});
  99         header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
 100     }
 101
 102     @Test
 103     public void valueReturnedWhenFirstHeaderInListMatches() throws Throwable {
 104         HttpHeader header = new HttpHeader(Arrays.asList("B", "A"));
 105         header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
 106     }
 107
 108     @Test
 109     public void valueReturnedWhenMiddleHeaderInArrayMatches() throws Throwable {
 110         HttpHeader header = new HttpHeader(new String[] {"A", "B", "C"});
 111         header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
 112     }
 113
 114     @Test
 115     public void valueReturnedWhenMiddleHeaderInListMatches() throws Throwable {
 116         HttpHeader header = new HttpHeader(Arrays.asList("A", "B", "C"));
 117         header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
 118     }
 119 }