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/*
* Copyright © 2016-2018 European Support Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openecomp.sdc.logging.servlet;
import static junit.framework.TestCase.assertTrue;
import static org.junit.Assert.assertFalse;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.function.Function;
import java.util.function.Supplier;
import org.junit.Test;
/**
* Unit tests multiple-option headers.
*
* @author evitaliy
* @since 31 Jul 2018
*/
public class HttpHeaderTest {
private static final Supplier<? extends Throwable> VALUE_EXPECTED = () -> new AssertionError("Value expected");
private static final Function<String, String> NULL_WHEN_NAME_NOT_B = k -> "B".equals(k) ? "Value" : null;
@Test(expected = NullPointerException.class)
public void throwExceptionWhenInputArrayNull() {
new HttpHeader((String[]) null);
}
@Test(expected = NullPointerException.class)
public void throwExceptionWhenInputListNull() {
new HttpHeader((List<String>) null);
}
@Test(expected = IllegalArgumentException.class)
public void throwExceptionWhenInputArrayEmpty() {
new HttpHeader();
}
@Test(expected = IllegalArgumentException.class)
public void throwExceptionWhenInputListEmpty() {
new HttpHeader(Collections.emptyList());
}
@Test
public void valueNotReturnedWhenNameInArrayNotRequested() {
HttpHeader header = new HttpHeader("A");
assertFalse(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
}
@Test
public void valueNotReturnedWhenNameInListNotRequested() {
HttpHeader header = new HttpHeader(Collections.singletonList("A"));
assertFalse(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
}
@Test
public void valueReturnedWhenSinglePossibleHeaderInArrayMatches() {
HttpHeader header = new HttpHeader("B");
assertTrue(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
}
@Test
public void valueReturnedWhenSinglePossibleHeaderInListMatches() {
HttpHeader header = new HttpHeader(Collections.singletonList("B"));
assertTrue(header.getAny(NULL_WHEN_NAME_NOT_B).isPresent());
}
@Test
public void valueReturnedWhenLastHeaderInArrayMatches() throws Throwable {
HttpHeader header = new HttpHeader("A", "B");
header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
}
@Test
public void valueReturnedWhenLastHeaderInListMatches() throws Throwable {
HttpHeader header = new HttpHeader(Arrays.asList("A", "B"));
header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
}
@Test
public void valueReturnedWhenFirstHeaderInArrayMatches() throws Throwable {
HttpHeader header = new HttpHeader("B", "A");
header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
}
@Test
public void valueReturnedWhenFirstHeaderInListMatches() throws Throwable {
HttpHeader header = new HttpHeader(Arrays.asList("B", "A"));
header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
}
@Test
public void valueReturnedWhenMiddleHeaderInArrayMatches() throws Throwable {
HttpHeader header = new HttpHeader("A", "B", "C");
header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
}
@Test
public void valueReturnedWhenMiddleHeaderInListMatches() throws Throwable {
HttpHeader header = new HttpHeader(Arrays.asList("A", "B", "C"));
header.getAny(NULL_WHEN_NAME_NOT_B).orElseThrow(VALUE_EXPECTED);
}
}
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