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ImmutableSortOptionTest.java
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ImmutableSortOptionTest.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.thingsearch.model;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.ditto.json.JsonFactory;
import org.junit.Ignore;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link ImmutableSortOption}.
*/
public final class ImmutableSortOptionTest {
@Test
public void assertImmutability() {
assertInstancesOf(ImmutableSortOption.class,
areImmutable(),
provided(SortOptionEntry.class).isAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ImmutableSortOption.class)
.usingGetClass()
.verify();
}
@Test(expected = NullPointerException.class)
public void tryToCreateNewInstanceWithNullEntries() {
ImmutableSortOption.of(null);
}
@Test
public void stringRepresentationOfZeroEntriesIsExpected() {
final String expected = "";
final ImmutableSortOption underTest = ImmutableSortOption.of(Collections.emptyList());
assertThat(underTest.toString()).isEqualTo(expected);
}
@Test
public void stringRepresentationIsExpected() {
final SortOptionEntry thingIdSortOptionEntry =
ImmutableSortOptionEntry.asc(JsonFactory.newPointer("thingId"));
final SortOptionEntry manufacturerSortOptionEntry =
ImmutableSortOptionEntry.desc(JsonFactory.newPointer("/attributes/manufacturer"));
final ImmutableSortOption underTest =
ImmutableSortOption.of(Arrays.asList(thingIdSortOptionEntry, manufacturerSortOptionEntry));
final String expected = "sort(+/thingId,-/attributes/manufacturer)";
assertThat(underTest.toString()).isEqualTo(expected);
}
@Test
public void sortOptionWithoutEntriesIsEmpty() {
final ImmutableSortOption underTest = ImmutableSortOption.of(Collections.emptyList());
assertThat(underTest).isEmpty();
assertThat(underTest.getSize()).isZero();
}
@Test(expected = UnsupportedOperationException.class)
public void getEntriesReturnsAnUnmodifiableCollection() {
final SortOptionEntry sortOptionEntry = mock(SortOptionEntry.class);
final ImmutableSortOption underTest = ImmutableSortOption.of(Collections.singletonList(sortOptionEntry));
final Collection<SortOptionEntry> entries = underTest.getEntries();
entries.remove(sortOptionEntry);
}
}