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ImmutableSearchResultBuilderTest.java
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ImmutableSearchResultBuilderTest.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.eclipse.ditto.thingsearch.model.assertions.DittoSearchAssertions.assertThat;
import org.eclipse.ditto.json.JsonArray;
import org.eclipse.ditto.json.JsonFactory;
import org.junit.Before;
import org.junit.Test;
/**
* Unit test for {@link ImmutableSearchResultBuilder}.
*/
public final class ImmutableSearchResultBuilderTest {
private SearchResultBuilder underTest = null;
@Before
public void setUp() {
underTest = ImmutableSearchResultBuilder.newInstance();
}
@Test(expected = NullPointerException.class)
public void tryToCreateNewInstanceWithNullSearchResult() {
ImmutableSearchResultBuilder.of(null);
}
@Test
public void copySearchResultWithBuilder() {
final JsonArray items = JsonFactory.newArrayBuilder().add("foo", "bar", "baz").build();
final long offset = 25;
final SearchResult searchResult = SearchModelFactory.newSearchResult(items, offset);
final SearchResultBuilder underTest = ImmutableSearchResultBuilder.of(searchResult);
assertThat(underTest.build()).isEqualTo(searchResult);
}
@Test
public void copyAndModifyExistingSearchResultWithBuilder() {
final JsonArray items = JsonFactory.newArrayBuilder().add("foo", "bar", "baz").build();
final long offset = 25;
final SearchResult searchResult = SearchModelFactory.newSearchResult(items, offset);
final SearchResult newSearchResult = ImmutableSearchResultBuilder.of(searchResult)
.nextPageOffset(SearchResult.NO_NEXT_PAGE)
.build();
assertThat(newSearchResult)
.hasNoNextPage()
.containsExactlyElementsOf(searchResult.getItems());
}
@Test
public void createEmptySearchResult() {
final SearchResult searchResult = underTest.build();
assertThat(searchResult)
.hasNoNextPage()
.isEmpty();
}
@Test(expected = NullPointerException.class)
public void tryToAddNullItem() {
underTest.add(null);
}
@Test(expected = NullPointerException.class)
public void tryToRemoveNullItem() {
underTest.remove(null);
}
@Test
public void addThingItem() {
final SearchResult searchResult = underTest.add(TestConstants.SearchThing.THING.toJson())
.build();
assertThat(searchResult)
.hasNoNextPage()
.contains(TestConstants.SearchThing.THING.toJson());
}
@Test
public void addAndRemoveThingItem() {
final SearchResult searchResult = underTest.add(TestConstants.SearchThing.THING.toJson())
.remove(TestConstants.SearchThing.THING.toJson())
.build();
assertThat(searchResult)
.hasNoNextPage()
.isEmpty();
}
@Test
public void setNextPageOffset() {
final long expectedNextPageOffset = 20L;
final SearchResult searchResult = underTest.nextPageOffset(expectedNextPageOffset).build();
assertThat(searchResult)
.hasNextPageOffset(expectedNextPageOffset)
.isEmpty();
}
@Test(expected = NullPointerException.class)
public void tryToAddAllNull() {
ImmutableSearchResultBuilder.newInstance()
.addAll(null)
.build();
}
@Test
public void addItemsWorksAsExpected() {
final JsonArray items = JsonFactory.newArrayBuilder()
.add(1, 2, 3)
.build();
final SearchResult searchResult = ImmutableSearchResultBuilder.newInstance()
.addAll(items)
.build();
assertThat(searchResult)
.containsExactlyElementsOf(items)
.hasNoNextPage();
}
}