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QueryThingsTest.java
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QueryThingsTest.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.signals.commands.query;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.assumingFields;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areEffectivelyImmutable;
import java.util.Arrays;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonFieldSelector;
import org.eclipse.ditto.thingsearch.model.signals.commands.ThingSearchCommand;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Tests {@link QueryThings}.
*/
public final class QueryThingsTest {
private static final String KNOWN_FIELDS = "thingId";
private static final String JSON_ALL_FIELDS_V2 = JsonFactory.newObjectBuilder()
.set(ThingSearchCommand.JsonFields.TYPE, QueryThings.TYPE)
.set(QueryThings.JSON_FILTER, TestConstants.KNOWN_FILTER_STR)
.set(QueryThings.JSON_OPTIONS, JsonFactory.newArrayBuilder()
.add(TestConstants.KNOWN_OPT_1)
.add(TestConstants.KNOWN_OPT_2)
.build())
.set(QueryThings.JSON_FIELDS, KNOWN_FIELDS)
.set(QueryThings.JSON_NAMESPACES, JsonFactory.newArrayBuilder()
.add(TestConstants.KNOWN_NAMESPACE)
.build())
.build()
.toString();
private static final String JSON_MINIMAL_V2 = JsonFactory.newObjectBuilder()
.set(ThingSearchCommand.JsonFields.TYPE, QueryThings.TYPE)
.build().toString();
@Test
public void assertImmutability() {
assertInstancesOf(QueryThings.class,
areEffectivelyImmutable(),
provided(JsonFieldSelector.class).isAlsoImmutable(),
assumingFields("options").areSafelyCopiedUnmodifiableCollectionsWithImmutableElements());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(QueryThings.class)
.withRedefinedSuperclass()
.verify();
}
@Test
public void toJsonWithAllFieldsSetV2() {
final QueryThings command = QueryThings.of(TestConstants.KNOWN_FILTER_STR,
Arrays.asList(TestConstants.KNOWN_OPT_1, TestConstants.KNOWN_OPT_2),
JsonFactory.newFieldSelector(KNOWN_FIELDS, TestConstants.JSON_PARSE_OPTIONS),
TestConstants.KNOWN_NAMESPACES_SET,
DittoHeaders.empty());
final String json = command.toJsonString();
assertThat(json).isEqualTo(JSON_ALL_FIELDS_V2);
}
@Test
public void toJsonWithOnlyRequiredFieldsSetV2() {
final QueryThings command = QueryThings.of(DittoHeaders.empty());
final String json = command.toJsonString();
assertThat(json).isEqualTo(JSON_MINIMAL_V2);
}
@Test
public void fromJsonWithAllFieldsSetV2() {
assertAllFieldsSet(QueryThings.fromJson(JSON_ALL_FIELDS_V2, DittoHeaders.empty()));
}
private static void assertAllFieldsSet(final QueryThings command) {
assertThat(command).isNotNull();
assertThat(command.getFilter()).contains(TestConstants.KNOWN_FILTER_STR);
assertThat(command.getOptions()).contains(
Arrays.asList(TestConstants.KNOWN_OPT_1, TestConstants.KNOWN_OPT_2));
assertThat(command.getFields()).contains(
JsonFactory.newFieldSelector(KNOWN_FIELDS, TestConstants.JSON_PARSE_OPTIONS));
}
@Test
public void fromJsonWithOnlyRequiredFieldsSetV2() {
assertMinimal(QueryThings.fromJson(JSON_MINIMAL_V2, DittoHeaders.empty()));
}
private static void assertMinimal(final QueryThings command) {
assertThat(command).isNotNull();
assertThat(command.getFilter()).isEmpty();
assertThat(command.getOptions()).isEmpty();
assertThat(command.getFields()).isEmpty();
}
}