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PurgeEntitiesReasonTest.java
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PurgeEntitiesReasonTest.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.base.api.common;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
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.List;
import org.eclipse.ditto.base.model.entity.id.AbstractEntityId;
import org.eclipse.ditto.base.model.entity.id.AbstractNamespacedEntityId;
import org.eclipse.ditto.base.model.entity.id.EntityId;
import org.eclipse.ditto.base.model.entity.type.EntityType;
import org.eclipse.ditto.base.model.json.FieldType;
import org.eclipse.ditto.json.JsonArray;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonMissingFieldException;
import org.eclipse.ditto.json.JsonObject;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link PurgeNamespaceReason}.
*/
public final class PurgeEntitiesReasonTest {
private static final EntityType THING_TYPE = EntityType.of("thing");
private static ShutdownReasonType purgeEntitiesType;
private static List<EntityId> knownEntityIds;
private static JsonObject knownJsonRepresentation;
private PurgeEntitiesReason underTest;
@BeforeClass
public static void initTestConstants() {
purgeEntitiesType = ShutdownReasonType.Known.PURGE_ENTITIES;
knownEntityIds = Arrays.asList(
EntityId.of(THING_TYPE, "x:y"),
EntityId.of(THING_TYPE, "a:b"),
EntityId.of(THING_TYPE, "f:oo"));
knownJsonRepresentation = JsonFactory.newObjectBuilder()
.set(ShutdownReason.JsonFields.TYPE, purgeEntitiesType.toString())
.set(ShutdownReason.JsonFields.DETAILS, JsonArray.of(knownEntityIds))
.build();
}
@Before
public void setUp() {
underTest = PurgeEntitiesReason.of(knownEntityIds);
}
@Test
public void assertImmutability() {
assertInstancesOf(PurgeNamespaceReason.class, areImmutable(), provided(ShutdownReason.class).isAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(PurgeNamespaceReason.class)
.usingGetClass()
.verify();
}
@Test
public void getTypeReturnsPurgeEntities() {
assertThat(underTest.getType()).isEqualTo(purgeEntitiesType);
}
@Test
public void tryToGetInstanceWithEmptyNamespace() {
assertThatIllegalArgumentException()
.isThrownBy(() -> PurgeNamespaceReason.of(""))
.withMessageContaining("namespace")
.withMessageContaining("not be empty")
.withNoCause();
}
@Test
public void toJsonWithoutSchemaVersionAndPredicateReturnsExpected() {
assertThat(underTest.toJson()).isEqualTo(knownJsonRepresentation);
}
@Test
public void toJsonWithHiddenFieldsOnlyReturnsEmptyJsonObject() {
assertThat(underTest.toJson(FieldType.HIDDEN)).isEmpty();
}
@Test
public void fromJson() {
assertThat(PurgeEntitiesReason.fromJson(knownJsonRepresentation)).isEqualTo(underTest);
}
@Test
public void fromJsonWithoutDetailsCausesException() {
final JsonObject shutDownNamespaceReasonWithoutDetails = knownJsonRepresentation.toBuilder()
.remove(ShutdownReason.JsonFields.DETAILS)
.build();
assertThatExceptionOfType(JsonMissingFieldException.class).isThrownBy(
() -> PurgeNamespaceReason.fromJson(shutDownNamespaceReasonWithoutDetails));
}
@Test
public void isRelevantForIsTrueIfWrappedInAbstractEntityId() {
assertThat(underTest.isRelevantFor(new AbstractEntityId(THING_TYPE, "f:oo") {})).isTrue();
}
@Test
public void isRelevantForIsTrueIfWrappedInAbstractNamespacedEntityId() {
assertThat(underTest.isRelevantFor(new AbstractNamespacedEntityId(THING_TYPE, "f", "oo", true) {})).isTrue();
}
@Test
public void isRelevantForIsTrueIfPlainString() {
assertThat(underTest.isRelevantFor("f:oo")).isTrue();
}
@Test
public void isRelevantForIsFalseIfNamespaceIsNotEqual() {
assertThat(underTest.isRelevantFor("b:ar")).isFalse();
}
@Test
public void toStringContainsExpected() {
assertThat(underTest.toString())
.contains(underTest.getClass().getSimpleName())
.contains(knownEntityIds.toString());
}
}