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ModifyResourceTest.java
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ModifyResourceTest.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.policies.model.signals.commands.modify;
import static org.eclipse.ditto.json.assertions.DittoJsonAssertions.assertThat;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.eclipse.ditto.base.model.json.FieldType;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.policies.model.Label;
import org.eclipse.ditto.policies.model.PolicyId;
import org.eclipse.ditto.policies.model.Resource;
import org.eclipse.ditto.policies.model.signals.commands.PolicyCommand;
import org.eclipse.ditto.policies.model.signals.commands.TestConstants;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link org.eclipse.ditto.policies.model.signals.commands.modify.ModifyResource}.
*/
public final class ModifyResourceTest {
private static final JsonObject KNOWN_JSON = JsonFactory.newObjectBuilder()
.set(PolicyCommand.JsonFields.TYPE, ModifyResource.TYPE)
.set(PolicyCommand.JsonFields.JSON_POLICY_ID, TestConstants.Policy.POLICY_ID.toString())
.set(ModifyResource.JSON_LABEL, TestConstants.Policy.LABEL.toString())
.set(ModifyResource.JSON_RESOURCE_KEY, TestConstants.Policy.RESOURCE.getFullQualifiedPath())
.set(ModifyResource.JSON_RESOURCE, TestConstants.Policy.RESOURCE.toJson(FieldType.regularOrSpecial()))
.build();
@Test
public void assertImmutability() {
assertInstancesOf(ModifyResource.class,
areImmutable(),
provided(Label.class, Resource.class, JsonObject.class, PolicyId.class).areAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ModifyResource.class)
.withRedefinedSuperclass()
.verify();
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullPolicyId() {
ModifyResource.of(null, TestConstants.Policy.LABEL, TestConstants.Policy.RESOURCE,
TestConstants.EMPTY_DITTO_HEADERS);
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullLabel() {
ModifyResource.of(TestConstants.Policy.POLICY_ID, null, TestConstants.Policy.RESOURCE,
TestConstants.EMPTY_DITTO_HEADERS);
}
@Test(expected = NullPointerException.class)
public void tryToCreateInstanceWithNullResource() {
ModifyResource.of(TestConstants.Policy.POLICY_ID, TestConstants.Policy.LABEL, null,
TestConstants.EMPTY_DITTO_HEADERS);
}
@Test
public void toJsonReturnsExpected() {
final ModifyResource underTest = ModifyResource.of(TestConstants.Policy.POLICY_ID, TestConstants.Policy.LABEL,
TestConstants.Policy.RESOURCE, TestConstants.EMPTY_DITTO_HEADERS);
final JsonObject actualJson = underTest.toJson(FieldType.regularOrSpecial());
assertThat(actualJson).isEqualTo(KNOWN_JSON);
}
@Test
public void createInstanceFromValidJson() {
final ModifyResource underTest =
ModifyResource.fromJson(KNOWN_JSON.toString(), TestConstants.EMPTY_DITTO_HEADERS);
assertThat(underTest).isNotNull();
assertThat(underTest.getResource()).isEqualTo(TestConstants.Policy.RESOURCE);
}
}