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ImmutablePolicyEntryTest.java
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ImmutablePolicyEntryTest.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;
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.json.JsonFactory;
import org.eclipse.ditto.json.JsonFieldDefinition;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.base.model.exceptions.DittoJsonException;
import org.eclipse.ditto.base.model.json.JsonSchemaVersion;
import org.eclipse.ditto.policies.model.assertions.DittoPolicyAssertions;
import org.junit.Ignore;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link ImmutablePolicyEntry}.
*/
public final class ImmutablePolicyEntryTest {
private static final Label LABEL_END_USER = Label.of("EndUser");
@Test
public void assertImmutability() {
assertInstancesOf(ImmutablePolicyEntry.class,
areImmutable(),
provided(Label.class, Subjects.class, Resources.class, JsonFieldDefinition.class).areAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ImmutablePolicyEntry.class)
.usingGetClass()
.verify();
}
@Test
public void testToAndFromJson() {
final PolicyEntry policyEntry = ImmutablePolicyEntry.of(LABEL_END_USER,
Subjects.newInstance(TestConstants.Policy.SUBJECT),
Resources.newInstance(
Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, TestConstants.Policy.RESOURCE_PATH, EffectedPermissions.newInstance(
Permissions.newInstance(TestConstants.Policy.PERMISSION_READ),
Permissions.newInstance(TestConstants.Policy.PERMISSION_WRITE)))));
final JsonObject policyEntryJson = policyEntry.toJson();
final PolicyEntry policyEntry1 = ImmutablePolicyEntry.fromJson(policyEntry.getLabel(), policyEntryJson);
DittoPolicyAssertions.assertThat(policyEntry).isEqualTo(policyEntry1);
}
@Test(expected = NullPointerException.class)
public void testFromJsonWithNullLabel() {
ImmutablePolicyEntry.fromJson(null, JsonFactory.newObjectBuilder().build());
}
@Test(expected = DittoJsonException.class)
public void testFromJsonEmptyWithLabel() {
final JsonObject jsonObject = JsonFactory.newObjectBuilder().build();
ImmutablePolicyEntry.fromJson(LABEL_END_USER, jsonObject);
}
@Test(expected = DittoJsonException.class)
public void testFromJsonOnlySchemaVersion() {
final JsonObject jsonObject = JsonFactory.newObjectBuilder()
.set(JsonSchemaVersion.getJsonKey(), JsonSchemaVersion.V_2.toInt())
.build();
ImmutablePolicyEntry.fromJson("EndUser", jsonObject);
}
@Test
public void testFromJsonWithTwoEntriesGivesOnlyFirst() {
final JsonObject jsonObject = JsonFactory.newObjectBuilder()
.set(LABEL_END_USER, JsonFactory.newObjectBuilder()
.set(PolicyEntry.JsonFields.SUBJECTS,
Subjects.newInstance(TestConstants.Policy.SUBJECT).toJson())
.set(PolicyEntry.JsonFields.RESOURCES,
Resources.newInstance(Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, TestConstants.Policy.RESOURCE_PATH,
EffectedPermissions.newInstance(
Permissions.newInstance(TestConstants.Policy.PERMISSION_READ),
Permissions.newInstance(TestConstants.Policy.PERMISSION_WRITE))))
.toJson())
.build())
.set("Support", JsonFactory.newObjectBuilder()
.set(PolicyEntry.JsonFields.SUBJECTS,
Subjects.newInstance(TestConstants.Policy.SUBJECT).toJson())
.set(PolicyEntry.JsonFields.RESOURCES,
Resources.newInstance(Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, TestConstants.Policy.RESOURCE_PATH,
EffectedPermissions.newInstance(
Permissions.newInstance(TestConstants.Policy.PERMISSION_READ),
Permissions.newInstance(TestConstants.Policy.PERMISSION_WRITE))))
.toJson())
.build())
.build();
final PolicyEntry policyEntry = ImmutablePolicyEntry.fromJson(LABEL_END_USER,
jsonObject.getValueOrThrow(LABEL_END_USER.getJsonFieldDefinition()));
DittoPolicyAssertions.assertThat(policyEntry.getLabel()).isEqualTo(LABEL_END_USER);
}
}