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ImmutableAuthorizationContextTest.java
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ImmutableAuthorizationContextTest.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.model.auth;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatNullPointerException;
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.areImmutable;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.assertj.core.util.Lists;
import org.eclipse.ditto.json.JsonArray;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.base.model.json.FieldType;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link org.eclipse.ditto.base.model.auth.ImmutableAuthorizationContext}.
*/
public final class ImmutableAuthorizationContextTest {
private static final DittoAuthorizationContextType KNOWN_TYPE = DittoAuthorizationContextType.UNSPECIFIED;
private static final AuthorizationSubject SUB_1_1 = AuthorizationSubject.newInstance("sub_1_1");
private static final AuthorizationSubject SUB_1_2 = AuthorizationSubject.newInstance("sub_1_2");
private static final List<AuthorizationSubject> SUBJECTS_1 = Lists.newArrayList(SUB_1_1, SUB_1_2);
private static final List<AuthorizationSubject> SUBJECTS_2 =
Lists.newArrayList(AuthorizationSubject.newInstance("sub_2_1"),
AuthorizationSubject.newInstance("sub_2_2"));
private static JsonObject knownJsonRepresentation;
@BeforeClass
public static void setUpClass() {
knownJsonRepresentation = JsonObject.newBuilder()
.set(AuthorizationContext.JsonFields.TYPE, KNOWN_TYPE.toString())
.set(AuthorizationContext.JsonFields.AUTH_SUBJECTS, JsonArray.newBuilder()
.add(SUB_1_1.getId(), SUB_1_2.getId())
.build())
.build();
}
@Test
@Ignore("https://github.com/MutabilityDetector/MutabilityDetector/issues/185")
public void assertImmutability() {
assertInstancesOf(ImmutableAuthorizationContext.class,
areImmutable(),
provided(AuthorizationContextType.class).isAlsoImmutable(),
assumingFields("authorizationSubjects",
"authorizationSubjectIds").areSafelyCopiedUnmodifiableCollectionsWithImmutableElements(),
assumingFields("authorizationSubjectIds").areModifiedAsPartOfAnUnobservableCachingStrategy());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ImmutableAuthorizationContext.class)
.usingGetClass()
.withIgnoredFields("authorizationSubjectIds")
.verify();
}
@Test
public void getFirstAuthorizationSubjectReturnsExpectedIfContextIsNotEmpty() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
assertThat(underTest.getFirstAuthorizationSubject()).contains(SUBJECTS_1.get(0));
}
@Test
public void getFirstAuthorizationSubjectReturnsEmptyOptionalIfContextIsEmpty() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, Lists.emptyList());
assertThat(underTest.getFirstAuthorizationSubject()).isEmpty();
}
@Test
public void getSizeReturnsExpected() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
assertThat(underTest.getSize()).isEqualTo(SUBJECTS_1.size());
}
@Test
public void isEmptyReturnsFalseForNonEmptyContext() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
assertThat(underTest.isEmpty()).isFalse();
}
@Test
public void isEmptyReturnsTrueForEmptyContext() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, Lists.emptyList());
assertThat(underTest.isEmpty()).isTrue();
}
@Test
public void getAuthorizationSubjectsReturnsExpected() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_2);
assertThat(underTest.getAuthorizationSubjects()).containsExactlyInAnyOrderElementsOf(SUBJECTS_2);
}
@Test
public void addHead() {
final ImmutableAuthorizationContext initialContext = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
final AuthorizationContext newContext = initialContext.addHead(SUBJECTS_2);
final List<AuthorizationSubject> expectedAuthSubjects = Lists.newArrayList(SUBJECTS_2);
expectedAuthSubjects.addAll(SUBJECTS_1);
final ImmutableAuthorizationContext expectedContext =
ImmutableAuthorizationContext.of(KNOWN_TYPE, expectedAuthSubjects);
assertThat(newContext).isEqualTo(expectedContext);
}
@Test
public void addTail() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
final AuthorizationContext newContext = underTest.addTail(SUBJECTS_2);
final List<AuthorizationSubject> expectedAuthSubjects = new ArrayList<>();
expectedAuthSubjects.addAll(SUBJECTS_1);
expectedAuthSubjects.addAll(SUBJECTS_2);
final AuthorizationContext expectedContext = ImmutableAuthorizationContext.of(KNOWN_TYPE, expectedAuthSubjects);
assertThat(newContext).isEqualTo(expectedContext);
}
@Test
public void getAuthorizationSubjectIdsReturnsExpected() {
final List<AuthorizationSubject> authorizationSubjects = new ArrayList<>(SUBJECTS_1);
authorizationSubjects.addAll(SUBJECTS_2);
final List<String> expected = authorizationSubjects.stream()
.map(AuthorizationSubject::getId)
.collect(Collectors.toList());
final ImmutableAuthorizationContext underTest =
ImmutableAuthorizationContext.of(KNOWN_TYPE, authorizationSubjects);
final List<String> authorizationSubjectIds = underTest.getAuthorizationSubjectIds();
assertThat(authorizationSubjectIds).containsExactlyElementsOf(expected);
}
@Test
public void tryToCallIsAuthorizedWithNullGranted() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
assertThatNullPointerException()
.isThrownBy(() -> underTest.isAuthorized(null, SUBJECTS_2))
.withMessage("The granted must not be null!")
.withNoCause();
}
@Test
public void tryToCallIsAuthorizedWithNullRevoked() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
assertThatNullPointerException()
.isThrownBy(() -> underTest.isAuthorized(SUBJECTS_2, null))
.withMessage("The revoked must not be null!")
.withNoCause();
}
@Test
public void isNotAuthorizedForEmptyGrantedAndRevoked() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
final boolean authorized = underTest.isAuthorized(Lists.emptyList(), Lists.emptyList());
assertThat(authorized).isFalse();
}
@Test
public void isNotAuthorizedForEmptyGranted() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
final boolean authorized = underTest.isAuthorized(Lists.emptyList(), SUBJECTS_2);
assertThat(authorized).isFalse();
}
@Test
public void isAuthorizedIfSubjectIsGrantedAndRevokedIsEmpty() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUB_1_1);
final boolean authorized = underTest.isAuthorized(SUBJECTS_1, Lists.emptyList());
assertThat(authorized).isTrue();
}
@Test
public void isNotAuthorizedIfSubjectIsGrantedAndRevoked() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUB_1_1);
final boolean authorized = underTest.isAuthorized(SUBJECTS_1, Lists.newArrayList(SUB_1_1));
assertThat(authorized).isFalse();
}
@Test
public void isAuthorizedIfSubjectIsGrantedAndRevokedIsDisjoint() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUB_1_1);
final boolean authorized = underTest.isAuthorized(SUBJECTS_1, SUBJECTS_2);
assertThat(authorized).isTrue();
}
@Test
public void toJsonReturnsExpected() {
final ImmutableAuthorizationContext underTest = ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1);
assertThat(underTest.toJson(FieldType.regularOrSpecial())).isEqualTo(knownJsonRepresentation);
}
@Test
public void fromJsonReturnsExpected() {
final ImmutableAuthorizationContext authorizationContext =
ImmutableAuthorizationContext.fromJson(knownJsonRepresentation);
assertThat(authorizationContext).isEqualTo(ImmutableAuthorizationContext.of(KNOWN_TYPE, SUBJECTS_1));
}
}