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ImmutablePolicyTest.java
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ImmutablePolicyTest.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 java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.base.model.entity.metadata.Metadata;
import org.eclipse.ditto.base.model.json.FieldType;
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 ImmutablePolicy}.
*/
public final class ImmutablePolicyTest {
private static final Label END_USER_LABEL = Label.of("EndUser");
private static final JsonPointer END_USER_RESOURCE_1 = JsonPointer.of("foo/bar");
private static final JsonPointer END_USER_RESOURCE_2 = JsonPointer.of("/attributes");
private static final SubjectId END_USER_SUBJECT_ID_1 =
SubjectId.newInstance(SubjectIssuer.GOOGLE, "myself");
private static final SubjectType END_USER_SUBJECT_TYPE_1 = SubjectType.newInstance("endUserSubjectType1");
private static final SubjectId END_USER_SUBJECT_ID_2 =
SubjectId.newInstance(SubjectIssuer.GOOGLE, "others");
private static final SubjectType END_USER_SUBJECT_TYPE_2 = SubjectType.newInstance("endUserSubjectType2");
private static final EffectedPermissions END_USER_EFFECTED_PERMISSIONS_1 =
EffectedPermissions.newInstance(Permissions.newInstance(TestConstants.Policy.PERMISSION_READ),
Permissions.newInstance(TestConstants.Policy.PERMISSION_WRITE));
private static final Label SUPPORT_LABEL = Label.of("SupportGroup");
private static final PolicyId POLICY_ID = PolicyId.of("com.example", "myPolicy");
private static Policy createPolicy() {
final List<PolicyEntry> policyEntries = Arrays.asList(createPolicyEntry1(), createPolicyEntry2());
return ImmutablePolicy.of(POLICY_ID, PolicyLifecycle.ACTIVE, PolicyRevision.newInstance(1), null, null,
null, policyEntries);
}
private static PolicyEntry createPolicyEntry2() {
return ImmutablePolicyEntry.of(SUPPORT_LABEL,
Subjects.newInstance(Subject.newInstance(SubjectIssuer.GOOGLE, "someGroup")),
Resources.newInstance(
Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, JsonPointer.empty(),
EffectedPermissions.newInstance(
Permissions.newInstance(TestConstants.Policy.PERMISSION_READ,
TestConstants.Policy.PERMISSION_WRITE),
Permissions.none()))));
}
private static PolicyEntry createPolicyEntry1() {
return ImmutablePolicyEntry.of(END_USER_LABEL,
Subjects.newInstance(Subject.newInstance(END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1)),
Resources.newInstance(Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1,
END_USER_EFFECTED_PERMISSIONS_1)));
}
@Test
public void assertImmutability() {
assertInstancesOf(ImmutablePolicy.class,
areImmutable(),
provided(PolicyId.class, Label.class, PolicyRevision.class, Metadata.class, PolicyEntry.class)
.areAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ImmutablePolicy.class)
.usingGetClass()
.verify();
}
@Test
public void testToAndFromJson() {
final PolicyEntry policyEntry1 = createPolicyEntry1();
final PolicyEntry policyEntry2 = createPolicyEntry2();
final Policy policy = ImmutablePolicy.of(POLICY_ID, null, null, null, null, null, Arrays.asList(policyEntry1,
policyEntry2));
final JsonObject policyJson = policy.toJson();
final Policy policy1 = ImmutablePolicy.fromJson(policyJson);
DittoPolicyAssertions.assertThat(policy1).isEqualTo(policy);
}
@Test
public void testToAndFromJsonWithSpecialFields() {
final PolicyEntry policyEntry1 = createPolicyEntry1();
final PolicyEntry policyEntry2 = createPolicyEntry2();
final Policy policy = ImmutablePolicy.of(POLICY_ID, PolicyLifecycle.ACTIVE, PolicyRevision.newInstance(1),
null, null, null, Arrays.asList(policyEntry1, policyEntry2));
final JsonObject policyJson = policy.toJson(FieldType.regularOrSpecial());
final Policy policy1 = ImmutablePolicy.fromJson(policyJson);
DittoPolicyAssertions.assertThat(policy1).isEqualTo(policy);
}
@Test
public void removeEntryWorks() {
final Policy policy = createPolicy();
final Policy policyModified = policy.removeEntry(SUPPORT_LABEL);
DittoPolicyAssertions.assertThat(policy).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policy).hasLabel(SUPPORT_LABEL);
DittoPolicyAssertions.assertThat(policyModified).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policyModified).doesNotHaveLabel(SUPPORT_LABEL);
}
@Test
public void setSubjectsForWorks() {
final Policy policy = createPolicy();
final Subject NEW_SUBJECT_1 =
Subject.newInstance(SubjectIssuer.GOOGLE, "newSubject1");
final Subject NEW_SUBJECT_2 =
Subject.newInstance(SubjectIssuer.GOOGLE, "newSubject2");
final Subjects NEW_SUBJECTS = Subjects.newInstance(NEW_SUBJECT_1, NEW_SUBJECT_2);
final Policy policyModified = policy.setSubjectsFor(END_USER_LABEL, NEW_SUBJECTS);
DittoPolicyAssertions.assertThat(policy).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policy).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policy).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policy).doesNotHaveSubjectFor(END_USER_LABEL, NEW_SUBJECT_1.getId());
DittoPolicyAssertions.assertThat(policy).doesNotHaveSubjectFor(END_USER_LABEL, NEW_SUBJECT_2.getId());
DittoPolicyAssertions.assertThat(policy).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policyModified).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policyModified).doesNotHaveSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectFor(END_USER_LABEL, NEW_SUBJECT_1.getId());
DittoPolicyAssertions.assertThat(policyModified).hasSubjectFor(END_USER_LABEL, NEW_SUBJECT_2.getId());
DittoPolicyAssertions.assertThat(policyModified).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_1);
}
@Test
public void setSubjectForShouldCopyExisting() {
final Policy policy = createPolicy();
final Policy policyModified =
policy.setSubjectFor(END_USER_LABEL,
Subject.newInstance(END_USER_SUBJECT_ID_2, END_USER_SUBJECT_TYPE_2));
DittoPolicyAssertions.assertThat(policy).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policy).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policy).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policy).doesNotHaveSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_2);
DittoPolicyAssertions.assertThat(policy).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policyModified).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_2);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_2, END_USER_SUBJECT_TYPE_2);
DittoPolicyAssertions.assertThat(policyModified).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_1);
}
@Test
public void setSubjectForShouldAddNewEntry() {
final Label label = Label.of("setSubjectForShouldAddNewEntry");
final Policy policy = createPolicy();
final Policy policyModified =
policy.setSubjectFor(label, Subject.newInstance(END_USER_SUBJECT_ID_2, END_USER_SUBJECT_TYPE_2));
DittoPolicyAssertions.assertThat(policy).doesNotHaveLabel(label);
DittoPolicyAssertions.assertThat(policyModified).hasLabel(label);
}
@Test
public void removeSubjectForShouldCopyExisting() {
final Policy policy = createPolicy();
final Policy policyModified = policy.removeSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policy).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policy).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policy).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policy).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policyModified).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policyModified).doesNotHaveSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policyModified).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_1);
}
@Test
public void setResourcesForWorks() {
final Policy policy = createPolicy();
final EffectedPermissions DUMMY_PERMISSIONS = END_USER_EFFECTED_PERMISSIONS_1;
final Resource NEW_RESOURCE_1 = Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, "/attributes",
DUMMY_PERMISSIONS);
final Resource NEW_RESOURCE_2 = Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, "/features",
DUMMY_PERMISSIONS);
final Resources NEW_RESOURCES = Resources.newInstance(NEW_RESOURCE_1, NEW_RESOURCE_2);
final Policy policyModified = policy.setResourcesFor(END_USER_LABEL, NEW_RESOURCES);
DittoPolicyAssertions.assertThat(policy).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policy).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policy).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policy).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policy).doesNotHaveResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
NEW_RESOURCE_1.getPath());
DittoPolicyAssertions.assertThat(policy).doesNotHaveResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
NEW_RESOURCE_2.getPath());
DittoPolicyAssertions.assertThat(policyModified).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policyModified).doesNotHaveResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policyModified).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
NEW_RESOURCE_1.getPath());
DittoPolicyAssertions.assertThat(policyModified).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
NEW_RESOURCE_2.getPath());
}
@Test
public void setResourceForShouldCopyExisting() {
final Policy policy = createPolicy();
final Policy policyModified = policy.setResourceFor(END_USER_LABEL,
Resource.newInstance(TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_2,
EffectedPermissions.newInstance(
Permissions.newInstance(TestConstants.Policy.PERMISSION_READ),
Permissions.newInstance(TestConstants.Policy.PERMISSION_WRITE))));
DittoPolicyAssertions.assertThat(policy).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policy).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policy).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policy).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policy).doesNotHaveResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_2);
DittoPolicyAssertions.assertThat(policyModified).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policyModified).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policyModified).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_2);
}
@Test
public void removeResourceForShouldCopyExisting() {
final Policy policy = createPolicy();
final Policy policyModified =
policy.removeResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policy).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policy).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policy).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policy).hasResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1);
DittoPolicyAssertions.assertThat(policyModified).hasLabel(END_USER_LABEL);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectFor(END_USER_LABEL, END_USER_SUBJECT_ID_1);
DittoPolicyAssertions.assertThat(policyModified).hasSubjectTypeFor(END_USER_LABEL, END_USER_SUBJECT_ID_1, END_USER_SUBJECT_TYPE_1);
DittoPolicyAssertions.assertThat(policyModified).doesNotHaveResourceFor(END_USER_LABEL, TestConstants.Policy.RESOURCE_TYPE,
END_USER_RESOURCE_1);
}
@Test
public void getEffectedPermissionsForWorks() {
final Policy policy = createPolicy();
final Optional<EffectedPermissions> actualPermissions =
policy.getEffectedPermissionsFor(END_USER_LABEL, END_USER_SUBJECT_ID_1,
TestConstants.Policy.RESOURCE_TYPE, END_USER_RESOURCE_1.toString());
DittoPolicyAssertions.assertThat(actualPermissions).contains(END_USER_EFFECTED_PERMISSIONS_1);
}
@Test
public void getEffectedPermissionsForNonExistingShouldBeEmpty() {
final Policy policy = createPolicy();
final Optional<EffectedPermissions> actualPermissions =
policy.getEffectedPermissionsFor(Label.of("foo"),
SubjectId.newInstance(SubjectIssuer.GOOGLE, "bar"),
ResourceKey.newInstance("thing:/foo/bar"));
DittoPolicyAssertions.assertThat(actualPermissions).isEmpty();
}
@Test
public void newPolicyIsEmpty() {
final Policy policy = Policy.newBuilder(POLICY_ID).build();
DittoPolicyAssertions.assertThat(policy.getEntityId()).contains(POLICY_ID);
DittoPolicyAssertions.assertThat(policy.isEmpty()).isTrue();
DittoPolicyAssertions.assertThat(policy.getSize()).isEqualTo(0);
}
@Test
public void newPolicyWithoutID() {
final Policy policy = Policy.newBuilder().build();
DittoPolicyAssertions.assertThat(policy.getEntityId()).isEmpty();
DittoPolicyAssertions.assertThat(policy.isEmpty()).isTrue();
DittoPolicyAssertions.assertThat(policy.getSize()).isEqualTo(0);
}
@Test
public void removeAllEntriesPolicyIsEmpty() {
final Policy policy = createPolicy().removeEntry(END_USER_LABEL).removeEntry(SUPPORT_LABEL);
DittoPolicyAssertions.assertThat(policy.isEmpty()).isTrue();
DittoPolicyAssertions.assertThat(policy.getSize()).isEqualTo(0);
}
@Test
public void modifyingTheEntrySetDoesNotModifyThePolicy() {
final Policy policy = ImmutablePolicy.of(POLICY_ID, PolicyLifecycle.ACTIVE, PolicyRevision.newInstance(1),
null, null, null, Collections.singleton(createPolicyEntry1()));
final PolicyEntry policyEntry = createPolicyEntry2();
final Set<PolicyEntry> entriesSet = policy.getEntriesSet();
entriesSet.add(policyEntry);
DittoPolicyAssertions.assertThat(entriesSet).contains(policyEntry);
DittoPolicyAssertions.assertThat(policy.getEntriesSet()).doesNotContain(policyEntry);
}
}