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ModifyToCreatePolicyTransformerTest.java
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ModifyToCreatePolicyTransformerTest.java
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/*
* Copyright (c) 2022 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.service.enforcement.pre;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoInteractions;
import static org.mockito.Mockito.when;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.signals.Signal;
import org.eclipse.ditto.policies.model.Policy;
import org.eclipse.ditto.policies.model.PolicyId;
import org.eclipse.ditto.policies.model.signals.commands.modify.CreatePolicy;
import org.eclipse.ditto.policies.model.signals.commands.modify.ModifyPolicy;
import org.eclipse.ditto.policies.model.signals.commands.query.RetrievePolicy;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
@RunWith(MockitoJUnitRunner.class)
public final class ModifyToCreatePolicyTransformerTest {
@Mock
public PolicyExistenceChecker existenceChecker;
private ModifyToCreatePolicyTransformer underTest;
@Before
public void setup() {
underTest = new ModifyToCreatePolicyTransformer(existenceChecker);
}
@Test
public void modifyPolicyStaysModifyPolicyWhenAlreadyExisting() {
final var policyId = PolicyId.generateRandom();
final var modifyPolicy =
ModifyPolicy.of(policyId, Policy.newBuilder(policyId).build(), DittoHeaders.of(Map.of("foo", "bar")));
when(existenceChecker.checkExistence(modifyPolicy)).thenReturn(CompletableFuture.completedFuture(true));
final Signal<?> result = underTest.apply(modifyPolicy).toCompletableFuture().join();
assertThat(result).isSameAs(modifyPolicy);
verify(existenceChecker).checkExistence(modifyPolicy);
}
@Test
public void modifyPolicyBecomesCreatePolicyWhenNotYetExisting() {
final var policyId = PolicyId.generateRandom();
final var modifyPolicy =
ModifyPolicy.of(policyId, Policy.newBuilder(policyId).build(), DittoHeaders.of(Map.of("foo", "bar")));
when(existenceChecker.checkExistence(modifyPolicy)).thenReturn(CompletableFuture.completedFuture(false));
final Signal<?> result = underTest.apply(modifyPolicy).toCompletableFuture().join();
assertThat(result).isInstanceOf(CreatePolicy.class);
final CreatePolicy createPolicy = (CreatePolicy) result;
assertThat(createPolicy.getEntityId().toString()).isEqualTo(policyId.toString());
assertThat(createPolicy.getPolicy()).isSameAs(modifyPolicy.getPolicy());
assertThat(createPolicy.getDittoHeaders()).isSameAs(modifyPolicy.getDittoHeaders());
verify(existenceChecker).checkExistence(modifyPolicy);
}
@Test
public void otherCommandsThanModifyPolicyAreJustPassedThrough() {
final var policyId = PolicyId.generateRandom();
final var retrievePolicy = RetrievePolicy.of(policyId, DittoHeaders.of(Map.of("foo", "bar")));
final Signal<?> result = underTest.apply(retrievePolicy).toCompletableFuture().join();
assertThat(result).isSameAs(retrievePolicy);
verifyNoInteractions(existenceChecker);
}
}