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PolicyIdReferencePlaceholderResolverTest.java
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PolicyIdReferencePlaceholderResolverTest.java
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/*
* Copyright (c) 2017-2018 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.services.concierge.enforcement.placeholders.references;
import static org.assertj.core.api.Assertions.assertThat;
import java.time.Duration;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.eclipse.ditto.json.JsonFieldSelector;
import org.eclipse.ditto.model.base.exceptions.DittoRuntimeException;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.things.Thing;
import org.eclipse.ditto.signals.commands.base.exceptions.GatewayInternalErrorException;
import org.eclipse.ditto.signals.commands.base.exceptions.GatewayPlaceholderReferenceUnknownFieldException;
import org.eclipse.ditto.signals.commands.things.ThingErrorResponse;
import org.eclipse.ditto.signals.commands.things.exceptions.ThingNotAccessibleException;
import org.eclipse.ditto.signals.commands.things.query.RetrieveThing;
import org.eclipse.ditto.signals.commands.things.query.RetrieveThingResponse;
import org.junit.Before;
import org.junit.Test;
import akka.actor.ActorSystem;
import akka.testkit.TestProbe;
/**
* Tests {@link PolicyIdReferencePlaceholderResolver}.
*/
public class PolicyIdReferencePlaceholderResolverTest {
private static final ActorSystem actorSystem = ActorSystem.create();
private TestProbe conciergeForwarderActorProbe;
private PolicyIdReferencePlaceholderResolver sut;
@Before
public void setup() {
conciergeForwarderActorProbe = TestProbe.apply(actorSystem);
sut = PolicyIdReferencePlaceholderResolver.of(conciergeForwarderActorProbe.testActor(),
Duration.ofSeconds(5));
}
@Test
public void resolvePolicyIdFromThingSendsRetrieveThing() {
final ReferencePlaceholder referencePlaceholder =
ReferencePlaceholder.fromCharSequence("{{ ref:things/namespace:myThing/policyId }}")
.orElseThrow(IllegalStateException::new);
sut.resolve(referencePlaceholder, DittoHeaders.empty());
final RetrieveThing retrieveThing = conciergeForwarderActorProbe.expectMsgClass(RetrieveThing.class);
assertThat(retrieveThing.getThingId()).isEqualTo("namespace:myThing");
assertThat(retrieveThing.getSelectedFields()).contains(JsonFieldSelector.newInstance("policyId"));
}
@Test
public void resolvePolicyIdFromThingReturnsPolicyId()
throws InterruptedException, ExecutionException, TimeoutException {
final ReferencePlaceholder referencePlaceholder =
ReferencePlaceholder.fromCharSequence("{{ ref:things/namespace:myThing/policyId }}")
.orElseThrow(IllegalStateException::new);
final CompletionStage<String> policyIdCS = sut.resolve(referencePlaceholder, DittoHeaders.empty());
final RetrieveThing retrieveThing = conciergeForwarderActorProbe.expectMsgClass(RetrieveThing.class);
assertThat(retrieveThing.getThingId()).isEqualTo("namespace:myThing");
assertThat(retrieveThing.getSelectedFields()).contains(JsonFieldSelector.newInstance("policyId"));
conciergeForwarderActorProbe.reply(RetrieveThingResponse.of("namespace:myThing",
Thing.newBuilder().setPolicyId("namespace:myPolicy").build(), DittoHeaders.empty()));
assertThat(policyIdCS.toCompletableFuture().get(1, TimeUnit.SECONDS)).isEqualTo("namespace:myPolicy");
}
@Test
public void resolvePolicyIdFromThingThrowsExceptionIfExpectedFieldDoesNotExist() {
final ReferencePlaceholder referencePlaceholder =
ReferencePlaceholder.fromCharSequence("{{ ref:things/namespace:myThing/policyId }}")
.orElseThrow(IllegalStateException::new);
final CompletionStage<String> policyIdCS = sut.resolve(referencePlaceholder, DittoHeaders.empty());
final RetrieveThing retrieveThing = conciergeForwarderActorProbe.expectMsgClass(RetrieveThing.class);
assertThat(retrieveThing.getThingId()).isEqualTo("namespace:myThing");
assertThat(retrieveThing.getSelectedFields()).contains(JsonFieldSelector.newInstance("policyId"));
conciergeForwarderActorProbe.reply(RetrieveThingResponse.of("namespace:myThing",
Thing.newBuilder().build(), DittoHeaders.empty()));
policyIdCS.toCompletableFuture().whenComplete((response, error) -> assertThat(error).isInstanceOf(
GatewayPlaceholderReferenceUnknownFieldException.class));
}
@Test
public void resolvePolicyIdFromThingForwardsExceptionOfThingErrorResponse() {
final ReferencePlaceholder referencePlaceholder =
ReferencePlaceholder.fromCharSequence("{{ ref:things/namespace:myThing/policyId }}")
.orElseThrow(IllegalStateException::new);
final CompletionStage<String> policyIdCS = sut.resolve(referencePlaceholder, DittoHeaders.empty());
final RetrieveThing retrieveThing = conciergeForwarderActorProbe.expectMsgClass(RetrieveThing.class);
assertThat(retrieveThing.getThingId()).isEqualTo("namespace:myThing");
assertThat(retrieveThing.getSelectedFields()).contains(JsonFieldSelector.newInstance("policyId"));
final DittoRuntimeException dre = ThingNotAccessibleException.newBuilder("namespace:myThing").build();
conciergeForwarderActorProbe.reply(ThingErrorResponse.of(dre));
policyIdCS.toCompletableFuture().whenComplete((response, error) -> assertThat(error).isSameAs(dre));
}
@Test
public void resolvePolicyIdFromThingThrowsExceptionIfResponseIsNotExpected() {
final ReferencePlaceholder referencePlaceholder =
ReferencePlaceholder.fromCharSequence("{{ ref:things/namespace:myThing/policyId }}")
.orElseThrow(IllegalStateException::new);
final CompletionStage<String> policyIdCS = sut.resolve(referencePlaceholder, DittoHeaders.empty());
final RetrieveThing retrieveThing = conciergeForwarderActorProbe.expectMsgClass(RetrieveThing.class);
assertThat(retrieveThing.getThingId()).isEqualTo("namespace:myThing");
assertThat(retrieveThing.getSelectedFields()).contains(JsonFieldSelector.newInstance("policyId"));
conciergeForwarderActorProbe.reply("someThingUnexpected");
policyIdCS.toCompletableFuture()
.whenComplete((response, error) -> assertThat(error).isInstanceOf(GatewayInternalErrorException.class));
}
}