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ImmutableMessagePathTest.java
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ImmutableMessagePathTest.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.protocol;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.eclipse.ditto.messages.model.MessageDirection.FROM;
import static org.eclipse.ditto.messages.model.MessageDirection.TO;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.assertj.core.api.OptionalAssert;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.messages.model.MessageDirection;
import org.junit.Ignore;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit tests for {@link ImmutableMessagePath}.
*/
public class ImmutableMessagePathTest {
@Test
@Ignore("https://github.com/MutabilityDetector/MutabilityDetector/issues/185")
public void assertImmutability() {
assertInstancesOf(ImmutableMessagePath.class, areImmutable(), provided(JsonPointer.class).isAlsoImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ImmutableMessagePath.class)
.usingGetClass()
.verify();
}
@Test
public void tryToCreateInstanceWithNullJsonPointer() {
assertThatExceptionOfType(NullPointerException.class)
.isThrownBy(() -> ImmutableMessagePath.of(null))
.withMessage("The %s must not be null!", "JSON pointer")
.withNoCause();
}
@Test
public void parseDirection() {
assertDirection("/outbox/message/ask").contains(FROM);
assertDirection("/attributes/hello").isEmpty();
assertDirection("/features/water-tank/properties/temperature").isEmpty();
assertDirection("/features/water-tank/inbox/messages/heatUp").contains(TO);
}
@Test
public void parseFeatureId() {
assertFeatureId("/outbox/message/ask").isEmpty();
assertFeatureId("/attributes/hello").isEmpty();
assertFeatureId("/features/water-tank/properties/temperature").contains("water-tank");
assertFeatureId("features/water-tank/inbox/messages/heatUp").contains("water-tank");
}
private static OptionalAssert<MessageDirection> assertDirection(final String jsonPointer) {
return assertThat(ImmutableMessagePath.of(JsonPointer.of(jsonPointer)).getDirection());
}
private static OptionalAssert<String> assertFeatureId(final String jsonPointer) {
return assertThat(ImmutableMessagePath.of(JsonPointer.of(jsonPointer)).getFeatureId());
}
}