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ConnectionDeletedTest.java
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ConnectionDeletedTest.java
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/*
* Copyright (c) 2017 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
*
* Contributors:
* Bosch Software Innovations GmbH - initial contribution
*/
package org.eclipse.ditto.signals.events.connectivity;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.signals.events.base.Event;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link ConnectionDeleted}.
*/
public final class ConnectionDeletedTest {
private static final JsonObject KNOWN_JSON = JsonObject.newBuilder()
.set(Event.JsonFields.TYPE, ConnectionDeleted.TYPE)
.set(ConnectivityEvent.JsonFields.CONNECTION_ID, TestConstants.ID)
.build();
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ConnectionDeleted.class)
.usingGetClass()
.verify();
}
@Test
public void assertImmutability() {
assertInstancesOf(ConnectionDeleted.class, areImmutable());
}
@Test
public void createInstanceWithNullConnectionId() {
assertThatExceptionOfType(NullPointerException.class)
.isThrownBy(() -> ConnectionDeleted.of(null, DittoHeaders.empty()))
.withMessage("The %s must not be null!", "Connection ID")
.withNoCause();
}
@Test
public void fromJsonReturnsExpected() {
final ConnectionDeleted expected = ConnectionDeleted.of(TestConstants.ID, DittoHeaders.empty());
final ConnectionDeleted actual = ConnectionDeleted.fromJson(KNOWN_JSON, DittoHeaders.empty());
assertThat(actual).isEqualTo(expected);
}
@Test
public void toJsonReturnsExpected() {
final JsonObject actual = ConnectionDeleted.of(TestConstants.ID, DittoHeaders.empty()).toJson();
assertThat(actual).isEqualTo(KNOWN_JSON);
}
}