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DeleteConnectionTest.java
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DeleteConnectionTest.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.connectivity.model.signals.commands.modify;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.signals.commands.Command;
import org.eclipse.ditto.connectivity.model.ConnectionId;
import org.eclipse.ditto.connectivity.model.signals.commands.ConnectivityCommand;
import org.eclipse.ditto.connectivity.model.signals.commands.TestConstants;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.json.assertions.DittoJsonAssertions;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Unit test for {@link DeleteConnection}.
*/
public final class DeleteConnectionTest {
private static final JsonObject KNOWN_JSON = JsonObject.newBuilder()
.set(Command.JsonFields.TYPE, DeleteConnection.TYPE)
.set(ConnectivityCommand.JsonFields.JSON_CONNECTION_ID, TestConstants.ID.toString())
.build();
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(DeleteConnection.class)
.usingGetClass()
.verify();
}
@Test
public void assertImmutability() {
assertInstancesOf(DeleteConnection.class,
areImmutable(),
provided(ConnectionId.class).isAlsoImmutable());
}
@Test
public void createInstanceWithNullConnectionId() {
assertThatExceptionOfType(NullPointerException.class)
.isThrownBy(() -> DeleteConnection.of(null, DittoHeaders.empty()))
.withMessage("The %s must not be null!", "Connection ID")
.withNoCause();
}
@Test
public void fromJsonReturnsExpected() {
final DeleteConnection expected =
DeleteConnection.of(TestConstants.ID, DittoHeaders.empty());
final DeleteConnection actual =
DeleteConnection.fromJson(KNOWN_JSON, DittoHeaders.empty());
assertThat(actual).isEqualTo(expected);
}
@Test
public void toJsonReturnsExpected() {
final JsonObject actual =
DeleteConnection.of(TestConstants.ID, DittoHeaders.empty()).toJson();
assertThat(actual).isEqualTo(KNOWN_JSON);
}
@Test
public void getResourcePathReturnsExpected() {
final JsonPointer expectedResourcePath = JsonFactory.emptyPointer();
final DeleteConnection underTest =
DeleteConnection.of(TestConstants.ID, DittoHeaders.empty());
DittoJsonAssertions.assertThat(underTest.getResourcePath()).isEqualTo(expectedResourcePath);
}
}