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// The contents of this file are subject to the Mozilla Public License
// Version 2.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License
// at https://www.mozilla.org/en-US/MPL/2.0/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
// the License for the specific language governing rights and
// limitations under the License.
//
// The Original Code is RabbitMQ.
//
// The Initial Developer of the Original Code is Pivotal Software, Inc.
// Copyright (c) 2020 VMware, Inc. or its affiliates. All rights reserved.
//
package com.rabbitmq.stream;
import static org.assertj.core.api.Assertions.assertThat;
import com.rabbitmq.stream.impl.Client;
import com.rabbitmq.stream.impl.Client.Response;
import com.rabbitmq.stream.impl.Client.StreamMetadata;
import java.util.Collections;
import java.util.UUID;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
import org.junit.jupiter.params.provider.ValueSource;
@ExtendWith(TestUtils.StreamTestInfrastructureExtension.class)
public class ClusterSizeTest {
TestUtils.ClientFactory cf;
@ParameterizedTest
@ValueSource(strings = {"-1", "0"})
void clusterSizeZeroShouldReturnError(String clusterSize) {
Client client = cf.get(new Client.ClientParameters().port(TestUtils.streamPortNode1()));
String s = UUID.randomUUID().toString();
Response response =
client.create(s, Collections.singletonMap("initial-cluster-size", clusterSize));
assertThat(response.isOk()).isFalse();
assertThat(response.getResponseCode()).isEqualTo(Constants.RESPONSE_CODE_PRECONDITION_FAILED);
}
@ParameterizedTest
@CsvSource({"1,1", "2,2", "3,3", "5,3"})
void clusterSizeShouldReflectOnMetadata(String requestedClusterSize, int expectedClusterSize) {
Client client = cf.get(new Client.ClientParameters().port(TestUtils.streamPortNode1()));
String s = UUID.randomUUID().toString();
try {
Response response =
client.create(s, Collections.singletonMap("initial-cluster-size", requestedClusterSize));
assertThat(response.isOk()).isTrue();
StreamMetadata metadata = client.metadata(s).get(s);
assertThat(metadata).isNotNull();
assertThat(metadata.getResponseCode()).isEqualTo(Constants.RESPONSE_CODE_OK);
int actualClusterSize = metadata.getLeader() == null ? 0 : 1 + metadata.getReplicas().size();
assertThat(actualClusterSize).isEqualTo(expectedClusterSize);
} finally {
client.delete(s);
}
}
}
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