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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019 Nokia. All rights reserved.
* =========================================================
* Licensed under the Apache 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=====================================
*/
package org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.streams.gson.kafka;
import static org.assertj.core.api.Assertions.assertThat;
import com.google.gson.JsonObject;
import io.vavr.control.Either;
import java.io.IOException;
import org.junit.jupiter.api.Test;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.exceptions.StreamParserError;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.streams.StreamFromGsonParser;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.streams.StreamFromGsonParsers;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.streams.gson.DataStreamUtils;
import org.onap.dcaegen2.services.sdk.model.streams.ImmutableAafCredentials;
import org.onap.dcaegen2.services.sdk.model.streams.RawDataStream;
import org.onap.dcaegen2.services.sdk.model.streams.dmaap.KafkaSink;
/**
* @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
* @since March 2019
*/
class KafkaSinkParserTest {
private final StreamFromGsonParser<KafkaSink> cut = StreamFromGsonParsers.kafkaSinkParser();
@Test
void precondition_assureInstanceOf() {
assertThat(cut).isInstanceOf(KafkaSinkParser.class);
}
@Test
void shouldParseMinimalKafkaSinkDefinition() throws IOException {
// given
RawDataStream<JsonObject> input = DataStreamUtils.readSinkFromResource("/streams/kafka_sink_minimal.json");
// when
final KafkaSink result = cut.unsafeParse(input);
// then
assertThat(result.aafCredentials()).isNull();
assertThat(result.bootstrapServers()).isEqualTo("dmaap-mr-kafka-0:6060,dmaap-mr-kafka-1:6060");
assertThat(result.topicName()).isEqualTo("HVVES_PERF3GPP");
assertThat(result.clientId()).isNull();
assertThat(result.clientRole()).isNull();
}
@Test
void shouldParseFullKafkaSinkDefinition() throws IOException {
// given
RawDataStream<JsonObject> input = DataStreamUtils.readSinkFromResource("/streams/kafka_sink.json");
// when
final KafkaSink result = cut.unsafeParse(input);
// then
final ImmutableAafCredentials expectedCredentials = ImmutableAafCredentials.builder()
.username("the user")
.password("the passwd")
.build();
assertThat(result.aafCredentials()).isEqualTo(expectedCredentials);
assertThat(result.bootstrapServers()).isEqualTo("dmaap-mr-kafka-0:6060,dmaap-mr-kafka-1:6060");
assertThat(result.topicName()).isEqualTo("HVVES_PERF3GPP");
assertThat(result.clientId()).isEqualTo("1500462518108");
assertThat(result.clientRole()).isEqualTo("com.dcae.member");
}
@Test
void shouldReturnErrorWhenStructureIsWrong() throws IOException {
// given
RawDataStream<JsonObject> input = DataStreamUtils.readSinkFromResource("/streams/kafka_sink_missing_child.json");
// when
final Either<StreamParserError, KafkaSink> result = cut.parse(input);
// then
assertThat(result.isRight()).describedAs("should not be right").isFalse();
result.peekLeft(error -> {
assertThat(error.message()).contains("kafka_info");
});
}
@Test
void shouldReturnErrorWhenTypeIsWrong() throws IOException {
// given
RawDataStream<JsonObject> input = DataStreamUtils.readSinkFromResource("/streams/kafka_invalid_type.json");
// when
final Either<StreamParserError, KafkaSink> result = cut.parse(input);
// then
assertThat(result.isRight()).describedAs("should not be right").isFalse();
result.peekLeft(error -> {
assertThat(error.message()).containsIgnoringCase("invalid stream type");
assertThat(error.message()).containsIgnoringCase("kafka");
assertThat(error.message()).containsIgnoringCase("message_router");
});
}
@Test
void shouldReturnErrorWhenDirectionIsWrong() throws IOException {
// given
RawDataStream<JsonObject> input = DataStreamUtils.readSourceFromResource("/streams/kafka_sink.json");
// when
final Either<StreamParserError, KafkaSink> result = cut.parse(input);
// then
assertThat(result.isRight()).describedAs("should not be right").isFalse();
result.peekLeft(error -> {
assertThat(error.message()).containsIgnoringCase("invalid stream direction");
});
}
}
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