/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

package software.amazon.flink.example.sink;

import org.apache.flink.connector.base.sink.writer.BufferedRequestState;
import org.apache.flink.connector.base.sink.writer.RequestEntryWrapper;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import software.amazon.awssdk.services.cloudwatch.model.Dimension;
import software.amazon.awssdk.services.cloudwatch.model.MetricDatum;

import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.Collections;

class CloudWatchMetricsStateSerializerTest {

    @Test
    void serializeAndDeserialize() throws Exception {
        MetricDatum expected = MetricDatum.builder()
                .metricName("metric-name")
                .timestamp(Instant.now().truncatedTo(ChronoUnit.MILLIS))
                .value(12345D)
                .dimensions(
                        Dimension.builder()
                                .name("dim-1")
                                .value("val-1")
                                .build(),
                        Dimension.builder()
                                .name("dim-2")
                                .value("val-2")
                                .build())
                .build();

        CloudWatchMetricsStateSerializer serializer = new CloudWatchMetricsStateSerializer();

        BufferedRequestState<MetricDatum> requestState = new BufferedRequestState<MetricDatum>(
                Collections.singletonList(new RequestEntryWrapper(expected, 10000)));

        MetricDatum actual = serializer
                .deserialize(1, serializer.serialize(requestState))
                .getBufferedRequestEntries()
                .get(0)
                .getRequestEntry();

        Assertions.assertEquals(expected, actual);
    }


}