/*
 * Copyright 2014 NAVER Corp.
 *
 * 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.
 */

package com.navercorp.pinpoint.web.applicationmap.rawdata;


import com.fasterxml.jackson.databind.ObjectMapper;
import com.navercorp.pinpoint.common.trace.HistogramSchema;
import com.navercorp.pinpoint.common.trace.ServiceType;
import com.navercorp.pinpoint.web.applicationmap.histogram.Histogram;

import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;

/**
 * @author emeroad
 */
public class HistogramTest {

    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    private final ObjectMapper objectMapper = new ObjectMapper();


    @Test
    public void testDeepCopy() throws Exception {
        Histogram original = new Histogram(ServiceType.STAND_ALONE);
        original.addCallCount((short) 1000, 100);


        Histogram copy = new Histogram(ServiceType.STAND_ALONE);
        Assert.assertEquals(copy.getFastCount(), 0);
        copy.add(original);
        Assert.assertEquals(original.getFastCount(), copy.getFastCount());

        copy.addCallCount((short) 1000, 100);
        Assert.assertEquals(original.getFastCount(), 100);
        Assert.assertEquals(copy.getFastCount(), 200);

    }

    @Test
    public void testJson() throws Exception {
        HistogramSchema schema = ServiceType.STAND_ALONE.getHistogramSchema();
        Histogram original = new Histogram(ServiceType.STAND_ALONE);
        original.addCallCount(schema.getFastSlot().getSlotTime(), 100);

        String json = objectMapper.writeValueAsString(original);
        HashMap hashMap = objectMapper.readValue(json, HashMap.class);

        Assert.assertEquals(hashMap.get(schema.getFastSlot().getSlotName()), 100);
        Assert.assertEquals(hashMap.get(schema.getErrorSlot().getSlotName()), 0);
    }
}