KrakenTickerJSONTest.java

package org.knowm.xchange.kraken.dto.marketdata;

import static org.fest.assertions.api.Assertions.assertThat;

import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.util.Map;

import org.junit.Test;
import org.knowm.xchange.kraken.dto.marketdata.results.KrakenTickerResult;

import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * Test KrakenTicker JSON parsing
 * 
 * @author Raphael Voellmy
 */
public class KrakenTickerJSONTest {

  @Test
  public void testUnmarshal() throws IOException {

    // Read in the JSON from the example resources
    InputStream is = KrakenTickerJSONTest.class.getResourceAsStream("/marketdata/example-ticker-data.json");

    // Use Jackson to parse it
    ObjectMapper mapper = new ObjectMapper();
    KrakenTickerResult krakenTickerResult = mapper.readValue(is, KrakenTickerResult.class);
    Map<String, KrakenTicker> krakenTickers = krakenTickerResult.getResult();

    // Verify that the example data was unmarshalled correctly
    assertThat(krakenTickers.get("ZEURXLTC")).isEqualTo(null);
    KrakenTicker krakenTicker = krakenTickers.get("XXBTZEUR");
    assertThat(krakenTicker.getAsk().getPrice()).isEqualTo(new BigDecimal("562.26651"));
    assertThat(krakenTicker.getAsk().getVolume()).isEqualTo(new BigDecimal("1"));
    assertThat(krakenTicker.getBid().getPrice()).isEqualTo(new BigDecimal("560.46600"));
    assertThat(krakenTicker.getBid().getVolume()).isEqualTo(new BigDecimal("1"));
    assertThat(krakenTicker.getClose().getPrice()).isEqualTo(new BigDecimal("560.87711"));
    assertThat(krakenTicker.getClose().getVolume()).isEqualTo(new BigDecimal("0.01447739"));
    assertThat(krakenTicker.getTodaysVolume()).isEqualTo(new BigDecimal("84.23095922"));
    assertThat(krakenTicker.get24HourVolume()).isEqualTo(new BigDecimal("600.91850325"));
    assertThat(krakenTicker.getTodaysVolumeAvg()).isEqualTo(new BigDecimal("562.19735"));
    assertThat(krakenTicker.get24HourVolumeAvg()).isEqualTo(new BigDecimal("576.77284"));
    assertThat(krakenTicker.getTodaysNumTrades()).isEqualTo(new BigDecimal("305"));
    assertThat(krakenTicker.get24HourNumTrades()).isEqualTo(new BigDecimal("2783"));
    assertThat(krakenTicker.getTodaysLow()).isEqualTo(new BigDecimal("560.00000"));
    assertThat(krakenTicker.get24HourLow()).isEqualTo(new BigDecimal("560.00000"));
    assertThat(krakenTicker.getTodaysHigh()).isEqualTo(new BigDecimal("570.00000"));
    assertThat(krakenTicker.get24HourHigh()).isEqualTo(new BigDecimal("591.11000"));
    assertThat(krakenTicker.getOpen()).isEqualTo(new BigDecimal("568.98910"));
  }
}