source: PerfectFit/Dialog/src/test/java/tudelft/mentalhealth/perfectfit/updatefuncs/DateStringTest.java

package tudelft.mentalhealth.perfectfit.updatefuncs;

import static org.junit.Assert.assertEquals;

import java.io.IOException;

import org.junit.Test;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import tudelft.dialogmanager.parameters.DoubleValue;
import tudelft.dialogmanager.parameters.Parameters;
import tudelft.dialogmanager.updatefunctions.UpdateFunction;

public class DateStringTest {

        private static final String DATE = "11-11-2011";
        private final static double DATE_EPOCH = 1321005600d;
        private final String serialized = "{\"DateString\":[\"epoch\",\"datestring\"]}";
        private final ObjectMapper jackson = new ObjectMapper();

        private final DateString ds;

        public DateStringTest() throws IOException {
                jackson.registerSubtypes(Example.class, Time.class, CheckDeadline.class,
                                TimeDifference.class, StringLength.class, DateString.class);
                ds = new DateString("epoch", "datestring");
        }

        @Test
        public void testSerialize() throws JsonProcessingException {
                System.out.println(jackson.writeValueAsString(ds));
                assertEquals(serialized, jackson.writeValueAsString(ds));
        }

        @Test
        public void testDeserialize() throws JsonProcessingException {
                assertEquals(ds, jackson.readValue(serialized, UpdateFunction.class));
        }

        @Test
        public void callTestInPast() {

                Parameters params = new Parameters().with("epoch",
                                new DoubleValue(DATE_EPOCH));
                Parameters newparams = ds.call(params);
                assertEquals(DATE, newparams.get("datestring").getValue());
        }

}