tests for i2b2 visit processing

histream-i2b2/src/test/java/de/sekmi/histream/i2b2/TestI2b2Visit.java

+package de.sekmi.histream.i2b2;
+
+import java.text.ParseException;
+import java.time.temporal.ChronoUnit;
+
+import static org.junit.Assert.*;
+import org.junit.Test;
+
+import de.sekmi.histream.DateTimeAccuracy;
+
+public class TestI2b2Visit {
+
+	private DateTimeAccuracy createAccurateTimestamp(){
+		try {
+			return DateTimeAccuracy.parsePartialIso8601("20010203T04:05:06");
+		} catch (ParseException e) {
+			throw new AssertionError();
+		}
+	}
+	@Test
+	public void verifyAccurateTimestampParsing(){
+		assertEquals(ChronoUnit.SECONDS, createAccurateTimestamp().getAccuracy());
+	}
+	public void verifyVisitTimestampSerialisation() throws ParseException{
+		I2b2Visit v = new I2b2Visit(0, 0);
+		v.setStartTime(createAccurateTimestamp());
+		v.setEndTime(createAccurateTimestamp());
+		v.setActiveStatusCd(null);
+		// TODO check if the timestamps are both accurate to day
+		// TODO more tests
+	}
+}