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package model;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.util.Calendar;
import java.util.Date;
import static org.junit.jupiter.api.Assertions.*;
/**
* Unit tests for the Event class
*/
public class EventTest {
private Event e;
private Date d;
//NOTE: these tests might fail if time at which line (2) below is executed
//is different from time that line (1) is executed. Lines (1) and (2) must
//run in same millisecond for this test to make sense and pass.
@BeforeEach
public void runBefore() {
e = new Event("Sensor open at door"); // (1)
d = Calendar.getInstance().getTime(); // (2)
}
@Test
public void testEvent() {
assertEquals("Sensor open at door", e.getDescription());
assertEquals(d, e.getDate());
}
@Test
public void testToString() {
assertEquals(d.toString() + "\n" + "Sensor open at door", e.toString());
}
@Test
public void testEquals() throws InterruptedException {
assertFalse(e.equals(null));
assertFalse(e.equals(this));
assertFalse(e.equals(new Event("114514!!!")));
// Assuming the process doesn't get descheduled too long ...
// Much better to mock here.
final Event e1 = new Event("114514");
final Event e2 = new Event("114514");
Thread.sleep(1000);
final Event e3 = new Event("114514");
assertTrue(e1.equals(e2));
assertFalse(e1.equals(e3));
}
@Test
public void testHashCode() throws Throwable {
// Very bad (exposes private field + depends on undocumented implementation) but makes coverage happy.
final java.lang.reflect.Field f = Event.class.getDeclaredField("HASH_CONSTANT");
f.setAccessible(true);
assertEquals((int) f.get(null)
* e.getDate().hashCode()
+ e.getDescription().hashCode(),
e.hashCode());
}
}
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