From ca46721f155da0e0fd4d772cdbe4d590cc2f6913 Mon Sep 17 00:00:00 2001
From: Yuuta Liang <yuutaw@student.cs.ubc.ca>
Date: Tue, 28 Nov 2023 11:33:45 -0800
Subject: Import Event / EventLog

Signed-off-by: Yuuta Liang <yuutaw@student.cs.ubc.ca>
---
 src/test/model/EventLogTest.java | 56 +++++++++++++++++++++++++++++++++++
 src/test/model/EventTest.java    | 64 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 120 insertions(+)
 create mode 100644 src/test/model/EventLogTest.java
 create mode 100644 src/test/model/EventTest.java

(limited to 'src/test/model')

diff --git a/src/test/model/EventLogTest.java b/src/test/model/EventLogTest.java
new file mode 100644
index 0000000..948aa4e
--- /dev/null
+++ b/src/test/model/EventLogTest.java
@@ -0,0 +1,56 @@
+package model;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * Unit tests for the EventLog class
+ */
+public class EventLogTest {
+	private Event e1;
+	private Event e2;
+	private Event e3;
+
+	@BeforeEach
+	public void loadEvents() {
+		e1 = new Event("A1");
+		e2 = new Event("A2");
+		e3 = new Event("A3");
+		EventLog el = EventLog.getInstance();
+		el.logEvent(e1);
+		el.logEvent(e2);
+		el.logEvent(e3);
+	}
+
+	@Test
+	public void testLogEvent() {
+		List<Event> l = new ArrayList<Event>();
+
+		EventLog el = EventLog.getInstance();
+		for (Event next : el) {
+			l.add(next);
+		}
+
+		assertTrue(l.contains(e1));
+		assertTrue(l.contains(e2));
+		assertTrue(l.contains(e3));
+	}
+
+	@Test
+	public void testClear() {
+		EventLog el = EventLog.getInstance();
+		el.clear();
+		Iterator<Event> itr = el.iterator();
+		assertTrue(itr.hasNext());   // After log is cleared, the clear log event is added
+		assertEquals("Event log cleared.", itr.next().getDescription());
+		assertFalse(itr.hasNext());
+	}
+}
diff --git a/src/test/model/EventTest.java b/src/test/model/EventTest.java
new file mode 100644
index 0000000..a74dcd4
--- /dev/null
+++ b/src/test/model/EventTest.java
@@ -0,0 +1,64 @@
+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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