Add JUnit tests (Complete A-JUnit)

Author: yanlingkuek

src/main/java/duke/task/EventTask.java

@@ -26,7 +26,7 @@ public EventTask(String description, String eventDate) {
      *
      * @return Date of event.
      */
-    public LocalDate getEventDateDate() throws DateTimeParseException {
+    public LocalDate getEventDateDate() {
         String[] eventDateArr = this.eventDate.split(" ");
         LocalDate eventDateDate = LocalDate.parse(eventDateArr[0]);
         return eventDateDate;
@@ -37,7 +37,7 @@ public LocalDate getEventDateDate() throws DateTimeParseException {
      *
      * @return Time of event.
      */
-    public LocalTime getEventDateTime() throws DateTimeParseException {
+    public LocalTime getEventDateTime() {
         String[] eventDateArr = this.eventDate.split(" ");
         LocalTime eventDateTime = LocalTime.parse(eventDateArr[1]);
         return eventDateTime;

src/test/duke/ParserTest.java

@@ -0,0 +1,25 @@
+package duke;
+
+import duke.command.AddCommand;
+import duke.command.Command;
+import duke.exception.DukeException;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ParserTest {
+
+    @Test
+    void parse_validCommand_success() {
+        assertDoesNotThrow(() -> {
+            Command command = Parser.parse("todo homework");
+        });
+    }
+
+    @Test
+    void parse_invalidCommand_exceptionThrown() {
+        assertThrows(DukeException.class, () -> {
+            Command command = Parser.parse("blah");
+        });
+    }
+}

src/test/duke/task/DeadlineTaskTest.java

@@ -0,0 +1,48 @@
+package duke.task;
+
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.format.DateTimeParseException;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class DeadlineTaskTest {
+
+    @Test
+    void getDeadlineDate_validDate_success() {
+        DeadlineTask deadlineTask = new DeadlineTask("homework", "2021-01-01 19:00");
+        LocalDate validDate = LocalDate.parse("2021-01-01");
+        assertEquals(deadlineTask.getDeadlineDate(), validDate);
+    }
+
+    @Test
+    void getDeadlineDate_invalidDate_exceptionThrown() {
+        assertThrows(DateTimeParseException.class, () -> {
+            DeadlineTask deadlineTask = new DeadlineTask("homework", "01-01-2021 19:00");
+            deadlineTask.getDeadlineDate();
+        });
+    }
+
+    @Test
+    void getDeadlineTime_validTime_success() {
+        DeadlineTask deadlineTask = new DeadlineTask("homework", "2021-01-01 19:00");
+        LocalTime validTime = LocalTime.parse("19:00");
+        assertEquals(deadlineTask.getDeadlineTime(), validTime);
+    }
+
+    @Test
+    void getDeadlineTime_invalidTime_exceptionThrown() {
+        assertThrows(DateTimeParseException.class, () -> {
+            DeadlineTask deadlineTask = new DeadlineTask("homework", "01-01-2021 25:00");
+            deadlineTask.getDeadlineTime();
+        });
+    }
+
+    @Test
+    void toString_validInputs_success() {
+        assertEquals(new DeadlineTask("homework", "2021-01-01 19:00").toString(),
+                "[D][ ] homework (by: Jan 1 2021, 7:00PM)");
+    }
+}

src/test/duke/task/TaskTest.java

@@ -0,0 +1,22 @@
+package duke.task;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class TaskTest {
+
+    @Test
+    void markAsDone_validInput_success() {
+        Task task = new DeadlineTask("homework", "2021-01-01 19:00");
+        task.markAsDone();
+        assertEquals(task.isDone, true);
+    }
+
+    @Test
+    void getStatusIcon_validInput_success() {
+        Task task = new DeadlineTask("homework", "2021-01-01 19:00");
+        assertEquals(task.getStatusIcon(), " ");
+    }
+
+}