Added unit tests for Location class (#12)

* Added unit tests for Location class

LiveSched/src/test/java/dev/coms4156/project/livesched/LocationUnitTests.java

@@ -0,0 +1,85 @@
+package dev.coms4156.project.livesched;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ContextConfiguration;
+
+/**
+ * Unit tests for the Location class.
+ */
+@SpringBootTest
+@ContextConfiguration
+public class LocationUnitTests {
+
+  double validLatitude = 40.842770;
+  double validLongitude = -73.942863;
+
+  /**
+   * Test for the constructor in Location class with valid latitude and longitude.
+   */
+  @Test
+  void constructorValidTest() {
+    assertDoesNotThrow(() -> new Location(validLatitude, validLongitude),
+        "Location constructor should not throw an exception with valid parameters.");
+
+    Location location = new Location(validLatitude, validLongitude);
+    assertEquals(validLatitude + ", " + validLongitude, location.getCoordinates(),
+        "Location should be 40.842770, -73.942863.");
+  }
+
+  /**
+   * Test for the constructor in Location class with invalid latitude.
+   */
+  @Test
+  void constructorInvalidLatitudeTest() {
+    assertThrows(IllegalArgumentException.class, () -> new Location(-90.5, validLongitude),
+        "Latitude less than -90 should throw an exception.");
+
+    assertThrows(IllegalArgumentException.class, () -> new Location(90.3, validLongitude),
+        "Latitude greater than 90 should throw an exception.");
+  }
+
+  /**
+   * Test for the constructor in Location class with invalid longitude.
+   */
+  @Test
+  void constructorInvalidLongitudeTest() {
+    assertThrows(IllegalArgumentException.class, () -> new Location(validLatitude, -180.9),
+        "Longitude less than -180 should throw an exception.");
+
+    assertThrows(IllegalArgumentException.class, () -> new Location(validLatitude, 180.1),
+        "Longitude greater than 180 should throw an exception.");
+  }
+
+  /**
+   * Test for the constructor in Location class with boundary values of latitude and longitude.
+   */
+  @Test
+  void constructorBoundaryTest() {
+    assertDoesNotThrow(() -> new Location(-90.0, validLongitude),
+        "Location constructor should not throw an exception for latitude at lower boundary.");
+
+    assertDoesNotThrow(() -> new Location(90.0, validLongitude),
+        "Location constructor should not throw an exception for latitude at upper boundary.");
+
+    assertDoesNotThrow(() -> new Location(validLatitude, -180),
+        "Location constructor should not throw an exception for longitude at lower boundary.");
+
+    assertDoesNotThrow(() -> new Location(validLatitude, 180),
+        "Location constructor should not throw an exception for longitude at upper boundary.");
+  }
+
+  /**
+   * Test for getCoordinates method in Location class.
+   */
+  @Test
+  void getCoordinatesTest() {
+    Location location = new Location(34.05, -118.25); // Different, valid location
+    assertEquals("34.05, -118.25", location.getCoordinates(),
+        "Location should be 34.05, -118.25.");
+  }
+}