feat: adds Formula1Car.java tests

Author: TatsuyaRyujin

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/evanphilakhong/Track.java

@@ -37,6 +37,4 @@ public Track(
     this.drsZone = drsZone;
     this.weather = weather;
   }
-
-  public static void main(String[] args) {}
 }

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/evanphilakhong/Formula1CarTest.java

@@ -0,0 +1,83 @@
+package com.codedifferently.lesson16.evanphilakhong;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+class Formula1CarTest {
+
+  private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+  Track track;
+  Formula1Car f1Car1;
+
+  @BeforeEach
+  void setUp() {
+    track = new Track();
+    String[] f1Car1Sponsors = {"Hp", "Shell", "UniCredit", "IBM", "Puma", "VGW Play"};
+    f1Car1 =
+        new Formula1Car(Team.FERRARI, f1Car1Sponsors, "Lewis Hamilton", 44, 8, TyreCompound.MEDIUM);
+    f1Car1.setTrack(track);
+    System.setOut(new PrintStream(outContent));
+  }
+
+  @Test
+  void testIsDrsAvailibe() {
+    assertFalse(f1Car1.isDrsAvailible());
+
+    // act
+    track.setDrsZone(true);
+
+    // assert
+    assertTrue(f1Car1.isDrsAvailible());
+  }
+
+  @Test
+  void testRainStrategy_returnsTrue() {
+    // checks if tyres change depending on weather conditions
+    track.setWeather(Weather.LIGHT_RAIN);
+    assertTrue(f1Car1.rainStrategy());
+    assertEquals(f1Car1.getCurrTyre(), TyreCompound.INTERMEDIATE);
+
+    track.setWeather(Weather.HEAVY_RAIN);
+    assertTrue(f1Car1.rainStrategy());
+    assertEquals(f1Car1.getCurrTyre(), TyreCompound.WET);
+  }
+
+  @Test
+  void testRainStrategy_returnsFalse() {
+    // checks the default condition no rain
+    assertFalse(f1Car1.rainStrategy());
+  }
+
+  @Test
+  void testPrintSponsors() throws Exception {
+    if (f1Car1.getSponsors().length == 0) {
+      throw new NoSponsorsException(f1Car1.getTeam() + " has no Sponsors");
+    } else {
+      String expected =
+          "Here's a list of our Sponsors:"
+              + System.lineSeparator()
+              + "Hp"
+              + System.lineSeparator()
+              + "Shell"
+              + System.lineSeparator()
+              + "UniCredit"
+              + System.lineSeparator()
+              + "IBM"
+              + System.lineSeparator()
+              + "Puma"
+              + System.lineSeparator()
+              + "VGW Play"
+              + System.lineSeparator();
+
+      f1Car1.printSponsors();
+
+      assertEquals(expected, outContent.toString());
+    }
+  }
+}