Update need for speed to use test runner v3 features (#2500)

Author: aldotele

exercises/concept/need-for-speed/build.gradle

@@ -1,23 +1,22 @@
-apply plugin: "java"
-apply plugin: "eclipse"
-apply plugin: "idea"
-
-// set default encoding to UTF-8
-compileJava.options.encoding = "UTF-8"
-compileTestJava.options.encoding = "UTF-8"
+plugins {
+  id "java"
+}
 
 repositories {
   mavenCentral()
 }
 
 dependencies {
-  testImplementation "junit:junit:4.13"
+  testImplementation platform("org.junit:junit-bom:5.10.0")
+  testImplementation "org.junit.jupiter:junit-jupiter"
   testImplementation "org.assertj:assertj-core:3.15.0"
 }
 
 test {
+  useJUnitPlatform()
+
   testLogging {
-    exceptionFormat = 'full'
+    exceptionFormat = "full"
     showStandardStreams = true
     events = ["passed", "failed", "skipped"]
   }

exercises/concept/need-for-speed/src/test/java/NeedForSpeedTest.java

@@ -1,9 +1,15 @@
-import static org.assertj.core.api.Assertions.assertThat;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.*;
 
-import org.junit.Test;
 
 public class NeedForSpeedTest {
+
     @Test
+    @Tag("task:3")
+    @DisplayName("The distanceDriven method returns 0 on a new car")
     public void new_remote_control_car_has_not_driven_any_distance() {
         int speed = 10;
         int batteryDrain = 2;
@@ -13,6 +19,8 @@ public void new_remote_control_car_has_not_driven_any_distance() {
     }
 
     @Test
+    @Tag("task:3")
+    @DisplayName("The distanceDriven method returns 5 after driving once")
     public void drive_increases_distance_driven_with_speed() {
         int speed = 5;
         int batteryDrain = 1;
@@ -24,6 +32,8 @@ public void drive_increases_distance_driven_with_speed() {
     }
 
     @Test
+    @Tag("task:3")
+    @DisplayName("The distanceDriven method returns the correct distance after driving multiple times")
     public void drive_does_not_increase_distance_driven_when_battery_drained() {
         int speed = 9;
         int batteryDrain = 50;
@@ -40,6 +50,8 @@ public void drive_does_not_increase_distance_driven_when_battery_drained() {
     }
 
     @Test
+    @Tag("task:4")
+    @DisplayName("The batteryDrained method returns false when car never drove")
     public void new_remote_control_car_battery_is_not_drained() {
         int speed = 15;
         int batteryDrain = 3;
@@ -49,6 +61,8 @@ public void new_remote_control_car_battery_is_not_drained() {
     }
 
     @Test
+    @Tag("task:4")
+    @DisplayName("The batteryDrained method returns false when car battery did not completely drain after driving")
     public void drive_to_almost_drain_battery() {
         int speed = 2;
         int batteryDrain = 1;
@@ -63,6 +77,8 @@ public void drive_to_almost_drain_battery() {
     }
 
     @Test
+    @Tag("task:4")
+    @DisplayName("The batteryDrained method returns true when battery completely drained after driving")
     public void drive_until_battery_is_drained() {
         int speed = 2;
         int batteryDrain = 1;
@@ -77,25 +93,33 @@ public void drive_until_battery_is_drained() {
     }
 
     @Test
+    @Tag("task:5")
+    @DisplayName("The distanceDriven method returns 0 on a new nitro car")
     public void nitro_car_has_not_driven_any_distance() {
         var car = NeedForSpeed.nitro();
         assertThat(car.distanceDriven()).isEqualTo(0);
     }
 
     @Test
+    @Tag("task:5")
+    @DisplayName("The batteryDrained method returns false when nitro car never drove")
     public void nitro_car_has_battery_not_drained() {
         var car = NeedForSpeed.nitro();
         assertThat(car.batteryDrained()).isFalse();
     }
 
     @Test
+    @Tag("task:5")
+    @DisplayName("The distanceDriven method returns the correct distance after driving a nitro car")
     public void nitro_car_has_correct_speed() {
         var car = NeedForSpeed.nitro();
         car.drive();
         assertThat(car.distanceDriven()).isEqualTo(50);
     }
 
     @Test
+    @Tag("task:5")
+    @DisplayName("The batteryDrained method returns false when nitro battery did not completely drain after driving")
     public void nitro_has_correct_battery_drain() {
         var car = NeedForSpeed.nitro();
 
@@ -105,14 +129,25 @@ public void nitro_has_correct_battery_drain() {
         }
 
         assertThat(car.batteryDrained()).isFalse();
+    }
 
-        // Drain the battery
-        car.drive();
+    @Test
+    @Tag("task:5")
+    @DisplayName("The batteryDrained method returns true when nitro battery completely drained after driving")
+    public void nitro_battery_completely_drains() {
+        var car = NeedForSpeed.nitro();
+
+        // The battery is almost drained
+        for (var i = 0; i < 25; i++) {
+            car.drive();
+        }
 
         assertThat(car.batteryDrained()).isTrue();
     }
 
     @Test
+    @Tag("task:6")
+    @DisplayName("The tryFinishCar method returns true when car can finish a race")
     public void car_can_finish_with_car_that_can_easily_finish() {
         int speed = 10;
         int batteryDrain = 2;
@@ -125,6 +160,8 @@ public void car_can_finish_with_car_that_can_easily_finish() {
     }
 
     @Test
+    @Tag("task:6")
+    @DisplayName("The tryFinishCar method returns true when car can just finish a race")
     public void car_can_finish_with_car_that_can_just_finish() {
         int speed = 2;
         int batteryDrain = 10;
@@ -137,6 +174,8 @@ public void car_can_finish_with_car_that_can_just_finish() {
     }
 
     @Test
+    @Tag("task:6")
+    @DisplayName("The tryFinishCar method returns false when car just cannot finish a race")
     public void car_can_finish_with_car_that_just_cannot_finish() {
         int speed = 3;
         int batteryDrain = 20;
@@ -149,6 +188,8 @@ public void car_can_finish_with_car_that_just_cannot_finish() {
     }
 
     @Test
+    @Tag("task:6")
+    @DisplayName("The tryFinishCar method returns false when car cannot finish a race")
     public void car_can_finish_with_car_that_cannot_finish() {
         int speed = 1;
         int batteryDrain = 20;