Tests for DimmableLight

src/test/java/ch/usi/inf/sa4/sanmarinoes/smarthut/DimmableLightTests.java

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+package ch.usi.inf.sa4.sanmarinoes.smarthut;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import ch.usi.inf.sa4.sanmarinoes.smarthut.models.DimmableLight;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+@DisplayName("A Button Dimmer")
+public class DimmableLightTests {
+
+    DimmableLight dimmableLight;
+
+    @BeforeEach
+    public void createNewButtonDimmer() {
+        this.dimmableLight = new DimmableLight();
+    }
+
+    @Nested
+    @DisplayName(" when on")
+    class WhenOn {
+
+        @BeforeEach
+        public void setLightOn() {
+            dimmableLight.setOn(true);
+        }
+
+        @Test
+        @DisplayName("the isOn method should return true")
+        public void isOn() {
+            assertTrue(dimmableLight.isOn());
+        }
+
+        @Test
+        @DisplayName("the intensity should be 100 when the light is turned on")
+        public void checkIntensityWhenTurnedOn() {
+            assertEquals(100, dimmableLight.getIntensity());
+        }
+
+        @Test
+        @DisplayName("setting the intensity to a number between 1 and 100")
+        public void checkIntensityBetweenLimits() {
+            dimmableLight.setIntensity(50);
+            assertEquals(50, dimmableLight.getIntensity());
+        }
+
+        @Test
+        @DisplayName("setting the intensity to a number > 100")
+        public void checkIntensityMoreThanLimits() {
+            dimmableLight.setIntensity(150);
+            assertEquals(100, dimmableLight.getIntensity());
+        }
+
+        @Test
+        @DisplayName("setting the intensity to a number < 0")
+        public void checkIntensityLessThanLimits() {
+            dimmableLight.setIntensity(-30);
+            assertEquals(0, dimmableLight.getIntensity());
+        }
+
+        @Test
+        @DisplayName("setting the intensity to a number <= 0 should turn the light off")
+        public void checkTurnOn() {
+            dimmableLight.setIntensity(0);
+            assertFalse(dimmableLight.isOn());
+        }
+    }
+
+    @Nested
+    @DisplayName(" when off")
+    class WhenOff {
+
+        @BeforeEach
+        public void setLightOff() {
+            dimmableLight.setOn(false);
+        }
+
+        @Test
+        @DisplayName("the isOn method should return false")
+        public void isOn() {
+            assertFalse(dimmableLight.isOn());
+        }
+
+        @Test
+        @DisplayName("the intensity should be 0 when the light is turned off")
+        public void checkIntensityWhenTurnedOff() {
+            assertEquals(0, dimmableLight.getIntensity());
+        }
+
+        @Test
+        @DisplayName("setting the intensity to a number between 1 and 100")
+        public void checkIntensityBetweenLimits() {
+            dimmableLight.setIntensity(50);
+            assertEquals(50, dimmableLight.getIntensity());
+        }
+
+        @Test
+        @DisplayName("setting the intensity to a number > 0 should turn the light on")
+        public void checkIntensityLessThanLimits() {
+            dimmableLight.setIntensity(47);
+            assertEquals(47, dimmableLight.getIntensity());
+        }
+    }
+}