add scene and render object tests

Author: mi-sts

src/main/kotlin/solve/rendering/engine/scene/Scene.kt

@@ -14,7 +14,7 @@ class Scene(renderers: List<Renderer> = emptyList()) {
     fun update(deltaTime: Float) {
         _renderObjects.forEach { gameObject ->
             if (gameObject.isDestroyed) {
-                removeGameObject(gameObject)
+                removeRenderObject(gameObject)
                 return@forEach
             }
 
@@ -23,7 +23,7 @@ class Scene(renderers: List<Renderer> = emptyList()) {
         }
     }
 
-    fun addGameObject(renderObject: RenderObject) {
+    fun addRenderObject(renderObject: RenderObject) {
         if (_renderObjects.contains(renderObject)) {
             println("The scene already contains adding game object ($renderObject)!")
             return
@@ -32,7 +32,7 @@ class Scene(renderers: List<Renderer> = emptyList()) {
         _renderers.forEach { it.addRenderObject(renderObject) }
     }
 
-    fun removeGameObject(renderObject: RenderObject) {
+    fun removeRenderObject(renderObject: RenderObject) {
         _renderObjects.remove(renderObject)
         _renderers.forEach { it.removeRenderObject(renderObject) }
     }

src/test/kotlin/solve/unit/rendering/engine/scene/RenderObjectTests.kt

@@ -0,0 +1,24 @@
+package solve.unit.rendering.engine.scene
+
+import org.junit.jupiter.api.Test
+import solve.rendering.engine.components.SpriteRenderer
+import solve.rendering.engine.scene.RenderObject
+
+internal class RenderObjectTests {
+    @Test
+    fun `Adds a component to a render object and checks if it contained`() {
+        val renderObject = RenderObject("Render object")
+        val addedComponent = SpriteRenderer()
+        renderObject.addComponent(addedComponent)
+        assert(renderObject.hasComponent(addedComponent))
+    }
+
+    @Test
+    fun `Removes an added component and checks if it does not exists`() {
+        val renderObject = RenderObject("Render object")
+        val addedComponent = SpriteRenderer()
+        renderObject.addComponent(addedComponent)
+        renderObject.removeComponent(addedComponent)
+        assert(!renderObject.hasComponent(addedComponent))
+    }
+}

src/test/kotlin/solve/unit/rendering/engine/scene/SceneTests.kt

@@ -0,0 +1,24 @@
+package solve.unit.rendering.engine.scene
+
+import org.junit.jupiter.api.Test
+import solve.rendering.engine.scene.RenderObject
+import solve.rendering.engine.scene.Scene
+
+class SceneTests {
+    @Test
+    fun `Adds a render object to a scene and checks if it contained`() {
+        val scene = Scene()
+        val addedRenderObject = RenderObject("Render object")
+        scene.addRenderObject(addedRenderObject)
+        assert(scene.renderObjects.contains(addedRenderObject))
+    }
+
+    @Test
+    fun `Removes added render object and checks if it does not exists`() {
+        val scene = Scene()
+        val addedRenderObject = RenderObject("Render object")
+        scene.addRenderObject(addedRenderObject)
+        scene.removeRenderObject(addedRenderObject)
+        assert(!scene.renderObjects.contains(addedRenderObject))
+    }
+}