material: add unit test

jme3-core/src/test/java/com/jme3/material/MaterialTest.java

@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2009-2016 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.material;
+
+import com.jme3.asset.AssetManager;
+import com.jme3.light.LightList;
+import com.jme3.renderer.Caps;
+import com.jme3.renderer.RenderManager;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.shape.Box;
+import com.jme3.system.NullRenderer;
+import com.jme3.system.TestUtil;
+import java.util.Arrays;
+import java.util.EnumSet;
+import static org.junit.Assert.*;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.runners.MockitoJUnitRunner;
+
+@RunWith(MockitoJUnitRunner.class)
+public class MaterialTest {
+
+    private Material material;
+    private final Geometry geometry = new Geometry("Geometry", new Box(1, 1, 1));
+    private final EnumSet<Caps> myCaps = EnumSet.noneOf(Caps.class);
+    private final RenderManager renderManager = new RenderManager(new NullRenderer() {
+        @Override
+        public EnumSet<Caps> getCaps() {
+            return MaterialTest.this.myCaps;
+        }
+    });
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testSelectNonExistentTechnique() {
+        material("Common/MatDefs/Gui/Gui.j3md");
+        material.selectTechnique("Doesn't Exist", renderManager);
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void testSelectDefaultTechnique_NoCaps() {
+        material("Common/MatDefs/Gui/Gui.j3md");
+        material.selectTechnique("Default", renderManager);
+    }
+
+    @Test
+    public void testSelectDefaultTechnique_GLSL100Cap() {
+        supportGlsl(100);
+        material("Common/MatDefs/Gui/Gui.j3md");
+
+        material.selectTechnique("Default", renderManager);
+
+        checkRequiredCaps(Caps.GLSL100);
+    }
+
+    @Test
+    public void testSelectDefaultTechnique_GLSL150Cap() {
+        supportGlsl(150);
+        material("Common/MatDefs/Gui/Gui.j3md");
+
+        material.selectTechnique("Default", renderManager);
+
+        checkRequiredCaps(Caps.GLSL150);
+    }
+
+    @Test
+    public void testSelectDefaultTechnique_GLSL120Cap_MultipleLangs() {
+        supportGlsl(120);
+        material("Common/MatDefs/Misc/Particle.j3md");
+
+        material.selectTechnique("Default", renderManager);
+
+        checkRequiredCaps(Caps.GLSL100, Caps.GLSL120);
+    }
+
+    @Test
+    public void testSelectDefaultTechnique_GLSL100Cap_MultipleLangs() {
+        supportGlsl(100);
+        material("Common/MatDefs/Misc/Particle.j3md");
+
+        material.selectTechnique("Default", renderManager);
+
+        checkRequiredCaps(Caps.GLSL100);
+    }
+
+    @Test
+    public void testSelectNamedTechnique_GLSL150Cap() {
+        supportGlsl(150);
+        material("Common/MatDefs/Misc/Particle.j3md");
+
+        material.selectTechnique("SoftParticles", renderManager);
+
+        checkRequiredCaps(Caps.GLSL100, Caps.GLSL150);
+    }
+
+    @Test
+    public void testSelectNamedTechnique_GLSL100Cap() {
+        supportGlsl(100);
+        material("Common/MatDefs/Misc/Particle.j3md");
+
+        material.selectTechnique("SoftParticles", renderManager);
+
+        checkRequiredCaps(Caps.GLSL100);
+    }
+
+    private void checkRequiredCaps(Caps... caps) {
+        EnumSet<Caps> expected = EnumSet.noneOf(Caps.class);
+        expected.addAll(Arrays.asList(caps));
+
+        Technique tech = material.getActiveTechnique();
+
+        assertEquals(expected, tech.getDef().getRequiredCaps());
+    }
+
+    private void supportGlsl(int version) {
+        switch (version) {
+            case 150:
+                myCaps.add(Caps.GLSL150);
+            case 140:
+                myCaps.add(Caps.GLSL140);
+            case 130:
+                myCaps.add(Caps.GLSL130);
+            case 120:
+                myCaps.add(Caps.GLSL120);
+            case 110:
+                myCaps.add(Caps.GLSL110);
+            case 100:
+                myCaps.add(Caps.GLSL100);
+                break;
+        }
+    }
+
+    private void caps(Caps... caps) {
+        myCaps.addAll(Arrays.asList(caps));
+    }
+
+    private void material(String path) {
+        AssetManager assetManager = TestUtil.createAssetManager();
+        material = new Material(assetManager, path);
+        geometry.setMaterial(material);
+    }
+
+}