Better test for material loading, also ensured that the J3MExporter writes UTF-8 files

jme3-plugins/src/main/java/com/jme3/material/plugin/export/material/J3MExporter.java

@@ -16,6 +16,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
+import java.nio.charset.Charset;
 
 /**
  * Saves a Material to a j3m file with proper formatting.
@@ -49,7 +50,7 @@ public class J3MExporter implements JmeExporter {
             throw new IllegalArgumentException("J3MExporter can only save com.jme3.material.Material class");
         }
 
-        OutputStreamWriter out = new OutputStreamWriter(f);
+        OutputStreamWriter out = new OutputStreamWriter(f, Charset.forName("UTF-8"));
 
         rootCapsule.clear();
         object.write(this);

jme3-plugins/src/test/java/com/jme3/material/plugin/TestMaterialWrite.java

@@ -31,36 +31,65 @@
  */
 package com.jme3.material.plugin;
 
+import com.jme3.asset.AssetInfo;
+import com.jme3.asset.AssetKey;
 import com.jme3.asset.AssetManager;
 import com.jme3.material.Material;
+import com.jme3.material.RenderState;
 import com.jme3.material.plugin.export.material.J3MExporter;
+import com.jme3.material.plugins.J3MLoader;
+import com.jme3.math.ColorRGBA;
 import com.jme3.system.JmeSystem;
 import static org.junit.Assert.*;
+
+import com.jme3.texture.Texture;
+import com.jme3.texture.Texture2D;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.Scanner;
 
 public class TestMaterialWrite {
 
     private AssetManager assetManager;
-    private Material mat;
 
     @Before
     public void init() {
         assetManager = JmeSystem.newAssetManager(
                 TestMaterialWrite.class.getResource("/com/jme3/asset/Desktop.cfg"));
 
-        mat = assetManager.loadMaterial("/testMat.j3m");
+
     }
 
 
     @Test
-    public void testWriteMat() {
-        assertNotNull(mat);
-        ByteArrayOutputStream stream = new ByteArrayOutputStream();
+    public void testWriteMat() throws Exception {
+
+        Material mat = new Material(assetManager,"Common/MatDefs/Light/Lighting.j3md");
+
+        mat.setBoolean("UseMaterialColors", true);
+        mat.setColor("Diffuse", ColorRGBA.White);
+        mat.setColor("Ambient", ColorRGBA.DarkGray);
+        mat.setFloat("AlphaDiscardThreshold", 0.5f);
+
+        mat.setFloat("Shininess", 2.5f);
+
+        Texture tex = assetManager.loadTexture("Common/Textures/MissingTexture.png");
+        tex.setMagFilter(Texture.MagFilter.Nearest);
+        tex.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
+        tex.setWrap(Texture.WrapAxis.S, Texture.WrapMode.Repeat);
+        tex.setWrap(Texture.WrapAxis.T, Texture.WrapMode.MirroredRepeat);
+
+        mat.setTexture("DiffuseMap", tex);
+        mat.getAdditionalRenderState().setDepthWrite(false);
+        mat.getAdditionalRenderState().setDepthTest(false);
+        mat.getAdditionalRenderState().setBlendMode(RenderState.BlendMode.Alpha);
+
+        final ByteArrayOutputStream stream = new ByteArrayOutputStream();
 
         J3MExporter exporter = new J3MExporter();
         try {
@@ -69,16 +98,18 @@ public class TestMaterialWrite {
             e.printStackTrace();
         }
 
-        String reference = convertStreamToString(TestMaterialWrite.class.getResourceAsStream("/testMat.j3m"));
-//        System.err.println(reference);
-//        System.err.println(stream.toString());
+        System.err.println(stream.toString());
 
-      //  assertEquals(reference.replaceAll("[\\s\\r\\n]",""), stream.toString().replaceAll("[\\s\\r\\n]",""));
+        J3MLoader loader = new J3MLoader();
+        AssetInfo info = new AssetInfo(assetManager, new AssetKey("test")) {
+            @Override
+            public InputStream openStream() {
+                return new ByteArrayInputStream(stream.toByteArray());
             }
+        };
+        Material mat2 = (Material)loader.load(info);
 
-    private String convertStreamToString(java.io.InputStream is) {
-        Scanner s = new Scanner(is).useDelimiter("\\A");
-        return s.hasNext() ? s.next() : "";
+        assertTrue(mat.contentEquals(mat2));
     }
 
 }

jme3-plugins/src/test/resources/testMat.j3m

@@ -1,15 +0,0 @@
-Material test : Common/MatDefs/Light/Lighting.j3md {
-
-    MaterialParameters {
-      Diffuse : 1.0 1.0 1.0 1.0
-      UseMaterialColors : true
-      ParallaxHeight : 0.05
-      Ambient : 1.0 1.0 1.0 1.0
-      DiffuseMap : Flip WrapRepeat_S WrapRepeat_T MinNearestNoMipMaps MagNearest "Textures/ColoredTex/Monkey.png"
-      Specular : 0.01375 0.01375 0.01375 1.0
-      Shininess : 50.0
-    }
-
-    AdditionalRenderState {
-    }
-}