fixed isBinaryFile

src/de/chw/css/script/ProductLineTemplateEngine.java

@@ -16,7 +16,7 @@ public class ProductLineTemplateEngine {
 	// patterns for predicate and corresponding generate methods
 	private static final String BINARY_FILENAME_PATTERN = "_template_default\\.(\\w+)\\z";
 
-	private String chosenProduct;
+	private final String chosenProduct;
 
 	public ProductLineTemplateEngine(String chosenProduct) {
 		this.chosenProduct = chosenProduct;
@@ -31,7 +31,7 @@ public class ProductLineTemplateEngine {
 	}
 
 	public boolean isBinaryFile(File file) {
-		return file.getName().matches(BINARY_FILENAME_PATTERN);
+		return file.getName().matches(".*" + BINARY_FILENAME_PATTERN);
 	}
 
 	public void generateBinaryFile(File file) throws IOException {

test/de/chw/css/script/ProductLineTemplateEngineTest.java

 package de.chw.css.script;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
 
 import java.io.File;
 import java.io.IOException;
@@ -9,11 +11,11 @@ import org.junit.Test;
 
 public class ProductLineTemplateEngineTest {
 
-	private void testGenerateBinaryFile(String filenameToSearchFor, String generatedFilename) throws IOException {
+	private void testGenerateBinaryFile(String filenameToSearchFor, String expectedGeneratedFilename) throws IOException {
 		ProductLineTemplateEngine engine = new ProductLineTemplateEngine("fm");
 		engine.generateBinaryFile(new File(filenameToSearchFor));
 
-		File generatedFile = new File(generatedFilename);
+		File generatedFile = new File(expectedGeneratedFilename);
 		assertTrue(generatedFile.exists());
 		// clean up
 		generatedFile.delete();
@@ -24,6 +26,13 @@ public class ProductLineTemplateEngineTest {
 		testGenerateBinaryFile("resource/logo_template_default.png", "resource/logo.png");
 	}
 
+	@Test
+	public void testIsBinaryFile() throws IOException {
+		ProductLineTemplateEngine engine = new ProductLineTemplateEngine("fm");
+		assertTrue(engine.isBinaryFile(new File("resource/logo_template_default.png")));
+		assertFalse(engine.isBinaryFile(new File("resource/DataSource.groovy")));
+	}
+	
 	@Test
 	public void testGenerateBuildConfig() throws IOException {
 		testGenerateBinaryFile("resource/BootStrap_template_default.groovy", "resource/BootStrap.groovy");