PDFBOX-5660: refactor

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1931357 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

examples/src/test/java/org/apache/pdfbox/examples/pdmodel/TestEmbeddedFiles.java

@@ -24,6 +24,7 @@
 
 import org.junit.jupiter.api.Assertions;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 
 /**
@@ -32,6 +33,14 @@
  */
 class TestEmbeddedFiles
 {
+    private static final String OUTPUT_DIR = "target/test-output";
+
+    @BeforeAll
+    static void setUp()
+    {
+        new File(OUTPUT_DIR).mkdirs();
+    }
+
     /**
      * Very basic test of embedding and extracting an attachment.
      *
@@ -40,10 +49,9 @@ class TestEmbeddedFiles
     @Test
     void testEmbeddedFiles() throws IOException
     {
-        String outputFile = "target/test-output/EmbeddedFile.pdf";
-        String embeddedFile = "target/test-output/Test.txt";
+        String outputFile = OUTPUT_DIR + "/EmbeddedFile.pdf";
+        String embeddedFile = OUTPUT_DIR + "/Test.txt";
 
-        new File("target/test-output").mkdirs();
         new File(outputFile).delete();
         new File(embeddedFile).delete();
         String[] args = { outputFile };
@@ -64,11 +72,9 @@ void testEmbeddedFiles() throws IOException
     @Test
     void testExtractEmbeddedFiles() throws IOException
     {
-        String dir = "target/test-output";
-        new File(dir).mkdirs();
-        String collectionFilename = dir + "/PortableCollection.pdf";
-        String attachment1Filename = dir + "/Test1.txt";
-        String attachment2Filename = dir + "/Test2.txt";
+        String collectionFilename = OUTPUT_DIR + "/PortableCollection.pdf";
+        String attachment1Filename = OUTPUT_DIR + "/Test1.txt";
+        String attachment2Filename = OUTPUT_DIR + "/Test2.txt";
         String[] args = new String[] { collectionFilename };
         CreatePortableCollection.main(args);
         ExtractEmbeddedFiles.main(args);