more unit tests for payload -> content sets and back

pinned the bug down to the PathTree.condenseSubTreeNodes()

src/main/java/com/hashbangbash/trie/App.java

@@ -10,6 +10,7 @@ import java.io.InputStreamReader;
 import java.io.BufferedReader;
 import java.io.BufferedInputStream;
 import java.io.File;
+import java.io.FileOutputStream;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -83,6 +84,33 @@ public class App {
         return null;
     }
 
+    public static void byteArrayToFile(byte[] output, String filename) {
+        try {
+            FileOutputStream fos = new FileOutputStream(filename);
+         
+            /*
+             * To write byte array to a file, use
+             * void write(byte[] bArray) method of Java FileOutputStream class.
+             *
+             * This method writes given byte array to a file.
+             */
+            fos.write(output);
+     
+            /*
+            * Close FileOutputStream using,
+            * void close() method of Java FileOutputStream class.
+            *
+            */
+            fos.flush();
+            fos.close();
+     
+        } catch(FileNotFoundException ex) {
+            System.out.println("FileNotFoundException : " + ex);
+        } catch(IOException ioe) {
+            System.out.println("IOException : " + ioe);
+        }
+    }
+
     public static List<String> listFromFile(String filename) throws IOException, FileNotFoundException {
         FileInputStream fis;
         DataInputStream in;
@@ -182,6 +210,7 @@ public class App {
             List<String> contents;
 
             dos = (DEROctetString)objectFromCertOid(arg, "1.3.6.1.4.1.2312.9.7");
+            //byteArrayToFile(dos.getOctets(), "herp.bin");
             if ((contents = hydrateFromBytes(dos.getOctets())) == null) {
                 System.out.println("FAIL");
                 return;

src/main/java/com/redhat/trie/PathTree.java

@@ -92,8 +92,6 @@ public class PathTree {
 
     /**
      * Constructor using the list of content sets.
-     *
-     * FIXME - This is a stub.
      */
     public PathTree(List<String> contentSets) throws PayloadException {
         try {
@@ -120,8 +118,6 @@ public class PathTree {
 
         this.payload = payload;
 
-        //inflatePathDict
-
         this.modified = false;
     }
 

src/test/java/com/redhat/trie/TestPathTree.java

@@ -3,13 +3,18 @@ package com.redhat.trie;
 import java.util.List;
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Collection;
+import java.util.HashSet;
+
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
 import java.io.InputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 import org.junit.Test;
@@ -46,6 +51,39 @@ public class TestPathTree {
         assertNotNull(pt);
     }
 
+    @Test
+    public void testThereAndBackAgainPayload() {
+        byte[] bytes;
+        PathTree pt0;
+        PathTree pt1;
+        List<String> contents0;
+        List<String> contents1;
+
+        bytes = loadBytes("test.bin");
+        pt0 = new PathTree(bytes);
+        contents0 = pt0.toList();
+        for (String str : contents0) {
+            System.out.println(str);
+        }
+        
+        assertEquals(contents0.size(), 3);
+        //printByteArray(bytes);
+
+        try {
+            pt1 = new PathTree(contents0);
+            assertNotNull(pt1);
+            //printByteArray(pt1.getPayload());
+            contents1 = pt1.toList();
+            assertTrue(cmpStrings(contents0, contents1));
+            for (String str : contents1) {
+                System.out.println(str);
+            }
+        } catch (Throwable ex) {
+            fail(ex.toString());
+        }
+
+    }
+
     @Test
     public void testThereAndBackAgainCS() {
         PathTree pt0 = new PathTree();
@@ -62,17 +100,21 @@ public class TestPathTree {
         }
         bytes = pt0.getPayload();
         assertNotNull(bytes);
-        printByteArray(bytes);
+        //printByteArray(bytes);
 
         pt1 = new PathTree(bytes);
         contents1 = pt1.toList();
         
-        System.out.println(contents0.size());
-        System.out.println(contents1.size());
+        assertTrue(cmpStrings(contents0, contents1));
+        assertEquals(contents0.size(), contents1.size());
 
-        Collections.sort(contents0);
-        Collections.sort(contents1);
+        //System.out.println(contents0.size());
+        //System.out.println(contents1.size());
 
+        //Collections.sort(contents0);
+        //Collections.sort(contents1);
+
+        /*
         System.out.println("Originals, not in New");
         for (String thisS : contents0) {
             if (! contents1.contains(thisS)) {
@@ -86,14 +128,31 @@ public class TestPathTree {
                 System.out.println(thisS);
             }
         }
+        */
 
-        assertEquals(contents0.size(), contents1.size());
     }
 
 
-
     // Helpers
     // 
+    private boolean cmpStrings(List<String> thisList, List<String> thatList) {
+        Collection<String> thisColl = new ArrayList(thisList);
+        Collection<String> thatColl = new ArrayList(thatList);
+
+        Collection<String> similar = new HashSet<String>( thisColl );
+        Collection<String> different = new HashSet<String>();
+        different.addAll( thisColl );
+        different.addAll( thatColl );
+
+        similar.retainAll( thatColl );
+        different.removeAll( similar );
+        
+        if (different.size() > 0) {
+            System.out.printf("Different:%s%n", different);
+        }
+        return (different.size() == 0);
+    }
+
     private void printByteArray(byte[] bytes) {
         int width = 30;
         int counter = 0;
@@ -113,6 +172,24 @@ public class TestPathTree {
         return getClass().getClassLoader().getResourceAsStream(filename);
     }
 
+    private byte[] loadBytes(String filename) {
+        InputStream in = resStream(filename);
+        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+        int nRead;
+        byte[] data = new byte[16834];
+
+        try {
+            while ((nRead = in.read(data, 0, data.length)) != -1) {
+                buffer.write(data, 0, nRead);
+            }
+            buffer.flush();
+        } catch (IOException ex) {
+            fail(ex.toString());
+        }
+
+        return buffer.toByteArray();
+    }
+
     private List<String> loadContents(String filename) {
         String content;
         List<String> contentList = new ArrayList<String>();