package bluej.collect;

import junit.framework.TestCase;
import bluej.utility.Utility;

public class TestAnonymisation
extends TestCase{    
   private static String combineLines(String[] lines)
   {        
      StringBuilder s = new StringBuilder();
       
      for (String line : lines)
       {
         s.append(line).append("\n");         
         }
      return s.toString();     
      }
    
   
   private static void assertAutoAnon(String[] input)
   {
      assertAnon(input, input);     
      }
    
   
   private static void assertAnon(String[] input, String[] expectedOutput)
   {
      String[] actualOutput = Utility.splitLines(CodeAnonymiser.anonymise(combineLines(input)));
        
      assertEquals(expectedOutput.length, actualOutput.length);
       
      for (int i = 0; i < expectedOutput.length; i++)
       {
         assertEquals("Line " + i + " differs", expectedOutput[i], actualOutput[i]);         
         }     
      }
    
   
   public void test1()
   {        
      assertAutoAnon(new String[] {
      "class Foo",
      "{",
      "}"});
        
       
      assertAutoAnon(new String[] {
      "    class Foo",
      "{",
      "}"});     
      }
    
   
   public void test2()
   {        
      assertAutoAnon(new String[] {
      "  import bar;",
      "",
      "class Foo",
      "{",
      "}"});     
      }
    
   
   public void test3()
   {        
      assertAnon(new String[] {
      "  import bar;",
      "/** Some comment",
      "*/",
      "class Foo",
      "{",
      "}"},

      new String[] {
      "  import bar;",
      "/** #### #######",
      "*/",
      "class Foo",
      "{",
      "}"});     
      }
    
   
   public void test3B()
   {        
      assertAnon(new String[] {
      "import bar;",
      "/** Some comment == something + blah - 6",
      "*/",
      "class Foo",
      "{",
      "}"},

      new String[] {
      "import bar;",
      "/** #### ####### == ######### + #### - #",
      "*/",
      "class Foo",
      "{",
      "}"});     
      }
    
   
   public void test4()
   {        
      assertAnon(new String[] {
      "/* Blah */ import bar;",
      "/** Some comment",
      "*/",
      "class Foo",
      "{",
      "}"},

      new String[] {
      "/* #### */ import bar;",
      "/** #### #######",
      "*/",
      "class Foo",
      "{",
      "}"});     
      }
    
   
   public void test5()
   {        
      assertAnon(new String[] {
      "/* Blah */ import bar;",
      "/** Some comment",
      "*/",
      "Foo" 
      },

   new String[] {
   "/* #### */ import bar;",
   "/** #### #######",
   "*/",
   "Foo"});     
   }
    
   
public void test6()
   {        
   assertAnon(new String[] {
   "/* Blah */ /** Fiver */ import bar;",
   "/** Some comment",
   "*/",
   "Foo" 
   },

new String[] {
"/* #### */ /** ##### */ import bar;",
"/** #### #######",
"*/",
"Foo"});     
} 
}