Forum Discussion

bduncan's avatar
bduncan
Contributor
15 years ago

Understanding Object Comparisons

I have started experimenting with Objects in TestComplete 7 and I'm having some difficulty understanding how the comparison is supposed to work. For example, my (open) application has a form with a pa...
Dmitry_Nikolaev's avatar
Dmitry_Nikolaev
Staff
15 years ago
Hi Bill,




I have registered your request as a suggestion to show all differences in a report. In the meantime, I can suggest that you use the below custom comparison script:




[JScript]

...

  var obj = // Obtain the target application object

  var storedObj = Objects.StoredObject("MyStoredObj");




  Log.Message(CompareObjects(obj, storedObj, ""));

...




function CompareObjects(obj, storedObj, excludedProps) 

{

  var prop, child, storedChild;

  var ret = true;

  var errorStr = "";

    

  for(var i = 0; i < storedObj.PropertyCount; i++)

  {

    prop = storedObj.Properties(i);

    if(excludedProps.indexOf(prop.Name) > -1) continue;

    if(!IsSupported(obj, prop.Name))

    {

      ret = false;

      errorStr += "Object doesn't support the '" + prop.Name + "' property\r\n";

    }

    if(!CompareStrings(obj[prop.Name].toString(), prop.Value.toString()))

    {

      ret = false;

      errorStr += "Property value mismatch (" + prop.Name + "):\r\n\tStored value = " + prop.Value.toString() + "\r\n\tActual value = " + obj[prop.Name].toString() + "\r\n";

    }

  }

  

  for(var i = 0; i < storedObj.ChildCount; i++)

  {

    storedChild = storedObj.Children(i);

    child = obj.FindChild("Name", storedChild.Name); 

    if(!child) ret = false;

    

    ret = CompareObjects(child, storedChild, excludedProps);

  }

  

  if(!ret) Log.Error("Objects are not identical", errorStr);

  

  return ret;

}




function CompareStrings(str, pattern)

{

  pattern = StringReplace(pattern, "\\", "\\\\", 1);

  pattern = StringReplace(pattern, ".", "\\.", 1);

  pattern = StringReplace(pattern, "(", "\\(", 1);

  pattern = StringReplace(pattern, ")", "\\)", 1);

  pattern = StringReplace(pattern, "[", "\\[", 1);

  pattern = StringReplace(pattern, "]", "\\]", 1);

  pattern = StringReplace(pattern, "*", ".*", 1);

  pattern = StringReplace(pattern, "?", ".?", 1);

  

  var re = new RegExp("^" + pattern + "$");

  return re.test(str);

}