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Monday, June 18, 2012

Associating Libraries vs LoadFunctionLibrary vs ExecuteFile


Associating Libraries
LoadFunctionLibrary
ExecuteFile
User needs to specify the path of library in File->Setings->Resources
Way for loading Libraries in runtime. User needs to use "LoadFunctionLibrary" statement
Way for loading Libraries in runtime. User needs to use "ExecuteFile" statement
Associated Libraries will be loaded in QTP rightaway.
Library will be loaded when QTP executes perticular statement
Library will be loaded when QTP executes perticular statement
If library not available in specified path, that will be displayed in missing resources
Library will not be displayed in Missing Resources Tab. But displays an error when executing the statement if not available
Library will not be displayed in Missing Resources Tab. But displays an error when executing the statement if not available
The functions which are there in library will be displayed in QTP Intellisence
QTP intellisence doesn't display the function or variable names after using of the "LoadFunctionLibrary" Statement
QTP intellisence doesn't display the function or variable names after using of the "ExecuteFile" Statement
Library will be displayed in Resources TAB
Library File doesn't display in Resources TAB
Library File doesn't display in Resources TAB
Functions which are there in the library will be displayed in Keywords Tab
Functions which are there in the library will not be displayed in Keywords Tab
Functions which are there in the library will not be displayed in Keywords Tab
QTP doesn't understand user defined classes from an associated library
QTP doesn't understand user defined classes from the library which got loaded using "LoadFunctionLibrary" statement
Only way to use classes in QTP. QTP understands userdefined classes when the library got loaded using "ExecuteFile" Statement
Associated Libraries will be opened on pressing of F11(Step InTo) at any functiona call
Associated Libraries will be opened on pressing of F11(Step InTo) at any functiona call
Library will not be opened in debug mode.
Associated libraries are global to the test. All actions can use the functions or variables of associated libraries
It has local scope. Only the action in which this statement got executed can use this.
It has local scope. Only the action in which this statement got executed can use this.
Accepts Relative and absolute Paths
Accepts Relative and absolute Paths
Accepts Relative and absolute Paths

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11 comments :

  1. Replies
    1. Your grid was helpful in many ways. I especially appreciate knowing that QTP will not recognize classes in the .vbs file.

      Thanks,

      Kevin

      Delete
  2. Kevin.. QTP will recognize classes in .VBS file only, not from function libraries..

    ReplyDelete
  3. Kevin... QTP will recognize classes from VBS file only ..not from function libraries.

    ReplyDelete
  4. Excellent blog

    ReplyDelete
  5. Excelleng blog.
    I want to know will it makes a difference in terms of resource utilization. Usually we associate library to a test because of which it takes almost 30 secs for any test to start execution. Will it make a difference in terms of time if we use LoadFunctionLibrary ?

    ReplyDelete
    Replies
    1. No difference. LoadFunctionLibrary is just to load libraries in run time. The delay depends on the code in library.

      Delete
  6. QTP will recognize classes in both .vbs and .qfl files. But we need to use the executefile statement to load the libraries

    ReplyDelete
  7. We can use .vbs, .txt, .qfl files as libraries. QTP will find classes only when you load above files using executefile statement.

    ReplyDelete