Explain about Test Data,Test Script and Metric Reports?

Question Asked By: Shridhar 
Test Data: Test data is the data that is used in tests of a software system.
In order to test a software application you need to enter some data for testing most of the features. Any such specifically identified data which is used in tests is known as test data.
You can have test data in excel sheet which can be entered manually while executing test cases or it can be read automatically from files (XML, Flat Files, Database etc.) by automation tools.

Some test data is used to confirm the expected result, i.e. When test data is entered the expected result should come and some test data is used to verify the software behavior to invalid input data.
Test data is generated by testers or by automation tools which support testing. Most of the times in regression testing the test data is re-used, it is always a good practice to verify the test data before re-using it in any kind of test.

Test Script: A test script in software testing is a set of instructions that will be performed on the system under test to test that the system functions as expected.
There are various means for executing test scripts.
Manual testing: These are more commonly called test cases.
Automated testing: Short program written in a programming language used to test part of the functionality of a software system. Test scripts written as a short program can either be written using a special automated functional GUI test tool (such as QTP, Selenium and Test Complete etc..) or in a well-known programming language (such as C++, C#, Java, PHP, Perl etc..).

Metric Reports: Metric reports return statistical data and metrics about the Workspace, rather than returning specific Issue data.  Output options include HTML Text, Graphical, and Text File Export.  The information returned by these reports can help you measure how well your organization performs and where improvement is needed.

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