Test information is the information which nosotros purpose land testing. The information nosotros purpose to give inward arrangement land doing the testing is called attempt data. Selecting the attempt information is really of import activity. Mostly for positive flow, tester should purpose the information which would hold out used inward alive production environment. So this helps to capture the bugs which may arises due to the data. Most of the bugs are related to the data, hateful when nosotros give the input information to the software, it produces the output inward the shape of roughly data, nosotros verify the output information as well as compares it alongside the expected data.
Take the instance of search box, run into when nosotros piece of job into the content which nosotros called equally attempt data, for that arrangement volition make the output which nosotros called output data, hither from higher upwards icon y'all tin run into that for attempt information arrangement produced the output which nosotros called equally output data.
In attempt cases nosotros write the actual as well as expected result, hateful when nosotros supply detail information to system, hence arrangement should supply the expected output.
Test information tin hold out created earlier the attempt execution or nosotros tin practice the attempt information land testing also, it’s totally depends on the situation. Mostly attempt information is created earlier the attempt execution equally at that spot is activities similar attempt scenario creation, attempt cases creation as well as hence attempt information creation. For all scenarios, its non mandatory that nosotros should accept attempt data, at that spot powerfulness hold out roughly province of affairs where attempt information is non needed or can’t hold out created.
Test information should too include roughly invalid data, this is to attempt that how arrangement would reply such a invalid attempt data, arrangement should grip it without breaking. So it is of import to include the invalid attempt information also. Some fourth dimension when arrangement is subjected to the invalid data, arrangement larn crashed. Example of invalid information is, for login putting invalid user name, for mobile publish attempt box, invalid information would hold out entering the negative number, graphic symbol etc. attempt information should hold out plenty as well as should comprise whole range, hither whole attain way it should encompass all possible data. For example, nosotros tin recollect almost ecommerce site where user tin buy the goods but what is the upper confine for user for purchasing the goods? Is it one lakh or two lakh or one crore or 10 crore, which total is out of the attain etc. things should hold out considered properly.
We tin supply the attempt information to arrangement past times its UI or may whatever external files (excel, doc, csv etc.), or past times using the database. Similarly arrangement tin generate output information on UI or inward excel file etc. attempt information is really of import is testing, it require to hold out selected accurate.