Answer Posted / lakshmanaraj bg

unit testing is the first test in software testing process.

In Unit Testing, Different modules are tested, against the specifications produced during design for the modules.

Unit Testing is the first level of dynamic testing and is first the responsibility of the developers and then of the testers.

Unit testing is performed after the expected test results are met or differences are explainable/acceptable.

In UNIT TESTING, we have to do the following checks
1. Field level checks.
2. Field level validation
3. User Interface check
4. Functionality check.

1. Field Level Checks:

In Field Level checks, we have to do 7 types of checks.

1. Null characters.
2. Unique characters.
3. Length
4. Number
5. Date
6. Negative values
7. Default values.

2. Field Level Validation:

Here we have to check
1. Date range check.
2. Boundary value check.

In date range check, we have to check whether the application is accepting greater than the system date or not.

In boundary value check we have to check a particular field with stand in the boundaries.

3. User interface Check:

In User Interface check, we have to check

1. Short cut keys
2. Help check
3. Tab movement check
4. Arrow key check
5. Message box check.
6. Readability of controls
7. Tool tip validations
8. Consistency with the user interface across the product.

4. Functionality checks:

Here we have to check

1. Screen functionality.
2. Functionality of buttons, computation, automatic generated results.
3. Field dependencies.
4. Functionality of buttons.

In functionality check, we have to check, whether we are able to ADD or MODIFY or DELETE or VIEW and SAVE and EXIT and other main functions in a screen.

Here we are checking whether Combo box drop down menu is coming or not.

While clicking 'save' button after entering details, checking whether it is saving or not.

While clicking 'Exit' Button should close the current window.

Automatic result generation like, for e.g. When entering date of birth, system.

In Quality Center, If we can reuse a non reusable test script as template test, then what is the need of defining reusable test scripts? What additional functionality does Reusable test scripts add when compared to non reusable test scripts?

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