Hi everyone! today we learn about Module Testing In Flutter. Module testing is a type of software testing where individual units or components of the software are tested.
The purpose of module testing is to isolate a section of code and verify its correctness. Module testing is usually performed by the development team during the early stages of software development.
Table Of Contents::
Example Tips for Module Testing
Unit Testing vs Module Testing
What is Module Testing?
Module testing is defined as a software testing type, which checks individual subprograms, subroutines, classes, or procedures in a program. Instead of testing the whole software program at once, module testing recommends testing the smaller building blocks of the program.
Module testing is largely white-box oriented. The objective of doing Module, testing is not to demonstrate the proper functioning of the module but to demonstrate the presence of an error in the module.
Module-level testing allows to implementation of parallelism into the testing process by allowing the testing of multiple modules simultaneously.
Why does Module Testing:
Module Testing is recommended because
- The probability of identifying errors or bugs in smaller chunks of the program becomes higher
- Multiple modules can be tested simultaneously and hence supports parallel testing
- The complexity of testing can be easily managed
How to do Module Testing?
- For Module Testing, designing a Test Case is an important segment. While designing test cases for a module test, a tester has to consider two things.
- Specification for the module
- The module’s source code
- Analyze the module’s logic by using one or more of the white box methods, and then supplement these test cases by applying black box methods to the modules specification
- Once the test case is designed, the next step is to combine the module for testing. For this, the method used is either an Incremental or non-Incremental method.
- Non-incremental method- all modules are tested independently. First, it combines all modules and then tests the whole program
- Incremental method- each module is tested first and then gradually incremented to the tested collection. It does a step-wise retesting
- In incremental Testing, there are two approaches — Top down and Bottom Up Testing
- Execute the module with the selected data, requires a driver for supplying the test data, monitoring the execution, and capturing the results
Example Tips for Module Testing:
Here are a few tips to consider before performing Module Testing
- Review test cases before using
- Avoid confusion over the source of discrepancies
- Use Automated Test tools
- Examine variables that should be unchanged
- To avoid self-tests swap modules
- Re-use the test cases
Unit Testing vs Module Testing:
> Unit Testing:
- Unit tests are a collection of tests written by a developer during the software development process
- might be testing units in isolation
> Module Testing:
- Module tests are a collection of tests written by a tester after some code has been written by a developer
- Module testing might involve combining the unit’s test
Challenges in Module Testing:
So here we go with the top challenges in Module Testing
- Non-incremental testing requires more work
- Misunderstanding test doubles
- Debugging test often
- Need to understand the code
Conclusion:
- In Software Engineering, Module testing (unit testing) is a process of testing the individual subprograms, subroutines, classes, or procedures in a program
- The advantage of Module testing is that the probability of identifying errors or bugs in smaller chunks of the program becomes higher
- For module testing method used is either an Incremental or non-Incremental method.
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