Unit Testing - Reading Assignment

Blockchain Business Course
#281

Unit testing is a method by which individual units of source code are tested to determine if they are fit for use.

As such, unit tests seem to be ideal companions during refactoring, as they provide a safety net which enables to quickly verify that behaviour is indeed preserved.

Bottom-up testing is an approach to integrated testing where the lowest level components are tested first, then used to facilitate the testing of higher-level components. The process is repeated until the component at the top of the hierarchy is tested.

1 Like
#282
  1. In computer programming, “unit testing” is a method by which individual units of source code are tested to determine if they are fit for use.
  2. Unit tests find problems early in the development cycle, problems can be early detected and replaced “easily” by just replacing an unit of the program code.
  3. By working bottom-up Unit Testing can help to see how the API communicates with the code.
1 Like
#283

1.)
Unit testing is a process that allows the programmer to refactor code at a later date, and make sure the model still works correctly. The procedure is to write test cases for all functions and methods so that whenever a change causes a fault, it can be quickly identified and fixed.

2.)
Because it tests the code before deploying , eliminating the risk of disturbing its behaviour.

3.)
By testing the parts of a program first and then testing the sum of its parts.

1 Like
#284

  1. Unit testing is testing units of code so that we know whether they can be fit in use or not

  2. So firstly we need a working code before doing improvement like increasing efficiencies of the codes. Without the correct code in the beginning, we could just mess up everything in the end. We assure the code is correct after the unit testing is done if it says so.

  3. Unit testing is testing pieces of code one by one, so it is inline with bottom-up approach since we test it and making sure pieces code one by one are correct then in the end everything is much easier when we test the integration of all pieces of code.

1 Like
#285

  1. Unit Testing is a software development process in which the smallest testable parts (individual units of source code) of an application are tested to determine and ensure that the code meets its design and behaves as intended.

  2. Unit Testing is important for refactoring because, it helps the programmer to easily find problems in the development cycle, by checking whether a piece of code is still working properly when introducing a change/update to the application’s source code.

  3. Unit Testing helps the bottom-up testing approach by, first testing the parts of a program and later testing the sum of its parts. This is a more efficient and assertive way to detect possible bugs created by the changes/updates to the application.

1 Like
#286
  1. Piece of code that tests a small part(unit) of a software program.
  2. Because it ensures that tthe new updated code doesn’t produce any side effect. Providing a higher degree of confidence that all other parts of the code are stil working fine.
  3. If applied continuously, It is a way to develop software by making sure each iteration, the code you generate passes certain expectations. Therefore, the stability and quality of the software produced is higher.
1 Like
#287

  1. What is Unit Testing?
    Unit testing is method where individual parts of source code with associated control data, usage procedures, and operating procedures are tested to check whether they are working as expected.

  2. Refactoring means that you change and (hopefully) improve the internal structure of the code without changing the behaviour of the code. For example, developers may change a piece of code in order to make the code run faster but still perform the same task. Why is unit testing important for refactoring?
    Because we need to check whether the changes will result in errors which might come up in ather parts of our program.

  3. How does Unit Testing help the bottom-up testing approach?
    By testing the parts of a program first and then testing the sum of its parts.

1 Like
#288

Unit Testing :brick: :brick: :brick:

  1. What is Unit Testing?
    It’s a way of testing source code whereby it is split up into small functional units (e.g. individual functions or procedures) that will the be tested separated from their context. This is in contrast to integration testing where the interaction of all these units is important.

  2. Why is unit testing important for refactoring?
    When code is refactored each unit can be tested individually to see if it is affected by the changes.

  3. How does Unit Testing help the bottom-up testing approach?
    After individual units have been tested they can be combined to form bigger units that can be tested in the same manner.

1 Like
#289
  1. It is testing a small piece of the software.
  2. Because by chaning the code, tge developer might have changed the behaviour, we need to test that this is not the case.
  3. It gives us assurance about smaller individual pieces, which we can then rely upon when looking at the bigger picture.
1 Like
#290

  1. A method by which individual units of source code are tested to determine if they are fit for use.

  2. This ensures the code performs like i had before without any errors.

  3. By taking the measures to ensure the code has been tested at each individual stage from the beginning reduces the probability of errors from being made as progress increases.

1 Like
#291

  1. Unit testing is a method by which individual units of source code are tested to determine if they are fit for use.

  2. Unit tests will continue to accurately reflect the intended use of the executable and code in the face of any change.

  3. By testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier.

2 Likes
#292

What is Unit Testing?
Is conducted on the smallest testable part of an application known as a unit. It is a method to test which units of source code are fit for deployment.

Refactoring means that you change and (hopefully) improve the internal structure of the code without changing the behaviour of the code. For example, developers may change a piece of code in order to make the code run faster but still perform the same task. Why is unit testing important for refactoring?
Unit testing gives the programmer a way to refactor code at some time in the future and still make sure it working, known as regression testing.

How does Unit Testing help the bottom-up testing approach?
Reduces uncertainty

1 Like
#293

Reading Assignment: Unit Testing (Answers)

  1. It is method that test individual units to determine if the are fit for use.
  2. Allows programmer to refract code at a later date, making sure that module still works correctly.
  3. By testing the parts of the program first and then testing the sum of its parts.
1 Like
#294
  1. A method by which individual units of source code are tested to determine if they are fit for use. A unit test will be smallest testable part of an application.
  2. Whenever a change in the code causes a fault, it can be quickly identified and fixed using unit tests.
  3. By testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier.
1 Like
#295
  1. A method by which individual units of source code are tested to determine if they are fit for use.
  2. To check if code still works as intended.
  3. First you test the individual parts of the code and later you test all parts together. Working in this manner makes it easier to locate potential problems.
1 Like
#296

  1. What is Unit Testing?
    It is a method used to test individual units from the code , to make sure its working as
    expected.

  2. Refactoring means that you change and (hopefully) improve the internal structure of the code without changing the behaviour of the code. For example, developers may change a piece of code in order to make the code run faster but still perform the same task. Why is unit testing important for refactoring?
    Because it ensures that after refactoring the code still do what is intended to do. It is called regression testing.

  3. How does Unit Testing help the bottom-up testing approach?
    Unit testing starts by testing the smallest units of the code which functionality can be tested. Then afterwards we would be able to move higher and test bigger parts , integration between them etc…

1 Like
#297
  1. " unit testing is a method by which individual units of source code are tested to determine if they are fit for use. A unit is the smallest testable part of an application. In procedural programming a unit may be an individual function or procedure. Unit tests are created by programmers or occasionally by white box testers."
  2. “The goal of unit testing is to isolate each part of the program and show that the individual parts are correct. A unit test provides a strict, written contract that the piece of code must satisfy. As a result, it affords several benefits. Unit tests find problems early in the development cycle.”
    “In continuous unit testing environments, through the inherent practice of sustained maintenance, unit tests will continue to accurately reflect the intended use of the executable and code in the face of any change. Depending upon established development practices and unit test coverage, up-to-the-second accuracy can be maintained. In unit testing we test each the module separately.”
  3. “By testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier.”
1 Like
#298

  1. Unit testing in a computer programming refers to a method where individual units of source code are tested to determin if they are fit for use.

  2. It allows developers the ability to test sections of the refactored code to ensure it runs as expected and without errors

  3. By testing parts of the code first then the sum of its parts. This makes integration testing easier.

1 Like
#299

  1. What is Unit Testing?
    A method by which individual units of source code are tested to determine if they are fit for use. A unit is the smallest testable part of an application. Goal of unit testing is to isolate each part of the program and show that individual parts are correct.

  2. Refactoring means that you change and (hopefully) improve the internal structure of the code without changing the behaviour of the code. For example, developers may change a piece of code in order to make the code run faster but still perform the same task. Why is unit testing important for refactoring?
    Unit testing allows the programmer to refractor code at a later date, and make sure the module still works correctly ( e.g., in regression testing). The procedure is to write test cases for all function and methods so that whatever change caused the fault, it can be quickly identified and fixed.

  3. How does Unit Testing help the bottom-up testing approach?
    Unit testing may reduce uncertainty in the units themselves and can be used in a bottom-up testing style approach. By testing the parts of the program first and then testing the sum of its parts, integration testing becomes much easier.

1 Like
#300
  1. What is Unit Testing?
    Is a method by which individual units of source code are tested to determine if these units of code meet their design and behave as intended.
  2. Why is unit testing important for refactoring?
    Unit testing makes refactoring code more quicker and safer. Incase a change causes a fault, it can be quickly identified and fixed.
  3. How does Unit Testing help the bottom-up testing approach?
    Bottom-up Testing is a type of incremental integration testing approach in which testing is done by integrating or joining two or more modules by moving upward from bottom to top through control flow of architecture structure.
    By testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier.
1 Like