Unit Testing - Reading Assignment

Blockchain Business Course
#341

  1. What is Unit Testing?
    Unit testing is to test the smallest part of the software to make sure that the components 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?
    it allows to test only one smart piece and change if needed

  3. How does Unit Testing help the bottom-up testing approach?
    by testing the parts first and than the sum of all. makes it easier to find errors in the code and redo the smaller parts

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#342

1.) What is Unit Testing?
A.) unit testing is a software testing method by which individual units of source code—sets of one or more computer program modules together with associated control data, usage procedures, and operating procedures—are tested to determine whether they are fit for purpose.

2.) Refactoring means that you change and (hopefully) improve the internal structure of the code without changing the
3.) 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?

A.) Unit Testing is the software testing technique where a group of software program components or modules are tested individually. This technique effectively helps in validating the accuracy of a section of code by considering stubs, mock objects, drivers, and unit testing frameworks.

4.) How does Unit Testing help the bottom-up testing approach?
A.) In Bottom Up Integration Testing, testing takes place from bottom to up. Lowest level modules are tested first and then high-level modules and finally integrating the high-level modules to a low level to ensure the system is working as intended. Drivers are used as a temporary module for integration testing.

BOTTOM-UP TESTING.

bottom_up_testing_05.01.21
The order of Integration by Bottom-down approach will be:

4,2

5,2

6,3

7,3

2,1

3,1

:nerd_face:

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#343

  1. What is Unit Testing?
    A method examining whether individual units of source code are usable and free of bugs. A unit is the smallest testable part of an application.

  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 facilitates refactoring at a later stage in the testing process and the deployment of readily available unit tests allows programmers to rapidly identify and fix faults caused by changes in the code base.

  3. How does Unit Testing help the bottom-up testing approach?
    As it instills confidence in the fitness for use of individual units, making integration testing easier.

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#344

  1. What is Unit Testing?
    Unit testing is the process of taking the smallest part of a code and checking it to ensure that it is functonjng as intended.

  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 developers to test small portions of code to ensure that changes or that the portion of codd functions as intended and does not produce a “bug” in the code.

  3. How does Unit Testing help the bottom-up testing approach?
    Bottom-up testing refers to a middle phase in software testing that involves taking integrated code units and testing them together, before testing an entire system or code base. Unit testing aids this process by testing the smallest part of the code during bottom up testing.

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#345

  1. What is Unit Testing?
    Unit testing is process of writing and running code that test individual parts of an application to ensure the application behaves correctly.

  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 unit testing checks that the output of the methods or function is still correct after the change. If the refactoring causes a change in the behavior then unit testing can catch it.

  3. How does Unit Testing help the bottom-up testing approach?
    It helps by allowing each individual part of the application to be tested automatically and independently and then allows to test application as sum of its parts.

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#346
  1. What is Unit Testing?

And application that tests for expected output of a component of an application’s Software in development.

  1. 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?

To ensure that existing or proposing changes that one is not breaking - as in introducing bugs in –the Unit or overall software being tested

  1. How does Unit Testing help the bottom-up testing approach?

Testing a software’s single component for a desired output facilitates a much easier Integrated Software testing process for interacting units desired outcome - stands to reason that more component pairs or greater combination of Units are testing as a whole, the farther from finding the souorce offending error or module or location of the error

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#347
  1. What is Unit Testing?
    Unit testing is a method by which individual units of source code are tested to determine if they are fit for use.
  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?
    The fact that the code changed is “dangerous” something might have gone wrong, so a unit testing is necessary to make sure the code is still running perfectly with the changes!
  3. How does Unit Testing help the bottom-up testing approach?
    We will firstly test one component of the code, then an other component, then an other etc… at the end we will sum them up and see if they work or not.
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#348
  1. What is Unit Testing?
  • It is a method to test the function of small individual units of code.
  1. 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 is important to see and make sure that the code still perform with no unsuspected errors.

3.How does Unit Testing help the bottom-up testing approach?

  • It reduces uncertainty. You test all the parts separately, from the the bottom so that they are
    performing the way you expected. Then you work your way up to test the sum of the program.
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#349
  1. unit testing is a method by which individual units of source code are tested to determine if they are fit for use.
  2. make sure the module still works correctly (e.g., in regression testing). 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.
  3. 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 a program first and then testing the sum of its parts, integration testing becomes much easier.
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#350
  1. Unit Testing - method by which individual units of source code are tested to determine if they are fit for use

2.To ensure that the behavior of the code has not been change, generally. Implementation quality as well as security.

3.testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier. In a sense “working backwards” to check your work. Much like Mathematics

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#351

  1. This 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.

  2. Unit testing allows the programmer to refactor code at a later date, and make sure the module still works correctly.

  3. Unit testing may reduce uncertainty in the units themselves. By testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier

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#352
  1. What is Unit Testing?
    unit testing is a method by which individual units of source code are tested to determine if they are fit for use
  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 refactor code at a later date, and make sure the module still works correctly (e.g., in regression testing). Readily-available unit tests make it easy for the programmer to check for bugs immediately after refactoring as well.
  3. How does Unit Testing help the bottom-up testing approach?
    Since a unit is the smallest testable part of an application, by testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier
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#353
  1. individual units of sources code that are tested to find out if they are good or not.
  2. to make sure the module still works correctly, also to write test cases for all functions and methods so that whenever a change causes a fault, it can be quickly identified and fixed.
  3. because testing the parts of a program first and then testing the sum of its parts, integration testing becomes much easier.
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#354

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.

Because you can make sure the code still works after making changes to it.

As a developer you know what you want the code to achieve so you build tests first & before you build the application. This way you can ensure that the application is free from bugs/ it works. Following the “do the simplest thing that could possibly work” practice, the easiest solution that will make the test pass is shown below.

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#355
  1. What is Unit Testing?
    A: A method to test individual units (individual functions or procedures) of source code to determine if they are fit for use…
  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?
    A: It helps facilitate change and whenever a change causes a fault, it can be quickly identified and fixed.
  3. How does Unit Testing help the bottom-up testing approach?
    A: It simplifies integration by first testing the parts of a program and then testing the sum of those parts. Doing this makes the integration easier.
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#356
  1. smallest testable part of an application
  2. because unit testing is about testing an individual function or procedure , this makes it the right choice for refactoring where developers want to change just a piece of code
  3. when testing the parts of a program first and then testing the sum of the parts
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#357

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

  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?
    Like this, small changes can be changed and tested in a very effective manner.

  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, integration testing becomes much easier.

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#358
  1. It is testing one part of the applications code to ensure that it is running without bugs and as intended.
  2. When rewriting code it is very easy for another part of the application to stop working. Unit testing allows the developer to reduce those issues by allowing the developer to find any potential issues.
  3. If first you test the various parts of an application and then test the whole of the application developers are verifying from the bottom up that their code functions as intended.
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#359

A way to make sure the code outputs its expected result.

It makes sure that the code is running correctly and prevents errors and bug from happening.

Allows for easier integration of code yet still allows an application to work properly.

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#360
  1. **What is Unit Testing?
  • testing the code and determine if the code is usable
  • unit testing is the smallest and easiest way to test the functionality of a single unit
  1. **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?
  • it does not affect the whole structure and its functionality; the rest of the code kept as same
  • unit testing is the smallest and easiest way to test the functionality of a single unit
  1. **How does Unit Testing help the bottom-up testing approach?
  • it makes the whole process faster when testing in small units
  • easier to find and fix errors and low functioning code/events
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