Integration Testing - Reading Assignment

[BradCook]

Integration Testing:

Why do we write integration tests?

Answer:To test the components working together

What problems do integration tests solve?

Answer: Problems with how units work together.

What are the differences between top-down and bottom-up approaches?

Answer: Top-down starts with high level functions, or user scenarios. Bottom-up integration testing begins with individual modules, then combinations of modules.

[Nida_Wilson]

1. We write integration tests to make sure that major parts of a system work well together. To discover any issues with the code before hand. It gives more confidence in the code that is written, in addition, it increases productivity during all stages of development.
2. Integration test solve the errors related to the interface between modules. Faults in the interaction between integrated units. It solve the defects in the interfaces.
3. Top-down approaches begins with high level design and ends with low level design. Function is written first and all sub function are called from main function then sub function are written based on the requirement. It focuses on breaking down a big problems.
   Bottom-up code is developed for modules and then these modules are integrated with main function. Implements the modules that provide specific functionality first and then integrates them by implementing the more general modules.

[Uyan]

1. We write integration tests to allow us to test the functionality of interfaces between units of code.

2. Integration tests solve problems among interfaces. Unit testing may verify individual component functionality, but there may be hidden problems and/or errors when those units work together.

3. A top-down testing approach starts with integration testing and ends with unit testing.
   A bottom-up testing approach starts with unit testing and ends with integration testing. This approach is usually more comprehensive than a top-down approach.

[Scores24]

1. We want functionality among backend code and front end design, we want to make sure all parts are working together.
2. They find errors on user interface, Testing to see if all things work together and seperate when necessary.
3. The bottom up process begins with unit testing followed by higher level tests of combinations of units. In top down integration testing, the highest-level builds are tested first and then lower-level builds are tested last.

[abbateslam]

1. Why do we write integration tests?
   To test all the code in our programs, to discover any issues before we go live.

2. What problems do integration tests solve?
   To show problems with the different interfaces.

3. What are the differences between top-down and bottom-down approaches?
   Top down starts with the highest level modules. Bottom down starts with unit testing and works up.

[itraben]

1. Because we want to test all the interfaces that link each component together.
2. Integration tests find errors within the total program. They test each individual part of the program as well as all of the pieces together. Integration testing should be a simulation of the real-world use -case of the application.
3. Top-down starts testing at the highest levels of the application and works down all the way to each individual unit-test. Meanwhile bottom-up starts at each individual unit-test and makes its way to the overall application.

[Marcelle]

1. Because testing different combination of units in different ways, the process can expose problems with components before they occur
2. They solve programme problems that can occur in the the real world operation of the application
3. Top down: test the highest level components are tested first, and then the smaller, lower level individual units last. Bottom-up works the other way around. Normally bottom-up is done first.

[PjRetail]

1. Integration testing is conducted to evaluate the compliance of a system or component with specified requirements.
2. Find the errors during the use or application. Check all components can work together.
3. Top-down starts high level functional test cases, or user scenarios. Bottom-up integration testing begins with unit testing, followed by tests of of progressively higher-level combinations of units called modules or builds.

[GusNotFring]

1.Why do we write integration tests?
To combine program units so that they can be tested as groups in multiple ways.

2.What problems do integration tests solve?
They can expose interface problems among program components before they occur in real-world execution.

3.What are the differences between top-down and bottom-down approaches?
Bottom-up integration testing: unit testing first, then tests of progressively higher-level combinations of units (modules/builds).

Top-down integration testing: highest-level modules tested first, then tests of progressively lower-level modules.

For large and complex types of projects, bottom-up testing is usually done first, followed by top-down testing.

[Albert]

1. As a software development process, allowsprogram units are combined and tested as groups in multiple ways

2. To expose and solve problems with the intefaces among program components before trouble occurs in real-world program execution.

3. Bottom-up testing is usually done first, followed by top-down testing
   Bottom-up integration testing begins with unit testing, followed by tests of of progressively levels. Top-down integration testing, the highest-level modules are tested first and progressively lower-level modules are tested after that.

[cryptophile]

1. Integration tests are written to test the interaction between software components and expose issues prior to real world testing.

2. Integration testing aims to highlight problems in the interaction between different software components and that following any changes to the system that the various modules “play well” together.

3. The top-down process tests the overall functionality of the product first and then moves down eventually to the individual units. Conversely the bottom-up process starts with individual units working upwards to testing the products overall functions.

[Cryptomaxi]

Why do we write integration tests?
To holistically test all programs in a structured manner, bottom up first or top down or both.
2. What problems do integration tests solve?
To expose problems with the interfaces between components prior to formal release of your application.
3. What are the differences between top-down and bottom-up approaches?
Top-down takes the highest-level program first. Bottom-up takes the lower-level program first.
Bottom up is the recommended approarch 99 percent of the time.

[CasNWK]

1. Why do we write integration tests?
   => to test individual functions and their combinations in multiple ways.
2. What problems do integration tests solve?
   => It can expose problems with the interfaces between code components before it goes live in the real world.
3. What are the differences between top-down and bottom-down approaches?
   => top-down tests first the smallest pieces of code and then combinations, where bottom-down tests first larger code levels and ends with testing of the smallest parts.

[confusius]

Integration testing, also known as integration and testing, is a software development process which program units are combined and tested as groups in multiple ways. Integration testing can expose problems with the interface among program components before trouble occurs in real-world program execution.

An unexpected interaction between programming functions.

Top-down are larger sections, then smaller sections of code. Bottom-up is small parts, then larger parts.

[Cobrati21]

• Why do we write integration tests?
  Integration testing allows the developer to test a code as a whole to identify any issues that may arise when the different modules are put together.

• What problems do integration tests solve?
  The type of problems that integration testing will identify are specific to problems that arise in the relationship between to or more modules being connected in the manner they are designed to be.

• What are the differences between top-down and bottom-down approaches?
  Top Down and Bottom up are types, or approaches, to integration testing.
  In conducting a Top Down test you are testing each module from the start, or initiation of the sequence, by design, ascertaining that the code is working properly through the intended process to ensure expected results.
  In conducting a Bottom Up test you are testing from an expected result, or results, to the beginning, or initiation of a code.
  Both approaches have their advantages and disadvantages.

[Dutch]

@ivan

• Why do we write integration tests?
• What problems do integration tests solve?
• What are the differences between top-down and bottom-down approaches?

1. Integration testing can expose problems with the interfaces among program components before trouble occurs in real-world program execution.

2. They identify problems with the way different program components interact with each other.

3. Bottom-up integration testing begins with unit testing, followed by tests of progressively higher-level combinations of units called modules or builds.

   In top-down integration testing, the highest-level modules are tested first and progressively lower-level modules are tested after that.

[Blacswordsman]

1.) Because we want to test all the code that makes up the application and also all the interefaces linking all the components together.

2.)
Integration tests find errors that occur during the complete us of an application. They test whether all the subsystems and interfaces are working individually and together without producing errors. Integration testing should be simulating real world use of a an application.

3.)Top-down starts testing at higher levels of the software and then tests progressively lower and lower levels of the code. Bottom-up starts at the bottom or lower level components and works its way up. This is unit testing and should be performed first, before going the top - down approach, to make sure that each component works, Otherwise, it might be difficult to tell what is causing the problem.

[klby]

1. Integration tests are needed so because a program works using all of the codes inside it and the codes are somehow integrated to each other. So testing how they relate and whether they perform like what the programmers want is important.

2. It solves the problem with the interfaces among program components

3. In bottom-down approaches, units are tested first then higher level like modules are tested later. While top-down approach is exactly the opposite of bottom-down approaches.

[raul782]

1. To ensure the whole system under test works as expected
2. It helps to identify any issues in the interaction between the different components of the system.
3. Top down starts testing the system from the out layer of the program, while bottom up starts from the components and move testing upwards

[spongetti]

1. Why do we write integration tests?
   Because we need program units should be testes combined as groups in multiple ways

2. What problems do integration tests solve?
   It can expose problems with the interfaces among program components before trouble occurs in real-world program execution.

3. What are the differences between top-down and bottom-down approaches?
   Bottom-up integration testing begins with unit testing followed by tests of progressively higher-level combinations of units called modules or builds.
   In top-down integration testing, the highest-level modules are tested first and progressively lower-level modules are tested after that.