Question :
What are the approaches of integration testing?
Subject
Software Engineering
Standard
Computer Science Engineering
Views
654
Asked By
Knowledge
Seema
Answer / Solution
Answer / Solution
There are several approaches to integration testing, each with its own advantages and disadvantages. The most common approaches are:
Top-down integration testing
In top-down integration testing, the tester starts with the highest-level modules and works their way down to the lowest-level modules. This approach is often used when the modules are tightly coupled, as it allows the tester to focus on the most important modules first. However, it can be difficult to test the lower-level modules if the higher-level modules are not yet complete.
Bottom-up integration testing
In bottom-up integration testing, the tester starts with the lowest-level modules and works their way up to the highest-level modules. This approach is often used when the modules are loosely coupled, as it allows the tester to focus on the most complex modules first. However, it can be difficult to test the higher-level modules if the lower-level modules are not yet complete.
Incremental integration testing
In incremental integration testing, the tester integrates modules one at a time. This approach is often used when the modules are of varying complexity, as it allows the tester to focus on the most complex modules first. It can also be used to test modules that are not yet complete, as the tester can use stubs and drivers to simulate the missing modules.
Hybrid integration testing
In hybrid integration testing, the tester uses a combination of the top-down, bottom-up, and incremental approaches. This approach is often used when the modules are of varying complexity and are tightly coupled. It can also be used to test modules that are not yet complete, as the tester can use stubs and drivers to simulate the missing modules.
The best approach to integration testing will vary depending on the specific project. However, all of the approaches mentioned above can be effective when used correctly.
Here are some additional tips for integration testing:
- Create a test plan. The test plan should document the modules that will be tested, the test cases that will be used, and the expected results.
- Use stubs and drivers. Stubs and drivers are temporary modules that can be used to simulate the missing modules. This can be helpful when testing modules that are not yet complete.
- Use a variety of test data. Test data should be varied enough to test all of the possible scenarios.
- Automate the test cases. Automated test cases can be executed quickly and repeatedly, which can help to improve the efficiency of the testing process.
- Track the results of the tests. The results of the tests should be tracked so that any defects can be identified and fixed.
Integration testing is an important part of the software development process. It helps to ensure that the modules work together correctly and that the software meets the requirements. By following the tips above, you can improve the effectiveness of your integration testing.
Deepak
Answer / Solution
Answer / Solution
There are three main approaches to integration testing:
- Top-down integration testing: This approach starts with the highest level modules and works its way down to the lowest level modules. The top-down approach is often used when the modules are highly interdependent.
- Bottom-up integration testing: This approach starts with the lowest level modules and works its way up to the highest level modules. The bottom-up approach is often used when the modules are loosely coupled.
- Incremental integration testing: This approach combines the top-down and bottom-up approaches. Incremental integration testing is often used when the modules are of varying levels of complexity.
The most appropriate approach to integration testing will depend on the specific software application being developed.
Here are some of the benefits of integration testing:
- Finds defects early: Integration testing finds defects early in the development process, when they are easier and less expensive to fix.
- Improves quality: Integration testing helps to improve the quality of the software by ensuring that the modules work together as expected.
- Increases confidence: Integration testing increases confidence in the software by ensuring that it meets the requirements.
Here are some of the challenges of integration testing:
- Complexity: Integration testing can be complex, especially for large software applications.
- Time: Integration testing can take time, especially for large software applications.
- Resources: Integration testing requires resources, such as testers and test data.
Despite the challenges, integration testing is an important part of the software development process. It helps to ensure that the software is of high quality and meets the requirements.
Top Trending Questions
- 9284 Views Thomson’s model of an atom, explain how the atom is neutral as a whole.
- 5286 Views What are the main characteristics of peer to peer systems?
- 4825 Views Draw a plot of α-particle scattering by a thin foil of gold to show the variation of the number of the scattered particles with scattering angle.
- 3843 Views Difference between Synchronous and Asynchronous Transmission
- 3651 Views Explain protocols in details.
- 3625 Views Explain advantages and disadvantages of mobile computing.
- 3453 Views Differentiate between homogeneous and heterogeneous mixtures with examples
- 3238 Views Define olfactory indicators. Name two subtances which can be used as olfactory indicator
- 3209 Views Properties of the Real Number System
- 3072 Views The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.
- 2914 Views What is the difference between interactive mode and script mode in Python?
- 2868 Views What are canal rays? Why anode rays are called canal rays. Mention two postulates of J.J. Thomsons Model
- 2860 Views Different Data Mining Tools in details
- 2842 Views Write advantages and disadvantages of Hierarchical Data Model
- 2787 Views Explain various Access Modifiers in Java
- 2757 Views How do you download files using ftp?
- 2725 Views What type of information is provided by MIS and DSS?
- 2687 Views Adaptability and adaption in mobile computing.
- 2669 Views What is animation? How are animated video clips generated? Also, What are the applications of computer graphics?
- 2664 Views What is ftp? How do you use ftp?
- 2659 Views What do you mean by data archiving?
- 2647 Views What is a text-to-speech system? What are its applications?
- 2630 Views What Is data mining? What is the role of data archiving in data mining?
- 2617 Views What is a mainframe? What are the good and bad characteristics of a mainframe?
- 2616 Views What type of creative works are given copyright? What is the period of a copyright?
- 2615 Views What is a recordable CDROM? How does it work?
- 2596 Views Ramkali saved Rs 5 in the first week of a year and then increased her weekly saving by Rs 1.75. If in the nth week, fher weekly savings become Rs 20.75, find n.
- 2577 Views Where is the Sahara desert located?
- 2573 Views Explain the design steps of the transform mapping.
- 2548 Views What is speech recognition? What are its applications?
- 2532 Views What do you understand by aerodynamically floating head?
- 2453 Views What is voice mail? What are the advantages and disadvantages of voice mail?
- 2452 Views Explain different types of Data Mining Techniques.
- 2443 Views What is the basic difference between transaction processing system and MIS?
- 2434 Views Write the distribution of electrons in carbon and sodium atoms
- 2430 Views What is the difference between transaction processing and on-line transaction processing
- 2397 Views What Are the Different Types of Machine Learning?
- 2387 Views Necessary conditions for autotrophic nutrition
- 2364 Views What is a DVDROM? What is its typical capacity?
- 2362 Views Write first four terms of the A.P. when the first term a and the common difference d are given as follows
- 2330 Views How do you ensure information integrity?
- 2319 Views 60 percent of the students in a school are girls, If the total number of girls in the school is 690
- 2316 Views Naresh earns 30800 per month. He keeps 50% for household expenses. what he save per month
- 2293 Views When will you say a body is in Uniform acceleration and non-uniform acceleration?
- 2288 Views Explain Atomic number, Mass number, Isotopes and Isobars with some examples. Also give any two uses of isotopes.
- 2288 Views A sum of Rs 700 is to be used to give seven cash prizes to students of a school for their overall academic performance. If each prize is Rs 20 less than its preceding prize, find the value of each of the prizes.
- 2280 Views How are water and minerals transported in plants?
- 2274 Views What does an Electrical Circuit Mean, Electrical Current and its units.
- 2253 Views What is telnet? How is it used?
- 2228 Views What is SRS? Why is it important? How does one arrive at a SRS?
- 2227 Views The houses of a row are numbered consecutively from 1 to 49. Show that there is a value of x such that the sum of the numbers of the houses preceding the house numbered x is equal to the sum of the numbers of the houses following it. Find this value of x. [Hint : Sx-1 = S49 – Sx ]
- 2217 Views What are the factors which influence the adsorption of a gas on a solid?
- 2209 Views What is feasibility analysis? How is it used?
- 2206 Views Write a note on civilizing mission of the colonisers and Huynh Phu So
- 2203 Views Which term of the AP: 21, 18, 15, . . . is – 81? Also, is any term 0? Give reason for your answer.
- 2190 Views Explain the inference rules for functional dependencies in DBMS
- 2180 Views Calculate the molecular masses of the following elements, Hydrogen, Oxygen, Chlorine, Carbon Di Oxide
- 2164 Views 1500 families with two children are selected randomly according to the data given. Compute the probability of a family, chosen
- 2159 Views Why did James Mill and Thomas Macaulay think that European education was essential in India?
- 2157 Views What are the activities carried out during system implementation phase?
- 2155 Views What is the role of desorption in the process of catalysis?
- 2151 Views What is rational number
- 2138 Views Define parallel connection and series connection?
- 2133 Views Explain in detail about Tableau in data visualization?
- 2123 Views Nested Loops in C
- 2105 Views What are the different parts of a URL? Explain the purpose of each part
- 2104 Views Explain how data mining may be used by a State Road Transport Corporation
- 2095 Views How will you find the valency of chlorine, sulphur and magnesium?
- 2081 Views What’s the difference between a generative and discriminative model?
- 2079 Views Class 8 Quiz MCQ Basic Questions
- 2078 Views The sum of the third and the seventh terms of an AP is 6 and their product is 8. Find the sum of the first sixteen terms of the AP.
- 2071 Views What rights does copyright give to the owner of the copyright?
- 2059 Views Describe the ideas behind the Tonkin Free School. To what extent was it a typical example of colonial ideas in Vietnam.
- 2050 Views What are polyatomic ions? Give examples?
- 2031 Views A long solenoid with 15 turns per cm has a small loop of area 2 cubic cm placed inside the solenoid to its axis.
- 2009 Views looping structure in python
- 1990 Views Which gas is usually liberated when an acid reacts with a metal?
- 1989 Views What is meant by Intellectual Property Rights (IPRs)?
- 1980 Views In a cricket match, a batsman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary.
- 1966 Views Connect python to mysql database
- 1960 Views What is open source software? List some open source software.
- 1943 Views 2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboids.
- 1935 Views Difference between Artificial intelligence and Machine learning
- 1918 Views How is our atmosphere different from the atmospheres on Venus and Mars?
- 1913 Views What is system evaluation? Why is it required?
- 1886 Views What is the syntax of Java Inheritance? Explain with example.
- 1867 Views Distinguish between speed and velocity.
- 1859 Views What is data Mining.
- 1853 Views If the sum of the first n terms of an AP is 4n − n2, what is the first term (that is S1)? What is the sum of first two terms?
- 1834 Views What is a Trojan? In what way is it different from a virus? How do you remove a Trojan from your PC?
- 1833 Views Explain why, when a motorcar makes a sharp turn at a high speed, we tend to get thrown to one side.
- 1822 Views What is Internet telephony? In what way is it different from Internet radio?
- 1808 Views What is a mobile computing?
- 1797 Views What is Internet radio? What are the advantages and disadvantages of Internet radio.
- 1744 Views Distinguish between the meaning of the terms adsorption and absorption. Give one example of each.
-
1736 Views
Check whether the following is quadratic equation:
(x + 1)2 = 2(x – 3) - 1728 Views How soil is formed?
- 1716 Views What is Inheritance in Java? Explain.
- 1704 Views feature of mobile computing
- 1699 Views Why did a major protest erupt in 1926 in the Saigon Native Girls School in Vietnam ? Explain.
- 1696 Views What is a computer virus? How does it infect computer systems?
- 1693 Views What is vector graphics? Where are vector graphics used?
- 1677 Views To counter the Chinese influence what steps did the French take in the sphere of education?
- 1676 Views Achievements of the Hindustan socialist Republican Association
- 1668 Views How do you know that your PC has been infected by a virus? If it is infected. how do you remove the infection?
- 1665 Views What is the difference between MIS and DSS?
- 1660 Views The sum of 4th and 8th terms of an A.P. is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of the A.P.
- 1659 Views What is plagiarism? Is copyright violation a criminal offence?
- 1651 Views Types of data in mobile computing
- 1632 Views What is a thin client? Why are thin clients preferred in certain applications?
- 1627 Views What are the three types of intellectual property? What kind of rights does IPR on computer software normally give?
- 1619 Views Give an example of client-server computing
- 1593 Views Shweta obtained 18 marks in a test of 25 marks. What was her percentage of marks
- 1590 Views What are the various elements of data design?
- 1588 Views What is mathematics
- 1586 Views Data Mining History
- 1583 Views Two spherical bobs, one metallic and the other of glass, of the same size are allowed to fall freely from the same height above the ground
- 1579 Views What is data security? What is the difference between data privacy and security?
- 1574 Views How do you ensure security of your database?
- 1571 Views What is information integrity? How is it different from data security?
