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Bitte aktiviere JavaScript! Por favor,activa el JavaScript! Home Asp. It is mostly used to identify any bottlenecks or performance issues rather than finding bugs in a software. Performance testing can be either qualitative or quantitative and can be divided into different sub-types such as Load testing and Stress testing.
It is a process of testing the behavior of a software by applying maximum load in terms of software accessing and manipulating large input data. It can be done at both normal and peak load conditions. This type of testing identifies the maximum capacity of software and its behavior at peak time.
Virtual users VUsers are defined in the automated testing tool and the script is executed to verify the load testing for the software. The number of users can be increased or decreased concurrently or incrementally based upon the requirements.
Stress testing includes testing the behavior of a software under abnormal conditions. For example, it may include taking away some resources or applying a load beyond the actual load limit. The aim of stress testing is to test the software by applying the load to the system and taking over the resources used by the software to identify the breaking point.
Usability testing is a black-box technique and is used to identify any error s and improvements in the software by observing the users through their usage and operation. According to Nielsen, usability can be defined in terms of five factors, i. According to him, the usability of a product will be good and the system is usable if it possesses the above factors. Nigel Bevan and Macleod considered that usability is the quality requirement that can be measured as the outcome of interactions with a computer system.
This requirement can be fulfilled and the end-user will be satisfied if the intended goals are achieved effectively with the use of proper resources. Molich in stated that a user-friendly system should fulfill the following five goals, i. UI testing ensures that the GUI functions according to the requirements and tested in terms of color, alignment, size, and other properties. On the other hand, usability testing ensures a good and user-friendly GUI that can be easily handled.
UI testing can be considered as a sub-part of usability testing. Security testing involves testing a software in order to identify any flaws and gaps from security and vulnerability point of view. Portability testing includes testing a software with the aim to ensure its reusability and that it can be moved from another software as well. Portability testing can be considered as one of the sub-parts of system testing, as this testing type includes overall testing of a software with respect to its usage over different environments.
Computer hardware, operating systems, and browsers are the major focus of portability testing. Testing documentation involves the documentation of artifacts that should be developed before or during the testing of Software. A test plan outlines the strategy that will be used to test an application, the resources that will be used, the test environment in which testing will be performed, and the limitations of the testing and the schedule of testing activities. It is a one line statement that notifies what area in the application will be tested.
Test scenarios are used to ensure that all process flows are tested from end to end. A particular area of an application can have as little as one test scenario to a few hundred scenarios depending on the magnitude and complexity of the application.
The terms 'test scenario' and 'test cases' are used interchangeably, however a test scenario has several steps, whereas a test case has a single step. Viewed from this perspective, test scenarios are test cases, but they include several test cases and the sequence that they should be executed. Apart from this, each test is dependent on the output from the previous test.
Test cases involve a set of steps, conditions, and inputs that can be used while performing testing tasks. The main intent of this activity is to ensure whether a software passes or fails in terms of its functionality and other aspects. There are many types of test cases such as functional, negative, error, logical test cases, physical test cases, UI test cases, etc. Furthermore, test cases are written to keep track of the testing coverage of a software. Generally, there are no formal templates that can be used during test case writing.
Many test cases can be derived from a single test scenario. In addition, sometimes multiple test cases are written for a single software which are collectively known as test suites. It can be used for forward tracing i. There are many user-defined templates for RTM. Each requirement in the RTM document is linked with its associated test case so that testing can be done as per the mentioned requirements.
Furthermore, Bug ID is also included and linked with its associated requirements and test case. Estimating the efforts required for testing is one of the major and important tasks in SDLC. Correct estimation helps in testing the software with maximum coverage.
This section describes some of the techniques that can be useful in estimating the efforts required for testing. This estimation process is used for function point analysis for black-box or acceptance testing. Arnab Chakraborty. Zach Miller. John Shea. Daniel IT. Software Testing - Quick Guide Advertisements. Previous Page. Next Page. Useful Video Courses. Software Engineering Basics 80 Lectures 7. More Detail. Previous Page Print Page.
Save Close. It has static activities, as it includes collecting reviews, walkthroughs, and inspections to verify a software. QA includes activities that ensure the implementation of processes, procedures and standards in context to verification of developed software and intended requirements. It includes activities that ensure the verification of a developed software with respect to documented or not in some cases requirements.
IEEE A standard for the format of documents used in different stages of software testing. IEEE A methodology for establishing quality requirements, identifying, implementing, analyzing, and validating the process, and product of software quality metrics. IEEE A standard for software life cycle processes and life cycle data. Inefficient testing, due to the fact that the tester only has limited knowledge about an application.
Clearly separates user's perspective from the developer's perspective through visibly defined roles. Large numbers of moderately skilled testers can test the application with no knowledge of implementation, programming language, or operating systems. As the tester has knowledge of the source code, it becomes very easy to find out which type of data can help in testing the application effectively.
What is Regression testing? Regression testing is performed to see if the system would work well in case of any enhancements or changes in future. Here, all the scripts are run together to see that others are not effected by a change in one module. What is System Testing? It is done at developers end.
The testing for non-functional requirements includes: a. Performance Testing b. Volume Testing c. Stress Testing d. Documentation Testing e. Robustness Testing What is Acceptance Testing? Acceptance Testing is performed by the client to see if the system delivers what was requested. It looks similar to system testing but the difference is in the focus.
Here, the testing is done by Client from his point of view as he is the one who knows the whole process and requirements of his business. What do you mean by V-model in testing? V-model performs a mapping between the type of test and the stage in project development i. This has 4 levels of testing the system: 1. Unit Testing-performed by system team at first level 2.
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