Remember that every K3 topic will have at least one worked example and some exercises to help you build your confidence before tackling questions at the level set in the real examination. All other answers have at least one stage of the fundamental test process in the wrong sequence. This does not mean, however, that the need for correctness and completeness should be ignored. These topics will be discussed in more detail in Chapter 4, when test case design techniques are presented. Also, writing a test summary for stakeholders would say what was planned, what was achieved, highlight any differences and in particular things that were not tested. For example, in the review processes, we may focus on whether the documents are consistent and no errors have been introduced when the documents were produced. Intuitively, we would expect to test an automatic flight control system more than we would test a video game system.
In this type of situation, testing can show that one particular problem no longer exists. We appreciate it in advance if you are prepared to head to match people! A rereading of this chapter when you have worked through the rest of the book will place all the main topics into context. Each section has been categorised as K2 overall, but individual K1 elements are shown where applicable. Tests designed by the author; tests designed by another member of the development team; tests designed by someone from a different company. These two types are usually called retesting and regression testing, respectively. In 1995 she was awarded Chartered Engineer status by the Royal Aeronautical Society.
Thus the test bases for unit testing can include: the component requirements; the detailed design; the code itself. Finally, we will look at the different types of testing that can take place throughout the development life cycle. The review should be seen as being conducted within an atmosphere of trust, so that the outcome will not be used for the evaluation of the participants, and that the people issues and psychological aspects are dealt with e. The car you receive should be the car described in the sales literature; it should have the correct engine size, the correct colour scheme, and whatever extras you have ordered, and performance in areas such as fuel consumption and maximum speed should match published figures. The right-hand side focuses on the testing activities. Using other techniques will find different defects.
The chapter summary will remind you of the key ideas. This does not make defects elsewhere in the code less likely, so continuing to use the same test set will result in decreasing effectiveness of the tests. Site acceptance testing could then be performed by the users at their own site. The chapter questions and mock exam seem to be helpful in checking your own understanding of the contents. The first of these is known as a review and is typically used to find and remove errors and ambiguities in documents before they are used in the development process, thus reducing one source of defects in the code; the second is known as static analysis, and it enables code to be analysed for structural defects or systematic programming weaknesses that may lead to defects.
An unreserved 5 for value for money. The system being retired — data may need to be migrated or archived. The system will allow up to 100 users to log in at the same time. The next most important aspect is setting criteria that will give you an objective test of whether it is safe to stop testing, so that time and all the other pressures do not confuse the outcome. Learn how to form, organize, and lead testing teams Master the organizing of communication among the members of the testing teams, and between the testing teams and all the other stakeholders. Monitoring and control feed back into the continual activity of planning. The purpose of integration testing is to expose defects in the interfaces and in the interactions between integrated components or systems.
The sections are allocated a K number to represent the level of understanding required for that section; where an individual topic has a lower K number than the section as a whole, this is indicated for that topic; for an explanation of the K numbers see the Introduction. Maintainability — ability to introduce changes to the system. Type of review in an inspection only the collection of defects is allowed — there is never any discussion. Software development models K2 Understanding of the relationship between development, test activities and work-products in the development life cycle, giving examples based on project and product characteristics and context. In early testing we are trying to find errors and defects before they are passed to the next stage of the development process. Techniques for reviewing documents are outlined in Chapter 3. A test that finds no defect has consumed resources but added no value; a test that finds a defect has created an opportunity to improve the quality of the product.
This may not be likely we hope it is not but it is a possibility that could be linked with software failure. For an e-commerce site, we should concentrate on security aspects. It gives a decent overview of topics related to software testing such as integration of testing into software development cycles, test techniques black box, white box , risk analysis and usage of software test tools. In structural testing, we change our measure to focus on the structural aspects of the system. Mail the item to us! Exhaustive testing of complex systems is not possible With the Ariane 5 rocket launch, a particular software module was reused from the Ariane 4 programme.
A simple development model is shown in Figure 2. Thirdly, embedding testing into e-assessment of programming exercises is described. The writing style overall is not too dry so the book isn't a total drag to read through. This can be for a variety of reasons, some of which are: System complexity. For each chapter begin by attempting the self-assessment questions at the beginning to get initial confirmation of your level of confidence in the topics covered by that chapter. That there is sufficient detail for the subsequent work-product to be built correctly again, for the functional specification, this would include a check that there is sufficient information in order to create the technical specification. After test planning, the documents would be analysed and test cases designed.
Topics covered: Fundamentals of Testing Testing and the Software Lifecycle Static and Dynamic Testing Techniques Test Management Test Tools Also mentioned are some updates to the syllabus that are due in 2015. Work-products can be documentation or code. It is referred to as a cyclical model for software development. A fuller discussion of risk is given in Chapter 5. The answers are given at the end of the chapter. By identifying the defect early in the life cycle it is a lot easier to identify why it was there in the first place root cause analysis than during test execution, thus providing information on possible process improvement that could be made to prevent the same defect appearing again.