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Different Software Testing Types and CMM Standard
- 1. Welcome Name: Dhrumil I. Panchal Enrollment No.: 170410107053 Sem: 6th Semester Subject: Software Engineering Branch: Computer Engineering (B.E.) Year: 2019-20
- 2. Topic CMM Standard Different testing types
- 3. Contain CMM Standard Different Types of Testing 1. Unit Testing 2. Integration Testing 3. Validation Testing 4. System Testing 5. Acceptance Testing
- 4. CMM Standard CMM stands for Capability Maturity Model To determine an organization’s current state of process maturity, the SEI uses an assessment that results in a five point grading scheme. The grading scheme determines compliance with a capability maturity model (CMM) that defines key activities required at different levels of process maturity. The SEI approach provides a measure of the global effectiveness of a company's software engineering practices and establishes five process maturity levels that are defined in the following manner:
- 5. CMM Standard Level 1: Initial The software process is characterized as ad hoc and occasionally Few processes are defined, and success depends on individual effort Level 2: Repeatable Basic project management processes are established to track cost, schedule, and functionality. The necessary process discipline is in place to repeat earlier successes on Project
- 6. CMM Standard Level 3: Defined The software process for both management and engineering activities is documented, standardized, and integrated This level includes all characteristics defined for level 2 Level 4: Managed Detailed measures of the software process and product quality are collected This level includes all characteristics defined for level 3 Level 5: Optimizing Continuous process improvement is enabled by quantitative feedback from the process and from testing innovative ideas and technologies This level includes all characteristics defined for level 4
- 7. Different Types of Testing 1. Unit Testing 2. Integration Testing 3. Validation Testing 4. System Testing 5. Acceptance Testing
- 8. Unit Testing Unit is the smallest part of a software system which is testable it may include code files, classes and methods which can be tested individual for correctness. Unit is a process of validating such small building block of a complex system, much before testing an integrated large module or the system as a whole. Driver and/or stub software must be developed for each unit test a driver is nothing more than a "main program" that accepts test case data, passes such data to the component, and prints relevant results. Stubs serve to replace modules that are subordinate (called by) the component to be tested. A stub or "dummy subprogram" uses the subordinate module's interface.
- 9. Integration Testing Integration is defined as a set of integration among component. Testing the interactions between the module and interactions with other system externally is called Integration Testing. Testing of integrated modules to verify combined functionality after integration. Integration testing addresses the issues associated with the dual problems of verification and program construction. Modules are typically code modules, individual applications, client and server applications on a network, etc. This type of testing is especially relevant to client/server and distributed systems.
- 10. Integration Testing Types of integration testing are: 1. Top-down integration 2. Bottom-up integration 3. Regression testing 4. Smoke testing
- 11. Validation Testing The process of evaluating software during the development process or at the end of the development process to determine whether it satisfies specified business requirements. Validation Testing ensures that the product actually meets the client's needs. It can also be defined as to demonstrate that the product fulfills its intended use when deployed on appropriate environment. Validation testing provides final assurance that software meets all informational, functional, behavioral, and performance requirements. The alpha test is conducted at the developer’s site by a representative group of end users.
- 12. Validation Testing The software is used in a natural setting with the developer “looking over the shoulder” of the users and recording errors and usage problems. Alpha tests are conducted in a controlled environment. The beta test is conducted at one or more end-user sites. Unlike alpha testing, the developer generally is not present. Therefore, the beta test is a “live” application of the software in an environment that cannot be controlled by the developer.
- 13. System Testing In system testing the software and other system elements are tested as a whole. To test computer software, you spiral out in a clockwise direction along streamlines that increase the scope of testing with each turn. System testing verifies that all elements mesh properly and that overall system function/performance is achieved. Types of System Testing: 1. Recovery Testing 2. Security Testing 3. Stress Testing 4. Performance Testing 5. Deployment Testing
- 14. Recovery Testing Recovery testing is a system test that forces the software to fail in a variety of ways and verifies that recovery is properly performed. If recovery is automatic (performed by the system itself), re initialization, check pointing mechanisms, data recovery, and restart are evaluated for correctness. If recovery requires human intervention, the mean-time-to- repair (MTTR) is evaluated to determine whether it is within acceptable limits.
- 15. Security Testing Security testing attempts to verify that protection mechanisms built into a system will, in fact, protect it from improper penetration. During security testing, the tester plays the role(s) of the individual who desires to penetrate the system.
- 16. Stress Testing Stress testing executes a system in a manner that demands resources in abnormal quantity, frequency, or volume. A variation of stress testing is a technique called sensitivity testing.
- 17. Performance Testing Performance testing is designed to test the run-time performance of software within the context of an integrated system. Performance testing occurs throughout all steps in the testing process. Even at the unit level, the performance of an individual module may be assessed as tests are conducted.
- 18. Deployment Testing Deployment testing, sometimes called configuration testing, exercises the software in each environment in which it is to operate. In addition, deployment testing examines all installation procedures and specialized installation software that will be used by customers, and all documentation that will be used to introduce the software to end users.
- 19. Acceptance Testing Acceptance Testing is a level of the software testing where a system is tested for acceptability. The purpose of this test is to evaluate the system’s compliance with the business requirements and assess whether it is acceptable for delivery. It is a formal testing with respect to user needs, requirements, and business processes conducted to determine whether or not a system satisfies the acceptance criteria and to enable the user, customers or other authorized entity to determine whether or not to accept the system. Acceptance Testing is performed after System Testing and before making the system available for actual use.
- 20. References Inspiration from Prof. Parul V Bakaraniya Notes of SE Textbook of SE Images from Google Images Some my own Knowledge
- 21. Thank You