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New software testers often fail to understand the importance of their role, which can lead to other mistakes such as carelessness and rework. Often new testers grossly underestimate both the complexity and skills required to adequately perform system testing. New testers may take a simplistic \"push button\" approach to testing vs. a systematic analytical approach.
Software Testing is one of the major parts of software development cycle. Testing is performed to make sure that there are no errors in the project developed. It is a process to make sure the output presented by the development team is in accordance with the specifications of the customer.
On this one might have understood the value of testing in the software development cycle. Selecting a QA company for testing your project is not a child's play. There are some chances that you might suffer from security breaches and unwanted mishaps.
A principle can be described as an accepted rule or more appropriately a standard guide which helps in carrying out an action efficiently and consistently. Some principles can be followed while software testing.
Test Until The Program Fails:
The true value of testing is accomplished when bugs are detected. Therefore, this procedure must be executed with the intention of exposing failures to the maximum extent.
Design Test Cases:
The specifications must be well understood before designing test cases. The test cases must be written before the performing the tests. If there is confusion over the test specifications and product design then designing test cases will be useless.
A test case definition should specify the input data and the corresponding correct output. This documentation of the expected output is necessary to give an unambiguous testing result.
As already stated, testing is context-dependent and so is are its goals. Therefore testing at multiple levels must be performed by different people/team. This will yield better results.
Example: Acceptance testing must be performed by the users, unit testing should be performed by developers, and release testing should be performed by Quality Managers etc.
Security is another good concern that you must look at while selecting the software testing company.
The service provider must be able to give security in various aspects of physical security, networking, database security and ad hoc security projects based on the particular project.
Apart from that, the testing organizations should be able to protection to all personally identifiable information given by customers.
The company you select should have both watertight nondisclosure agreements, intellectual property protection and employee confidentiality agreements.