Software Testing Theory

May 1, 20234 min read

What is State Transition testing?

ISTQB definition: State transition testing (finite state testing) - a black-box test technique using a state transition diagram or state...

May 1, 20234 min read

What is Decision Table testing?

ISTQB definition: Decision table testing - a black-box test technique in which test cases are designed to execute the combinations of...

May 1, 20234 min read

What is Boundary Values Analysis(BVA)?

ISTQB definition: Boundary value analysis (BVA) - is based on testing the boundaries between partitions that are ordered, such as a field...

May 1, 20233 min read

Please explain the Equivalence partitioning technique?

ISTQB definition: Equivalence partitioning (partition testing) - is a black-box test technique in which test cases are designed to...

May 1, 20236 min read

What is the difference between Smoke and Sanity Testing?

Human language: In this article, we are going to get familiar with smoke testing, sanity testing, and the key difference between them. To...

May 1, 20233 min read

What is Regression testing?

ISTQB definition: Regression testing - is a testing of a previously tested component or system following modification to ensure that...

May 1, 20236 min read

What is the difference between Localization and Internationalization testing?

ISTQB definition: Localization testing This is also called internationalization. Localization is making sure that systems are understood...

May 1, 20232 min read

What types of testing do you know?

ISTQB definition: According to the ISTQB foundation, we have the following types of testing: Functional testing; Non-functional testing;...

May 1, 20234 min read

What is a Test Plan? What does the test plan consist of?

ISTQB definition: Test Plan - is a documentation describing the test objectives to be achieved and the means and the schedule for...

May 1, 20236 min read

What is the difference between Priority and Severity?

ISTQB definition: Severity - the degree of impact that a defect has on the development or operation of a component or system. Priority -...

May 1, 20233 min read

What is the Difference between Error, Bug, and Failure?

ISTQB definition: To understand the key differences between these words, let's first take a look at each definition: Error (mistake) - is...

May 1, 20236 min read

What is a Defect/Bug Life Cycle?

Human language: A defect life cycle - is a path that a defect follows from its inception to resolution. It starts when the defect is...

May 1, 20233 min read

What are the different test levels?

ISTQB definition: Test level (test stage) - a specific instantiation of a test process. According to the ISTQB Foundation, there are four...

May 1, 20235 min read

What is a Test Environment? Why is a test environment needed?

Human language: A test environment - is any space in which software builds, tested, and fixed. This space is a server with test data that...

May 1, 20236 min read

What is STLC? What stages of STLC do you know?

ISTQB definition: A test process consists of the following main groups of activities: Test planning; Test monitoring and control; Test...

May 1, 20234 min read

What are the entry and exit criteria?

ISTQB definition: Entry criteria (definition of ready) - are the set of conditions for officially starting a defined task. Exit criteria...

May 1, 20236 min read

What is Kanban?

ISTQB definition: Kanban comes from an approach to working in manufacturing at Toyota. It is a way of visualizing work and workflow. It...

May 1, 20234 min read

What is Scrum?

ISTQB definition: Scrum - is an iterative and incremental framework for effective team collaboration, which is typically used in Agile...

May 1, 20235 min read

What are Iterative and incremental development models?

ISTQB definition: Not all life cycles are sequential. There are also iterative and incremental life cycles where, instead of one large...

Apr 30, 20234 min read

What is the difference between Verification and Validation?

ISTQB definition: Verification - confirmation by examination and through the provision of objective evidence that specified requirements...