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Test Design Techniques

Testing shows the presence, not the absence, of bugs. How many times have you heard that? The trick, however, is finding critical bugs - and quickly. There are many techniques available to a tester but deciding which to use under different sets of circumstances can be daunting. Do you just use the ones you know and hope for the best?

This course introduces the latest software testing standard ISO/IEC/IEEE 29119 and then concentrates on the techniques contained in the standard.  Additionally, two areas of non-functional testing which are of increasing importance - usability/accessibility and security penetration testing - are included, with no specialised knowledge required.

Lecture presentations are supported by practical exercises allowing reinforcement of learning and enhancement of the understanding process.  Delegates will use a number of specially designed training applications to carry out hands-on testing.

Audience

Software testers, test analysts and test managers.

Reset

Learning Objectives

At the end of this course attendees will be able to:

  • Understand the testing process as defined in the standard and how it fits into a development cycle.
  • Choose suitable test techniques for the level of testing to be undertaken, taking into account project constraints and the software quality required.
  • Carry out testing using the chosen techniques and produce appropriate test documentation.
  • Understand how to perform usability and accessibility testing.
  • Provide support for a security penetration testing effort.

Pre-Requisites

A basic knowledge of software testing.  the course is generic and not based on any software or hardware platform.

Course Content

Testing and Quality
Software quality, ISO 9126
Quality control and quality assurance
What do we test against?
What do we test with?

The Testing Process
Development processes (Waterfall, Incremental, RAD, Agile)
Levels of test
The testing process, ISO/IEC/IEEE 29119
Dynamic test process documentation

Structure-based Testing Techniques
Statement testing
Branch testing
Decision testing
Condition testing
Data flow testing

Specification-based Testing Techniques
Equivalence partitioning
Classification tree method
Boundary value analysis
State transition testing
Decision table testing
Cause-effect graphing
Syntax testing
Combinatorial test techniques
Scenario testing
Random testing

Risk-based Testing
Risk identification
Risk assessment
Risk exposure
Test prioritisation

Experience-based Testing Techniques
Error guessing
Checklist-based testing
Quick attacks
Common failure modes
Exploratory testing
Testing without requirements

Test Automation
Why automate?
Tool issues
Guidelines for using automated testing
Criteria for automating

Usability and Accessibility Testing
General usability testing
Help systems
Usability guidelines
Use case analysis
Performing usability tests
Multivariate testing
Usability metrics
Colour confusion
Components of Web accessibility
Web accessibility initiative
Web content accessibility guidelines

Application Security Testing
Client attacks - text input and drop-down lists
Credentials transport testing
Testing for user enumeration
Brute force attacks
Password remember and reset
Logout testing, cached pages
Hidden fields
CGI parameters
Cookie poisoning
Session hijacking and session fixation
Testing for SQL injection
Testing for authorisation bypass attacks
Testing for SELECT statement attacks
URL-based SQL injection
Testing for INSERT statement attacks
Cross site scripting, phishing
Reflective and persistent cross site scripting
Clickjacking
HTTP methods and cross site tracing
Buffer overflows

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