What is Application Testing?

• Ensures product quality and reliability
• Minimizes the risk of failures and problems after deployment
• Reduces costs associated with fixing errors in later phases
• Increases customer and user confidence in the product
• Supports continuous improvement of the software development process

1. Test planning
2. Designing test cases
3. Preparing the test environment
4. Performing tests
5. Error reporting
6. Analysis of results and retests
7. Managing the testing process

1. Unit tests
2. Integration tests
3. System tests
4. Acceptance tests
5. Performance tests
6. Safety tests
7. Usability tests
8. Regression tests
9. Functional and non-functional tests

1. Requirements analysis
2. Test planning
3. Designing test cases
4. Preparation of test data
5. Test environment configuration
6. Performing tests
7. Error reporting
8. Retests and verification of amendments
9. Performance analysis and reporting

1. Test management tools: JIRA, TestRail, qTest
2. Test automation tools: Selenium, Appium, JUnit
3. Performance testing tools: JMeter, LoadRunner
4. Security testing tools: OWASP ZAP, Burp Suite
5. API testing tools: Postman, SoapUI
6. Continuous integration tools: Jenkins, GitLab CI

• Increase efficiency and speed of testing
• Ability to perform tests more frequently
• Reduction of human error
• Easier integration with CI/CD processes
• Saving time and resources in the long term

Automation challenges:

• Initial costs and time required for implementation
• Need to maintain and update test scripts
• Limitations of testing aspects that require human evaluation

1. Time and budget constraints
2. Complexity of modern applications
3. Rapidly changing requirements
4. Difficulties in reproducing the production environment
5. Managing large amounts of test data
6. Coordination between development and test teams

1. Start testing early in the development cycle
2. Using the shift-left approach in testing
3. Prioritization of test cases
4. Continuous integration and continuous testing
5. Use of exploratory testing techniques
6. Regular reviews and updates of testing strategies
7. Investment in training and development of the test team

• Iterative and incremental testing
• Close cooperation between developers and testers
• Frequent delivery and testing of small increments of functionality
• Flexibility to customize test plans

Cascade:

• Sequential testing phases
• More formal and detailed test plans
• Testing begins after the development phase is complete
• Less flexibility to respond to change

1. Identification of potential threats and risk areas
2. Prioritization of tests based on risk analysis
3. Use of risk-based testing techniques
4. Regular reviews and updates of risk management strategies
5. Monitoring and reporting risks during the testing process

• Testing on various devices and operating systems
• Consideration of hardware limitations (battery, memory)
• Testing under different network conditions
• Verify compliance with application store guidelines

Web applications:

• Testing in different browsers and on different devices
• Checking responsiveness and accessibility
• Performance and scalability testing
• Verification of user data security and protection

Application testing is a key component of software quality assurance. It requires a systematic approach, the use of appropriate tools and techniques, and continuous improvement of the process. Effective testing contributes to the delivery of applications that are reliable, secure and meet user expectations.