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      • What is Software Testing?
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      • Automation Vs Manual Testing
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      • Test Strategy vs Test Plan
      • Bug Report Template
      • Test metrics
      • Difference Between Defect Bug Error And Failure
      • Write Good Bug Report
      • Principles of Software Testing
      • Black Box Test Design Techniques
      • Equivalence Partitioning Testing Technique
      • Boundary Value Analysis Testing Technique
      • Decision Table Test Design Technique
      • State Transition Test Design Technique
      • Severity Vs Priority
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  1. Manual Testing
  2. Manual Testing Tutorial

Software Testing Life Cycle

Software Testing Life Cycle (STLC) identifies what test activities to carry out and when to accomplish those test activities. Even though testing differs between Organizations, there is a testing life cycle.

The different phases of Software Testing Life Cycle are:

  • 1. Requirement Analysis

  • 2. Test Planning

  • 3. Test Design

  • 4. Test Environment Setup

  • 5. Test Execution

  • 6. Test Closure

Requirement Analysis:

Entry criteria for this phase is BRS (Business Requirement Specification) document. During this phase, test team studies and analyzes the requirements from a testing perspective. This phase helps to identify whether the requirements are testable or not. If any requirement is not testable, test team can communicate with various stakeholders (Client, Business Analyst, Technical Leads, System Architects etc) during this phase so that the mitigation strategy can be planned.

Entry Criteria: BRS (Business Requirement Specification) Deliverables: List of all testable requirements, Automation feasibility report (if applicable)

Test Planning:

Test planning is the first step of the testing process. In this phase typically Test Manager/Test Lead involves determining the effort and cost estimates for the entire project. Preparation of Test Plan will be done based on the requirement analysis. Activities like resource planning, determining roles and responsibilities, tool selection (if automation), training requirement etc., carried out in this phase. The deliverables of this phase are Test Plan & Effort estimation documents.

Entry Criteria: Requirements Documents Deliverables: Test Strategy, Test Plan, and Test Effort estimation document.

Test Design:

Test team starts with test cases development activity here in this phase. Test team prepares test cases, test scripts (if automation) and test data. Once the test cases are ready then these test cases are reviewed by peer members or team lead. Also, test team prepares the Requirement Traceability Matrix (RTM). RTM traces the requirements to the test cases that are needed to verify whether the requirements are fulfilled. The deliverables of this phase are Test Cases, Test Scripts, Test Data, Requirements Traceability Matrix

Entry Criteria: Requirements Documents (Updated version of unclear or missing requirement) Deliverables: Test cases, Test Scripts (if automation), Test data.

Test Environment Setup:

This phase can be started in parallel with Test design phase. Test environment setup is done based on the hardware and software requirement list. Some cases test team may not be involved in this phase. Development team or customer provides the test environment. Meanwhile, test team should prepare the smoke test cases to check the readiness of the given test environment.

Entry Criteria: Test Plan, Smoke Test cases, Test Data Deliverables: Test Environment. Smoke Test Results.

Test Execution:

Entry Criteria: Test Plan document, Test cases, Test data, Test Environment. Deliverables: Test case execution report, Defect report, RTM

Test Closure:

Entry Criteria: Test Case Execution report (make sure there are no high severity defects opened), Defect report Deliverables: Test Closure report, Test metrics

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Test team starts executing the test cases based on the planned test cases. If a test case result is Pass/Fail then the same should be updated in the test cases. Defect report should be prepared for failed test cases and should be reported to the Development Team through bug tracking tool (eg., Quality Center) for fixing the defects. Retesting will be performed once the defect was fixed. Click here to see the .

The final stage where we prepare Test Closure Report, Test Metrics. Testing team will be called out for a meeting to evaluate cycle completion criteria based on Test coverage, Quality, Time, Cost, Software, Business objectives. Test team analyses the (such as Test cases, Defect reports etc.,) to identify strategies that have to be implemented in future, which will help to remove process bottlenecks in the upcoming projects. Test metrics and Test closure report will be prepared based on the above criteria.

Bug Life Cycle
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