A Test Case is a documented set of conditions, inputs, steps, and expected outcomes used to verify that a software feature works correctly.
What it is
Test cases help testers validate whether the application behaves as expected and ensure that requirements are implemented correctly.
They are common in manual testing, QA, and software validation to show what to test, how to test, and what to expect.
Examples
- Verify that a user can log in with valid credentials.
- Verify that an error shows for an incorrect password.
- Verify that a password reset email is sent on request.
- Verify that duplicate email registration is blocked.
Purpose and Benefits
- Ensures software quality: Validates behavior against requirements.
- Improves test coverage: Multiple cases per feature.
- Supports requirement validation: Confirms business needs are met.
- Enables repeatable testing: Re-run during regression.
- Improves defect tracking: Clear steps make bugs reproducible.
- Enhances collaboration: Shared understanding of expected behavior.
Recommended (Detailed) Test Case Template
| Test Case ID | Feature / Module | Test Scenario | Test Steps | Expected Result | Actual Result | Status | Priority | Tester |
|---|---|---|---|---|---|---|---|---|
| TC-001 | User Login | Verify login with valid credentials | 1. Open login page 2. Enter email and password 3. Click Login | User should login successfully | — | Not Run | High | QA Team |
| TC-002 | User Login | Verify login with invalid password | 1. Open login page 2. Enter incorrect password 3. Click Login | Error message displayed | — | Not Run | Medium | QA Team |
| TC-003 | Password Reset | Verify password reset functionality | 1. Click Forgot Password 2. Enter email address 3. Submit request | Reset link sent to registered email | — | Not Run | High | QA Team |
Field Explanation
- Test Case ID: Unique identifier (e.g., TC-001).
- Feature / Module: Part of the system being tested.
- Test Scenario: What is being validated.
- Test Steps: Step-by-step actions to execute.
- Expected Result: The correct behavior.
- Actual Result: Observed behavior during execution.
- Status: Not Run, Passed, Failed, Blocked.
- Priority: High / Medium / Low.
- Tester: Who will run or ran the test.