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Pen Testing: Test Strategy, Scenarios, and Cases

Shiva Oleti's photo
Shiva Oleti
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4 min read

Pen Testing: Test Strategy, Scenarios, and Cases

1. Test Strategy

Objective

To ensure the pen performs as expected in terms of functionality, usability, durability, and aesthetics.

Scope

  • In-scope: Testing various functional and non-functional aspects of the pen (e.g., writing, durability, ink flow).
  • Out-of-scope: Testing manufacturing processes or material sourcing.

Testing Types

  • Functional Testing:
    • Ink flow, writing, and cap functionality.
  • Usability Testing:
    • Comfort while holding, weight, and ease of use.
  • Performance Testing:
    • Writing speed and durability.
  • Boundary/Edge Case Testing:
    • Writing on different surfaces or at extreme angles.
  • Stress Testing:
    • How the pen performs after prolonged use or under extreme conditions.
  • Compatibility Testing:
    • Compatibility with different paper types and surfaces.

Tools and Resources

  • Physical pens for manual testing.
  • Stopwatches for performance testing.
  • Paper and other materials for compatibility testing.

Risks and Mitigation

  • Risk: Ink leakage during testing.
    • Mitigation: Use controlled environments and pre-tested samples.

Entry/Exit Criteria

  • Entry Criteria:
    • Availability of a functioning pen prototype.
    • Test environment readiness.
  • Exit Criteria:
    • All critical test scenarios passed.
    • Defects logged, fixed, and verified.

2. Test Scenarios

Functional Scenarios

  1. Verify the pen writes smoothly on standard paper.
  2. Verify the ink flow starts immediately without delay.
  3. Verify the pen writes at different angles (e.g., vertical, horizontal).
  4. Verify the cap fits securely and can be removed easily.
  5. Verify the pen's ability to write on various surfaces (e.g., glossy, rough, plastic).

Usability Scenarios

  1. Verify the pen's comfort for different hand sizes.
  2. Verify the pen's grip is non-slippery and ergonomic.
  3. Verify the weight distribution of the pen is balanced.

Performance Scenarios

  1. Verify how long the pen can continuously write before ink runs out.
  2. Verify the drying time of the ink on different paper types.
  3. Verify the pen can write after being unused for extended periods.

Stress Scenarios

  1. Verify the pen's functionality after being dropped from a height.
  2. Verify the pen's ink does not leak under high temperatures.
  3. Verify the pen's structure remains intact under high pressure.

Aesthetic Scenarios

  1. Verify the branding and label on the pen are clear and durable.
  2. Verify the pen's design and color match the specifications.

3. Test Cases

Functional Test Cases

Test Case IDDescriptionStepsExpected Result
TC-01Verify the pen writes smoothly on paper1. Take a sheet of standard paper.
2. Write text.		The pen writes smoothly without interruptions.
TC-02Verify ink flow starts immediately1. Hold the pen.
2. Start writing without shaking the pen.		Ink flows immediately without delay.
TC-03Verify writing at different angles1. Write at a vertical, horizontal, and tilted angle.Pen writes at all angles without interruption.

Usability Test Cases

Test Case IDDescriptionStepsExpected Result
TC-04Verify comfort for various hand sizes1. Use the pen with hands of different sizes.Pen is comfortable for all users.
TC-05Verify the grip is non-slippery1. Hold the pen with dry and sweaty hands.The grip remains firm and non-slippery.

Performance Test Cases

Test Case IDDescriptionStepsExpected Result
TC-06Verify continuous writing duration1. Continuously write until ink runs out.Pen writes for the expected duration.
TC-07Verify ink drying time1. Write text.
2. Measure the drying time of the ink.		Ink dries within the acceptable time frame.

Stress Test Cases

Test Case IDDescriptionStepsExpected Result
TC-08Verify functionality after being dropped1. Drop the pen from 1 meter height.
2. Check if it still writes.		The pen writes without any damage.
TC-09Verify ink leakage under high temperature1. Expose the pen to 50°C for 1 hour.
2. Check for ink leakage.		No ink leakage observed.

Key Takeaways

  • Test Scenarios: High-level objectives or ideas of what to test.
  • Test Cases: Detailed, specific steps to test multiple aspects of the same scenario.

By breaking a single scenario into multiple test cases, you ensure comprehensive testing and cover all possibilities.

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