Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
- Over-mocking: Mocking so many dependencies that the test validates the mocks
not the actual code.
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133,835 skills indexed with the new KISS metadata standard.
Showing 24 of 133,835Categories: Data & Insights, Coding & Debugging, Communication, Creative, General
Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
- Missing assertions: Tests that execute code but never assert on outcomes
giving false confidence.
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Hardcoded test data: Using magic strings and numbers without factories
builders
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General
PromptBeginner5 minmarkdownQuality: 24
- Testing implementation details: Asserting on internal state
private methods
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General
PromptBeginner5 minmarkdownQuality: 24
- No edge case coverage: Only testing the happy path and ignoring boundaries
nulls
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General
PromptBeginner5 minmarkdownQuality: 24
- Use AssertJ for fluent
readable assertions.
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General
PromptBeginner5 minmarkdownQuality: 24
- Use fixtures with appropriate scopes (function
class
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General
PromptBeginner5 minmarkdownQuality: 24
- Query elements by accessible roles and text
not implementation selectors.
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General
PromptBeginner5 minmarkdownQuality: 24
- Apply markers to categorize tests (slow
integration
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General
PromptBeginner5 minmarkdownQuality: 24
- Configure test environments (jsdom
node) appropriately per test suite.
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General
PromptBeginner5 minmarkdownQuality: 24
- Handle flaky tests with proper waits and retries
never cy.wait(ms).
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General
PromptBeginner5 minmarkdownQuality: 24
- Follow the test pyramid: many unit tests
fewer integration tests
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General
PromptBeginner5 minmarkdownQuality: 24
- Mock external services at the boundary
not internal implementation details.
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- [ ] Test data is generated via factories or builders
not hardcoded.
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General
PromptBeginner5 minmarkdownQuality: 24
- [ ] All tests follow AAA pattern with clear arrange
act
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General
PromptBeginner5 minmarkdownQuality: 24
- [ ] Edge cases
boundary values
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General
PromptBeginner5 minmarkdownQuality: 24
After writing or updating tests
verify:
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General
PromptBeginner5 minmarkdownQuality: 24
- Monitor resource consumption (CPU
memory
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General
PromptBeginner5 minmarkdownQuality: 24
- Replace non-deterministic elements (time
randomness) with controlled values.
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General
PromptBeginner5 minmarkdownQuality: 24
- Track line
branch
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General
PromptBeginner5 minmarkdownQuality: 24
- Handle asynchronous operations with proper waits and retries
not arbitrary sleeps.
0
Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Validate interactions across database
API
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Write test code following AAA pattern with clear arrange
act
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Creative
PromptBeginner5 minmarkdownQuality: 24
- Design test matrix covering critical paths
edge cases
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