Testing
Testing Patterns
Confidence comes from a thoughtful test pyramid. These patterns show how to layer fast feedback with high-fidelity coverage so regressions surface before production.
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Patterns
Testing
Testing Guides
Framework-level thinking before you pick a pattern.
Testing Patterns
Specific, reusable techniques you can drop into production.
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Accessibility Testing
Verify that interfaces work with assistive technologies and meet WCAG standards.
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API Mocking
Replace real API calls with controlled responses for predictable testing.
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Component Testing
Test components in isolation to verify their behavior and output.
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Context Testing
Verify that components correctly consume and provide context values.
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Coverage Strategy
Define meaningful code coverage targets that reflect actual risk areas.
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E2E Testing
Test complete user flows through the application in a browser environment.
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Error State Testing
Test explicitly how components handle errors and edge cases.
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Integration Testing
Test multiple components working together as a cohesive unit.
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Mock Service Worker
Intercept network requests at the service worker level for realistic testing.
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Query Strategy
Select DOM elements using accessible queries that mirror user interaction.
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Snapshot Testing
Capture component output and detect unintended changes over time.
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Stateful Logic Testing
Test state management logic independently from presentation.
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Test Data Builder
Create reusable factories for generating test data with sensible defaults.
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User Interaction Testing
Simulate user events like clicks and typing to test real-world behavior.
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Visual Regression
Compare screenshots to detect unintended visual changes automatically.
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