JavaScript Testing utilities for React
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Assertions GitHub Repositories (2026) · Open Source Tools
Discover the best Assertions open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
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10 matching projects · updated Nov 12, 2026
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Test Automation Made Simple
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BDD / TDD assertion framework for node.js and the browser that can be paired with any testing framework.
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Powerful, elegant and flexible test framework for Kotlin with assertions, property testing and data driven tests.
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A light-weight, flexible, and expressive statistical data testing library
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Fluent testing assertions for Java and the JVM
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Additional Jest matchers 🃏💪
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A multiplatform expectation library for Kotlin
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Go test suite framework – BDD vocabulary, lifecycle hooks, fixtures, fuzzing, benchmarking, snapshots. Zero reflection, zero runtime deps – powered by code generation.
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Assertion testing library for Ruby
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