lazy-ass

Lazy assertions without performance penalty

v2.0.3 URL: https://unpkg.com/lazy-ass@2.0.3/dist/index.js

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assertion assertions browser debugging defensive lazy node

chai-as-promised

Extends Chai with assertions about promises.

v8.0.1 URL: https://unpkg.com/chai-as-promised@8.0.1/lib/chai-as-promised.js

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chai chai-plugin browser async testing assertions promises promises-aplus

jest-extended

Additional Jest matchers

v6.0.0 URL: https://unpkg.com/jest-extended@6.0.0/dist/index.js

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jest matchers extend extended test testing assertions

jest-expect-message

Add custom message to Jest expects

v1.1.3 URL: https://unpkg.com/jest-expect-message@1.1.3/dist/index.js

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jest expect message matchers assertions test

chai-deep-match

Extends Chai with an assertion for deeply matching objects (i.e. subset equality checking)

v1.2.1 URL: https://unpkg.com/chai-deep-match@1.2.1/index.js

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chai chai-plugin chaiplugin testing assert expect assertions match deep isMatch contains like similar subset