Testing React - JEST + RTL

Testing React - JEST + RTL

hola

Basics

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Types of tests

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Ananomy of test

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TDD

Grouping Test

Filename convention

Code Coverage

RTL Queries

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Test match

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findBy

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passing 3rd arg to wait longer than default timeout

Manual Queries

User Interactions

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Keyboard interaction

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Providers

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Custom Render function

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Custom React hooks

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Act Utility

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Typically RTL wrap all code in ACT function that causes state update, however in this particular instance you are direclty calling increment which in turn directly calls a function that causes the state update, and that function is setCount, there is just no way for RTL to wrap this function in ACT and thats why it warn to add ACT.

Mocking HTTP Requests

MSW -> mock service worker

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MSW Error Handling

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