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45 lines
2.6 KiB
Markdown
45 lines
2.6 KiB
Markdown
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# Fleet UI tests
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The test directory contains the jest configuration, test setup, request handlers, mock server definition, testing utilities, and entity stubs (deprecated and will be replaced by mocks in `frontend/__mocks__`) for use in test files throughout the application. The test files for components and app functions are located in the same directory as the files they test.
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<!--
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TODO
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The default export from the test directory includes mock server with default handlers, custom handlers, testing stubs, and testing utilities like custom renderers. -->
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## Table of contents
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- [Jest configuration](#jest-configuration)
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- [Test setup](#test-setup)
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- [Request handlers and their setup](#request-handlers-and-their-setup)
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- [Testing utilities](#testing-utilities)
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- [Entity stubs (deprecated)](#entity-stubs-deprecated)
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- [Related links](#related-links)
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## Jest configuration
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This is where the jest configuration is located. Refer to [Jest's official documentation](https://jestjs.io/docs/configuration).
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## Test setup
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This file configures the testing environment for every test file.
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## Request handlers and their setup
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Default handlers and custom handlers are both defined within the `handlers` directory and return [mocked data](../__mocks__/README.md). The handlers directory will naturally grow with more default and custom handlers required for more tests. We use [mock service worker](https://mswjs.io/docs/api/rest) to define all request handlers.
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Default handlers and custom handlers differ in their setup. Default handlers are setup in [mock-server.ts](./mock-server.ts). The mock server will serve the default handlers outlined in [default-handlers.ts](./default-handlers.ts). Custom handlers must be setup inline within a component's test suite (`frontend/**/ComponentName.tests.tsx`). For example, we would setup the custom handler `activityHandler9Activities` inline using `mockServer.use(activityHandler9Activities);`.
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## Testing utilities
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We use various utility functions to write our tests.
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## Testing stubs `Deprecated`
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Testing stubs are still being used in a handful of old tests. We are no longer following this pattern of adding data to testing stubs. Rather, we are building stubs as mocks located in the `frontend/__mocks__` directory.
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## Related links
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Check out how we [mock data](../__mocks__/README.md) used for unit and integration tests.
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Follow [this guide](../../docs/Contributing/Testing-and-local-development.md) to run tests locally.
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Visit the frontend [overview of Fleet UI testing](../docs/Contributing/Fleet-UI-Testing.md) for more information on our testing strategy, philosophies, and tools.
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