From 18ae8b63d4c01a3aacf71f84d6af1a49f6409685 Mon Sep 17 00:00:00 2001 From: Rhys Evans Date: Sun, 20 Oct 2024 14:54:04 +0100 Subject: [PATCH] docs: bring jest docs into website --- docs/docs/wrappers/jest.md | 88 ++++++++++++++++++++++++++++++++++++ docs/docs/wrappers/vitest.md | 2 +- packages/jest/README.md | 69 ++-------------------------- 3 files changed, 94 insertions(+), 65 deletions(-) diff --git a/docs/docs/wrappers/jest.md b/docs/docs/wrappers/jest.md index 0fd3b5df..20bca897 100644 --- a/docs/docs/wrappers/jest.md +++ b/docs/docs/wrappers/jest.md @@ -4,3 +4,91 @@ sidebar_position: 1 --- # @fetch-mock/jest + +A wrapper for [fetch-mock](/fetch-mock/docs/) that improves the developer experience when working with jest. It provides the following: + +- Adds methods to fetchMock which wrap its default methods, but align more closely with jest's naming conventions. +- Extends `expect` with convenience methods allowing for expressive tests such as `expect(fetchMock).toHavePosted('http://example.com', {id: 'test-id'})`. +- Can optionally be hooked in to jest's global mock management methods such as `clearAllMocks()`. + +## Requirements + +@fetch-mock/jest requires either of the following to run: + +- [jest](https://jest.dev/guide/) +- The `fetch` API, via one of the following: + - [Node.js](https://nodejs.org/) 18+ for full feature operation + - Any modern browser that supports the `fetch` API + - [node-fetch](https://www.npmjs.com/package/node-fetch) when testing in earlier versions of Node.js (this is untested, but should mostly work) + +## Installation + +```shell +npm i -D @fetch-mock/jest +``` + +## Setup + +```js +import fetchMock, { manageFetchMockGlobally } from '@fetch-mock/jest'; +import { jest } from '@jest/glonals'; + +manageFetchMockGlobally(jest); // optional +``` + +## API + +### fetchMock (default export) + +An instance of [fetch-mock](/fetch-mock/docs/), with the following methods added: + +#### fetchMock.mockClear() + +Clears all call history from the mocked `fetch` implementation. + +#### fetchMock.mockReset() + +`fetchMock.mockReset({includeSticky: boolean})` + +Clears all call history from the mocked `fetch` implementation _and_ removes all routes (including fallback routes defined using `.spy()` or `.catch()`) with the exception of sticky routes. To remove these, pass in the `includeSticky: true` option. FOr more fine grained control over fallback routes and named routes please use `fetchMock.removeRoutes()` + +#### fetchMock.mockRestore() + +`fetchMock.mockRestore({includeSticky: boolean})` + +Calls `mockReset()` and additionally restores global fetch to its unmocked implementation. + +### manageFetchMockGlobally(jest) + +Hooks fetchMock up to jest's global mock management so that + +- `jest.clearAllMocks()` will call `fetchMock.mockClear()` +- `jest.resetAllMocks()` will call `fetchMock.mockReset()` +- `jest.restoreAllMocks()` will call `fetchMock.mockRestore()` + +Note that these **will not** clear any sticky routes added to fetchMock. You will need to make an additional call to `fetchMock.removeRoutes({includeSticky: true})`. + +### Expect extensions + +These are added to jest automatically and are available on any expect call that is passed fetchMock as an argument. Their behaviour is similar to the jest expectation methods mentioned in the comments below + +```js +expect(fetchMock).toHaveFetched(filter, options); // .toHaveBeenCalled()/.toHaveBeenCalledWith() +expect(fetchMock).toHaveLastFetched(filter, options); // .toHaveBeenLastCalledWith() +expect(fetchMock).toHaveNthFetched(n, filter, options); // .toHaveBeenNthCalled()/.toHaveBeenNthCalledWith() +expect(fetchMock).toHaveFetchedTimes(n, filter, options); // .toHaveBeenCalledTimes() +expect(fetchMock).toBeDone(filter); +``` + +### Notes + +- `filter` and `options` are the same as those used by `fetchMock.callHistory.calls()`. +- Each method can be prefixed with the `.not` helper for negative assertions. e.g. `expect(fetchMock).not.toBeDone('my-route')` +- In each of the method names `Fetched` can be replaced by any of the following verbs to scope to a particular method: + - Got + - Posted + - Put + - Deleted + - FetchedHead + - Patched + e.g. `expect(fetchMock).toHaveDeleted('http://example.com/user/1')` diff --git a/docs/docs/wrappers/vitest.md b/docs/docs/wrappers/vitest.md index b77063b9..f5f732cb 100644 --- a/docs/docs/wrappers/vitest.md +++ b/docs/docs/wrappers/vitest.md @@ -37,7 +37,7 @@ manageFetchMockGlobally(); // optional ## API -### fetchMock +### fetchMock (default export) An instance of [fetch-mock](/fetch-mock/docs/), with the following methods added: diff --git a/packages/jest/README.md b/packages/jest/README.md index 87d680dd..4da5a44e 100644 --- a/packages/jest/README.md +++ b/packages/jest/README.md @@ -16,70 +16,11 @@ A wrapper for fetch-mock that improves the developer experience when working wit - Any modern browser that supports the `fetch` API - [node-fetch](https://www.npmjs.com/package/node-fetch) when testing in earlier versions of Node.js (this is untested, but should mostly work) -## Installation +## Documentation and Usage -```shell -npm i -D @fetch-mock/jest -``` +See the [project website](https://www.wheresrhys.co.uk/fetch-mock/docs/wrappers/jest/) -## Setup +## License -```js -import fetchMock, { manageFetchMockGlobally } from '@fetch-mock/jest'; -import { jest } from '@jest/glonals'; - -manageFetchMockGlobally(jest); // optional -``` - -## API - -### fetchMock - -An instance of [@fetch-mock/core](https://www.wheresrhys.co.uk/fetch-mock/docs/@fetch-mock/core/), with the following methods added: - -#### fetchMock.mockClear() - -Clears all call history from the mocked `fetch` implementation. - -#### fetchMock.mockReset({includeSticky: boolean}) - -Clears all call history from the mocked `fetch` implementation _and_ removes all routes (including fallback routes defined using `.spy()` or `.catch()`) with the exception of sticky routes. To remove these, pass in the `includeSticky: true` option. FOr more fine grained control over fallback routes and named routes please use `fetchMock.removeRoutes()` - -#### fetchMock.mockRestore({includeSticky: boolean}) - -Calls `mockReset()` and additionally restores global fetch to its unmocked implementation. - -### manageFetchMockGlobally(jest) - -Hooks fetchMock up to jest's global mock management so that - -- `jest.clearAllMocks()` will call `fetchMock.mockClear()` -- `jest.resetAllMocks()` will call `fetchMock.mockReset()` -- `jest.restoreAllMocks()` will call `fetchMock.mockRestore()` - -Note that these **will not** clear any sticky routes added to fetchMock. You will need to make an additional call to `fetchMock.removeRoutes({includeSticky: true})`. - -### Expect extensions - -These are added to jest automatically and are available on any expect call that is passed fetchMock as an argument. Their behaviour is similar to the jest expectation methods mentioned in the comments below - -```js -expect(fetchMock).toHaveFetched(filter, options); // .toHaveBeenCalled()/.toHaveBeenCalledWith() -expect(fetchMock).toHaveLastFetched(filter, options); // .toHaveBeenLastCalledWith() -expect(fetchMock).toHaveNthFetched(n, filter, options); // .toHaveBeenNthCalled()/.toHaveBeenNthCalledWith() -expect(fetchMock).toHaveFetchedTimes(n, filter, options); // .toHaveBeenCalledTimes() -expect(fetchMock).toBeDone(filter); -``` - -### Notes - -- `filter` and `options` are the same as those used by `fetchMock.callHistory.calls()`. -- Each method can be prefixed with the `.not` helper for negative assertions. e.g. `expect(fetchMock).not.toBeDone('my-route')` -- In each of the method names `Fetched` can be replaced by any of the following verbs to scope to a particular method: - - Got - - Posted - - Put - - Deleted - - FetchedHead - - Patched - e.g. `expect(fetchMock).toHaveDeleted('http://example.com/user/1')` +@fetch-mock/vitest is licensed under the [MIT](https://github.com/wheresrhys/fetch-mock/blob/master/LICENSE) license. +Copyright © 2024, Rhys Evans