From ad9ab433d20bbf94b94c3cfd1b991b8874aa28dc Mon Sep 17 00:00:00 2001 From: Dirk-Jan Rutten Date: Tue, 21 Aug 2018 14:30:00 +0200 Subject: [PATCH] Example of a mutation including tests (#1998) * WIP an example of a mutation including tests * Completed error example --- examples/mutation/.gitignore | 21 +++++ examples/mutation/package.json | 22 +++++ examples/mutation/public/favicon.ico | Bin 0 -> 3870 bytes examples/mutation/public/index.html | 40 ++++++++ examples/mutation/public/manifest.json | 15 +++ .../src/__snapshots__/addUser.test.js.snap | 15 +++ examples/mutation/src/addUser.js | 64 +++++++++++++ examples/mutation/src/addUser.test.js | 86 ++++++++++++++++++ examples/mutation/src/index.css | 5 + examples/mutation/src/index.js | 18 ++++ 10 files changed, 286 insertions(+) create mode 100644 examples/mutation/.gitignore create mode 100644 examples/mutation/package.json create mode 100644 examples/mutation/public/favicon.ico create mode 100644 examples/mutation/public/index.html create mode 100644 examples/mutation/public/manifest.json create mode 100644 examples/mutation/src/__snapshots__/addUser.test.js.snap create mode 100644 examples/mutation/src/addUser.js create mode 100644 examples/mutation/src/addUser.test.js create mode 100644 examples/mutation/src/index.css create mode 100644 examples/mutation/src/index.js diff --git a/examples/mutation/.gitignore b/examples/mutation/.gitignore new file mode 100644 index 0000000000..d30f40ef44 --- /dev/null +++ b/examples/mutation/.gitignore @@ -0,0 +1,21 @@ +# See https://help.github.com/ignore-files/ for more about ignoring files. + +# dependencies +/node_modules + +# testing +/coverage + +# production +/build + +# misc +.DS_Store +.env.local +.env.development.local +.env.test.local +.env.production.local + +npm-debug.log* +yarn-debug.log* +yarn-error.log* diff --git a/examples/mutation/package.json b/examples/mutation/package.json new file mode 100644 index 0000000000..0a6f34f1d9 --- /dev/null +++ b/examples/mutation/package.json @@ -0,0 +1,22 @@ +{ + "name": "mutation", + "version": "0.1.0", + "private": true, + "dependencies": { + "apollo-boost": "^0.1.6", + "graphql": "^0.13.2", + "react": "^16.3.2", + "react-dom": "^16.3.2", + "react-scripts": "1.1.4", + "react-apollo": "../../lib" + }, + "scripts": { + "start": "react-scripts start", + "build": "react-scripts build", + "test": "react-scripts test --env=jsdom", + "eject": "react-scripts eject" + }, + "devDependencies": { + "react-testing-library": "^3.1.3" + } +} diff --git a/examples/mutation/public/favicon.ico b/examples/mutation/public/favicon.ico new file mode 100644 index 0000000000000000000000000000000000000000..a11777cc471a4344702741ab1c8a588998b1311a GIT binary patch literal 3870 zcma);c{J4h9>;%nil|2-o+rCuEF-(I%-F}ijC~o(k~HKAkr0)!FCj~d>`RtpD?8b; 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+ + + diff --git a/examples/mutation/public/manifest.json b/examples/mutation/public/manifest.json new file mode 100644 index 0000000000..ef19ec243e --- /dev/null +++ b/examples/mutation/public/manifest.json @@ -0,0 +1,15 @@ +{ + "short_name": "React App", + "name": "Create React App Sample", + "icons": [ + { + "src": "favicon.ico", + "sizes": "64x64 32x32 24x24 16x16", + "type": "image/x-icon" + } + ], + "start_url": "./index.html", + "display": "standalone", + "theme_color": "#000000", + "background_color": "#ffffff" +} diff --git a/examples/mutation/src/__snapshots__/addUser.test.js.snap b/examples/mutation/src/__snapshots__/addUser.test.js.snap new file mode 100644 index 0000000000..5a38ad8909 --- /dev/null +++ b/examples/mutation/src/__snapshots__/addUser.test.js.snap @@ -0,0 +1,15 @@ +// Jest Snapshot v1, https://goo.gl/fbAQLP + +exports[`renders content if the mutation has not been called 1`] = ` +
+ + +
+`; diff --git a/examples/mutation/src/addUser.js b/examples/mutation/src/addUser.js new file mode 100644 index 0000000000..e394219c8f --- /dev/null +++ b/examples/mutation/src/addUser.js @@ -0,0 +1,64 @@ +import React from 'react'; +import { Mutation } from 'react-apollo'; +import { gql } from 'apollo-boost'; + +export const ADD_USER = gql` + mutation create($username: String!) { + createUser(username: $username) { + id + username + } + } +`; + +export default class AddUser extends React.Component { + state = { + username: '', + }; + render() { + const { username } = this.state; + + return ( + {}}> + {(addUser, result) => { + const { data, loading, error, called } = result; + + if (!called) { + return ( +
+ this.setState({ username: e.target.value })} + /> + +
+ ); + } + if (loading) { + return
LOADING
; + } + if (error) { + return
ERROR
; + } + + const { createUser } = data; + + if (createUser) { + const { username, id } = createUser; + + return ( +
+ Created {username} with id {id} +
+ ); + } else { + return null; + } + }} + + ); + } +} diff --git a/examples/mutation/src/addUser.test.js b/examples/mutation/src/addUser.test.js new file mode 100644 index 0000000000..1c1995c459 --- /dev/null +++ b/examples/mutation/src/addUser.test.js @@ -0,0 +1,86 @@ +import React from 'react'; +import { render, Simulate, wait } from 'react-testing-library'; +import { MockedProvider } from 'react-apollo/test-utils'; + +import AddUser, { ADD_USER } from './addUser'; + +const request = { + query: ADD_USER, + variables: { username: 'peter' }, +}; + +const mocks = [ + { + request, + result: { + data: { + createUser: { + id: '1', + username: 'peter', + }, + }, + }, + }, +]; + +const mocksWithError = [ + { + request, + error: new Error('Something went wrong'), + }, +]; + +const waitUntilLoadingIsFinished = queryByText => + wait(() => { + expect(queryByText('LOADING')).toBe(null); + }); + +it('renders content if the mutation has not been called', () => { + const { container } = render( + + + , + ); + expect(container.firstChild).toMatchSnapshot(); +}); + +it('fires the mutation', async () => { + const { container, getByPlaceholderText, getByTestId, getByText, queryByText } = render( + + + , + ); + + const inputNode = getByPlaceholderText('Username'); + inputNode.value = 'peter'; + Simulate.change(inputNode); + + const buttonNode = getByTestId('add-user-button'); + Simulate.click(buttonNode); + + getByText('LOADING'); + + await waitUntilLoadingIsFinished(queryByText); + + getByText('Created peter with id 1'); +}); + +it('errors', async () => { + const { getByTestId, getByText, getByPlaceholderText, queryByText } = render( + + + , + ); + + const inputNode = getByPlaceholderText('Username'); + inputNode.value = 'peter'; + Simulate.change(inputNode); + + const buttonNode = getByTestId('add-user-button'); + + Simulate.click(buttonNode); + + await waitUntilLoadingIsFinished(queryByText); + + getByText('ERROR'); +}); diff --git a/examples/mutation/src/index.css b/examples/mutation/src/index.css new file mode 100644 index 0000000000..b4cc7250b9 --- /dev/null +++ b/examples/mutation/src/index.css @@ -0,0 +1,5 @@ +body { + margin: 0; + padding: 0; + font-family: sans-serif; +} diff --git a/examples/mutation/src/index.js b/examples/mutation/src/index.js new file mode 100644 index 0000000000..d2cf72547b --- /dev/null +++ b/examples/mutation/src/index.js @@ -0,0 +1,18 @@ +import React from 'react'; +import { render } from 'react-dom'; +import ApolloClient from 'apollo-boost'; +import { ApolloProvider } from 'react-apollo'; + +import AddUser from './addUser'; + +const client = new ApolloClient({ + uri: 'https://kqpk9j3kz7.lp.gql.zone/graphql', +}); + +const WrappedApp = ( + + + +); + +render(WrappedApp, document.getElementById('root'));