🪟 🔧 Use jest directly as test runner #21174
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| module.exports = { | ||
| env: { | ||
| test: { | ||
| // Define presets used to compile code when running jest tests | ||
| presets: [ | ||
| ["@babel/preset-env", { targets: { node: "current" } }], | ||
| ["@babel/preset-react", { runtime: "automatic" }], | ||
| "@babel/preset-typescript", | ||
| ], | ||
| }, | ||
| }, | ||
| }; | ||
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| // eslint-disable-next-line jest/no-jest-import | ||
| import type { Config } from "jest"; | ||
|
There was a problem hiding this comment. ℹ️ Actual jest config, compiled from our previous |
||
|
|
||
| const jestConfig: Config = { | ||
| verbose: true, | ||
| // Required to overwrite the default which would ignore node_modules from transformation, | ||
| // but several node_modules are not transpiled so they would fail without babel transformation running | ||
| transformIgnorePatterns: [], | ||
| snapshotSerializers: ["./src/test-utils/classname-serializer.js"], | ||
| coveragePathIgnorePatterns: ["\\.stories\\.tsx$"], | ||
| modulePathIgnorePatterns: ["src/.*/__mocks__"], | ||
| testEnvironment: "jsdom", | ||
| moduleDirectories: ["node_modules", "src"], | ||
| moduleNameMapper: { | ||
| "\\.module\\.scss$": "test-utils/mock-data/mockIdentity.js", | ||
| "\\.(css|png|svg|scss)$": "test-utils/mock-data/mockEmpty.js", | ||
|
Comment on lines
+15
to
+16
There was a problem hiding this comment. ℹ️ Make sure we mock asset imports in a way that jest test run properly. |
||
| }, | ||
| setupFilesAfterEnv: ["./src/test-utils/setup-tests.ts"], | ||
|
There was a problem hiding this comment. ℹ️ Moved this file (and the |
||
| }; | ||
|
|
||
| export default jestConfig; | ||
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
File renamed without changes.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| // An empty object exported that jest can use for png, css, or svg asset imports | ||
| module.exports = {}; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| // A mock that will return the name of the property called on it. | ||
| // Useful for mocking out (S)CSS modules. | ||
|
|
||
| module.exports = new Proxy( | ||
| {}, | ||
| { | ||
| get: (target, key) => { | ||
| if (key === "__esModule") { | ||
| return false; | ||
| } | ||
| return key; | ||
| }, | ||
| } | ||
| ); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| // jest-dom adds custom jest matchers for asserting on DOM nodes. | ||
| // allows you to do things like: | ||
| // expect(element).toHaveTextContent(/react/i) | ||
| // learn more: https://github.com/testing-library/jest-dom | ||
| import "@testing-library/jest-dom/extend-expect"; | ||
| import "@testing-library/jest-dom"; | ||
| import "../globals"; | ||
|
|
||
| // jsdom doesn't mock `matchMedia`, which is required by react-slick | ||
| Object.defineProperty(window, "matchMedia", { | ||
|
There was a problem hiding this comment. ℹ️ Rewrote this mock slightly from what we had beforehand here, to align with what |
||
| writable: true, | ||
| value: jest.fn().mockImplementation((query) => ({ | ||
| matches: false, | ||
| media: query, | ||
| onchange: null, | ||
| addListener: jest.fn(), // deprecated | ||
| removeListener: jest.fn(), // deprecated | ||
| addEventListener: jest.fn(), | ||
| removeEventListener: jest.fn(), | ||
| dispatchEvent: jest.fn(), | ||
| })), | ||
| }); | ||
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
ℹ️ Add the require babel configuration (that
babel-jestwill read) that is required to transform our code. We only add this when running in thetestenvironment, to not potentially collide with any configuration of Create React App, while we're still using it to build the rest of the app.