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Jest Vue transformer
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Test fails to run when using CSS v-bind and parent directory starts with "x" #544

Open tcummin2 opened 1 year ago

tcummin2 commented 1 year ago

OS: Windows 11 Package: @vue/vue2-jest@29.2.4

I have my project in a directory starting with the letter "x". When I run the tests on my project in this directory, the tests fail with the error below. If I move my project to a different directory starting with a different letter, the tests run successfully.

For example: Working: C:/Documents/yvue/my-project Not working: C:/Documents/xvue/my-project

// jest.config.js
module.exports = {
  moduleFileExtensions: [
    'vue',
    'js'
  ],
  testEnvironment: 'jsdom',
  transform: {
    '.[jt]sx?$': 'babel-jest',
    '^.+\\.vue$': '@vue/vue2-jest'
  }
};
// HelloWorld.vue
<template>
  <div class="hello" data-testid="hello-world">
    Hello world!
  </div>
</template>

<script setup>
const fontSize = 55
</script>

<style scoped>
div {
  font-size: calc(v-bind(fontSize) * 1px);
}
</style>

Error:

  ● Test suite failed to run

    Jest encountered an unexpected token

    Jest failed to parse a file. This happens e.g. when your code or its dependencies use non-standard JavaScript syntax, or when Jest is not configured to support such syntax.

    Out of the box Jest supports Babel, which will be used to transform your files into valid JS based on your Babel configuration.

    By default "node_modules" folder is ignored by transformers.

    Here's what you can do:
     • If you are trying to use ECMAScript Modules, see https://jestjs.io/docs/ecmascript-modules for how to enable it.
     • If you are trying to use TypeScript, see https://jestjs.io/docs/getting-started#using-typescript
     • To have some of your "node_modules" files transformed, you can specify a custom "transformIgnorePatterns" in your config.
     • If you need a custom transformation specify a "transform" option in your config.
     • If you simply want to mock your non-JS modules (e.g. binary assets) you can stub them out with the "moduleNameMapper" config option.

    You'll find more details and examples of these config options in the docs:
    https://jestjs.io/docs/configuration
    For information about custom transformations, see:
    https://jestjs.io/docs/code-transformation

    Details:

    SyntaxError: Bad character escape sequence. (2:27)

      1 | import { render } from '@testing-library/vue'
    > 2 | import HelloWorld from './HelloWorld.vue'
        | ^
      3 |
      4 | describe('Hello World:', () => {
      5 |   it('renders', async () => {

      at instantiate (node_modules/@babel/parser/src/parse-error/credentials.ts:62:21)
      at instantiate (node_modules/@babel/parser/src/parse-error.ts:60:12)
      at Parser.toParseError [as raise] (node_modules/@babel/parser/src/tokenizer/index.ts:1487:19)
      at Object.raise [as invalidEscapeSequence] (node_modules/@babel/parser/src/tokenizer/index.ts:1556:12)
      at invalidEscapeSequence (node_modules/@babel/babel-helper-string-parser/src/index.ts:291:14)
      at readHexChar (node_modules/@babel/babel-helper-string-parser/src/index.ts:175:24)
      at readEscapedChar (node_modules/@babel/babel-helper-string-parser/src/index.ts:78:19)
      at Parser.readStringContents [as readString] (node_modules/@babel/parser/src/tokenizer/index.ts:1316:46)
      at Parser.readString [as getTokenFromCode] (node_modules/@babel/parser/src/tokenizer/index.ts:975:14)
      at Parser.getTokenFromCode [as nextToken] (node_modules/@babel/parser/src/tokenizer/index.ts:272:10)
      at Parser.nextToken [as next] (node_modules/@babel/parser/src/tokenizer/index.ts:119:10)
      at Parser.next [as parseObjectLike] (node_modules/@babel/parser/src/parser/expression.ts:2032:10)
      at Parser.parseObjectLike [as parseExprAtom] (node_modules/@babel/parser/src/parser/expression.ts:1199:21)
      at Parser.parseExprAtom [as parseExprSubscripts] (node_modules/@babel/parser/src/parser/expression.ts:718:23)
      at Parser.parseExprSubscripts [as parseUpdate] (node_modules/@babel/parser/src/parser/expression.ts:695:21)
      at Parser.parseUpdate [as parseMaybeUnary] (node_modules/@babel/parser/src/parser/expression.ts:657:23)
      at Parser.parseMaybeUnary [as parseMaybeUnaryOrPrivate] (node_modules/@babel/parser/src/parser/expression.ts:395:14)
      at Parser.parseMaybeUnaryOrPrivate [as parseExprOps] (node_modules/@babel/parser/src/parser/expression.ts:407:23)
      at Parser.parseExprOps [as parseMaybeConditional] (node_modules/@babel/parser/src/parser/expression.ts:362:23)
      at Parser.parseMaybeConditional [as parseMaybeAssign] (node_modules/@babel/parser/src/parser/expression.ts:302:21)
      at parseMaybeAssign (node_modules/@babel/parser/src/parser/expression.ts:256:12)
      at Parser.callback [as allowInAnd] (node_modules/@babel/parser/src/parser/expression.ts:3085:12)
      at Parser.allowInAnd [as parseMaybeAssignAllowIn] (node_modules/@babel/parser/src/parser/expression.ts:255:17)
      at Parser.parseMaybeAssignAllowIn [as parseParenAndDistinguishExpression] (node_modules/@babel/parser/src/parser/expression.ts:1784:16)
      at Parser.parseParenAndDistinguishExpression [as parseExprAtom] (node_modules/@babel/parser/src/parser/expression.ts:1171:21)
      at Parser.parseExprAtom [as parseExprSubscripts] (node_modules/@babel/parser/src/parser/expression.ts:718:23)
      at Parser.parseExprSubscripts [as parseUpdate] (node_modules/@babel/parser/src/parser/expression.ts:695:21)
      at Parser.parseUpdate [as parseMaybeUnary] (node_modules/@babel/parser/src/parser/expression.ts:657:23)
      at Parser.parseMaybeUnary [as parseMaybeUnaryOrPrivate] (node_modules/@babel/parser/src/parser/expression.ts:395:14)
      at Parser.parseMaybeUnaryOrPrivate [as parseExprOps] (node_modules/@babel/parser/src/parser/expression.ts:407:23)
      at Parser.parseExprOps [as parseMaybeConditional] (node_modules/@babel/parser/src/parser/expression.ts:362:23)
      at Parser.parseMaybeConditional [as parseMaybeAssign] (node_modules/@babel/parser/src/parser/expression.ts:302:21)
      at Parser.parseMaybeAssign [as parseExpressionBase] (node_modules/@babel/parser/src/parser/expression.ts:225:23)
      at parseExpressionBase (node_modules/@babel/parser/src/parser/expression.ts:216:39)
      at Parser.callback [as allowInAnd] (node_modules/@babel/parser/src/parser/expression.ts:3080:16)
      at Parser.allowInAnd [as parseExpression] (node_modules/@babel/parser/src/parser/expression.ts:216:17)
      at Parser.parseExpression [as getExpression] (node_modules/@babel/parser/src/parser/expression.ts:171:23)
      at Object.getExpression [as parseExpression] (node_modules/@babel/parser/src/index.ts:76:17)
      at prefixIdentifiers (node_modules/@vue/compiler-sfc/dist/compiler-sfc.js:7999:26)
      at genCssVarsCode (node_modules/@vue/compiler-sfc/dist/compiler-sfc.js:8146:52)
      at Object.compileScript (node_modules/@vue/compiler-sfc/dist/compiler-sfc.js:9013:42)
      at processTemplate (node_modules/@vue/vue2-jest/lib/process.js:95:45)
      at Object.module.exports [as process] (node_modules/@vue/vue2-jest/lib/process.js:146:26)
      at ScriptTransformer.transformSource (node_modules/@jest/transform/build/ScriptTransformer.js:542:31)
      at ScriptTransformer._transformAndBuildScript (node_modules/@jest/transform/build/ScriptTransformer.js:671:40)
      at ScriptTransformer.transform (node_modules/@jest/transform/build/ScriptTransformer.js:723:19)
      at Object.require (src/components/HelloWorld.spec.js:2:1)

In addition, if I remove the v-bind in the css, the tests run successfully.