45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
// Consistent timezone for testing.
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// This does not work on windows, see https://github.com/nodejs/node/issues/4230
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/* global process, module */
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process.env.TZ = 'UTC';
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module.exports = {
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collectCoverageFrom: [
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'app/javascript/**/*.{js,jsx}',
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// This exclusion avoids running coverage on Barrel files, https://twitter.com/housecor/status/981558704708472832
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'!app/javascript/**/index.js',
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'!app/javascript/packs/**/*.js', // avoids running coverage on webpacker pack files
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'!**/__tests__/**',
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'!**/__stories__/**',
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'!app/javascript/storybook-static/**/*.js',
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],
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coverageThreshold: {
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global: {
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statements: 38,
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branches: 34,
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functions: 34,
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lines: 39,
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},
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},
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moduleNameMapper: {
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'\\.(svg|png)$': '<rootDir>/empty-module.js',
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'^@crayons(.*)$': '<rootDir>/app/javascript/crayons$1',
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'^@utilities(.*)$': '<rootDir>/app/javascript/utilities$1',
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},
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snapshotSerializers: ['preact-render-spy/snapshot'],
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// The webpack config folder for webpacker is excluded as it has a test.js file that gets
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// picked up by jest if this folder is not excluded causing a false negative of a test suite failing.
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testPathIgnorePatterns: [
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'/node_modules/',
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'./config/webpack',
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// Allows developers to add utility modules that jest won't run as test suites.
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'/__tests__/utilities/',
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'./app/javascript/storybook-static',
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],
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watchPlugins: [
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'jest-watch-typeahead/filename',
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'jest-watch-typeahead/testname',
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],
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};
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