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import { run } from 'node:test';
import { spec } from 'node:test/reporters';
import arg from 'arg';
import glob from 'tiny-glob';
const isCI = !!process.env.CI;
const defaultTimeout = isCI ? 30000 : 20000;
export default async function test() {
const args = arg({
'--match': String, // aka --test-name-pattern: https://nodejs.org/api/test.html#filtering-tests-by-name
'--only': Boolean, // aka --test-only: https://nodejs.org/api/test.html#only-tests
'--parallel': Boolean, // aka --test-concurrency: https://nodejs.org/api/test.html#test-runner-execution-model
'--watch': Boolean, // experimental: https://nodejs.org/api/test.html#watch-mode
'--timeout': Number, // Test timeout in milliseconds (default: 30000ms)
'--setup': String, // Test setup file
// Aliases
'-m': '--match',
'-o': '--only',
'-p': '--parallel',
'-w': '--watch',
'-t': '--timeout',
'-s': '--setup',
});
const pattern = args._[1];
if (!pattern) throw new Error('Missing test glob pattern');
const files = await glob(pattern, { filesOnly: true, absolute: true });
// For some reason, the `only` option does not work and we need to explicitly set the CLI flag instead.
// Node.js requires opt-in to run .only tests :(
// https://nodejs.org/api/test.html#only-tests
if (args['--only']) {
process.env.NODE_OPTIONS ??= '';
process.env.NODE_OPTIONS += ' --test-only';
}
// https://nodejs.org/api/test.html#runoptions
run({
files,
testNamePatterns: args['--match'],
concurrency: args['--parallel'],
only: args['--only'],
setup: args['--setup'],
watch: args['--watch'],
timeout: args['--timeout'] ?? defaultTimeout, // Node.js defaults to Infinity, so set better fallback
})
.pipe(new spec())
.pipe(process.stdout);
}
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