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import {spawnSync} from 'child_process';
import {readFile, writeFile} from 'fs/promises';
(async () => {
const error = await readFile('puppeteer-error.txt', 'utf-8');
const behavior = JSON.parse(
await readFile('puppeteer-behavior.json', 'utf-8')
) as {flaky?: boolean; noError?: boolean};
let maxRepetitions = 1;
if (behavior.flaky) {
maxRepetitions = 100;
}
let status: number | null = null;
let stderr = '';
let stdout = '';
const preHook = async () => {
console.log('Writing output and error logs...');
await Promise.all([
writeFile('output.log', stdout),
writeFile('error.log', stderr),
]);
};
let checkStatusWithError: () => Promise<void>;
if (behavior.noError) {
checkStatusWithError = async () => {
if (status === 0) {
await preHook();
console.log('Script ran successfully; no error found.');
process.exit(0);
}
};
} else {
checkStatusWithError = async () => {
if (status !== 0) {
await preHook();
if (stderr.toLowerCase().includes(error.toLowerCase())) {
console.log('Script failed; error found.');
process.exit(0);
}
console.error('Script failed; unknown error found.');
process.exit(1);
}
};
}
for (let i = 0; i < maxRepetitions; ++i) {
const result = spawnSync('npm', ['start'], {
shell: true,
encoding: 'utf-8',
});
status = result.status;
stdout = result.stdout ?? '';
stderr = result.stderr ?? '';
await checkStatusWithError();
}
await preHook();
if (behavior.noError) {
console.error('Script failed; unknown error found.');
} else {
console.error('Script ran successfully; no error found.');
}
process.exit(1);
})();
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