/**
* Custom Jest Reporter for detailed test failure tracking
* This reporter captures all test failures and displays them in a clear format at the end
*/
class TestFailureReporter {
constructor() {
this.failures = [];
this.currentTest = null;
}
onRunStart() {
console.log('\n🧪 Starting test run...\n');
}
onTestStart(test) {
this.currentTest = test;
}
onTestResult(test, testResult) {
// Track any failures in this test suite
testResult.testResults.forEach(result => {
if (result.status === 'failed') {
this.failures.push({
testFile: test.path,
testName: result.fullName,
error: result.failureMessages,
duration: result.duration
});
}
});
}
onRunComplete(contexts, results) {
console.log('\n' + '='.repeat(80));
console.log('📊 TEST RUN SUMMARY');
console.log('='.repeat(80));
const { numTotalTests, numPassedTests, numFailedTests, numPendingTests } = results;
console.log(`Total Tests: ${numTotalTests}`);
console.log(`✅ Passed: ${numPassedTests}`);
console.log(`❌ Failed: ${numFailedTests}`);
console.log(`⏸️ Pending: ${numPendingTests}`);
if (this.failures.length > 0) {
console.log('\n' + '❌'.repeat(20) + ' FAILED TESTS ' + '❌'.repeat(20));
this.failures.forEach((failure, index) => {
console.log(`\n${index + 1}. ${failure.testName}`);
console.log(` File: ${failure.testFile}`);
console.log(` Duration: ${failure.duration}ms`);
console.log(' Error:');
failure.error.forEach(error => {
// Clean up the error message for better readability
const cleanError = error
.replace(/Error: /g, '')
.replace(/at.*\(.*\)/g, '') // Remove stack trace lines
.replace(/\n\s*\n/g, '\n') // Remove extra blank lines
.trim();
console.log(` ${cleanError}`);
});
console.log('-'.repeat(60));
});
console.log(`\n💡 Total Failures: ${this.failures.length}`);
console.log('\n🔍 To debug a specific failure, run:');
console.log(` npm test -- --testNamePattern="${this.failures[0].testName}"`);
} else {
console.log('\n🎉 All tests passed!');
}
console.log('='.repeat(80));
}
}
export default TestFailureReporter;
