Counting tests in JUnit report files

txtCounter.groovy

def path = args[0]
def regexp = /^Tests run: (\d+), Failures: (\d+), Errors: (\d+), Skipped: (\d+),/

def results = [:].withDefault { 0 }

new File(path).eachFileMatch ~/.*\.txt/, { File file ->
    file.eachLine { String line ->
        def matcher = line =~ regexp;
        matcher.each { pattern, tests, failures, errors, skipped ->
            results['tests'] += tests.toInteger()
            results['failures'] += failures.toInteger()
            results['errors'] += errors.toInteger()
            results['skipped'] += skipped.toInteger()
        }
    }
}

println results