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executor.go
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executor.go
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package main
import (
"flag"
"log"
"os"
"runtime"
"sync"
"sync/atomic"
"time"
)
func init() {
log.SetFlags(0)
}
func main() {
parallelism := flag.Int("parallelism", runtime.NumCPU(), "Number of test cases to run in parallel")
goFlag := flag.Bool("go", false, "Run go test harness")
ccFlag := flag.Bool("cc", false, "Run c++ test harness")
javaFlag := flag.Bool("java", false, "Run java test harness")
pythonFlag := flag.Bool("python", false, "Run python test harness")
externalHarnessFlag := flag.String("external_harness", "", "Path to a binary to be executed as an external test harness")
flag.Parse()
start := time.Now()
harnesses := Harnesses(*goFlag, *ccFlag, *javaFlag, *pythonFlag, *externalHarnessFlag)
successes, failures, skips := run(*parallelism, harnesses)
log.Printf("Successes: %d | Failures: %d | Skips: %d (%v)",
successes, failures, skips, time.Since(start))
if failures > 0 {
os.Exit(1)
}
}
func run(parallelism int, harnesses []Harness) (successes, failures, skips uint64) {
wg := new(sync.WaitGroup)
if parallelism <= 0 {
panic("Parallelism must be > 0")
}
if len(harnesses) == 0 {
panic("At least one harness must be selected with a flag")
}
wg.Add(parallelism)
in := make(chan TestCase)
out := make(chan TestResult)
done := make(chan struct{})
for i := 0; i < parallelism; i++ {
go Work(wg, in, out, harnesses)
}
go func() {
for res := range out {
if res.Skipped {
atomic.AddUint64(&skips, 1)
} else if res.OK {
atomic.AddUint64(&successes, 1)
} else {
atomic.AddUint64(&failures, 1)
}
}
close(done)
}()
for _, test := range TestCases {
in <- test
}
close(in)
wg.Wait()
close(out)
<-done
return
}