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worker_test.go
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package pzip
import (
"context"
"errors"
"fmt"
"runtime"
"testing"
)
type testdata struct {
sn int
}
func TestNewFailFastWorker(t *testing.T) {
t.Run("single worker", func(t *testing.T) {
w := NewFailFastWorker[testdata](func(params *testdata) error {
fmt.Println(params.sn)
return nil
}, 1, 1)
w.Start(context.Background())
for i := 0; i < 10; i++ {
if err := w.Submit(&testdata{sn: i}); err != nil {
t.Fatal(err)
}
}
if err := w.Wait(); err != nil {
t.Fatal(err)
}
})
t.Run("num cpus of worker", func(t *testing.T) {
w := NewFailFastWorker[testdata](func(params *testdata) error {
fmt.Println(params.sn)
return nil
}, runtime.GOMAXPROCS(0), runtime.GOMAXPROCS(0))
w.Start(context.Background())
for i := 0; i < 10; i++ {
if err := w.Submit(&testdata{sn: i}); err != nil {
t.Fatal(err)
}
}
if err := w.Wait(); err != nil {
t.Fatal(err)
}
})
var wantErr = errors.New("it is error")
t.Run("single worker has error", func(t *testing.T) {
w := NewFailFastWorker[testdata](func(params *testdata) error {
if params.sn == 5 {
fmt.Println(params.sn, " -> ", wantErr)
return wantErr
}
fmt.Println(params.sn)
return nil
}, 1, 1)
w.Start(context.Background())
for i := 0; i < 10; i++ {
if err := w.Submit(&testdata{sn: i}); err != nil {
if !errors.Is(err, wantErr) {
t.Fatal(err)
}
break
}
}
if err := w.Wait(); err != nil && !errors.Is(err, wantErr) {
t.Fatal(err)
}
})
t.Run("num cpus of worker has error", func(t *testing.T) {
w := NewFailFastWorker[testdata](func(params *testdata) error {
if params.sn == 5 {
fmt.Println(params.sn, " -> ", wantErr)
return wantErr
}
fmt.Println(params.sn)
return nil
}, runtime.GOMAXPROCS(0), 1)
w.Start(context.Background())
for i := 0; i < 10; i++ {
if err := w.Submit(&testdata{sn: i}); err != nil {
if !errors.Is(err, wantErr) {
t.Fatal(err)
}
break
}
}
if err := w.Wait(); err != nil && !errors.Is(err, wantErr) {
t.Fatal(err)
}
})
}