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pool_test.go
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/
pool_test.go
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package pool
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func Test(t *testing.T) {
t.Run("no errors", func(t *testing.T) {
ok := 0
fn := func() error {
ok++
return nil
}
jobs := []Job{fn, fn, fn, fn, fn, fn}
p := New(3)
err := p.Run(jobs...)
require.Nil(t, err)
require.Equal(t, len(jobs), ok)
})
t.Run("with errors", func(t *testing.T) {
processed := 0
ok := 0
wantErr := fmt.Errorf("err")
fn := func() error {
processed++
ok++
return nil
}
fnErr := func() error {
processed++
return wantErr
}
okJobs := []Job{fn, fn, fn, fn, fn}
jobs := append(okJobs, fnErr)
jobs = append(jobs, okJobs...)
size := 2
p := New(size)
err := p.Run(jobs...)
// The number of jobs processed differs depending on how many of the
// jobs the workers manage to start before the error is returned.
require.GreaterOrEqual(t, processed, len(okJobs)+1)
require.Equal(t, processed-1, ok)
require.Equal(t, err, wantErr)
})
}