driftctl/pkg/parallel_runner_test.go

75 lines
1.1 KiB
Go

package pkg
import (
"context"
"testing"
"github.com/pkg/errors"
"github.com/stretchr/testify/assert"
)
func TestParallelRunner_RunOk(t *testing.T) {
assert := assert.New(t)
runner := NewParallelRunner(context.TODO(), 10)
for i := 0; i < 100; i++ {
runner.Run(func() (interface{}, error) {
return 1, nil
})
}
val := 0
Loop:
for {
select {
case res, ok := <-runner.Read():
if !ok {
break Loop
}
val += res.(int)
case <-runner.DoneChan():
break Loop
}
}
assert.Nil(runner.Err())
assert.Equal(100, val)
}
func TestParallelRunner_RunWithError(t *testing.T) {
assert := assert.New(t)
runner := NewParallelRunner(context.TODO(), 10)
err := errors.New("test")
for i := 0; i < 100; i++ {
val := i
runner.Run(func() (interface{}, error) {
if val <= 10 {
return 0, err
}
return 1, nil
})
}
val := 0
Loop:
for {
select {
case res, ok := <-runner.Read():
if !ok {
break Loop
}
val += res.(int)
case <-runner.DoneChan():
break Loop
}
}
assert.Equal(err, runner.Err())
assert.Less(val, 100)
}