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executor_test.go
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executor_test.go
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package butcher
import (
"context"
"fmt"
"time"
)
type basicExecutor struct {
Size int
Results []bool
}
func (b *basicExecutor) GenerateJob(ctx context.Context, jobCh chan<- int) error {
for i := 0; i < b.Size; i++ {
jobCh <- i
}
return nil
}
func (b *basicExecutor) Task(ctx context.Context, job int) error {
i := job
b.Results[i] = true
return nil
}
type retryExecutor struct {
Size int
Results []int
Finished []bool
Errors []error
}
func (r *retryExecutor) GenerateJob(ctx context.Context, jobCh chan<- int) error {
for i := 0; i < r.Size; i++ {
jobCh <- i
}
return nil
}
func (r *retryExecutor) Task(ctx context.Context, job int) error {
i := job
r.Results[i]++
if v := r.Results[i]; v <= i {
panic(fmt.Errorf("boom"))
}
return nil
}
func (r *retryExecutor) OnFinish(ctx context.Context, job int, err error) {
i := job
if err == nil {
r.Finished[i] = true
} else {
r.Errors[i] = err
}
}
type taskTimeoutExecutor struct {
Size int
Results []bool
Errors []error
}
func (t *taskTimeoutExecutor) GenerateJob(ctx context.Context, jobCh chan<- int) error {
for i := 0; i < t.Size; i++ {
jobCh <- i
}
return nil
}
func (t *taskTimeoutExecutor) Task(ctx context.Context, job int) error {
i := time.Duration(job)
time.Sleep(i * 100 * time.Millisecond)
t.Results[i] = true
return nil
}
func (t *taskTimeoutExecutor) OnFinish(ctx context.Context, job int, err error) {
i := job
t.Errors[i] = err
}
type signalInterruptExecutor struct {
Size int
Results []bool
}
func (s *signalInterruptExecutor) GenerateJob(ctx context.Context, jobCh chan<- int) error {
for i := 0; i < s.Size; i++ {
time.Sleep(100 * time.Millisecond)
jobCh <- i
}
return nil
}
func (s *signalInterruptExecutor) Task(ctx context.Context, job int) error {
i := job
s.Results[i] = true
return nil
}
type generatorErrorExecutor struct {
Size int
Results []bool
}
func (g *generatorErrorExecutor) GenerateJob(ctx context.Context, jobCh chan<- int) error {
for i := 0; i < g.Size; i++ {
if i >= 3 {
panic(fmt.Errorf("boom"))
}
jobCh <- i
}
return nil
}
func (g *generatorErrorExecutor) Task(ctx context.Context, job int) error {
i := job
g.Results[i] = true
return nil
}