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future_task_test.go
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future_task_test.go
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package executors
import (
"context"
"errors"
"testing"
"github.com/stretchr/testify/require"
)
func TestFutureTask_Then(t *testing.T) {
service := NewPoolExecutorService[Person](WithMaxConcurrent(10))
thenName1 := ""
ch1 := make(chan struct{})
thenName2 := ""
ch2 := make(chan struct{})
t.Run("success then", func(t *testing.T) {
callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
return Person{
Name: "future1",
}, nil
})
f, err := service.Submit(callable)
require.NoError(t, err)
f.Then(func(val Person) {
thenName1 = val.Name
ch1 <- struct{}{}
})
})
t.Run("error then", func(t *testing.T) {
callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
if true {
ch2 <- struct{}{}
return Person{}, errors.New("text")
}
return Person{
Name: "future2",
}, nil
})
f, err := service.Submit(callable)
require.NoError(t, err)
f.Then(func(val Person) {
thenName2 = val.Name
ch2 <- struct{}{}
})
})
<-ch1
<-ch2
require.Equal(t, "future1", thenName1)
require.Equal(t, "", thenName2)
}
func TestFutureTask_Catch(t *testing.T) {
service := NewPoolExecutorService[Person](WithMaxConcurrent(10))
thenName1 := ""
ch1 := make(chan struct{})
thenName2 := ""
ch2 := make(chan struct{})
t.Run("success then", func(t *testing.T) {
callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
return Person{
Name: "future1",
}, nil
})
f, err := service.Submit(callable)
require.NoError(t, err)
f.Then(func(val Person) {
ch1 <- struct{}{}
})
f.Catch(func(err error) {
thenName1 = "future1"
ch1 <- struct{}{}
})
})
t.Run("error then", func(t *testing.T) {
callable := CallableFunc[Person](func(ctx context.Context) (Person, error) {
if true {
return Person{}, errors.New("future2")
}
return Person{
Name: "future2",
}, nil
})
f, err := service.Submit(callable)
require.NoError(t, err)
f.Catch(func(err error) {
thenName2 = err.Error()
ch2 <- struct{}{}
})
})
<-ch1
<-ch2
require.Equal(t, "", thenName1)
require.Equal(t, "future2", thenName2)
}