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package request_test
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/request"
)
func TestHandlerList(t *testing.T) {
s := ""
r := &request.Request{}
l := request.HandlerList{}
l.PushBack(func(r *request.Request) {
s += "a"
r.Data = s
})
l.Run(r)
assert.Equal(t, "a", s)
assert.Equal(t, "a", r.Data)
}
func TestMultipleHandlers(t *testing.T) {
r := &request.Request{}
l := request.HandlerList{}
l.PushBack(func(r *request.Request) { r.Data = nil })
l.PushFront(func(r *request.Request) { r.Data = aws.Bool(true) })
l.Run(r)
if r.Data != nil {
t.Error("Expected handler to execute")
}
}
func TestNamedHandlers(t *testing.T) {
l := request.HandlerList{}
named := request.NamedHandler{Name: "Name", Fn: func(r *request.Request) {}}
named2 := request.NamedHandler{Name: "NotName", Fn: func(r *request.Request) {}}
l.PushBackNamed(named)
l.PushBackNamed(named)
l.PushBackNamed(named2)
l.PushBack(func(r *request.Request) {})
assert.Equal(t, 4, l.Len())
l.Remove(named)
assert.Equal(t, 2, l.Len())
}
func TestLoggedHandlers(t *testing.T) {
expectedHandlers := []string{"name1", "name2"}
l := request.HandlerList{}
loggedHandlers := []string{}
l.AfterEachFn = request.HandlerListLogItem
cfg := aws.Config{Logger: aws.LoggerFunc(func(args ...interface{}) {
loggedHandlers = append(loggedHandlers, args[2].(string))
})}
named1 := request.NamedHandler{Name: "name1", Fn: func(r *request.Request) {}}
named2 := request.NamedHandler{Name: "name2", Fn: func(r *request.Request) {}}
l.PushBackNamed(named1)
l.PushBackNamed(named2)
l.Run(&request.Request{Config: cfg})
assert.Equal(t, expectedHandlers, loggedHandlers)
}
func TestStopHandlers(t *testing.T) {
l := request.HandlerList{}
stopAt := 1
l.AfterEachFn = func(item request.HandlerListRunItem) bool {
return item.Index != stopAt
}
called := 0
l.PushBackNamed(request.NamedHandler{Name: "name1", Fn: func(r *request.Request) {
called++
}})
l.PushBackNamed(request.NamedHandler{Name: "name2", Fn: func(r *request.Request) {
called++
}})
l.PushBackNamed(request.NamedHandler{Name: "name3", Fn: func(r *request.Request) {
assert.Fail(t, "thrid handler should not be called")
}})
l.Run(&request.Request{})
assert.Equal(t, 2, called, "Expect only two handlers to be called")
}
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