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rate_limit_test.go
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rate_limit_test.go
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package ratelimit
import (
"testing"
"time"
)
func TestInitTokenBucket(t *testing.T) {
tb := InitTokenBucket(1024)
if cap(tb.TokenBucket) != 1024 || len(tb.TokenBucket) != 0 {
t.Errorf("expect len = 0 and cap = 100, got len = %d cap = %d", len(tb.TokenBucket), cap(tb.TokenBucket))
}
}
func TestTokenBucket_FetchToken(t *testing.T) {
tb := InitTokenBucket(1024)
tb.FillToken(time.Millisecond*20, time.Millisecond*200)
time.Sleep(time.Millisecond * 20)
uid, fetch := tb.FetchToken()
if !fetch {
t.Error("not fetch token")
}
if len(uid) == 0 {
t.Error("got empty token")
}
}
func TestTokenBucket_Preheat(t *testing.T) {
tb := InitTokenBucket(1024)
err := tb.Preheat(100)
if err != nil {
t.Fatal(err)
}
if len(tb.TokenBucket) != 100 {
t.Errorf("expect len = 100 got len = %d", len(tb.TokenBucket))
}
}
func TestTokenBucket_Flush(t *testing.T) {
tb := InitTokenBucket(1024)
err := tb.Preheat(100)
if err != nil {
t.Fatal(err)
}
err = tb.Flush(time.Millisecond * 20)
if err != nil {
t.Fatal(err)
}
if len(tb.TokenBucket) != 0 {
t.Errorf("expect len = 0 got len = %d", len(tb.TokenBucket))
}
}
func TestTokenBucket_Stop(t *testing.T) {
tb := InitTokenBucket(1024)
go func() {
tb.FillToken(time.Second*20, time.Hour)
}()
go func() {
time.Sleep(time.Second)
tb.Stop()
}()
if _, fetch := tb.FetchToken(); fetch {
t.Fatalf("expect false got %v", fetch)
}
}