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ratelimit_test.go
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ratelimit_test.go
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package discordgo
import (
"fmt"
"net/http"
"strconv"
"testing"
"time"
)
// This test takes ~2 seconds to run
func TestRatelimitReset(t *testing.T) {
rl := NewRatelimiter()
sendReq := func(endpoint string) {
bucket := rl.LockBucket(endpoint)
headers := http.Header(make(map[string][]string))
headers.Set("X-RateLimit-Remaining", "0")
// Reset for approx 2 seconds from now
headers.Set("X-RateLimit-Reset", fmt.Sprint(float64(time.Now().Add(time.Second*2).UnixNano())/1e9))
headers.Set("Date", time.Now().Format(time.RFC850))
err := bucket.Release(headers)
if err != nil {
t.Errorf("Release returned error: %v", err)
}
}
sent := time.Now()
sendReq("/guilds/99/channels")
sendReq("/guilds/55/channels")
sendReq("/guilds/66/channels")
sendReq("/guilds/99/channels")
sendReq("/guilds/55/channels")
sendReq("/guilds/66/channels")
// We hit the same endpoint 2 times, so we should only be ratelimited 2 second
// And always less than 4 seconds (unless you're on a stoneage computer or using swap or something...)
if time.Since(sent) >= time.Second && time.Since(sent) < time.Second*4 {
t.Log("OK", time.Since(sent))
} else {
t.Error("Did not ratelimit correctly, got:", time.Since(sent))
}
}
// This test takes ~1 seconds to run
func TestRatelimitGlobal(t *testing.T) {
rl := NewRatelimiter()
sendReq := func(endpoint string) {
bucket := rl.LockBucket(endpoint)
headers := http.Header(make(map[string][]string))
headers.Set("X-RateLimit-Global", "1")
// Reset for approx 1 seconds from now
headers.Set("X-RateLimit-Reset-After", "1")
err := bucket.Release(headers)
if err != nil {
t.Errorf("Release returned error: %v", err)
}
}
sent := time.Now()
// This should trigger a global ratelimit
sendReq("/guilds/99/channels")
time.Sleep(time.Millisecond * 100)
// This shouldn't go through in less than 1 second
sendReq("/guilds/55/channels")
if time.Since(sent) >= time.Second && time.Since(sent) < time.Second*2 {
t.Log("OK", time.Since(sent))
} else {
t.Error("Did not ratelimit correctly, got:", time.Since(sent))
}
}
func BenchmarkRatelimitSingleEndpoint(b *testing.B) {
rl := NewRatelimiter()
for i := 0; i < b.N; i++ {
sendBenchReq("/guilds/99/channels", rl)
}
}
func BenchmarkRatelimitParallelMultiEndpoints(b *testing.B) {
rl := NewRatelimiter()
b.RunParallel(func(pb *testing.PB) {
i := 0
for pb.Next() {
sendBenchReq("/guilds/"+strconv.Itoa(i)+"/channels", rl)
i++
}
})
}
// Does not actually send requests, but locks the bucket and releases it with made-up headers
func sendBenchReq(endpoint string, rl *RateLimiter) {
bucket := rl.LockBucket(endpoint)
headers := http.Header(make(map[string][]string))
headers.Set("X-RateLimit-Remaining", "10")
headers.Set("X-RateLimit-Reset", fmt.Sprint(float64(time.Now().UnixNano())/1e9))
headers.Set("Date", time.Now().Format(time.RFC850))
bucket.Release(headers)
}