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limiter_test.go
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limiter_test.go
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package limiter
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"sync"
"testing"
"time"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/internal/storage/memory"
"github.com/gofiber/fiber/v2/utils"
"github.com/valyala/fasthttp"
)
// go test -run Test_Limiter_Concurrency_Store -race -v
func Test_Limiter_Concurrency_Store(t *testing.T) {
// Test concurrency using a custom store
app := fiber.New()
app.Use(New(Config{
Max: 50,
Expiration: 2 * time.Second,
Storage: memory.New(),
}))
app.Get("/", func(c *fiber.Ctx) error {
return c.SendString("Hello tester!")
})
var wg sync.WaitGroup
singleRequest := func(wg *sync.WaitGroup) {
defer wg.Done()
resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, fiber.StatusOK, resp.StatusCode)
body, err := ioutil.ReadAll(resp.Body)
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, "Hello tester!", string(body))
}
for i := 0; i <= 49; i++ {
wg.Add(1)
go singleRequest(&wg)
}
wg.Wait()
resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 429, resp.StatusCode)
time.Sleep(3 * time.Second)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 200, resp.StatusCode)
}
// go test -run Test_Limiter_Concurrency -race -v
func Test_Limiter_Concurrency(t *testing.T) {
// Test concurrency using a default store
app := fiber.New()
app.Use(New(Config{
Max: 50,
Expiration: 2 * time.Second,
}))
app.Get("/", func(c *fiber.Ctx) error {
return c.SendString("Hello tester!")
})
var wg sync.WaitGroup
singleRequest := func(wg *sync.WaitGroup) {
defer wg.Done()
resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, fiber.StatusOK, resp.StatusCode)
body, err := ioutil.ReadAll(resp.Body)
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, "Hello tester!", string(body))
}
for i := 0; i <= 49; i++ {
wg.Add(1)
go singleRequest(&wg)
}
wg.Wait()
resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 429, resp.StatusCode)
time.Sleep(3 * time.Second)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 200, resp.StatusCode)
}
// go test -run Test_Limiter_Skip_Failed_Requests -v
func Test_Limiter_Skip_Failed_Requests(t *testing.T) {
app := fiber.New()
app.Use(New(Config{
Max: 1,
Expiration: 2 * time.Second,
SkipFailedRequests: true,
}))
app.Get("/:status", func(c *fiber.Ctx) error {
if c.Params("status") == "fail" {
return c.SendStatus(400)
}
return c.SendStatus(200)
})
resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/fail", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 400, resp.StatusCode)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/success", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 200, resp.StatusCode)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/success", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 429, resp.StatusCode)
time.Sleep(3 * time.Second)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/success", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 200, resp.StatusCode)
}
// go test -run Test_Limiter_Skip_Successful_Requests -v
func Test_Limiter_Skip_Successful_Requests(t *testing.T) {
// Test concurrency using a default store
app := fiber.New()
app.Use(New(Config{
Max: 1,
Expiration: 2 * time.Second,
SkipSuccessfulRequests: true,
}))
app.Get("/:status", func(c *fiber.Ctx) error {
if c.Params("status") == "fail" {
return c.SendStatus(400)
}
return c.SendStatus(200)
})
resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/success", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 200, resp.StatusCode)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/fail", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 400, resp.StatusCode)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/fail", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 429, resp.StatusCode)
time.Sleep(3 * time.Second)
resp, err = app.Test(httptest.NewRequest(http.MethodGet, "/fail", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, 400, resp.StatusCode)
}
// go test -v -run=^$ -bench=Benchmark_Limiter_Custom_Store -benchmem -count=4
func Benchmark_Limiter_Custom_Store(b *testing.B) {
app := fiber.New()
app.Use(New(Config{
Max: 100,
Expiration: 60 * time.Second,
Storage: memory.New(),
}))
app.Get("/", func(c *fiber.Ctx) error {
return c.SendString("Hello, World!")
})
h := app.Handler()
fctx := &fasthttp.RequestCtx{}
fctx.Request.Header.SetMethod("GET")
fctx.Request.SetRequestURI("/")
b.ResetTimer()
for n := 0; n < b.N; n++ {
h(fctx)
}
}
// go test -run Test_Limiter_Next
func Test_Limiter_Next(t *testing.T) {
app := fiber.New()
app.Use(New(Config{
Next: func(_ *fiber.Ctx) bool {
return true
},
}))
resp, err := app.Test(httptest.NewRequest("GET", "/", nil))
utils.AssertEqual(t, nil, err)
utils.AssertEqual(t, fiber.StatusNotFound, resp.StatusCode)
}
func Test_Limiter_Headers(t *testing.T) {
app := fiber.New()
app.Use(New(Config{
Max: 50,
Expiration: 2 * time.Second,
}))
app.Get("/", func(c *fiber.Ctx) error {
return c.SendString("Hello tester!")
})
fctx := &fasthttp.RequestCtx{}
fctx.Request.Header.SetMethod("GET")
fctx.Request.SetRequestURI("/")
app.Handler()(fctx)
utils.AssertEqual(t, "50", string(fctx.Response.Header.Peek("X-RateLimit-Limit")))
if v := string(fctx.Response.Header.Peek("X-RateLimit-Remaining")); v == "" {
t.Errorf("The X-RateLimit-Remaining header is not set correctly - value is an empty string.")
}
if v := string(fctx.Response.Header.Peek("X-RateLimit-Reset")); !(v == "1" || v == "2") {
t.Errorf("The X-RateLimit-Reset header is not set correctly - value is out of bounds.")
}
}
// go test -v -run=^$ -bench=Benchmark_Limiter -benchmem -count=4
func Benchmark_Limiter(b *testing.B) {
app := fiber.New()
app.Use(New(Config{
Max: 100,
Expiration: 60 * time.Second,
}))
app.Get("/", func(c *fiber.Ctx) error {
return c.SendString("Hello, World!")
})
h := app.Handler()
fctx := &fasthttp.RequestCtx{}
fctx.Request.Header.SetMethod("GET")
fctx.Request.SetRequestURI("/")
b.ResetTimer()
for n := 0; n < b.N; n++ {
h(fctx)
}
}