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authorJason A. Donenfeld <Jason@zx2c4.com>2018-02-12 23:48:09 +0100
committerJason A. Donenfeld <Jason@zx2c4.com>2018-02-12 23:49:41 +0100
commitff8f3a412ebf3b83b2d67fdafcc3311800fd39ee (patch)
treec384d62c158874ca6ebcc25a37cf80a18c56330a /ratelimiter/ratelimiter_test.go
parentRevert "Don't use modules" (diff)
downloadwireguard-go-ff8f3a412ebf3b83b2d67fdafcc3311800fd39ee.tar.xz
wireguard-go-ff8f3a412ebf3b83b2d67fdafcc3311800fd39ee.zip
Use relative imports
Diffstat (limited to 'ratelimiter/ratelimiter_test.go')
-rw-r--r--ratelimiter/ratelimiter_test.go98
1 files changed, 98 insertions, 0 deletions
diff --git a/ratelimiter/ratelimiter_test.go b/ratelimiter/ratelimiter_test.go
new file mode 100644
index 0000000..37339ee
--- /dev/null
+++ b/ratelimiter/ratelimiter_test.go
@@ -0,0 +1,98 @@
+package ratelimiter
+
+import (
+ "net"
+ "testing"
+ "time"
+)
+
+type RatelimiterResult struct {
+ allowed bool
+ text string
+ wait time.Duration
+}
+
+func TestRatelimiter(t *testing.T) {
+
+ var ratelimiter Ratelimiter
+ var expectedResults []RatelimiterResult
+
+ Nano := func(nano int64) time.Duration {
+ return time.Nanosecond * time.Duration(nano)
+ }
+
+ Add := func(res RatelimiterResult) {
+ expectedResults = append(
+ expectedResults,
+ res,
+ )
+ }
+
+ for i := 0; i < packetsBurstable; i++ {
+ Add(RatelimiterResult{
+ allowed: true,
+ text: "inital burst",
+ })
+ }
+
+ Add(RatelimiterResult{
+ allowed: false,
+ text: "after burst",
+ })
+
+ Add(RatelimiterResult{
+ allowed: true,
+ wait: Nano(time.Second.Nanoseconds() / packetsPerSecond),
+ text: "filling tokens for single packet",
+ })
+
+ Add(RatelimiterResult{
+ allowed: false,
+ text: "not having refilled enough",
+ })
+
+ Add(RatelimiterResult{
+ allowed: true,
+ wait: 2 * (Nano(time.Second.Nanoseconds() / packetsPerSecond)),
+ text: "filling tokens for two packet burst",
+ })
+
+ Add(RatelimiterResult{
+ allowed: true,
+ text: "second packet in 2 packet burst",
+ })
+
+ Add(RatelimiterResult{
+ allowed: false,
+ text: "packet following 2 packet burst",
+ })
+
+ ips := []net.IP{
+ net.ParseIP("127.0.0.1"),
+ net.ParseIP("192.168.1.1"),
+ net.ParseIP("172.167.2.3"),
+ net.ParseIP("97.231.252.215"),
+ net.ParseIP("248.97.91.167"),
+ net.ParseIP("188.208.233.47"),
+ net.ParseIP("104.2.183.179"),
+ net.ParseIP("72.129.46.120"),
+ net.ParseIP("2001:0db8:0a0b:12f0:0000:0000:0000:0001"),
+ net.ParseIP("f5c2:818f:c052:655a:9860:b136:6894:25f0"),
+ net.ParseIP("b2d7:15ab:48a7:b07c:a541:f144:a9fe:54fc"),
+ net.ParseIP("a47b:786e:1671:a22b:d6f9:4ab0:abc7:c918"),
+ net.ParseIP("ea1e:d155:7f7a:98fb:2bf5:9483:80f6:5445"),
+ net.ParseIP("3f0e:54a2:f5b4:cd19:a21d:58e1:3746:84c4"),
+ }
+
+ ratelimiter.Init()
+
+ for i, res := range expectedResults {
+ time.Sleep(res.wait)
+ for _, ip := range ips {
+ allowed := ratelimiter.Allow(ip)
+ if allowed != res.allowed {
+ t.Fatal("Test failed for", ip.String(), ", on:", i, "(", res.text, ")", "expected:", res.allowed, "got:", allowed)
+ }
+ }
+ }
+}