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7891b34266
deepprint currently accounts for 15% of allocs in tailscaled. This is a useful benchmark to have. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package deepprint
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import (
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"bytes"
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"testing"
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"inet.af/netaddr"
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"tailscale.com/wgengine/router"
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"tailscale.com/wgengine/wgcfg"
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)
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func TestDeepPrint(t *testing.T) {
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// v contains the types of values we care about for our current callers.
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// Mostly we're just testing that we don't panic on handled types.
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v := getVal()
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var buf bytes.Buffer
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Print(&buf, v)
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t.Logf("Got: %s", buf.Bytes())
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hash1 := Hash(v)
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t.Logf("hash: %v", hash1)
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for i := 0; i < 20; i++ {
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hash2 := Hash(getVal())
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if hash1 != hash2 {
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t.Error("second hash didn't match")
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}
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}
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}
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func getVal() []interface{} {
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return []interface{}{
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&wgcfg.Config{
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Name: "foo",
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Addresses: []netaddr.IPPrefix{{Bits: 5, IP: netaddr.IPFrom16([16]byte{3: 3})}},
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Peers: []wgcfg.Peer{
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{
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Endpoints: "foo:5",
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},
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},
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},
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&router.Config{
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Routes: []netaddr.IPPrefix{
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netaddr.MustParseIPPrefix("1.2.3.0/24"),
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netaddr.MustParseIPPrefix("1234::/64"),
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},
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},
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map[string]string{
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"key1": "val1",
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"key2": "val2",
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"key3": "val3",
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"key4": "val4",
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"key5": "val5",
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"key6": "val6",
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"key7": "val7",
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"key8": "val8",
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"key9": "val9",
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},
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}
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}
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func BenchmarkHash(b *testing.B) {
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b.ReportAllocs()
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v := getVal()
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for i := 0; i < b.N; i++ {
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Hash(v)
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}
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}
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