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tailscale/wgengine/wglog/wglog_test.go

59 lines
1.3 KiB
Go

// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package wglog_test
import (
"fmt"
"testing"
"tailscale.com/wgengine/wgcfg"
"tailscale.com/wgengine/wglog"
)
func TestLogger(t *testing.T) {
tests := []struct {
in string
want string
omit bool
}{
{"hi", "hi", false},
{"Routine: starting", "", true},
{"peer(IMTB…r7lM) says it misses you", "[IMTBr] says it misses you", false},
}
c := make(chan string, 1)
logf := func(format string, args ...interface{}) {
s := fmt.Sprintf(format, args...)
select {
case c <- s:
default:
t.Errorf("wrote %q, but shouldn't have", s)
}
}
x := wglog.NewLogger(logf)
key, err := wgcfg.ParseHexKey("20c4c1ae54e1fd37cab6e9a532ca20646aff496796cc41d4519560e5e82bee53")
if err != nil {
t.Fatal(err)
}
x.SetPeers([]wgcfg.Peer{{PublicKey: key}})
for _, tt := range tests {
if tt.omit {
// Write a message ourselves into the channel.
// Then if logf also attempts to write into the channel, it'll fail.
c <- ""
}
x.DeviceLogger.Errorf(tt.in)
got := <-c
if tt.omit {
continue
}
if got != tt.want {
t.Errorf("Println(%q) = %q want %q", tt.in, got, tt.want)
}
}
}