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afce773aae
It was unused in this repo. The Windows client used it, but it can move there. Change-Id: I572816fd80cbbf1b8db734879b6280857d5bd2a7 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
73 lines
1.6 KiB
Go
73 lines
1.6 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 ipn
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import (
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"bytes"
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"testing"
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"tailscale.com/tstest"
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)
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func TestReadWrite(t *testing.T) {
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tstest.PanicOnLog()
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tstest.ResourceCheck(t)
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buf := bytes.Buffer{}
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err := WriteMsg(&buf, []byte("Test string1"))
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if err != nil {
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t.Fatalf("write1: %v\n", err)
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}
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err = WriteMsg(&buf, []byte(""))
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if err != nil {
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t.Fatalf("write2: %v\n", err)
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}
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err = WriteMsg(&buf, []byte("Test3"))
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if err != nil {
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t.Fatalf("write3: %v\n", err)
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}
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b, err := ReadMsg(&buf)
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if err != nil {
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t.Fatalf("read1 error: %v", err)
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}
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if want, got := "Test string1", string(b); want != got {
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t.Fatalf("read1: %#v != %#v\n", want, got)
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}
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b, err = ReadMsg(&buf)
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if err != nil {
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t.Fatalf("read2 error: %v", err)
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}
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if want, got := "", string(b); want != got {
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t.Fatalf("read2: %#v != %#v\n", want, got)
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}
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b, err = ReadMsg(&buf)
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if err != nil {
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t.Fatalf("read3 error: %v", err)
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}
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if want, got := "Test3", string(b); want != got {
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t.Fatalf("read3: %#v != %#v\n", want, got)
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}
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b, err = ReadMsg(&buf)
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if err == nil {
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t.Fatalf("read4: expected error, got %#v\n", b)
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}
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}
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func TestNilBackend(t *testing.T) {
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var called *Notify
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bs := NewBackendServer(t.Logf, nil, func(n Notify) {
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called = &n
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})
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bs.SendErrorMessage("Danger, Will Robinson!")
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if called == nil {
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t.Errorf("expect callback to be called, wasn't")
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}
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if called.ErrMessage == nil || *called.ErrMessage != "Danger, Will Robinson!" {
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t.Errorf("callback got wrong error: %v", called.ErrMessage)
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}
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}
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