tailscale/version/modinfo_test.go

39 lines
949 B
Go

// Copyright (c) 2021 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 version
import (
"os/exec"
"path/filepath"
"runtime"
"strings"
"testing"
)
func TestFindModuleInfo(t *testing.T) {
dir := t.TempDir()
name := filepath.Join(dir, "tailscaled-version-test")
goTool := filepath.Join(runtime.GOROOT(), "bin", "go"+exe())
out, err := exec.Command(goTool, "build", "-o", name, "tailscale.com/cmd/tailscaled").CombinedOutput()
if err != nil {
t.Fatalf("failed to build tailscaled: %v\n%s", err, out)
}
modinfo, err := findModuleInfo(name)
if err != nil {
t.Fatal(err)
}
prefix := "path\ttailscale.com/cmd/tailscaled\nmod\ttailscale.com"
if !strings.HasPrefix(modinfo, prefix) {
t.Errorf("unexpected modinfo contents %q", modinfo)
}
}
func exe() string {
if runtime.GOOS == "windows" {
return ".exe"
}
return ""
}