Files
tailscale/pkgdoc_test.go
Brad Fitzpatrick 371d6369cd gokrazy: use monorepo for gokrazy appliance builds (monogok)
This switches our gokrazy builds to use a new variant of cmd/gok called
opinionated about using monorepos: https://github.com/bradfitz/monogok

And with that, we can get rid of all the go.mod files and builddir forests
under gokrazy/**.

Updates #13038
Updates gokrazy/gokrazy#361

Change-Id: I9f18fbe59b8792286abc1e563d686ea9472c622d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2026-02-13 16:19:14 -08:00

83 lines
2.0 KiB
Go

// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package tailscaleroot
import (
"go/parser"
"go/token"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
)
func TestPackageDocs(t *testing.T) {
switch runtime.GOOS {
case "darwin", "linux":
// Enough coverage for CI+devs.
default:
t.Skipf("skipping on %s", runtime.GOOS)
}
var goFiles []string
err := filepath.Walk(".", func(path string, fi os.FileInfo, err error) error {
if err != nil {
return err
}
if fi.Mode().IsDir() && path == ".git" {
return filepath.SkipDir // No documentation lives in .git
}
if fi.Mode().IsRegular() && strings.HasSuffix(path, ".go") {
if strings.HasSuffix(path, "_test.go") {
return nil
}
goFiles = append(goFiles, path)
}
return nil
})
if err != nil {
t.Fatal(err)
}
byDir := map[string][]string{} // dir => files
for _, fileName := range goFiles {
fset := token.NewFileSet()
f, err := parser.ParseFile(fset, fileName, nil, parser.PackageClauseOnly|parser.ParseComments)
if err != nil {
t.Fatalf("failed to ParseFile %q: %v", fileName, err)
}
dir := filepath.Dir(fileName)
if _, ok := byDir[dir]; !ok {
byDir[dir] = nil
}
if f.Doc != nil {
byDir[dir] = append(byDir[dir], fileName)
txt := f.Doc.Text()
if strings.Contains(txt, "SPDX-License-Identifier") {
t.Errorf("the copyright header for %s became its package doc due to missing blank line", fileName)
}
}
}
for dir, ff := range byDir {
switch dir {
case "tstest/integration/vms":
// This package has a couple go:build ignore commands and this test doesn't
// handle parsing those. Just allowlist that package for now (2024-07-10).
continue
}
if len(ff) > 1 {
t.Logf("multiple files with package doc in %s: %q", dir, ff)
}
if len(ff) == 0 {
if strings.HasPrefix(dir, "gokrazy/") {
// Ignore gokrazy appliances. Their *.go file is only for deps.
continue
}
t.Errorf("no package doc in %s", dir)
}
}
t.Logf("parsed %d files", len(goFiles))
}