blob: 9d0761136e05630535485ad38fcc39931e54f54d [file] [log] [blame]
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.17 && !windows
// +build go1.17,!windows
package main
import (
"bufio"
"errors"
"io/fs"
"os"
"os/exec"
"regexp"
"strings"
"testing"
"golang.org/x/mod/modfile"
"golang.org/x/vuln/internal/testenv"
)
// excluded contains the set of modules that x/vuln should not depend on.
var excluded = map[string]bool{
"golang.org/x/exp": true,
}
var goHeader = regexp.MustCompile(`^// Copyright 20\d\d The Go Authors\. All rights reserved\.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file\.`)
func TestDependencies(t *testing.T) {
dat, err := os.ReadFile("go.mod")
if err != nil {
t.Fatal(err)
}
f, err := modfile.Parse("go.mod", dat, nil)
if err != nil {
t.Fatalf("modfile.Parse: %v", err)
}
for _, r := range f.Require {
for ex := range excluded {
if strings.HasPrefix(r.Mod.Path, ex) {
t.Errorf("go.mod contains %q as a dependency, which should not happen", r.Mod.Path)
}
}
}
}
func TestVet(t *testing.T) {
rungo(t, "vet", "-all", "./...")
}
func TestGoModTidy(t *testing.T) {
rungo(t, "mod", "tidy")
}
func TestHeaders(t *testing.T) {
sfs := os.DirFS(".")
fs.WalkDir(sfs, ".", func(path string, d fs.DirEntry, _ error) error {
if d.IsDir() {
if d.Name() == "testdata" {
return fs.SkipDir
}
return nil
}
if !strings.HasSuffix(path, ".go") {
return nil
}
f, err := sfs.Open(path)
if err != nil {
return err
}
defer f.Close()
if !goHeader.MatchReader(bufio.NewReader(f)) {
t.Errorf("%v: incorrect go header", path)
}
return nil
})
}
func rungo(t *testing.T, args ...string) {
t.Helper()
testenv.NeedsGoBuild(t)
cmd := exec.Command("go", args...)
if output, err := cmd.CombinedOutput(); err != nil {
if ee := (*exec.ExitError)(nil); errors.As(err, &ee) && len(ee.Stderr) > 0 {
t.Fatalf("%v: %v\n%s", cmd, err, ee.Stderr)
}
t.Fatalf("%v: %v\n%s", cmd, err, output)
}
}