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// 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"
"bytes"
"context"
"io/fs"
"os"
"os/exec"
"regexp"
"strings"
"testing"
"golang.org/x/mod/modfile"
"golang.org/x/vuln/internal/testenv"
"golang.org/x/vuln/scan"
"mvdan.cc/unparam/check"
)
// 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 TestBashChecks(t *testing.T) {
skipIfShort(t)
bash, err := exec.LookPath("bash")
if err != nil {
t.Skipf("skipping: %v", err)
}
var cmd *exec.Cmd
if os.Getenv("GO_BUILDER_NAME") != "" {
cmd = exec.Command(bash, "./checks.bash", "trybots")
} else {
cmd = exec.Command(bash, "./checks.bash")
}
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
t.Fatal(err)
}
}
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 {
// This is used by staticcheck.
if strings.HasPrefix(r.Mod.Path, "golang.org/x/exp/typeparams") {
continue
}
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 TestGovulncheck(t *testing.T) {
skipIfShort(t)
testenv.NeedsGoBuild(t)
var o string
out := bytes.NewBufferString(o)
ctx := context.Background()
cmd := scan.Command(ctx, "./...")
cmd.Stdout = out
cmd.Stderr = out
err := cmd.Start()
if err == nil {
err = cmd.Wait()
}
t.Logf("govulncheck finished with std out/err:\n%s", out.String())
switch err := err.(type) {
case nil:
t.Log("govulncheck: no vulnerabilities detected")
case interface{ ExitCode() int }:
t.Errorf("govulncheck: unexpected exit code %d and error %v", err.ExitCode(), err)
default:
t.Errorf("govulncheck: abruptly failed with error %v", err)
}
}
func TestStaticCheck(t *testing.T) {
skipIfShort(t)
rungo(t, "run", "honnef.co/go/tools/cmd/staticcheck@v0.4.3", "./...")
}
func TestUnparam(t *testing.T) {
testenv.NeedsGoBuild(t)
warns, err := check.UnusedParams(false, false, false, "./...")
if err != nil {
t.Fatalf("check.UnusedParams: %v", err)
}
for _, warn := range warns {
t.Errorf(warn)
}
}
func TestVet(t *testing.T) {
rungo(t, "vet", "-all", "./...")
}
func TestMisspell(t *testing.T) {
skipIfShort(t)
rungo(t, "run", "github.com/client9/misspell/cmd/misspell@v0.3.4", "-error", ".")
}
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 {
t.Log("\n" + string(output))
t.Error("command had non zero exit code")
}
}
func skipIfShort(t *testing.T) {
if testing.Short() {
t.Skipf("skipping: short mode")
}
}
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