delve/service/debugger/debugger_unix_test.go
Derek Parker 3e60ae202b *: Add --tty flag for debug / exec
This flag allows users on UNIX systems to set the tty for the program
being debugged by Delve. This is useful for debugging command line
applications which need access to their own TTY, and also for
controlling the output of the debugged programs so that IDEs may open a
dedicated terminal to show the output for the process.
2020-04-10 09:53:13 -07:00

98 lines
2.5 KiB
Go

// +build !windows
package debugger
import (
"bytes"
"fmt"
"os"
"os/exec"
"path/filepath"
"runtime"
"testing"
"github.com/creack/pty"
"github.com/go-delve/delve/pkg/gobuild"
protest "github.com/go-delve/delve/pkg/proc/test"
"github.com/go-delve/delve/service/api"
)
func TestDebugger_LaunchNoExecutablePerm(t *testing.T) {
defer func() {
os.Setenv("GOOS", runtime.GOOS)
os.Setenv("GOARCH", runtime.GOARCH)
}()
fixturesDir := protest.FindFixturesDir()
buildtestdir := filepath.Join(fixturesDir, "buildtest")
debugname := "debug"
switchOS := map[string]string{
"darwin": "linux",
"windows": "linux",
"freebsd": "windows",
"linux": "windows",
}
if runtime.GOARCH == "arm64" && runtime.GOOS == "linux" {
os.Setenv("GOARCH", "amd64")
}
os.Setenv("GOOS", switchOS[runtime.GOOS])
exepath := filepath.Join(buildtestdir, debugname)
defer os.Remove(exepath)
if err := gobuild.GoBuild(debugname, []string{buildtestdir}, fmt.Sprintf("-o %s", exepath)); err != nil {
t.Fatalf("go build error %v", err)
}
if err := os.Chmod(exepath, 0644); err != nil {
t.Fatal(err)
}
d := new(Debugger)
_, err := d.Launch([]string{exepath}, ".")
if err == nil {
t.Fatalf("expected error but none was generated")
}
if err != api.ErrNotExecutable {
t.Fatalf("expected error \"%s\" got \"%v\"", api.ErrNotExecutable, err)
}
}
func TestDebugger_LaunchWithTTY(t *testing.T) {
if os.Getenv("TRAVIS") == "true" {
if _, err := exec.LookPath("lsof"); err != nil {
t.Skip("skipping test in CI, system does not contain lsof")
}
}
// Ensure no env meddling is leftover from previous tests.
os.Setenv("GOOS", runtime.GOOS)
os.Setenv("GOARCH", runtime.GOARCH)
p, tty, err := pty.Open()
if err != nil {
t.Fatal(err)
}
defer p.Close()
defer tty.Close()
fixturesDir := protest.FindFixturesDir()
buildtestdir := filepath.Join(fixturesDir, "buildtest")
debugname := "debugtty"
exepath := filepath.Join(buildtestdir, debugname)
if err := gobuild.GoBuild(debugname, []string{buildtestdir}, fmt.Sprintf("-o %s", exepath)); err != nil {
t.Fatalf("go build error %v", err)
}
defer os.Remove(exepath)
var backend string
protest.DefaultTestBackend(&backend)
conf := &Config{TTY: tty.Name(), Backend: backend}
pArgs := []string{exepath}
d, err := New(conf, pArgs)
if err != nil {
t.Fatal(err)
}
cmd := exec.Command("lsof", "-p", fmt.Sprintf("%d", d.ProcessPid()))
result, err := cmd.CombinedOutput()
if err != nil {
t.Fatal(err)
}
if !bytes.Contains(result, []byte(tty.Name())) {
t.Fatal("process open file list does not contain expected tty")
}
}