You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
3.3 KiB
137 lines
3.3 KiB
package os_test
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"syscall"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
tmos "github.com/tendermint/tendermint/libs/os"
|
|
)
|
|
|
|
func TestCopyFile(t *testing.T) {
|
|
tmpfile, err := ioutil.TempFile("", "example")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer os.Remove(tmpfile.Name())
|
|
content := []byte("hello world")
|
|
if _, err := tmpfile.Write(content); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
copyfile := fmt.Sprintf("%s.copy", tmpfile.Name())
|
|
if err := tmos.CopyFile(tmpfile.Name(), copyfile); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, err := os.Stat(copyfile); os.IsNotExist(err) {
|
|
t.Fatal("copy should exist")
|
|
}
|
|
data, err := ioutil.ReadFile(copyfile)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(data, content) {
|
|
t.Fatalf("copy file content differs: expected %v, got %v", content, data)
|
|
}
|
|
os.Remove(copyfile)
|
|
}
|
|
|
|
func TestTrapSignal(t *testing.T) {
|
|
if os.Getenv("TM_TRAP_SIGNAL_TEST") == "1" {
|
|
t.Log("inside test process")
|
|
killer()
|
|
return
|
|
}
|
|
|
|
cmd, _, mockStderr := newTestProgram(t, "TM_TRAP_SIGNAL_TEST")
|
|
|
|
err := cmd.Run()
|
|
if err == nil {
|
|
wantStderr := "exiting"
|
|
if mockStderr.String() != wantStderr {
|
|
t.Fatalf("stderr: want %q, got %q", wantStderr, mockStderr.String())
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
if e, ok := err.(*exec.ExitError); ok && !e.Success() {
|
|
t.Fatalf("wrong exit code, want 0, got %d", e.ExitCode())
|
|
}
|
|
|
|
t.Fatal("this error should not be triggered")
|
|
}
|
|
|
|
func TestEnsureDir(t *testing.T) {
|
|
tmp, err := ioutil.TempDir("", "ensure-dir")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmp)
|
|
|
|
// Should be possible to create a new directory.
|
|
err = tmos.EnsureDir(filepath.Join(tmp, "dir"), 0755)
|
|
require.NoError(t, err)
|
|
require.DirExists(t, filepath.Join(tmp, "dir"))
|
|
|
|
// Should succeed on existing directory.
|
|
err = tmos.EnsureDir(filepath.Join(tmp, "dir"), 0755)
|
|
require.NoError(t, err)
|
|
|
|
// Should fail on file.
|
|
err = ioutil.WriteFile(filepath.Join(tmp, "file"), []byte{}, 0644)
|
|
require.NoError(t, err)
|
|
err = tmos.EnsureDir(filepath.Join(tmp, "file"), 0755)
|
|
require.Error(t, err)
|
|
|
|
// Should allow symlink to dir.
|
|
err = os.Symlink(filepath.Join(tmp, "dir"), filepath.Join(tmp, "linkdir"))
|
|
require.NoError(t, err)
|
|
err = tmos.EnsureDir(filepath.Join(tmp, "linkdir"), 0755)
|
|
require.NoError(t, err)
|
|
|
|
// Should error on symlink to file.
|
|
err = os.Symlink(filepath.Join(tmp, "file"), filepath.Join(tmp, "linkfile"))
|
|
require.NoError(t, err)
|
|
err = tmos.EnsureDir(filepath.Join(tmp, "linkfile"), 0755)
|
|
require.Error(t, err)
|
|
}
|
|
|
|
type mockLogger struct{}
|
|
|
|
func (ml mockLogger) Info(msg string, keyvals ...interface{}) {}
|
|
|
|
func killer() {
|
|
logger := mockLogger{}
|
|
|
|
tmos.TrapSignal(logger, func() { _, _ = fmt.Fprintf(os.Stderr, "exiting") })
|
|
time.Sleep(1 * time.Second)
|
|
|
|
p, err := os.FindProcess(os.Getpid())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if err := p.Signal(syscall.SIGTERM); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
time.Sleep(1 * time.Second)
|
|
}
|
|
|
|
func newTestProgram(t *testing.T, environVar string) (cmd *exec.Cmd, stdout *bytes.Buffer, stderr *bytes.Buffer) {
|
|
t.Helper()
|
|
|
|
cmd = exec.Command(os.Args[0], "-test.run="+t.Name())
|
|
stdout, stderr = bytes.NewBufferString(""), bytes.NewBufferString("")
|
|
cmd.Env = append(os.Environ(), fmt.Sprintf("%s=1", environVar))
|
|
cmd.Stdout = stdout
|
|
cmd.Stderr = stderr
|
|
|
|
return
|
|
}
|