tendermint/common/os_test.go

53 lines
1.0 KiB
Go

package common
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"testing"
"time"
)
func TestWriteFileAtomic(t *testing.T) {
data := []byte("Becatron")
fname := fmt.Sprintf("/tmp/write-file-atomic-test-%v.txt", time.Now().UnixNano())
err := WriteFileAtomic(fname, data, 0664)
if err != nil {
t.Fatal(err)
}
rData, err := ioutil.ReadFile(fname)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(data, rData) {
t.Fatalf("data mismatch: %v != %v", data, rData)
}
if err := os.Remove(fname); err != nil {
t.Fatal(err)
}
}
func TestGoPath(t *testing.T) {
// restore original gopath upon exit
path := os.Getenv("GOPATH")
defer func() {
_ = os.Setenv("GOPATH", path)
}()
err := os.Setenv("GOPATH", "~/testgopath")
if err != nil {
t.Fatal(err)
}
path = gopath()
if path != "~/testgopath" {
t.Fatalf("gopath should return GOPATH env var if set, got %v", path)
}
os.Unsetenv("GOPATH")
path = gopath()
if path == "~/testgopath" || path == "" {
t.Fatalf("gopath should return go env GOPATH result if env var does not exist, got %v", path)
}
}