lure/internal/dlcache/dlcache_test.go

57 lines
1017 B
Go

package dlcache_test
import (
"crypto/sha1"
"encoding/hex"
"io"
"os"
"path/filepath"
"testing"
"go.arsenm.dev/lure/internal/dlcache"
)
func init() {
dir, err := os.MkdirTemp("/tmp", "lure-dlcache-test.*")
if err != nil {
panic(err)
}
dlcache.BasePath = dir
}
func TestNew(t *testing.T) {
const id = "https://example.com"
dir, err := dlcache.New(id)
if err != nil {
t.Errorf("Expected no error, got %s", err)
}
exp := filepath.Join(dlcache.BasePath, sha1sum(id))
if dir != exp {
t.Errorf("Expected %s, got %s", exp, dir)
}
fi, err := os.Stat(dir)
if err != nil {
t.Errorf("stat: expected no error, got %s", err)
}
if !fi.IsDir() {
t.Errorf("Expected cache item to be a directory")
}
dir2, ok := dlcache.Get(id)
if !ok {
t.Errorf("Expected Get() to return valid value")
}
if dir2 != dir {
t.Errorf("Expected %s from Get(), got %s", dir, dir2)
}
}
func sha1sum(id string) string {
h := sha1.New()
_, _ = io.WriteString(h, id)
return hex.EncodeToString(h.Sum(nil))
}