package swampfile

import (
	"caj-larsson/bog/dataswamp/swampfile"
	"path"
	"os"
	"testing"
	"github.com/matryer/is"
)

func newRepoDir(t *testing.T) string {
	r := t.TempDir()
	d := path.Join(r, "fs")

	err := os.Mkdir(d, 0755)
	if err != nil {
		panic(err)
	}
	return d
}


func TestFsFileRepo(t *testing.T) {

	var fac = func() swampfile.Repository {
		repo, err := NewRepository(newRepoDir(t))

		if err != nil {
			panic(err)
		}
		return repo
	}

	swampfile.RepositoryContract(fac, t)
}


func TestEmptyDir(t *testing.T) {
	is := is.New(t)
	dir_path := newRepoDir(t)
	_, err := NewRepository(dir_path)

	is.NoErr(err)

	_, err = os.OpenFile(path.Join(dir_path, ".bogrepo"), os.O_RDONLY, 0)
	is.NoErr(err)
}


func TestDirtyDir(t *testing.T) {
	is := is.New(t)
	dir_path := newRepoDir(t)

	_, err := os.OpenFile(path.Join(dir_path, "randomfile"), os.O_CREATE, 0644)
	is.NoErr(err)

	_, err = NewRepository(dir_path)

	is.Equal(err, ErrDirtyRepo)
}


func TestDirtyWithFlag(t *testing.T) {
	is := is.New(t)
	dir_path := newRepoDir(t)

	_, err := os.OpenFile(path.Join(dir_path, "randomfile"), os.O_CREATE, 0644)
	is.NoErr(err)

	_, err = os.OpenFile(path.Join(dir_path, ".bogrepo"), os.O_CREATE, 0644)
	is.NoErr(err)

	_, err = NewRepository(dir_path)
	is.NoErr(err)
}