moth/pkg/subfs/subfs_test.go

27 lines
680 B
Go

package transpile
import (
"io/fs"
"os"
"testing"
)
func TestSubFS(t *testing.T) {
testdata := os.DirFS("testdata")
if static, err := Sub(testdata, "static"); err != nil {
t.Error(err)
} else if buf, err := fs.ReadFile(static, "moo.txt"); err != nil {
t.Error(err)
} else if string(buf) != "moo.\n" {
t.Error("Wrong file contents")
} else if subdir, err := static.Sub("subdir"); err != nil {
t.Error(err)
} else if buf, err := fs.ReadFile(subdir, "moo2.txt"); err != nil {
t.Error(err)
} else if string(buf) != "moo too.\n" {
t.Error("Wrong file contents too")
} else if subdir.FullName("glue") != "static/subdir/glue" {
t.Error("Wrong full name")
}
}