package validate

import (
	"strings"
	"testing"
)

// **The validator a controller imports is the host's**: a declaration the host takes passes, and one
// it refuses is refused with the host's own words, every problem at once.
func TestTheValidatorIsTheHosts(t *testing.T) {
	good := `{"declaration": 1, "resources": [{"id": "d", "type": "directory", "path": "/var/lib/x", "mode": "0755"}]}`
	if problems := Declaration([]byte(good)); problems != nil {
		t.Fatalf("a declaration the host takes was refused: %v", problems)
	}
	// And one carrying the lease epoch and sequence the controller sends it under (novox/hq to-be 45
	// §6): a controller validating with this package may send them.
	ordered := `{"declaration": 1, "epoch": 57, "sequence": 3, "resources": [{"id": "d", "type": "directory", "path": "/var/lib/x", "mode": "0755"}]}`
	if problems := Declaration([]byte(ordered)); problems != nil {
		t.Fatalf("a declaration carrying its order was refused: %v", problems)
	}
	for _, bad := range []string{
		`{"declaration": 1, "resources": []}`,
		`{"declaration": 99, "resources": [{"id": "d", "type": "directory", "path": "/x"}]}`,
		`{"declaration": 1, "resources": [{"id": "d", "type": "nothing-the-host-knows"}]}`,
		`not json`,
	} {
		problems := Declaration([]byte(bad))
		if len(problems) == 0 {
			t.Errorf("a declaration the host refuses was passed: %s", bad)
		}
		for _, p := range problems {
			if strings.TrimSpace(p) == "" {
				t.Errorf("a problem said nothing, for %s", bad)
			}
		}
	}
}