package resolution

import (
	"strings"
	"testing"

	mcat "git.novox.be/novox/mesh-sdk/go/catalogue"
)

func TestTwoModulesSettingOneVariableAreRefused(t *testing.T) {
	// A module that sets a variable twice, in two modules, is refused as the old form refused it.
	a := mcat.Manifest{Module: "a", Items: []mcat.Item{{Collection: "environment", Content: "1\n",
		Attributes: map[string]string{"kind": "variable", "name": "X"}}}}
	b := mcat.Manifest{Module: "b", Items: []mcat.Item{{Collection: "environment", Content: "2\n",
		Attributes: map[string]string{"kind": "variable", "name": "X"}}}}
	if err := variablesSetOnce([]mcat.Manifest{a, b}); err == nil || !strings.Contains(err.Error(), "both set X") {
		t.Errorf("two modules setting X: %v", err)
	}
}