package park

import (
	"github.com/carlosframework/platform/internal/hostclaim"
	"testing"
)

func TestPlan13HolderProjectionPreservesEvidence(t *testing.T) {
	h := hostclaim.Holder{Admissions: []hostclaim.AdmissionRecord{{Region: "ie", PredecessorRegion: HomeRegion}, {Region: "uk", PredecessorRegion: ""}}}
	got := HolderRegionView(h, "ie", "ie")
	if got.Admissions[0].PredecessorRegion != "ie" || got.Admissions[1].Region != "uk" || got.Admissions[1].PredecessorRegion != "" {
		t.Fatal(got)
	}
	if h.Admissions[0].PredecessorRegion != HomeRegion {
		t.Fatal("rewrote input")
	}
	got = HolderRegionView(h, "ie", HomeRegion)
	if got.Admissions[0].Region != HomeRegion {
		t.Fatal(got)
	}
	got = HolderRegionView(h, "", "uk")
	if got.Admissions[0].Region != "ie" || got.Admissions[0].PredecessorRegion != HomeRegion {
		t.Fatal("unbound alias")
	}
}