// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1

package api

import "testing"

func TestEnvFallback(t *testing.T) {
	t.Setenv("THRESHOLD_ZZ_TEST", "")
	t.Setenv("BOUNDARY_ZZ_TEST", "old")
	if got := Getenv("BOUNDARY_ZZ_TEST"); got != "old" {
		t.Fatalf("want old, got %q", got)
	}
	t.Setenv("THRESHOLD_ZZ_TEST", "new")
	if got := Getenv("BOUNDARY_ZZ_TEST"); got != "new" {
		t.Fatalf("want new, got %q", got)
	}
	if got, ok := LookupEnv("THRESHOLD_ZZ_TEST"); !ok || got != "new" {
		t.Fatalf("want new, got %q %v", got, ok)
	}
	if PreferredEnvName("BOUNDARY_ADDR") != "THRESHOLD_ADDR" || LegacyEnvName("THRESHOLD_ADDR") != "BOUNDARY_ADDR" {
		t.Fatal("name mapping")
	}
}