package config_test

import (
	"testing"

	"sneak.berlin/go/smallwebwaf/internal/config"
)

// These tests set real environment variables, so none runs in parallel.

func TestTokenSetEmptyInTheEnvironmentStopsTheStart(t *testing.T) {
	t.Setenv(adminToken, "")

	_, err := config.FromEnvironment(config.NewViper())

	want := adminToken + ": is shorter than 32 characters"
	if err == nil || err.Error() != want {
		t.Fatalf("error %v, want %s", err, want)
	}
}

func TestListSetEmptyInTheEnvironmentReplacesItsDefault(t *testing.T) {
	t.Setenv(wafBackend, backendURL)
	t.Setenv(rproxyTrusted, "")

	cfg, err := config.RProxyFromEnvironment(config.NewViper())
	if err != nil {
		t.Fatalf("settings: %v", err)
	}

	if len(cfg.TrustedProxies) != 0 {
		t.Errorf("trusted proxies %v, want none", cfg.TrustedProxies)
	}
}