package abono

import (
	"reflect"
	"strings"
	"testing"
)

func TestDecodeCatalog(t *testing.T) {
	got, err := decodeCatalog([]byte("# a comment\n\nabono.a = \"One \\\"two\\\" {x}\"  # trailing\nabono.b = 'lit\\eral'\r\nabono.c-d_e = \"é\"\n"))
	if err != nil {
		t.Fatal(err)
	}
	want := map[string]string{"abono.a": `One "two" {x}`, "abono.b": `lit\eral`, "abono.c-d_e": "é"}
	if !reflect.DeepEqual(map[string]string(got), want) {
		t.Errorf("got %v, want %v", got, want)
	}
}

func TestDecodeCatalogRefuses(t *testing.T) {
	for name, in := range map[string]string{
		"table":        "[abono]\n",
		"no equals":    "abono.a\n",
		"bare value":   "abono.a = 3\n",
		"unterminated": "abono.a = \"x\n",
		"trailing":     "abono.a = \"x\" y\n",
		"duplicate":    "abono.a = \"x\"\nabono.a = \"y\"\n",
		"empty key":    " = \"x\"\n",
		"bad escape":   "abono.a = \"\\q\"\n",
	} {
		if _, err := decodeCatalog([]byte(in)); err == nil {
			t.Errorf("%s: accepted %q", name, in)
		}
	}
}

// The shipped file decodes, and Catalog hands out a copy.
func TestCatalogIsACopyOfTheShippedFile(t *testing.T) {
	c := Catalog()
	for k := range c {
		if !strings.HasPrefix(k, "abono.") {
			t.Errorf("key %q is not in abono's namespace", k)
		}
	}
	c["abono.test.sentinel"] = "x"
	if _, leaked := Catalog()["abono.test.sentinel"]; leaked {
		t.Error("Catalog shares its table with the caller")
	}
}