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//
// Copyright (c) 2016-2017 Konstanin Ivanov <kostyarin.ivanov@gmail.com>.
// All rights reserved. This program is free software. It comes without
// any warranty, to the extent permitted by applicable law. You can
// redistribute it and/or modify it under the terms of the Do What
// The Fuck You Want To Public License, Version 2, as published by
// Sam Hocevar. See LICENSE file for more details or see below.
//
//
// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
// Version 2, December 2004
//
// Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
//
// Everyone is permitted to copy and distribute verbatim or modified
// copies of this license document, and changing it is allowed as long
// as the name is changed.
//
// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
// TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
//
// 0. You just DO WHAT THE FUCK YOU WANT TO.
//
package grokky
import (
"testing"
)
func terr(t *testing.T, err error) {
if err != nil {
t.Error(err)
}
}
func mssTest(expect, got map[string]string) bool {
if len(expect) != len(got) {
return false
}
for k, v := range expect {
if v != got[k] {
return false
}
}
return true
}
func TestPattern_Parse(t *testing.T) {
h := New()
// compile
terr(t, h.Add("ONE", `\d`))
terr(t, h.Add("TWO", `%{ONE:one}-%{ONE:two}`))
terr(t, h.Add("THREE", `%{ONE:zero}-%{TWO:three}`))
//
if p, err := h.Get("ONE"); err != nil {
t.Error(err)
} else if !mssTest(nil, p.Parse("1")) {
t.Error("unnamed result")
}
p, err := h.Get("TWO")
if err != nil {
t.Error(err)
}
if !mssTest(map[string]string{"one": "1", "two": "2"}, p.Parse("1-2")) {
t.Error("bad result")
}
p, err = h.Get("THREE")
if err != nil {
t.Error(err)
}
if !mssTest(map[string]string{
"one": "1",
"two": "2",
"zero": "0",
"three": "1-2",
}, p.Parse("0-1-2")) {
t.Error("bad result")
}
if err := h.Add("FOUR", `%{TWO:two}`); err != nil {
t.Error(err)
}
p, err = h.Get("FOUR")
if err != nil {
t.Error(err)
}
if !mssTest(map[string]string{"one": "1", "two": "1-2"}, p.Parse("1-2")) {
t.Error("bad result")
}
}
func TestPattern_nestedGroups(t *testing.T) {
h := New()
if err := h.Add("ONE", `\d`); err != nil {
t.Error(err)
}
if err := h.Add("TWO", `(?:%{ONE:one})-(?:%{ONE:two})?`); err != nil {
t.Error(err)
}
p, err := h.Get("TWO")
if err != nil {
t.Error(err)
}
mss := p.Parse("1-2")
if len(mss) != 2 ||
mss["one"] != "1" ||
mss["two"] != "2" {
t.Error("bad result")
}
mss = p.Parse("1-")
if len(mss) != 2 ||
mss["one"] != "1" ||
mss["two"] != "" {
t.Error("bad result")
}
}
func TestPattern_Names(t *testing.T) {
h := New()
if err := h.Add("ONE", `\d`); err != nil {
t.Error(err)
}
if err := h.Add("TWO", `%{ONE:one}-%{ONE:two}`); err != nil {
t.Error(err)
}
if err := h.Add("THREE", `%{ONE:zero}-%{TWO:three}`); err != nil {
t.Error(err)
}
p, err := h.Get("THREE")
if err != nil {
t.Fatal(err)
}
ss := p.Names()
if len(ss) != 4 {
t.Error("Names returns wrong values count")
}
for _, v := range ss {
if !(v == "one" || v == "two" || v == "zero" || v == "three") {
t.Error("Names returns wrong values:", v)
}
}
}
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