package slug

import "testing"

func TestMake(t *testing.T) {
	cases := map[string]string{
		"Hello, World!":       "hello-world",
		"  Ünïcödé Tïtle  ":   "unicode-title",
		"!!!":                 "untitled",
		"":                    "untitled",
		"already-a-slug":      "already-a-slug",
		"Multiple   spaces--": "multiple-spaces",
		"Καλημέρα κόσμε":      "kalimera-kosme",
		"日本語":                 "untitled", // unsupported scripts fall back; user can type a slug
	}
	for in, want := range cases {
		if got := Make(in); got != want {
			t.Errorf("Make(%q) = %q, want %q", in, got, want)
		}
	}
}

func TestClean(t *testing.T) {
	cases := map[string]string{"!!!": "", "": "", "Ντομάτες": "ntomates", "Go ": "go"}
	for in, want := range cases {
		if got := Clean(in); got != want {
			t.Errorf("Clean(%q) = %q, want %q", in, got, want)
		}
	}
}

func TestValid(t *testing.T) {
	for _, ok := range []string{"a", "abc-def", "a1-b2"} {
		if !Valid(ok) {
			t.Errorf("Valid(%q) = false", ok)
		}
	}
	for _, bad := range []string{"", "-a", "a-", "a--b", "A", "a b", "a/b"} {
		if Valid(bad) {
			t.Errorf("Valid(%q) = true", bad)
		}
	}
}