package nomino

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestSlugMissingFilename(t *testing.T) {
	conf := NewConfig(WithGenerator(Slug()))
	st, err := conf.generator(&conf)
	assert.Zero(t, st)
	assert.ErrorIs(t, err, ErrMissingOriginal)
}

func TestSlugRemovesOriginal(t *testing.T) {
	conf := NewConfig(WithGenerator(Slug()), WithOriginal("Hello, World"))
	st, err := conf.generator(&conf)
	assert.Zero(t, conf.original)
	assert.Equal(t, "hello-world", st)
	assert.NoError(t, err)
}

func TestHashBadHash(t *testing.T) {
	conf := NewConfig(WithOriginal("foobar"), WithGenerator(Hash(0)))
	st, err := conf.generator(&conf)
	assert.Equal(t, "", st)
	assert.ErrorIs(t, err, ErrInvalidHashType)
	assert.ErrorContains(t, err, "invalid hash type: HashType(0)")
}

func TestHashMissingOriginal(t *testing.T) {
	conf := NewConfig(WithGenerator(Hash(HashMD5)))
	st, err := conf.generator(&conf)
	assert.Equal(t, "", st)
	assert.ErrorIs(t, err, ErrMissingOriginal)
}

func TestHashTypeStringer(t *testing.T) {
	s := HashMD5.String()
	assert.Equal(t, "MD5", s)
}