encoding_test.go

package subtitles

import (
	"os"
	"testing"

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

func TestLooksLikeLatin1(t *testing.T) {
	assert.Equal(t, true, looksLikeLatin1([]byte("hall\xe5")))
	assert.Equal(t, false, looksLikeLatin1([]byte("hallå")))
}

func TestTranscodeToUTF8(t *testing.T) {
	assert.Equal(t, "hallå", ConvertToUTF8([]byte("hall\xe5"))) // from: latin1
	assert.Equal(t, "hallå", ConvertToUTF8([]byte("hallå")))    // from: utf8 (Swedish)
	assert.Equal(t, "烟火里的尘埃", ConvertToUTF8([]byte("烟火里的尘埃")))  // from: utf8 (Chinese)
}

func TestReadFileAsUTF8(t *testing.T) {
	f, err := os.Open("README.md")
	assert.Equal(t, nil, err)

	_, err = readAsUTF8(f)
	assert.Equal(t, nil, err)
}