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mahonia_test.go
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mahonia_test.go
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package mahonia
import (
"bytes"
"io/ioutil"
"testing"
)
var nameTests = map[string]string{
"utf8": "utf8",
"ISO 8859-1": "iso88591",
"Big5": "big5",
"": "",
}
func TestSimplifyName(t *testing.T) {
for name, simple := range nameTests {
if simple != simplifyName(name) {
t.Errorf("%s came out as %s instead of as %s", name, simplifyName(name), simple)
}
}
}
var testData = []struct {
utf8, other, otherEncoding string
}{
{"Résumé", "Résumé", "utf8"},
{"Résumé", "R\xe9sum\xe9", "latin-1"},
{"これは漢字です。", "S0\x8c0o0\"oW[g0Y0\x020", "UTF-16LE"},
{"これは漢字です。", "0S0\x8c0oo\"[W0g0Y0\x02", "UTF-16BE"},
{"これは漢字です。", "\xfe\xff0S0\x8c0oo\"[W0g0Y0\x02", "UTF-16"},
{"𝄢𝄞𝄪𝄫", "\xfe\xff\xd8\x34\xdd\x22\xd8\x34\xdd\x1e\xd8\x34\xdd\x2a\xd8\x34\xdd\x2b", "UTF-16"},
{"Hello, world", "Hello, world", "ASCII"},
{"Gdańsk", "Gda\xf1sk", "ISO-8859-2"},
{"Ââ Čč Đđ Ŋŋ Õõ Šš Žž Åå Ää", "\xc2\xe2 \xc8\xe8 \xa9\xb9 \xaf\xbf \xd5\xf5 \xaa\xba \xac\xbc \xc5\xe5 \xc4\xe4", "ISO-8859-10"},
{"สำหรับ", "\xca\xd3\xcb\xc3\u047a", "ISO-8859-11"},
{"latviešu", "latvie\xf0u", "ISO-8859-13"},
{"Seònaid", "Se\xf2naid", "ISO-8859-14"},
{"€1 is cheap", "\xa41 is cheap", "ISO-8859-15"},
{"românește", "rom\xe2ne\xbate", "ISO-8859-16"},
{"nutraĵo", "nutra\xbco", "ISO-8859-3"},
{"Kalâdlit", "Kal\xe2dlit", "ISO-8859-4"},
{"русский", "\xe0\xe3\xe1\xe1\xda\xd8\xd9", "ISO-8859-5"},
{"ελληνικά", "\xe5\xeb\xeb\xe7\xed\xe9\xea\xdc", "ISO-8859-7"},
{"Kağan", "Ka\xf0an", "ISO-8859-9"},
{"Résumé", "R\x8esum\x8e", "macintosh"},
{"Gdańsk", "Gda\xf1sk", "windows-1250"},
{"русский", "\xf0\xf3\xf1\xf1\xea\xe8\xe9", "windows-1251"},
{"Résumé", "R\xe9sum\xe9", "windows-1252"},
{"ελληνικά", "\xe5\xeb\xeb\xe7\xed\xe9\xea\xdc", "windows-1253"},
{"Kağan", "Ka\xf0an", "windows-1254"},
{"עִבְרִית", "\xf2\xc4\xe1\xc0\xf8\xc4\xe9\xfa", "windows-1255"},
{"العربية", "\xc7\xe1\xda\xd1\xc8\xed\xc9", "windows-1256"},
{"latviešu", "latvie\xf0u", "windows-1257"},
{"Việt", "Vi\xea\xf2t", "windows-1258"},
{"สำหรับ", "\xca\xd3\xcb\xc3\u047a", "windows-874"},
{"русский", "\xd2\xd5\xd3\xd3\xcb\xc9\xca", "KOI8-R"},
{"українська", "\xd5\xcb\xd2\xc1\xa7\xce\xd3\xd8\xcb\xc1", "KOI8-U"},
{"Hello 常用國字標準字體表", "Hello \xb1`\xa5\u03b0\xea\xa6r\xbc\u0437\u01e6r\xc5\xe9\xaa\xed", "big5"},
{"Hello 常用國字標準字體表", "Hello \xb3\xa3\xd3\xc3\x87\xf8\xd7\xd6\x98\xcb\x9c\xca\xd7\xd6\xf3\x77\xb1\xed", "gbk"},
{"Hello 常用國字標準字體表", "Hello \xb3\xa3\xd3\xc3\x87\xf8\xd7\xd6\x98\xcb\x9c\xca\xd7\xd6\xf3\x77\xb1\xed", "gb18030"},
{"עִבְרִית", "\x81\x30\xfb\x30\x81\x30\xf6\x34\x81\x30\xf9\x33\x81\x30\xf6\x30\x81\x30\xfb\x36\x81\x30\xf6\x34\x81\x30\xfa\x31\x81\x30\xfb\x38", "gb18030"},
{"㧯", "\x82\x31\x89\x38", "gb18030"},
{"これは漢字です。", "\x82\xb1\x82\xea\x82\xcd\x8a\xbf\x8e\x9a\x82\xc5\x82\xb7\x81B", "SJIS"},
{"Hello, 世界!", "Hello, \x90\xa2\x8aE!", "SJIS"},
{"ｲｳｴｵｶ", "\xb2\xb3\xb4\xb5\xb6", "SJIS"},
{"これは漢字です。", "\xa4\xb3\xa4\xec\xa4\u03f4\xc1\xbb\xfa\xa4\u01e4\xb9\xa1\xa3", "EUC-JP"},
{"これは漢字です。", "\xa4\xb3\xa4\xec\xa4\u03f4\xc1\xbb\xfa\xa4\u01e4\xb9\xa1\xa3", "CP51932"},
{"Thông tin bạn đồng hànhỌ", "Th\xabng tin b\xb9n \xae\xe5ng h\xb5nhO\xe4", "TCVN3"},
{"Hello, 世界!", "Hello, \x1b$B@$3&\x1b(B!", "ISO-2022-JP"},
{"네이트 | 즐거움의 시작, 슈파스(Spaβ) NATE", "\xb3\xd7\xc0\xcc\xc6\xae | \xc1\xf1\xb0\xc5\xbf\xf2\xc0\xc7 \xbd\xc3\xc0\xdb, \xbd\xb4\xc6\xc4\xbd\xba(Spa\xa5\xe2) NATE", "EUC-KR"},
}
func TestDecode(t *testing.T) {
for _, data := range testData {
d := NewDecoder(data.otherEncoding)
if d == nil {
t.Errorf("Could not create decoder for %s", data.otherEncoding)
continue
}
str := d.ConvertString(data.other)
if str != data.utf8 {
t.Errorf("Unexpected value: %#v (expected %#v)", str, data.utf8)
}
}
}
func TestDecodeTranslate(t *testing.T) {
for _, data := range testData {
d := NewDecoder(data.otherEncoding)
if d == nil {
t.Errorf("Could not create decoder for %s", data.otherEncoding)
continue
}
_, cdata, _ := d.Translate([]byte(data.other), true)
str := string(cdata)
if str != data.utf8 {
t.Errorf("Unexpected value: %#v (expected %#v)", str, data.utf8)
}
}
}
func TestEncode(t *testing.T) {
for _, data := range testData {
e := NewEncoder(data.otherEncoding)
if e == nil {
t.Errorf("Could not create encoder for %s", data.otherEncoding)
continue
}
str := e.ConvertString(data.utf8)
if str != data.other {
t.Errorf("Unexpected value: %#v (expected %#v)", str, data.other)
}
}
}
func TestReader(t *testing.T) {
for _, data := range testData {
d := NewDecoder(data.otherEncoding)
if d == nil {
t.Errorf("Could not create decoder for %s", data.otherEncoding)
continue
}
b := bytes.NewBufferString(data.other)
r := d.NewReader(b)
result, _ := ioutil.ReadAll(r)
str := string(result)
if str != data.utf8 {
t.Errorf("Unexpected value: %#v (expected %#v)", str, data.utf8)
}
}
}
func TestWriter(t *testing.T) {
for _, data := range testData {
e := NewEncoder(data.otherEncoding)
if e == nil {
t.Errorf("Could not create encoder for %s", data.otherEncoding)
continue
}
b := new(bytes.Buffer)
w := e.NewWriter(b)
w.Write([]byte(data.utf8))
str := b.String()
if str != data.other {
t.Errorf("Unexpected value: %#v (expected %#v)", str, data.other)
}
}
}
func TestFallback(t *testing.T) {
mixed := "résum\xe9 " // The space is needed because of the issue mentioned in the Note: in fallback.go
pure := "résumé "
d := FallbackDecoder(NewDecoder("utf8"), NewDecoder("ISO-8859-1"))
result := d.ConvertString(mixed)
if result != pure {
t.Errorf("Unexpected value: %#v (expected %#v)", result, pure)
}
}
func TestEntities(t *testing.T) {
escaped := "¬it; I'm ∉ I tell you‚ ≪⃒ "
plain := "¬it; I'm ∉ I tell you\u201a \u226A\u20D2 "
d := FallbackDecoder(EntityDecoder(), NewDecoder("ISO-8859-1"))
result := d.ConvertString(escaped)
if result != plain {
t.Errorf("Unexpected value: %#v (expected %#v)", result, plain)
}
}
func TestConvertStringOK(t *testing.T) {
d := NewDecoder("ASCII")
if d == nil {
t.Fatal("Could not create decoder for ASCII")
}
str, ok := d.ConvertStringOK("hello")
if !ok {
t.Error("Spurious error found while decoding")
}
if str != "hello" {
t.Errorf("expected %#v, got %#v", "hello", str)
}
str, ok = d.ConvertStringOK("\x80")
if ok {
t.Error(`Failed to detect error decoding "\x80"`)
}
e := NewEncoder("ISO-8859-3")
if e == nil {
t.Fatal("Could not create encoder for ISO-8859-1")
}
str, ok = e.ConvertStringOK("nutraĵo")
if !ok {
t.Error("spurious error while encoding")
}
if str != "nutra\xbco" {
t.Errorf("expected %#v, got %#v", "nutra\xbco", str)
}
str, ok = e.ConvertStringOK("\x80abc")
if ok {
t.Error("failed to detect invalid UTF-8 while encoding")
}
str, ok = e.ConvertStringOK("русский")
if ok {
t.Error("failed to detect characters that couldn't be encoded")
}
}
func TestBadCharset(t *testing.T) {
d := NewDecoder("this is not a valid charset")
if d != nil {
t.Fatal("got a non-nil decoder for an invalid charset")
}
}