2628b15ee3
* Prevent compiler environment from making the tests fail * Remove unused function * Pass lint
251 lines
10 KiB
Go
251 lines
10 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package charset
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"code.gitea.io/gitea/modules/setting"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestRemoveBOMIfPresent(t *testing.T) {
|
|
res := RemoveBOMIfPresent([]byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, res)
|
|
|
|
res = RemoveBOMIfPresent([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, res)
|
|
}
|
|
|
|
func TestToUTF8WithErr(t *testing.T) {
|
|
var res string
|
|
var err error
|
|
|
|
// Note: golang compiler seems so behave differently depending on the current
|
|
// locale, so some conversions might behave differently. For that reason, we don't
|
|
// depend on particular conversions but in expected behaviors.
|
|
|
|
res, err = ToUTF8WithErr([]byte{0x41, 0x42, 0x43})
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, "ABC", res)
|
|
|
|
// "áéíóú"
|
|
res, err = ToUTF8WithErr([]byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
|
|
|
|
// "áéíóú"
|
|
res, err = ToUTF8WithErr([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3,
|
|
0xc3, 0xba})
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
|
|
|
|
res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
|
|
0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73, 0x41, 0x41, 0x41, 0x2e})
|
|
assert.NoError(t, err)
|
|
stringMustStartWith(t, "Hola,", res)
|
|
stringMustEndWith(t, "AAA.", res)
|
|
|
|
res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
|
|
0xF3, 0x6D, 0x6F, 0x20, 0x07, 0xA4, 0x6F, 0x73, 0x41, 0x41, 0x41, 0x2e})
|
|
assert.NoError(t, err)
|
|
stringMustStartWith(t, "Hola,", res)
|
|
stringMustEndWith(t, "AAA.", res)
|
|
|
|
res, err = ToUTF8WithErr([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
|
|
0xF3, 0x6D, 0x6F, 0x20, 0x81, 0xA4, 0x6F, 0x73, 0x41, 0x41, 0x41, 0x2e})
|
|
assert.NoError(t, err)
|
|
stringMustStartWith(t, "Hola,", res)
|
|
stringMustEndWith(t, "AAA.", res)
|
|
|
|
// Japanese (Shift-JIS)
|
|
// 日属秘ぞしちゅ。
|
|
res, err = ToUTF8WithErr([]byte{0x93, 0xFA, 0x91, 0xAE, 0x94, 0xE9, 0x82, 0xBC, 0x82, 0xB5, 0x82,
|
|
0xBF, 0x82, 0xE3, 0x81, 0x42})
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, []byte{0xE6, 0x97, 0xA5, 0xE5, 0xB1, 0x9E, 0xE7, 0xA7, 0x98, 0xE3,
|
|
0x81, 0x9E, 0xE3, 0x81, 0x97, 0xE3, 0x81, 0xA1, 0xE3, 0x82, 0x85, 0xE3, 0x80, 0x82},
|
|
[]byte(res))
|
|
|
|
res, err = ToUTF8WithErr([]byte{0x00, 0x00, 0x00, 0x00})
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00}, []byte(res))
|
|
}
|
|
|
|
func TestToUTF8WithFallback(t *testing.T) {
|
|
// "ABC"
|
|
res := ToUTF8WithFallback([]byte{0x41, 0x42, 0x43})
|
|
assert.Equal(t, []byte{0x41, 0x42, 0x43}, res)
|
|
|
|
// "áéíóú"
|
|
res = ToUTF8WithFallback([]byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, res)
|
|
|
|
// UTF8 BOM + "áéíóú"
|
|
res = ToUTF8WithFallback([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, res)
|
|
|
|
// "Hola, así cómo ños"
|
|
res = ToUTF8WithFallback([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
|
|
0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73})
|
|
assert.Equal(t, []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xC3, 0xAD, 0x20, 0x63,
|
|
0xC3, 0xB3, 0x6D, 0x6F, 0x20, 0xC3, 0xB1, 0x6F, 0x73}, res)
|
|
|
|
// "Hola, así cómo "
|
|
minmatch := []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xC3, 0xAD, 0x20, 0x63, 0xC3, 0xB3, 0x6D, 0x6F, 0x20}
|
|
|
|
res = ToUTF8WithFallback([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0x07, 0xA4, 0x6F, 0x73})
|
|
// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
|
|
assert.Equal(t, minmatch, res[0:len(minmatch)])
|
|
|
|
res = ToUTF8WithFallback([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0x81, 0xA4, 0x6F, 0x73})
|
|
// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
|
|
assert.Equal(t, minmatch, res[0:len(minmatch)])
|
|
|
|
// Japanese (Shift-JIS)
|
|
// "日属秘ぞしちゅ。"
|
|
res = ToUTF8WithFallback([]byte{0x93, 0xFA, 0x91, 0xAE, 0x94, 0xE9, 0x82, 0xBC, 0x82, 0xB5, 0x82, 0xBF, 0x82, 0xE3, 0x81, 0x42})
|
|
assert.Equal(t, []byte{0xE6, 0x97, 0xA5, 0xE5, 0xB1, 0x9E, 0xE7, 0xA7, 0x98, 0xE3,
|
|
0x81, 0x9E, 0xE3, 0x81, 0x97, 0xE3, 0x81, 0xA1, 0xE3, 0x82, 0x85, 0xE3, 0x80, 0x82}, res)
|
|
|
|
res = ToUTF8WithFallback([]byte{0x00, 0x00, 0x00, 0x00})
|
|
assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00}, res)
|
|
}
|
|
|
|
func TestToUTF8(t *testing.T) {
|
|
|
|
// Note: golang compiler seems so behave differently depending on the current
|
|
// locale, so some conversions might behave differently. For that reason, we don't
|
|
// depend on particular conversions but in expected behaviors.
|
|
|
|
res := ToUTF8(string([]byte{0x41, 0x42, 0x43}))
|
|
assert.Equal(t, "ABC", res)
|
|
|
|
// "áéíóú"
|
|
res = ToUTF8(string([]byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}))
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
|
|
|
|
// BOM + "áéíóú"
|
|
res = ToUTF8(string([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3,
|
|
0xc3, 0xba}))
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, []byte(res))
|
|
|
|
// Latin1
|
|
// Hola, así cómo ños
|
|
res = ToUTF8(string([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
|
|
0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73}))
|
|
assert.Equal(t, []byte{0x48, 0x6f, 0x6c, 0x61, 0x2c, 0x20, 0x61, 0x73, 0xc3, 0xad, 0x20, 0x63,
|
|
0xc3, 0xb3, 0x6d, 0x6f, 0x20, 0xc3, 0xb1, 0x6f, 0x73}, []byte(res))
|
|
|
|
// Latin1
|
|
// Hola, así cómo \x07ños
|
|
res = ToUTF8(string([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63,
|
|
0xF3, 0x6D, 0x6F, 0x20, 0x07, 0xA4, 0x6F, 0x73}))
|
|
// Hola,
|
|
bytesMustStartWith(t, []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C}, []byte(res))
|
|
|
|
// This test FAILS
|
|
// res = ToUTF8("Hola, así cómo \x81ños")
|
|
// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
|
|
// assert.Regexp(t, "^Hola, así cómo", res)
|
|
|
|
// Japanese (Shift-JIS)
|
|
// 日属秘ぞしちゅ。
|
|
res = ToUTF8(string([]byte{0x93, 0xFA, 0x91, 0xAE, 0x94, 0xE9, 0x82, 0xBC, 0x82, 0xB5, 0x82,
|
|
0xBF, 0x82, 0xE3, 0x81, 0x42}))
|
|
assert.Equal(t, []byte{0xE6, 0x97, 0xA5, 0xE5, 0xB1, 0x9E, 0xE7, 0xA7, 0x98, 0xE3,
|
|
0x81, 0x9E, 0xE3, 0x81, 0x97, 0xE3, 0x81, 0xA1, 0xE3, 0x82, 0x85, 0xE3, 0x80, 0x82},
|
|
[]byte(res))
|
|
|
|
res = ToUTF8("\x00\x00\x00\x00")
|
|
assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00}, []byte(res))
|
|
}
|
|
|
|
func TestToUTF8DropErrors(t *testing.T) {
|
|
// "ABC"
|
|
res := ToUTF8DropErrors([]byte{0x41, 0x42, 0x43})
|
|
assert.Equal(t, []byte{0x41, 0x42, 0x43}, res)
|
|
|
|
// "áéíóú"
|
|
res = ToUTF8DropErrors([]byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, res)
|
|
|
|
// UTF8 BOM + "áéíóú"
|
|
res = ToUTF8DropErrors([]byte{0xef, 0xbb, 0xbf, 0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba})
|
|
assert.Equal(t, []byte{0xc3, 0xa1, 0xc3, 0xa9, 0xc3, 0xad, 0xc3, 0xb3, 0xc3, 0xba}, res)
|
|
|
|
// "Hola, así cómo ños"
|
|
res = ToUTF8DropErrors([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0xF1, 0x6F, 0x73})
|
|
assert.Equal(t, []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xC3, 0xAD, 0x20, 0x63, 0xC3, 0xB3, 0x6D, 0x6F, 0x20, 0xC3, 0xB1, 0x6F, 0x73}, res)
|
|
|
|
// "Hola, así cómo "
|
|
minmatch := []byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xC3, 0xAD, 0x20, 0x63, 0xC3, 0xB3, 0x6D, 0x6F, 0x20}
|
|
|
|
res = ToUTF8DropErrors([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0x07, 0xA4, 0x6F, 0x73})
|
|
// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
|
|
assert.Equal(t, minmatch, res[0:len(minmatch)])
|
|
|
|
res = ToUTF8DropErrors([]byte{0x48, 0x6F, 0x6C, 0x61, 0x2C, 0x20, 0x61, 0x73, 0xED, 0x20, 0x63, 0xF3, 0x6D, 0x6F, 0x20, 0x81, 0xA4, 0x6F, 0x73})
|
|
// Do not fail for differences in invalid cases, as the library might change the conversion criteria for those
|
|
assert.Equal(t, minmatch, res[0:len(minmatch)])
|
|
|
|
// Japanese (Shift-JIS)
|
|
// "日属秘ぞしちゅ。"
|
|
res = ToUTF8DropErrors([]byte{0x93, 0xFA, 0x91, 0xAE, 0x94, 0xE9, 0x82, 0xBC, 0x82, 0xB5, 0x82, 0xBF, 0x82, 0xE3, 0x81, 0x42})
|
|
assert.Equal(t, []byte{0xE6, 0x97, 0xA5, 0xE5, 0xB1, 0x9E, 0xE7, 0xA7, 0x98, 0xE3,
|
|
0x81, 0x9E, 0xE3, 0x81, 0x97, 0xE3, 0x81, 0xA1, 0xE3, 0x82, 0x85, 0xE3, 0x80, 0x82}, res)
|
|
|
|
res = ToUTF8DropErrors([]byte{0x00, 0x00, 0x00, 0x00})
|
|
assert.Equal(t, []byte{0x00, 0x00, 0x00, 0x00}, res)
|
|
}
|
|
|
|
func TestDetectEncoding(t *testing.T) {
|
|
testSuccess := func(b []byte, expected string) {
|
|
encoding, err := DetectEncoding(b)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, expected, encoding)
|
|
}
|
|
// utf-8
|
|
b := []byte("just some ascii")
|
|
testSuccess(b, "UTF-8")
|
|
|
|
// utf-8-sig: "hey" (with BOM)
|
|
b = []byte{0xef, 0xbb, 0xbf, 0x68, 0x65, 0x79}
|
|
testSuccess(b, "UTF-8")
|
|
|
|
// utf-16: "hey<accented G>"
|
|
b = []byte{0xff, 0xfe, 0x68, 0x00, 0x65, 0x00, 0x79, 0x00, 0xf4, 0x01}
|
|
testSuccess(b, "UTF-16LE")
|
|
|
|
// iso-8859-1: d<accented e>cor<newline>
|
|
b = []byte{0x44, 0xe9, 0x63, 0x6f, 0x72, 0x0a}
|
|
encoding, err := DetectEncoding(b)
|
|
assert.NoError(t, err)
|
|
// due to a race condition in `chardet` library, it could either detect
|
|
// "ISO-8859-1" or "IS0-8859-2" here. Technically either is correct, so
|
|
// we accept either.
|
|
assert.Contains(t, encoding, "ISO-8859")
|
|
|
|
setting.Repository.AnsiCharset = "placeholder"
|
|
testSuccess(b, "placeholder")
|
|
|
|
// invalid bytes
|
|
b = []byte{0xfa}
|
|
_, err = DetectEncoding(b)
|
|
assert.Error(t, err)
|
|
}
|
|
|
|
func stringMustStartWith(t *testing.T, expected string, value string) {
|
|
assert.Equal(t, expected, string(value[:len(expected)]))
|
|
}
|
|
|
|
func stringMustEndWith(t *testing.T, expected string, value string) {
|
|
assert.Equal(t, expected, string(value[len(value)-len(expected):]))
|
|
}
|
|
|
|
func bytesMustStartWith(t *testing.T, expected []byte, value []byte) {
|
|
assert.Equal(t, expected, value[:len(expected)])
|
|
}
|