mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-22 08:42:32 -05:00
e429c1164e
TestToUTF8WithFallback is the cause of recurrent spurious test failures even despite code to set the detected charset order. The reason why this happens is because the preferred detected charset order is not being initialised for these tests. This PR simply ensures that this is set at the start of each test and would allow different tests to be written to allow differing orders. Replaces #12571 Close #12571 Signed-off-by: Andrew Thornton <art27@cantab.net>
274 lines
11 KiB
Go
274 lines
11 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 (
|
|
"strings"
|
|
"testing"
|
|
|
|
"code.gitea.io/gitea/modules/setting"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func resetDefaultCharsetsOrder() {
|
|
defaultDetectedCharsetsOrder := make([]string, 0, len(setting.Repository.DetectedCharsetsOrder))
|
|
for _, charset := range setting.Repository.DetectedCharsetsOrder {
|
|
defaultDetectedCharsetsOrder = append(defaultDetectedCharsetsOrder, strings.ToLower(strings.TrimSpace(charset)))
|
|
}
|
|
setting.Repository.DetectedCharsetScore = map[string]int{}
|
|
i := 0
|
|
for _, charset := range defaultDetectedCharsetsOrder {
|
|
canonicalCharset := strings.ToLower(strings.TrimSpace(charset))
|
|
if _, has := setting.Repository.DetectedCharsetScore[canonicalCharset]; !has {
|
|
setting.Repository.DetectedCharsetScore[canonicalCharset] = i
|
|
i++
|
|
}
|
|
}
|
|
}
|
|
|
|
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) {
|
|
resetDefaultCharsetsOrder()
|
|
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) {
|
|
resetDefaultCharsetsOrder()
|
|
// "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) {
|
|
resetDefaultCharsetsOrder()
|
|
// 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) {
|
|
resetDefaultCharsetsOrder()
|
|
// "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}, res[:8])
|
|
assert.Equal(t, []byte{0x73}, res[len(res)-1:])
|
|
|
|
// "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) {
|
|
resetDefaultCharsetsOrder()
|
|
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)
|
|
assert.Contains(t, encoding, "ISO-8859-1")
|
|
|
|
old := setting.Repository.AnsiCharset
|
|
setting.Repository.AnsiCharset = "placeholder"
|
|
defer func() {
|
|
setting.Repository.AnsiCharset = old
|
|
}()
|
|
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)])
|
|
}
|