package charsets_test
import (
"testing"
"git.sr.ht/~seirdy/moac/v2/charsets"
)
type buildCharsetsTestCase struct {
charsetsExpected charsets.CharsetCollection
name string
charsetsNamed []string
}
func buildCharsetsTables() []buildCharsetsTestCase { //nolint:funlen // single statement; length from tables
return []buildCharsetsTestCase{
{
name: "many dupe numbers",
charsetsNamed: []string{
"uppercase", "lowercase", "numbers", "symbols", "latin", "🧛",
"000000",
"000000",
"0",
"000000000000000000000000000000",
"1234000",
"000000",
"ascii",
"000000000000000000000000000000",
"898",
},
charsetsExpected: stringsToCharsetCollection([]string{
"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"abcdefghijklmnopqrstuvwxyz",
"567",
"!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
"¡¢£¤¥¦§¨©ª«¬®¯°±²³´μ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ",
"ĀāĂ㥹ĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬĭĮįİıIJijĴĵĶķĸĹĺĻļĽľĿŀŁłŃńŅņŇňʼnŊŋŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſ",
"ƀƁƂƃƄƅƆƇƈƉƊƋƌƍƎƏƐƑƒƓƔƕƖƗƘƙƚƛƜƝƞƟƠơƢƣƤƥƦƧƨƩƪƫƬƭƮƯưƱƲƳƴƵƶƷƸƹƺƻƼƽƾƿǀǁǂǃDŽDždžLJLjljNJNjnjǍǎǏǐǑǒǓǔǕǖǗǘǙǚǛǜǝǞǟǠǡǢǣǤǥǦǧǨǩǪǫǬǭǮǯǰDZDzdzǴǵǶǷǸǹǺǻǼǽǾǿȀȁȂȃȄȅȆȇȈȉȊȋȌȍȎȏȐȑȒȓȔȕȖȗȘșȚțȜȝȞȟȠȡȢȣȤȥȦȧȨȩȪȫȬȭȮȯȰȱȲȳȴȵȶȷȸȹȺȻȼȽȾȿɀɁɂɃɄɅɆɇɈɉɊɋɌɍɎɏ",
"ɐɑɒɓɔɕɖɗɘəɚɛɜɝɞɟɠɡɢɣɤɥɦɧɨɩɪɫɬɭɮɯɰɱɲɳɴɵɶɷɸɹɺɻɼɽɾɿʀʁʂʃʄʅʆʇʈʉʊʋʌʍʎʏʐʑʒʓʔʕʖʗʘʙʚʛʜʝʞʟʠʡʢʣʤʥʦʧʨʩʪʫʬʭʮʯ",
"🧛",
"0",
"1234",
"89",
}),
},
{
name: "empty entries",
charsetsNamed: []string{
"uppercase", "lowercase", "numbers", "ascii",
"000000",
"000000",
"",
"000000000000000000000000000000",
"",
"000000",
"0",
"89",
},
charsetsExpected: stringsToCharsetCollection([]string{
"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"abcdefghijklmnopqrstuvwxyz",
"1234567",
"!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
"0",
"89",
}),
},
{
name: "unprintable gibberish",
charsetsNamed: []string{
charsets.Uppercase.String() + charsets.Lowercase.String(),
"lowercase", "numbers", `"O4UÞjÖÿ.
ßòºÒ&Û¨5ü4äMî3îÌ`,
},
charsetsExpected: stringsToCharsetCollection([]string{
"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
"abcdefghiklmnopqrstuvwxyz",
"0123456789",
`"&.j
¨ºÌÒÖÛÞßäîòüÿ`,
}),
},
{
name: "subset and composite",
charsetsNamed: []string{
charsets.Uppercase.String() + charsets.Lowercase.String(),
"lowercase", "numbers",
},
charsetsExpected: []charsets.Charset{charsets.Lowercase, charsets.Uppercase, charsets.Numbers},
},
{
// say a user specifies a custom charset that shadows *almost* an entire previous charset, save for a single element
// we shouldn't get a charset that includes only that single element
name: "composite missing one letter",
charsetsNamed: []string{
"lowercase", "numbers",
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxy",
},
charsetsExpected: []charsets.Charset{charsets.Lowercase, charsets.Uppercase, charsets.Numbers},
},
}
}
func formerNotFoundInLatter(former, latter charsets.CharsetCollection) (missing charsets.CharsetCollection) {
// for each charset in former: add to missing if it isn't in latter
for _, formerItem := range former {
isMissing := true
for _, latterItem := range latter {
if formerItem.String() == latterItem.String() {
isMissing = false
break
}
}
if isMissing {
missing = append(missing, formerItem)
}
}
return missing
}
func expectedMatchesActual(t *testing.T, expected, actual charsets.CharsetCollection) {
t.Helper()
var errStr string
errStrFirstHalf, pass := handleMissingCharsets(
formerNotFoundInLatter(expected, actual), "missing expected entries: ")
if !pass {
errStr += "\n" + errStrFirstHalf
}
errStrSecondHalf, passSecondHalf := handleMissingCharsets(
formerNotFoundInLatter(actual, expected), "contains unexpected entries:")
if !passSecondHalf {
pass = false
errStr += "\n" + errStrSecondHalf
}
if pass {
return
}
errStr = "generated charsets don't match expected:" + errStr + "\nactually got:"
for _, actualCharset := range actual {
errStr += "\n\"" + actualCharset.String() + `"`
}
if len(actual) == 0 {
errStr = "built empty charset collection: " + errStr
}
t.Error(errStr)
}
func handleMissingCharsets(missing charsets.CharsetCollection, errType string) (errStr string, pass bool) {
if len(missing) > 0 {
errStr = "actual charset " + errType + " ["
for _, missingCharset := range missing {
errStr += `"` + missingCharset.String() + `", `
}
errStr += "]"
return errStr, false
}
return "", true
}
func TestBuildCharsets(t *testing.T) {
t.Parallel()
for _, testCase := range buildCharsetsTables() {
testCase := testCase
t.Run(testCase.name, func(t *testing.T) {
t.Parallel()
charsetsActual := charsets.ParseCharsets(testCase.charsetsNamed)
expectedMatchesActual(t, testCase.charsetsExpected, charsetsActual)
})
}
}
func stringsToCharsetCollection(s []string) (cs charsets.CharsetCollection) {
cs = make([]charsets.Charset, len(s))
for i, ccContents := range s {
cs[i] = charsets.CustomCharset([]rune(ccContents))
}
return cs
}