89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
package normalization
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import (
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"bufio"
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"bytes"
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_ "embed"
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"math/rand"
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"strconv"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestNormalizationGo(t *testing.T) {
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testNormalization(t, normalizeGo)
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}
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func testNormalization(t *testing.T, normalize func(value []byte) []byte) {
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r := require.New(t)
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r.Equal("test", string(normalize([]byte("TESt"))))
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r.Equal("test 23", string(normalize([]byte("tesT 23"))))
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r.Equal("\xFF", string(normalize([]byte("\xFF"))))
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r.Equal("\xC3\x28", string(normalize([]byte("\xC3\x28"))))
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r.Equal("\xCF\x89", string(normalize([]byte("\xE2\x84\xA6"))))
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r.Equal("\xD1\x84", string(normalize([]byte("\xD0\xA4"))))
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r.Equal("\xD5\xA2", string(normalize([]byte("\xD4\xB2"))))
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r.Equal("\xE3\x81\xB5\xE3\x82\x99", string(normalize([]byte("\xE3\x81\xB6"))))
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r.Equal("\xE1\x84\x81\xE1\x85\xAA\xE1\x86\xB0", string(normalize([]byte("\xEA\xBD\x91"))))
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}
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func randSeq(n int) []byte {
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var alphabet = []rune("abcdefghijklmnopqrstuvwxyz̃ABCDEFGHIJKLMNOPQRSTUVWXYZ̃")
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b := make([]rune, n)
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for i := range b {
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b[i] = alphabet[rand.Intn(len(alphabet))]
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}
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return []byte(string(b))
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}
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func BenchmarkNormalize(b *testing.B) {
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benchmarkNormalize(b, normalizeGo)
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}
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func benchmarkNormalize(b *testing.B, normalize func(value []byte) []byte) {
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rand.Seed(42)
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strings := make([][]byte, b.N)
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for i := 0; i < b.N; i++ {
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strings[i] = randSeq(32)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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s := normalize(strings[i])
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require.True(b, len(s) >= 8)
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}
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}
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//go:embed NormalizationTest_v11.txt
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var nfdTests string
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func TestDecomposition(t *testing.T) {
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r := require.New(t)
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scanner := bufio.NewScanner(strings.NewReader(nfdTests))
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for scanner.Scan() {
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line := scanner.Text()
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if len(line) <= 0 || line[0] == '@' || line[0] == '#' {
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continue
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}
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splits := strings.Split(line, ";")
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source := convertToBytes(splits[0])
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targetNFD := convertToBytes(splits[2])
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fixed := decompose(source)
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r.True(bytes.Equal(targetNFD, fixed), "Failed on %s -> %s. Got %U, not %U", splits[0], splits[2], fixed, targetNFD)
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}
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}
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func convertToBytes(s string) []byte {
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splits := strings.Split(s, " ")
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var b bytes.Buffer
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for i := range splits {
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value, _ := strconv.ParseUint(splits[i], 16, len(splits[i])*4)
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b.WriteRune(rune(value))
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}
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return b.Bytes()
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}
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