Jan Novak
d9a61b338c
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Adds internal/domain/czech.Normalize, the first pure-domain function in the Go rewrite (M2 milestone). Matches Python czech_utils.normalize byte- for-byte: NFKD decompose via golang.org/x/text/unicode/norm, drop Mn- category combining marks (unicode.Mn, not IsMark, to match Python's unicodedata.combining() semantics), then strings.ToLower. Includes 13-case table-driven test; all inputs spot-checked against the Python implementation before locking. Adds golang.org/x/text v0.36.0 as first external dependency. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
32 lines
812 B
Go
32 lines
812 B
Go
package czech
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import "testing"
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func TestNormalize(t *testing.T) {
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cases := []struct {
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in string
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want string
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}{
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{"Honza", "honza"},
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{"žluťoučký", "zlutoucky"},
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{"Příliš", "prilis"},
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{"Dvořák", "dvorak"},
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{"Růžena", "ruzena"},
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{"Čeněk", "cenek"},
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{"Kačer", "kacer"},
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{"", ""},
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{"prilis", "prilis"}, // idempotent
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{"Jan Novák", "jan novak"}, // whitespace preserved
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{"é", "e"}, // precomposed é (NFC)
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{"é", "e"}, // decomposed e + combining acute
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{"Ondřej Procházka", "ondrej prochazka"}, // realistic full name
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}
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for _, tc := range cases {
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got := Normalize(tc.in)
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if got != tc.want {
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t.Errorf("Normalize(%q) = %q, want %q", tc.in, got, tc.want)
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}
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}
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}
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