54cfc48ce3
* fix(metadata): improve localized series matching * test(metadata): strengthen consensus regressions * fix(metadata): harden localized matching --------- Co-authored-by: Quick <31828688+Quick104@users.noreply.github.com>
82 lines
3.2 KiB
Go
82 lines
3.2 KiB
Go
package metadata
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import "testing"
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const normalizedSomeShowTitle = "Some Show"
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func TestNormalizeCandidateTitleForYear_TrailingYearVariants(t *testing.T) {
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cases := []struct {
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name string
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title string
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year int
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want string
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}{
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{"bare year stripped", "Some Show 2026", 2026, normalizedSomeShowTitle},
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{"parenthesised year stripped", "24 stjerners julikalender (DK) (2026)", 2026, "24 stjerners julikalender (DK)"},
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{"bracketed year stripped", "Some Show [2026]", 2026, normalizedSomeShowTitle},
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{"different year kept", "Some Show (1999)", 2026, "Some Show (1999)"},
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{"no year hint keeps title", "Some Show (2026)", 0, "Some Show (2026)"},
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{"single token never stripped", "2026", 2026, "2026"},
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{"mid-title year kept", "2001 A Space Odyssey", 1968, "2001 A Space Odyssey"},
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}
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for _, tc := range cases {
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if got := normalizeCandidateTitleForYear(tc.title, tc.year); got != tc.want {
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t.Errorf("%s: normalizeCandidateTitleForYear(%q, %d) = %q, want %q",
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tc.name, tc.title, tc.year, got, tc.want)
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}
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}
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}
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func TestInferTitleSimilarity_FoldsDiacritics(t *testing.T) {
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cases := []struct {
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name string
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left string
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right string
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year int
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want float64
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}{
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{"combining marks", "Ze do Caixao", "Zé do Caixão", 2015, 1},
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{"turkish letters", "Konusanlar", "Konuşanlar", 2020, 1},
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{"capital eszett", "STRASSE", "STRAẞE", 0, 1},
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{"eszett", "Strasse", "Straße", 0, 1},
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{"o slash", "Forbrydelsen Kobenhavn", "Forbrydelsen København", 0, 1},
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{"ae ligature", "Baerbar", "Bærbar", 0, 1},
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{"oe ligature", "Coeur", "Cœur", 0, 1},
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{"unrelated titles stay distinct", "Miniverse", "Universe", 0, 0},
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}
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for _, tc := range cases {
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if got := inferTitleSimilarity(tc.left, tc.right, tc.year); got != tc.want {
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t.Errorf("%s: inferTitleSimilarity(%q, %q, %d) = %v, want %v",
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tc.name, tc.left, tc.right, tc.year, got, tc.want)
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}
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}
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}
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func TestInferTitleSimilarity_PreservesKanaVoicing(t *testing.T) {
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if got := inferTitleSimilarity("ガキの使い", "カキの使い", 0); got != 0 {
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t.Fatalf("kana titles differing by voicing must stay distinct, got %v", got)
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}
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if got := inferTitleSimilarity("ガキの使い", "カ゛キの使い", 0); got != 1 {
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t.Fatalf("spacing dakuten must normalize to the voiced kana, got %v", got)
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}
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if got := inferTitleSimilarity("カ゛キの使い", "カキの使い", 0); got != 0 {
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t.Fatalf("spacing dakuten must remain distinct from unvoiced kana, got %v", got)
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}
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}
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func TestInferTitleSimilarity_PreservesNonLatinCombiningMarks(t *testing.T) {
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// Thai mai ek changes the word from ปา (throw) to ป่า (forest). It is a
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// combining mark, but unlike a Latin accent it must remain match-significant.
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if got := inferTitleSimilarity("ปา", "ป่า", 0); got != 0 {
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t.Fatalf("Thai titles differing by a lexical combining mark must stay distinct, got %v", got)
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}
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}
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// The dedicated episode-title fold was removed in favor of the shared
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// normalizer; episode comparison must keep folding diacritics.
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func TestEpisodeTitleSimilarity_StillFoldsDiacritics(t *testing.T) {
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if got := episodeTitleSimilarity("Cafe con Leche", "Café con Leche"); got != 1 {
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t.Fatalf("episodeTitleSimilarity should fold diacritics, got %v", got)
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}
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}
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