65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
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package mediainfo
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import "testing"
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func TestNormalizeLang(t *testing.T) {
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tests := []struct {
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input string
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want string
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}{
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{"", "und"},
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{"eng", "en"},
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{"spa", "es"},
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{"fre", "fr"},
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{"fra", "fr"},
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{"ger", "de"},
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{"deu", "de"},
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{"en", "en"},
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{"es", "es"},
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{"English", "en"},
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{"SPANISH", "es"},
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{"Japanese", "ja"},
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{"jpn", "ja"},
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{"chi", "zh"},
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{"zho", "zh"},
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{"und", "und"},
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{"xyz", "xyz"}, // unknown → lowercase passthrough
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{"POR", "pt"},
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}
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for _, tt := range tests {
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t.Run(tt.input, func(t *testing.T) {
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got := NormalizeLang(tt.input)
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if got != tt.want {
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t.Errorf("NormalizeLang(%q) = %q, want %q", tt.input, got, tt.want)
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}
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})
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}
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}
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func TestComputeLanguages(t *testing.T) {
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tracks := []AudioTrack{
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{Lang: "en", Codec: "aac", Channels: 2},
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{Lang: "es", Codec: "ac3", Channels: 6},
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{Lang: "en", Codec: "dts", Channels: 6}, // duplicate
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{Lang: "und", Codec: "aac", Channels: 2},
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{Lang: "", Codec: "aac", Channels: 2},
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}
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langs := ComputeLanguages(tracks)
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if len(langs) != 2 {
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t.Fatalf("expected 2 languages, got %d: %v", len(langs), langs)
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}
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if langs[0] != "en" || langs[1] != "es" {
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t.Errorf("expected [en es], got %v", langs)
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}
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}
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func TestComputeLanguagesEmpty(t *testing.T) {
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langs := ComputeLanguages(nil)
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if len(langs) != 0 {
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t.Errorf("expected empty, got %v", langs)
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}
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}
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