mathiasandClaude Opus 4.8
bddd75d92e
Pure parser for watch?v=, youtu.be/, shorts/, embed/, and bare ids; rejects non-YouTube hosts and malformed input. Foundation for paste-a-URL summarize (Feature 2). No fetch, no gate interaction — parsing only. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
package web
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import "testing"
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func TestParseYouTubeVideoID(t *testing.T) {
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const id = "dQw4w9WgXcQ"
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ok := []struct {
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name, in string
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}{
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{"watch", "https://www.youtube.com/watch?v=" + id},
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{"watch no www", "https://youtube.com/watch?v=" + id},
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{"watch m", "https://m.youtube.com/watch?v=" + id},
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{"watch extra params", "https://www.youtube.com/watch?v=" + id + "&t=42s&list=PLxyz"},
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{"watch param after", "https://www.youtube.com/watch?list=PLxyz&v=" + id},
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{"short link", "https://youtu.be/" + id},
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{"short link param", "https://youtu.be/" + id + "?si=abcd&t=1"},
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{"shorts", "https://www.youtube.com/shorts/" + id},
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{"embed", "https://www.youtube.com/embed/" + id},
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{"bare id", id},
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{"http scheme", "http://youtube.com/watch?v=" + id},
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{"no scheme", "youtube.com/watch?v=" + id},
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{"trailing space", " https://youtu.be/" + id + " "},
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}
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for _, c := range ok {
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t.Run(c.name, func(t *testing.T) {
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got, err := parseYouTubeVideoID(c.in)
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if err != nil {
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t.Fatalf("parseYouTubeVideoID(%q) error: %v", c.in, err)
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}
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if got != id {
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t.Fatalf("parseYouTubeVideoID(%q) = %q, want %q", c.in, got, id)
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}
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})
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}
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bad := []struct {
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name, in string
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}{
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{"empty", ""},
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{"blank", " "},
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{"vimeo", "https://vimeo.com/123456789"},
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{"other host", "https://example.com/watch?v=" + id},
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{"watch no id", "https://www.youtube.com/watch?v="},
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{"short id", "https://youtu.be/abc"},
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{"long id", "https://youtu.be/" + id + "extra"},
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{"bad chars", "https://youtu.be/dQw4w9Wg!cQ"},
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{"not a url", "just some text"},
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{"channel url", "https://www.youtube.com/@somechannel"},
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}
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for _, c := range bad {
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t.Run("reject "+c.name, func(t *testing.T) {
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if got, err := parseYouTubeVideoID(c.in); err == nil {
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t.Fatalf("parseYouTubeVideoID(%q) = %q, want error", c.in, got)
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}
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})
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}
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}
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