64 lines
2.3 KiB
Go
64 lines
2.3 KiB
Go
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package jellycompat
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import (
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"testing"
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"github.com/Silo-Server/silo-server/internal/contentid"
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)
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// TestContentIDDecodesWithoutSharedState is the core of the restart-safety fix:
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// encoding and decoding run on DIFFERENT codec instances, modeling a server
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// restart where the decoder's in-memory reverse map is empty. A structured
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// content_id must still decode, because it is packed into the UUID reversibly
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// rather than hashed into a side table.
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func TestContentIDDecodesWithoutSharedState(t *testing.T) {
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cases := []struct {
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kind EncodedIDType
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id string
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}{
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{EncodedIDItem, "movie-tmdb-228064"},
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{EncodedIDItem, "movie-imdb-tt2413338"},
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{EncodedIDItem, "series-tvdb-296762"},
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{EncodedIDItem, "episode-tvdb-296762-1-5"},
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{EncodedIDItem, contentid.ForLocal("/media/movies/Home Video.mkv")},
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{EncodedIDSeason, "season-tvdb-296762-1"},
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}
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for _, tc := range cases {
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enc := NewResourceIDCodec()
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dec := NewResourceIDCodec() // fresh instance: cold reverse map
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u := enc.EncodeStringID(tc.kind, tc.id)
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got, err := dec.DecodeStringID(tc.kind, u)
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if err != nil {
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t.Fatalf("DecodeStringID(%d, %q) on fresh codec: %v (id %q)", tc.kind, u, err, tc.id)
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}
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if got != tc.id {
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t.Fatalf("round trip across instances: %q -> %q -> %q", tc.id, u, got)
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}
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}
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}
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// TestLegacyNumericContentIDRoundTrips guards the unchanged path: non-anchored
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// items (audiobooks, collisions, unmatched) keep their numeric Sonyflake
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// content_id, which was already encoded statelessly and must stay that way.
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func TestLegacyNumericContentIDRoundTrips(t *testing.T) {
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const legacy = "1234567890123456"
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u := NewResourceIDCodec().EncodeStringID(EncodedIDItem, legacy)
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got, err := NewResourceIDCodec().DecodeStringID(EncodedIDItem, u)
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if err != nil || got != legacy {
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t.Fatalf("legacy numeric round trip = (%q, %v), want (%q, nil)", got, err, legacy)
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}
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}
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// TestGenreNameStillUsesReverseMap guards that arbitrary string ids (genre
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// names, etc.) are untouched by the content_id packing and still round-trip
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// within a single codec instance via the reverse map.
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func TestGenreNameStillUsesReverseMap(t *testing.T) {
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c := NewResourceIDCodec()
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const genre = "Science Fiction"
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u := c.EncodeStringID(EncodedIDGenre, genre)
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got, err := c.DecodeStringID(EncodedIDGenre, u)
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if err != nil || got != genre {
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t.Fatalf("genre round trip = (%q, %v), want (%q, nil)", got, err, genre)
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}
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}
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