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Add candidate artifact codec decoding

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This commit is contained in:
Eric Rakestraw
2026-08-09 00:57:03 +00:00
parent ee600975f0
commit 557809f364
13 changed files with 198 additions and 1 deletions
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39
internal/modules/dnd/codec/itemregistry/codec_test.go
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@@ -59,9 +59,13 @@ func TestCodecOwnsDurableSchemaAndExactType(t *testing.T) {
func TestCodecCandidateEncodingMetadataAndStrictDecode(t *testing.T) {
codec := New()
candidate := dnd.ItemRegistry{Items: []dnd.Item{{Name: "Silver Key"}}}
if content, err := codec.EncodeCandidate(candidate); err != nil || string(content) != `{"items":[{"id":"","name":"Silver Key","source_refs":null}]}` {
content, err := codec.EncodeCandidate(candidate)
if err != nil || string(content) != `{"items":[{"id":"","name":"Silver Key","source_refs":null}]}` {
t.Fatalf("EncodeCandidate() = %s, %v", content, err)
}
if decoded, err := codec.DecodeCandidate(content); err != nil || !reflect.DeepEqual(decoded, candidate) {
t.Fatalf("DecodeCandidate() = %#v, %v; want %#v", decoded, err, candidate)
}
if _, err := codec.Encode(candidate); err == nil || !strings.Contains(err.Error(), "item ID pattern") {
t.Fatalf("Encode() error = %v, want durable validation", err)
}
@@ -80,6 +84,39 @@ func TestCodecCandidateEncodingMetadataAndStrictDecode(t *testing.T) {
}
}
func TestCodecCandidateDecodeOwnsValues(t *testing.T) {
codec := New()
input := validRegistry()
content, err := codec.EncodeCandidate(input)
if err != nil {
t.Fatal(err)
}
first, err := codec.DecodeCandidate(content)
if err != nil {
t.Fatal(err)
}
second, err := codec.DecodeCandidate(content)
if err != nil {
t.Fatal(err)
}
nameOffset := bytes.Index(content, []byte("Silver Key"))
if nameOffset < 0 {
t.Fatal("candidate JSON does not contain item name")
}
content[nameOffset] = 'X'
if first.Items[0].Name != "Silver Key" {
t.Fatal("DecodeCandidate() retained input bytes")
}
first.Items[0].Name = "changed"
first.Items[0].SourceRefs[0].SourceID = "changed"
if input.Items[0].Name != "Silver Key" || input.Items[0].SourceRefs[0].SourceID != "session-alpha" {
t.Fatal("DecodeCandidate() retained input values")
}
if second.Items[0].Name != "Silver Key" || second.Items[0].SourceRefs[0].SourceID != "session-alpha" {
t.Fatal("DecodeCandidate() returned aliased values")
}
}
func TestCodecSchemaAndMetadataAreDefensive(t *testing.T) {
codec := New()
first := codec.Schema()