package scriptorium

import (
	"context"
	"testing"

	"gitea.maximumdirect.net/eric/scriptorium/internal/domain"
)

func TestPublicArtifactReaderAdapterCopiesBody(t *testing.T) {
	reader := internalArtifactReaderFake{
		artifact: &Artifact{Body: []byte("original")},
	}
	adapter := publicArtifactReaderAdapter{reader: &reader}

	artifact, err := adapter.Read(context.Background(), domain.ArtifactRef{
		Type: domain.ArtifactRefInline,
		URI:  "memory://input",
		Body: "input",
	})
	if err != nil {
		t.Fatalf("read artifact: %v", err)
	}
	artifact.Body[0] = 'X'
	if got := string(reader.artifact.Body); got != "original" {
		t.Fatalf("reader artifact body was mutated: %q", got)
	}
}

type internalArtifactReaderFake struct {
	artifact *Artifact
}

func (r *internalArtifactReaderFake) Read(context.Context, ArtifactRef) (*Artifact, error) {
	return r.artifact, nil
}