Add D&D location occurrence extractor

internal/modules/dnd/extract/locationoccurrences/test_helpers_test.go

@@ -0,0 +1,82 @@
+package locationoccurrences
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"testing"
+
+	"gitea.maximumdirect.net/eric/notarius/internal/core/source"
+	"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
+)
+
+func extractionRequest() contracts.TypedExtractionRequest {
+	doc := sourceDocument()
+	chunk := &source.Chunk{
+		ID: "session-occurrences:chunk:0", SourceID: doc.ID, Index: 0,
+		Ref:     source.SourceRef{SourceID: doc.ID, StartUnitID: 10, EndUnitID: 30},
+		Content: []byte(`{"units":[10,20,30]}`), MediaType: "application/json",
+		Units: append([]source.SourceUnit(nil), doc.Units...),
+	}
+	return contracts.TypedExtractionRequest{
+		Source: doc, Chunk: chunk,
+		SourceInput: contracts.NewLLMInputMaterial("source", chunk.MediaType, chunk.Content, "sha256:chunk", "file:///session-occurrences.json"),
+		SessionID:   "occurrence-session", LLMProfile: "occurrence-profile",
+	}
+}
+
+func sourceDocument() *source.SourceDocument {
+	return &source.SourceDocument{ID: "session-occurrences", Kind: "transcript", Format: "application/json", Digest: "sha256:test", Units: []source.SourceUnit{
+		{ID: 10, Kind: "transcript_segment", Text: "The party returns to the tavern."},
+		{ID: 20, Kind: "transcript_segment", Text: "They plan to travel to the tavern tomorrow."},
+		{ID: 30, Kind: "transcript_segment", Text: "They recall their first visit to the tavern."},
+	}}
+}
+
+func occurrenceRefs(start, end int) []occurrenceSourceRefResponse {
+	return []occurrenceSourceRefResponse{{StartUnitID: start, EndUnitID: end}}
+}
+
+func newExtractor(t *testing.T, client contracts.StructuredLLMClient, references ...contracts.ReferenceSet) *Extractor {
+	t.Helper()
+	extractor, err := New(client, Options{}, references...)
+	if err != nil {
+		t.Fatalf("New() error = %v", err)
+	}
+	return extractor
+}
+
+func mismatchedSourceInputRequest(req contracts.TypedExtractionRequest) contracts.TypedExtractionRequest {
+	req.SourceInput = contracts.NewLLMInputMaterial("source", "application/json", []byte(`{"different":true}`), "sha256:other", "")
+	return req
+}
+
+type fakeOccurrencesLLMClient struct {
+	response extractionResponse
+	err      error
+	requests []contracts.StructuredCompletionRequest
+}
+
+func (client *fakeOccurrencesLLMClient) CompleteStructured(_ context.Context, req contracts.StructuredCompletionRequest, out any) (contracts.StructuredCompletionResponse, error) {
+	client.requests = append(client.requests, cloneStructuredCompletionRequest(req))
+	if client.err != nil {
+		return contracts.StructuredCompletionResponse{}, client.err
+	}
+	target, ok := out.(*extractionResponse)
+	if !ok {
+		return contracts.StructuredCompletionResponse{}, errors.New("unexpected output target")
+	}
+	content, err := json.Marshal(client.response)
+	if err != nil {
+		return contracts.StructuredCompletionResponse{}, err
+	}
+	if err := json.Unmarshal(content, target); err != nil {
+		return contracts.StructuredCompletionResponse{}, err
+	}
+	return contracts.StructuredCompletionResponse{Content: content}, nil
+}
+
+func cloneStructuredCompletionRequest(req contracts.StructuredCompletionRequest) contracts.StructuredCompletionRequest {
+	req.Inputs = req.Inputs.Clone()
+	return req
+}