Files
ragflow/internal/ingestion/component/chunker/presentation_test.go
qinling0210 d549194562 Implement builtin chunk method as ingestion pipeline in GO (#16822)
### Summary

Implement builtin chunk mehtod as ingestion pipeline in GO
2026-07-13 13:51:40 +08:00

120 lines
3.5 KiB
Go

//
// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package chunker
import (
"context"
"testing"
)
// slideChunksOf drives PresentationChunker.Invoke and returns the emitted maps.
func slideChunksOf(t *testing.T, inputs map[string]any) []map[string]any {
t.Helper()
comp, err := NewPresentationChunker(nil)
if err != nil {
t.Fatalf("NewPresentationChunker: %v", err)
}
out, err := comp.Invoke(context.Background(), inputs)
if err != nil {
t.Fatalf("PresentationChunker.Invoke: %v", err)
}
chunks, ok := out["chunks"].([]map[string]any)
if !ok {
t.Fatalf("chunks not []map[string]any: %T", out["chunks"])
}
return chunks
}
// TestPresentationChunker_OneChunkPerSlide ports rag/app/presentation.py's
// contract: each slide becomes exactly one chunk, and per-slide metadata
// (page_number, image) survives the chunker round-trip.
func TestPresentationChunker_OneChunkPerSlide(t *testing.T) {
chunks := slideChunksOf(t, map[string]any{
"name": "deck.pptx",
"output_format": "json",
"json": []map[string]any{
{
"text": "Slide 1 content",
"doc_type_kwd": "image",
"page_number": float64(1),
"image": "base64slide1",
},
{
"text": "Slide 2 content",
"doc_type_kwd": "image",
"page_number": float64(2),
"image": "base64slide2",
},
{
"text": "Slide 3 content",
"doc_type_kwd": "image",
"page_number": float64(3),
},
},
})
if len(chunks) != 3 {
t.Fatalf("expected 3 slides, got %d", len(chunks))
}
for i, ck := range chunks {
wantPage := float64(i + 1)
if ck["page_number"] != wantPage {
t.Errorf("slide %d: page_number = %v, want %v", i+1, ck["page_number"], wantPage)
}
if ck["doc_type_kwd"] != "image" {
t.Errorf("slide %d: doc_type_kwd = %v, want image", i+1, ck["doc_type_kwd"])
}
if ck["text"] == "" {
t.Errorf("slide %d: empty text", i+1)
}
}
// Per-slide image attachments must be preserved (the key win over
// TokenChunker "one", which drops media context).
if chunks[0]["image"] != "base64slide1" {
t.Errorf("slide 1: image = %v, want base64slide1", chunks[0]["image"])
}
if chunks[1]["image"] != "base64slide2" {
t.Errorf("slide 2: image = %v, want base64slide2", chunks[1]["image"])
}
// A slide with text but no image still yields one chunk.
if _, ok := chunks[2]["image"]; ok {
t.Errorf("slide 3: unexpected image key present")
}
}
// TestPresentationChunker_Empty yields no chunks when there is no data.
func TestPresentationChunker_Empty(t *testing.T) {
chunks := slideChunksOf(t, map[string]any{
"name": "deck.pptx",
"output_format": "json",
"json": []map[string]any{},
})
if len(chunks) != 0 {
t.Fatalf("expected 0 chunks for empty input, got %d", len(chunks))
}
}
// TestPresentationChunker_NilInput yields no chunks.
func TestPresentationChunker_NilInput(t *testing.T) {
chunks := slideChunksOf(t, nil)
if len(chunks) != 0 {
t.Fatalf("expected 0 chunks for nil input, got %d", len(chunks))
}
}