mirror of
https://github.com/infiniflow/ragflow.git
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374 lines
11 KiB
Go
374 lines
11 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package chunker
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import (
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"context"
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"strings"
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"testing"
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"ragflow/internal/agent/runtime"
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"ragflow/internal/ingestion/component/schema"
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)
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// TestTitleChunker_Registered asserts the registry has a CategoryIngestion
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// entry for TitleChunker.
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func TestTitleChunker_Registered(t *testing.T) {
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factory, cat, meta, ok := runtime.DefaultRegistry.Lookup("TitleChunker")
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if !ok {
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t.Fatal("TitleChunker: registry miss")
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}
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if cat != runtime.CategoryIngestion {
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t.Errorf("category = %q, want %q", cat, runtime.CategoryIngestion)
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}
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if factory == nil {
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t.Error("factory is nil")
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}
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if len(meta.Inputs) == 0 {
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t.Errorf("inputs metadata is empty")
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}
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if len(meta.Outputs) == 0 {
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t.Errorf("outputs metadata is empty")
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}
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}
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// TestTitleChunker_InputsOutputs_NonEmpty asserts metadata is
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// populated for both ends.
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func TestTitleChunker_InputsOutputs_NonEmpty(t *testing.T) {
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_, _, meta, ok := runtime.DefaultRegistry.Lookup("TitleChunker")
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if !ok {
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t.Fatal("registry miss")
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}
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if len(meta.Inputs) == 0 {
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t.Error("inputs metadata is empty")
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}
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if len(meta.Outputs) == 0 {
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t.Error("outputs metadata is empty")
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}
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}
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// TestTitleChunker_NewRejectsBadMethod enforces the method check.
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func TestTitleChunker_NewRejectsBadMethod(t *testing.T) {
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if _, err := NewTitleChunker(map[string]any{
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"method": "unknown",
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"levels": [][]string{{"^# "}},
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}); err == nil {
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t.Fatal("expected error, got nil")
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}
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}
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// TestTitleChunker_NewRejectsHierarchyWithoutHierarchyParam enforces
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// the hierarchy branch's required-field check.
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func TestTitleChunker_NewRejectsHierarchyWithoutHierarchyParam(t *testing.T) {
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if _, err := NewTitleChunker(map[string]any{
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"method": "hierarchy",
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"levels": [][]string{{"^# "}},
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}); err == nil {
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t.Fatal("expected error, got nil")
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}
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}
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// TestTitleChunker_InvokeEmptyInput returns empty chunks for an
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// empty payload.
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func TestTitleChunker_InvokeEmptyInput(t *testing.T) {
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c, err := NewTitleChunker(map[string]any{
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"method": "group",
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"levels": [][]string{{"^# "}},
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})
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if err != nil {
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t.Fatalf("NewTitleChunker: %v", err)
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}
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out, err := c.Invoke(context.Background(), map[string]any{})
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if err != nil {
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t.Fatalf("Invoke: %v", err)
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}
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if got, want := out["output_format"], "chunks"; got != want {
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t.Errorf("output_format = %v, want %v", got, want)
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}
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chunks, _ := out["chunks"].([]map[string]any)
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if len(chunks) != 0 {
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t.Errorf("chunks = %d, want 0", len(chunks))
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}
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}
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// TestTitleChunker_Headings_ASCII is the golden-file parity check
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// for the markdown detector: a # heading + body + ## subheading + body
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// is recognized at least one chunked partition boundary.
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//
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// Note: the title strategy is dispatched to the underlying strategy
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// (`group` by default, or `hierarchy` when configured). Each
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// strategy test lives in its own file; this test routes through
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// both via the dispatcher.
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func TestTitleChunker_Headings_ASCII(t *testing.T) {
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c, err := NewTitleChunker(map[string]any{
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"method": "group",
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"levels": [][]string{
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{`^# `},
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{`^## `},
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{`^### `},
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},
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})
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if err != nil {
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t.Fatalf("NewTitleChunker: %v", err)
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}
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input := "# Top\nFirst body line under Top.\nSecond body.\n## Sub\nBody under Sub heading.\n# TopTwo\nBody under TopTwo."
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out, err := c.Invoke(context.Background(), map[string]any{
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"name": "doc.md",
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"text": input,
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})
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if err != nil {
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t.Fatalf("Invoke: %v", err)
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}
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if got, want := out["output_format"], "chunks"; got != want {
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t.Errorf("output_format = %v, want %v", got, want)
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}
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chunks, _ := out["chunks"].([]map[string]any)
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if len(chunks) == 0 {
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t.Fatal("chunks: want >=1, got 0")
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}
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for i, ck := range chunks {
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if text, _ := ck["text"].(string); text == "" {
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t.Errorf("chunk[%d] text is empty", i)
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}
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}
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}
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// TestTitleChunker_NoHeadings_FallsBack feeds plain text without any
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// markdown heading; the chunker should still produce a chunk
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// containing the body text (single chunk fallback).
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func TestTitleChunker_NoHeadings_FallsBack(t *testing.T) {
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c, err := NewTitleChunker(map[string]any{
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"method": "group",
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"levels": [][]string{{"^# "}},
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})
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if err != nil {
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t.Fatalf("NewTitleChunker: %v", err)
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}
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out, err := c.Invoke(context.Background(), map[string]any{
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"name": "doc.txt",
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"text": "alpha line one\nalpha line two",
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})
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if err != nil {
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t.Fatalf("Invoke: %v", err)
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}
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chunks, _ := out["chunks"].([]map[string]any)
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if len(chunks) == 0 {
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t.Fatal("chunks: want >=1, got 0")
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}
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}
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// TestTitleChunker_DispatcherHierarchy routes to the hierarchy
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// strategy without panicking.
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func TestTitleChunker_DispatcherHierarchy(t *testing.T) {
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c, err := NewTitleChunker(map[string]any{
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"method": "hierarchy",
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"hierarchy": 1,
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"levels": [][]string{{`^# `}, {`^## `}},
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})
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if err != nil {
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t.Fatalf("NewTitleChunker: %v", err)
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}
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if _, ok := c.(*TitleChunkerComponent); !ok {
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t.Fatalf("NewTitleChunker returned %T", c)
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}
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_, err = c.Invoke(context.Background(), map[string]any{
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"name": "doc.md",
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"text": "# Top\nFirst body.\n# TopTwo\nBody under TopTwo.",
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})
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if err != nil {
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t.Fatalf("Invoke: %v", err)
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}
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}
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// TestTitleChunker_InvokeDeterministic runs the heading detector
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// 10 times and asserts the chunks list is identical.
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func TestTitleChunker_InvokeDeterministic(t *testing.T) {
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c, err := NewTitleChunker(map[string]any{
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"method": "group",
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"levels": [][]string{
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{`^# `},
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{`^## `},
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},
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})
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if err != nil {
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t.Fatalf("NewTitleChunker: %v", err)
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}
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inputs := map[string]any{
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"name": "doc.md",
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"text": "# A\nbody a line 1\nbody a line 2\n# B\nbody b line 1\n# C\nbody c line 1",
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}
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var firstLen int
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var firstTexts []string
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for run := 0; run < 10; run++ {
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out, err := c.Invoke(context.Background(), inputs)
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if err != nil {
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t.Fatalf("Invoke run %d: %v", run, err)
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}
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chunks, _ := out["chunks"].([]map[string]any)
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texts := make([]string, len(chunks))
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for i, ck := range chunks {
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texts[i], _ = ck["text"].(string)
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}
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if run == 0 {
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firstLen = len(chunks)
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firstTexts = texts
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continue
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}
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if firstLen != len(chunks) {
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t.Fatalf("run %d: chunk count changed (%d vs %d)", run, len(chunks), firstLen)
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}
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for i := range chunks {
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if firstTexts[i] != texts[i] {
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t.Fatalf("run %d: chunk[%d] text changed", run, i)
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}
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}
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}
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}
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// TestNewLevelContext_MostLevelIsMode pins Gap A: most_level is the
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// most-frequent non-body heading level (the mode), matching python
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// Counter(levels).most_common(). The old loop iterated map values and
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// returned the smallest count, which skewed the group fallback target.
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func TestNewLevelContext_MostLevelIsMode(t *testing.T) {
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p := &titleChunkerParam{TitleChunkerParam: schema.TitleChunkerParam{
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Method: "group",
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Levels: [][]string{{`^# `, `^## `, `^### `}},
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}}
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records := []lineRecord{
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{text: "# a", docType: "text"},
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{text: "## b", docType: "text"},
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{text: "## c", docType: "text"},
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{text: "### d", docType: "text"},
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}
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lc := newLevelContext(records, p)
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// selectLevelGroup picks the single 3-pattern family; per-line
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// levels are [1,2,2,3], so the mode (most frequent heading level)
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// is level 2.
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if lc.mostLevel != 2 {
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t.Errorf("mostLevel = %d, want 2 (the most frequent heading level)", lc.mostLevel)
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}
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}
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// TestNotBullet pins Gap B: the port of rag/nlp.not_bullet must reject
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// numbered/bulleted list lines so they are not promoted to headings.
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func TestNotBullet(t *testing.T) {
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bullet := []string{
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"0",
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"1 2个",
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"1... trailing",
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"1.2.3.4的",
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"2.3.4中",
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"0.5 section",
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}
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for _, s := range bullet {
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if !notBullet(s) {
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t.Errorf("notBullet(%q) = false, want true", s)
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}
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}
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heading := []string{
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"# Heading",
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"## Subheading",
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"Section 1",
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"Article 12",
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"1.2 Normal sentence",
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"1.2.3 without marker",
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}
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for _, s := range heading {
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if notBullet(s) {
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t.Errorf("notBullet(%q) = true, want false", s)
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}
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}
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}
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// TestNotTitle pins the port of rag/nlp.not_title used by the layout
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// fallback: long/no-space/punctuated lines are "not a title", while
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// the 第…条 exception and short title-like lines are titles.
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func TestNotTitle(t *testing.T) {
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longLine := "one two three four five six seven eight nine ten eleven twelve thirteen"
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if !notTitle(longLine) {
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t.Errorf("notTitle(>12 words) = false, want true")
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}
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noSpace := strings.Repeat("x", 40)
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if !notTitle(noSpace) {
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t.Errorf("notTitle(no space, >=32 chars) = false, want true")
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}
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if !notTitle("This, is a body line") {
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t.Errorf("notTitle(comma line) = false, want true")
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}
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if notTitle("第三条 关于某某规定") {
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t.Errorf("notTitle(第…条) = true, want false (exception)")
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}
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if notTitle("Chapter One") {
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t.Errorf("notTitle(Chapter One) = true, want false")
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}
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}
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// TestResolveTitleLevels_NonTextPinnedToBody pins Gap D: a non-text
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// record whose caption would match a heading regex is still pinned to
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// BODY_LEVEL, because python never runs regex/layout detection for
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// doc_type_kwd != "text".
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func TestResolveTitleLevels_NonTextPinnedToBody(t *testing.T) {
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p := &titleChunkerParam{TitleChunkerParam: schema.TitleChunkerParam{
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Method: "group",
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Levels: [][]string{{`^# `}},
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}}
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records := []lineRecord{
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{text: "# Real Heading", docType: "text"},
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{text: "# image caption that matches", docType: "image"},
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{text: "body line", docType: "text"},
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}
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levels := resolveTitleLevels(records, p)
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if levels[0] != 1 {
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t.Errorf("text heading level = %d, want 1", levels[0])
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}
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if levels[1] != bodyLevel {
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t.Errorf("non-text caption level = %d, want bodyLevel (%d)", levels[1], bodyLevel)
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}
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if levels[2] != bodyLevel {
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t.Errorf("body level = %d, want bodyLevel", levels[2])
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}
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}
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// TestResolveTitleLevels_LayoutFallback pins Gap C: a text record that
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// misses every regex but whose layout flags it as a section/title/head
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// and whose text passes not_title is promoted to fallback_level =
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// len(selected_group) + 1. The group must have at least one regex hit
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// (here "# Real Heading") so it is selected; with one pattern the
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// fallback_level is 2.
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func TestResolveTitleLevels_LayoutFallback(t *testing.T) {
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p := &titleChunkerParam{TitleChunkerParam: schema.TitleChunkerParam{
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Method: "group",
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Levels: [][]string{{`^# `}},
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}}
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records := []lineRecord{
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{text: "# Real Heading", docType: "text", layout: "title"},
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{text: "Chapter One Overview", docType: "text", layout: "title"},
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{text: "Some body paragraph text here.", docType: "text", layout: "text"},
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}
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levels := resolveTitleLevels(records, p)
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if levels[0] != 1 {
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t.Errorf("regex heading level = %d, want 1", levels[0])
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}
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if levels[1] != 2 {
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t.Errorf("layout title level = %d, want 2 (fallback_level)", levels[1])
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}
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if levels[2] != bodyLevel {
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t.Errorf("plain body level = %d, want bodyLevel", levels[2])
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}
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}
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