298 lines
12 KiB
Python
298 lines
12 KiB
Python
"""文档入库测试."""
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import tempfile
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from pathlib import Path
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import pytest
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from src.core.splitters import MarkdownSplitter
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from src.core.ingest import DocumentIngestor
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class TestMarkdownSplitter:
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"""Markdown 分块器测试."""
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@pytest.fixture
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def splitter(self):
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return MarkdownSplitter(max_size=1000, overlap=100)
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def test_split_simple_document(self, splitter):
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"""简单文档按标题拆分."""
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md = """# 标题一
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这是第一段内容。
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## 标题二
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这是第二段内容。
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# 标题三
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这是第三段内容。"""
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chunks = splitter.split(md, source_file="test.md")
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assert len(chunks) >= 3
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# 每个 chunk 有元数据
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for chunk in chunks:
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assert "content" in chunk
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assert chunk["source_file"] == "test.md"
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def test_chunk_has_heading_metadata(self, splitter):
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"""chunk 附带标题元数据."""
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md = "# 配置指南\n这里是配置说明。"
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chunks = splitter.split(md, source_file="config.md")
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assert len(chunks) >= 1
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title = chunks[0]["section_title"]
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assert "配置指南" in title or title == ""
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def test_long_section_is_split(self, splitter):
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"""超长章节被进一步拆分."""
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# 创建一个超过 max_size 的段落
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long_text = "这是很长的文本。" * 300 # ~3000 字符
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md = f"# 长章节\n{long_text}"
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small_splitter = MarkdownSplitter(max_size=500, overlap=50)
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chunks = small_splitter.split(md, source_file="long.md")
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assert len(chunks) > 1
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def test_empty_document(self, splitter):
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"""空文档返回空列表."""
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chunks = splitter.split("", source_file="empty.md")
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assert chunks == []
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def test_code_blocks_preserved(self, splitter):
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"""代码块不被拆分."""
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md = """# 代码示例
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```python
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def hello():
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print("world")
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```
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"""
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chunks = splitter.split(md, source_file="code.md")
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assert len(chunks) >= 1
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# 代码块内容应在某个 chunk 中
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all_content = " ".join(c["content"] for c in chunks)
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assert "def hello()" in all_content
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def test_separator_near_start_does_not_loop(self, splitter):
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"""分隔符紧挨 start 时不会死循环 (回归测试, fix: start=max(start+1, next_start)).
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场景: 超长段落中, 分隔符出现在距离 start 小于 overlap 的位置,
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_split_single_paragraph 的 start 会回退为负数, str.rfind 负索引绕回导致死循环.
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"""
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# 100 个句号 + 大量内容 → 句号密集在开头且很近
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text = "。" * 80 + "内容文本" * 500
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md = f"# 边界测试\n{text}"
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chunks = splitter.split(md, source_file="edge.md")
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# 不卡死即通过
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assert len(chunks) > 0
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# 验证内容完整
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all_text = "".join(c["content"] for c in chunks)
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assert "内容文本" in all_text
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def test_dense_separators_in_long_para(self, splitter):
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"""超长段落中分隔符密集分布也能正确分块."""
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# ~2000 字符: 每段 20 个"内容文本" + "。"，共 30 段
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text = ""
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for i in range(30):
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text += "内容文本" * 20 + "。" * (3 if i % 5 == 0 else 1) + "\n"
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md = f"# 密集分隔符\n{text}"
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chunks = splitter.split(md, source_file="dense.md")
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assert len(chunks) > 1 # 超过 1000 字符应被拆分
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class TestDocumentIngestor:
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"""文档入库器测试."""
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@pytest.fixture
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def temp_md_dir(self):
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with tempfile.TemporaryDirectory() as d:
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# 创建测试 Markdown 文件
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md_path = Path(d) / "test.md"
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md_path.write_text("# 测试\n这是测试内容。", encoding="utf-8")
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yield d
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def test_read_markdown_file(self, temp_md_dir):
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"""读取 Markdown 文件."""
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content = Path(temp_md_dir + "/test.md").read_text(encoding="utf-8")
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assert "测试" in content
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assert "这是测试内容" in content
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class TestIngestorIntegration:
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"""入库器集成测试 (使用真实 embedder)."""
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def test_ingest_content_real(self, tmp_path):
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"""真实入库: 分块→嵌入→入库."""
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from src.core.config import EmbedConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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db = VectorDB(persist_dir=str(tmp_path))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(db, embedder, "test_integration")
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count = ingestor.ingest_content("# Hello\nWorld.", "hello.md")
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assert count > 0
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assert ingestor.collection.count() == count
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def test_ingest_deduplicates(self, tmp_path):
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"""重复入库同一文件会去重."""
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from src.core.config import EmbedConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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db = VectorDB(persist_dir=str(tmp_path))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(db, embedder, "test_dedup")
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c1 = ingestor.ingest_content("# A", "dup.md")
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c2 = ingestor.ingest_content("# B", "dup.md")
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assert ingestor.collection.count() == c2
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class TestIngestFile:
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"""ingest_file 方法测试."""
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def test_ingest_file_markdown(self, tmp_path):
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"""通过文件路径入库 .md 文件."""
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from src.core.config import EmbedConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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md_file = tmp_path / "hello.md"
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md_file.write_text("# 测试\n这是测试内容。", encoding="utf-8")
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db = VectorDB(persist_dir=str(tmp_path / "db"))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(db, embedder, "test_file")
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count = ingestor.ingest_file(str(md_file))
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assert count > 0
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assert ingestor.collection.count() == count
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def test_ingest_file_text(self, tmp_path):
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"""通过文件路径入库 .txt 文件."""
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from src.core.config import EmbedConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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txt_file = tmp_path / "notes.txt"
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txt_file.write_text("这是一段纯文本内容。\n\n第二段内容在这里。", encoding="utf-8")
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db = VectorDB(persist_dir=str(tmp_path / "db"))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(db, embedder, "test_txt")
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count = ingestor.ingest_file(str(txt_file))
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assert count > 0
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class TestIngestDirectory:
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"""ingest_directory 方法测试."""
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def test_ingest_directory_mixed_formats(self, tmp_path):
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"""入库包含多种格式的目录."""
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from src.core.config import EmbedConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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(tmp_path / "a.md").write_text("# A\n内容 A", encoding="utf-8")
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(tmp_path / "b.txt").write_text("内容 B", encoding="utf-8")
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(tmp_path / "not_supported.xyz").write_text("不应被处理", encoding="utf-8")
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db = VectorDB(persist_dir=str(tmp_path / "db"))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(db, embedder, "test_dir")
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results = ingestor.ingest_directory(str(tmp_path))
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assert len(results) >= 2 # a.md + b.txt, .xyz 被忽略
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def test_ingest_directory_empty(self, tmp_path):
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"""空目录返回空结果."""
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from src.core.config import EmbedConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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db = VectorDB(persist_dir=str(tmp_path / "db"))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(db, embedder, "test_empty_dir")
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results = ingestor.ingest_directory(str(tmp_path))
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assert results == {}
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class TestIncrementalIngest:
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"""增量入库测试."""
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def test_ingest_file_incremental_skips_unchanged(self, tmp_path):
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"""增量模式: 未修改的文件跳过入库."""
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from src.core.config import EmbedConfig, ChunkConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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from src.core.file_tracker import FileTracker
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file = tmp_path / "stable.md"
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file.write_text("# 稳定文档\n\n内容不变。", encoding="utf-8")
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tracker_path = str(tmp_path / "tracker.json")
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db = VectorDB(persist_dir=str(tmp_path / "db"))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(
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db, embedder, "test_incr",
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chunk_config=ChunkConfig(max_size=1000, overlap=100),
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file_tracker=FileTracker(tracker_path),
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)
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count1 = ingestor.ingest_file(str(file), incremental=True)
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assert count1 > 0
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count2 = ingestor.ingest_file(str(file), incremental=True)
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assert count2 == 0 # 跳过
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def test_ingest_file_incremental_reingests_modified(self, tmp_path):
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"""增量模式: 修改后的文件重新入库."""
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from src.core.config import EmbedConfig, ChunkConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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from src.core.file_tracker import FileTracker
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file = tmp_path / "changing.md"
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file.write_text("# v1\n\n初始版本的内容段落。", encoding="utf-8")
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tracker_path = str(tmp_path / "tracker2.json")
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db = VectorDB(persist_dir=str(tmp_path / "db2"))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(
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db, embedder, "test_incr2",
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chunk_config=ChunkConfig(max_size=1000, overlap=100),
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file_tracker=FileTracker(tracker_path),
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)
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count1 = ingestor.ingest_file(str(file), incremental=True)
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assert count1 > 0
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file.write_text("# v2\n\n新增段落，内容完全不同了。", encoding="utf-8")
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count2 = ingestor.ingest_file(str(file), incremental=True)
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assert count2 > 0
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def test_ingest_file_force_mode_always_reingests(self, tmp_path):
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"""force=True 时始终重新入库（忽略 tracker）."""
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from src.core.config import EmbedConfig, ChunkConfig
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from src.core.db import VectorDB
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from src.core.embedder import create_embedder
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from src.core.ingest import DocumentIngestor
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from src.core.file_tracker import FileTracker
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file = tmp_path / "force.md"
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file.write_text("# force test\n\n这是强制入库测试的内容。", encoding="utf-8")
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tracker_path = str(tmp_path / "tracker3.json")
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db = VectorDB(persist_dir=str(tmp_path / "db3"))
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embedder = create_embedder(EmbedConfig(mode="local"))
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ingestor = DocumentIngestor(
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db, embedder, "test_force",
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chunk_config=ChunkConfig(max_size=1000, overlap=100),
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file_tracker=FileTracker(tracker_path),
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)
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count1 = ingestor.ingest_file(str(file), incremental=True)
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count2 = ingestor.ingest_file(str(file), incremental=True, force=True)
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assert count1 > 0
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assert count2 > 0 # force 模式重新入库
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