test: 补充测试覆盖率 — DB/CLI/Search/Ingest + 修复 chromadb 异常兼容

tests/test_ingest.py

@@ -286,3 +286,38 @@ class TestIncrementalIngest:
         count2 = ingestor.ingest_file(str(file), incremental=True, force=True)
         assert count1 > 0
         assert count2 > 0  # force 模式重新入库
+
+
+def test_ingest_content_default_splitter(tmp_path):
+    """未指定 splitter 时用 MarkdownSplitter."""
+    from src.core.config import EmbedConfig
+    from src.core.db import VectorDB
+    from src.core.embedder import create_embedder
+    from src.core.ingest import DocumentIngestor
+
+    db = VectorDB(persist_dir=str(tmp_path / "db"))
+    embedder = create_embedder(EmbedConfig(mode="local"))
+    ingestor = DocumentIngestor(db, embedder, "test_content")
+    count = ingestor.ingest_content("# 测试\n\n一些内容。", "test.md")
+    assert count >= 1
+
+
+def test_ingest_directory_recursive(tmp_path):
+    """ingest_directory 递归处理子目录."""
+    from src.core.config import EmbedConfig, ChunkConfig
+    from src.core.db import VectorDB
+    from src.core.embedder import create_embedder
+    from src.core.ingest import DocumentIngestor
+
+    (tmp_path / "sub").mkdir()
+    (tmp_path / "a.md").write_text("# A\n\n内容A。", encoding="utf-8")
+    (tmp_path / "sub" / "b.md").write_text("# B\n\n内容B。", encoding="utf-8")
+    db = VectorDB(persist_dir=str(tmp_path / "db_r"))
+    embedder = create_embedder(EmbedConfig(mode="local"))
+    ingestor = DocumentIngestor(
+        db, embedder, "test_recurse",
+        chunk_config=ChunkConfig(max_size=1000, overlap=100),
+    )
+    results = ingestor.ingest_directory(str(tmp_path))
+    assert len(results) >= 2
+    assert all(v > 0 for v in results.values())