test: add DELETE endpoint tests and ingest integration tests

tests/test_ingest.py

@@ -85,3 +85,37 @@ class TestDocumentIngestor:
         content = Path(temp_md_dir + "/test.md").read_text(encoding="utf-8")
         assert "测试" in content
         assert "这是测试内容" in content
+
+
+class TestIngestorIntegration:
+    """入库器集成测试 (使用真实 embedder)."""
+
+    def test_ingest_content_real(self, tmp_path):
+        """真实入库: 分块→嵌入→入库."""
+        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))
+        embedder = create_embedder(EmbedConfig(mode="local"))
+        ingestor = DocumentIngestor(db, embedder, "test_integration")
+
+        count = ingestor.ingest_content("# Hello\nWorld.", "hello.md")
+        assert count > 0
+        assert ingestor.collection.count() == count
+
+    def test_ingest_deduplicates(self, tmp_path):
+        """重复入库同一文件会去重."""
+        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))
+        embedder = create_embedder(EmbedConfig(mode="local"))
+        ingestor = DocumentIngestor(db, embedder, "test_dedup")
+
+        c1 = ingestor.ingest_content("# A", "dup.md")
+        c2 = ingestor.ingest_content("# B", "dup.md")
+        assert ingestor.collection.count() == c2