ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter2/context-compression/test_null_content_compression.py

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+"""
+Test suite locking out TypeError in ContextCompressor._no_compression
+when a search result dictionary contains 'content': None.
+"""
+
+import os
+import sys
+
+sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))
+
+from compression_strategies import ContextCompressor
+
+
+def test_no_compression_handles_null_content():
+    """
+    Ensure _no_compression does not raise TypeError when result['content'] is None.
+    """
+    compressor = ContextCompressor.__new__(ContextCompressor)
+    search_results = {
+        'results': [
+            {'title': 'Test', 'url': 'http://example.com', 'snippet': 'snippet', 'content': None}
+        ]
+    }
+    compressed = compressor._no_compression(search_results)
+    assert compressed.original_length == 0
+    assert "Full Content:" in compressed.content