feat: implement mvp with email-first login flow and langgraph architecture

tests/test_logging_core.py

@@ -0,0 +1,67 @@
+import logging
+import pytest
+from ea_chatbot.utils.logging import get_logger
+
+@pytest.fixture(autouse=True)
+def reset_logging():
+    """Reset the ea_chatbot logger handlers before each test."""
+    logger = logging.getLogger("ea_chatbot")
+    # Remove all existing handlers
+    for handler in logger.handlers[:]:
+        logger.removeHandler(handler)
+    yield
+    # Also clean up after test
+    for handler in logger.handlers[:]:
+        logger.removeHandler(handler)
+
+def test_get_logger_singleton():
+    """Test that get_logger returns the same logger instance for the same name."""
+    logger1 = get_logger("test_logger")
+    logger2 = get_logger("test_logger")
+    assert logger1 is logger2
+
+def test_get_logger_rich_handler():
+    """Test that get_logger configures a RichHandler on root."""
+    get_logger("test_rich")
+    root = logging.getLogger("ea_chatbot")
+    # Check if any handler is a RichHandler
+    handler_names = [h.__class__.__name__ for h in root.handlers]
+    assert "RichHandler" in handler_names
+
+def test_get_logger_level():
+    """Test that get_logger sets the correct log level."""
+    logger = get_logger("test_level", level="DEBUG")
+    assert logger.level == logging.DEBUG
+
+def test_json_formatter_serializes_dict():
+    """Test that JsonFormatter serializes log records to JSON."""
+    from ea_chatbot.utils.logging import JsonFormatter
+    import json
+    
+    formatter = JsonFormatter()
+    record = logging.LogRecord(
+        name="test", level=logging.INFO, pathname="test.py", lineno=10,
+        msg="test message", args=(), exc_info=None
+    )
+    formatted = formatter.format(record)
+    data = json.loads(formatted)
+    
+    assert data["message"] == "test message"
+    assert data["level"] == "INFO"
+    assert "timestamp" in data
+
+def test_get_logger_file_handler(tmp_path):
+    """Test that get_logger configures a file handler on root."""
+    log_file = tmp_path / "test.json"
+    logger = get_logger("test_file", log_file=str(log_file))
+    
+    root = logging.getLogger("ea_chatbot")
+    handler_names = [h.__class__.__name__ for h in root.handlers]
+    assert "RotatingFileHandler" in handler_names
+    
+    logger.info("file log test")
+    
+    # Check if file exists and has content
+    assert log_file.exists()
+    content = log_file.read_text()
+    assert "file log test" in content