import sys
import os
import unittest

# Add the project root directory to the Python path to resolve the ModuleNotFoundError.
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))

from pytrace.core.node_base import TraceNode

class TestNodeA(TraceNode):
    """A dummy node for testing purposes."""
    CATEGORY = "Test"

    def process(self, **kwargs):
        # A simple process method
        return {'output': 1}

class NodeLogicTests(unittest.TestCase):

    def test_node_creation(self):
        """Tests that a basic node can be instantiated."""
        node = TestNodeA(uid="test_01", name="Test Node")
        self.assertIsInstance(node, TraceNode)
        self.assertEqual(node.uid, "test_01")

    def test_node_process(self):
        """Tests the dummy node's process method."""
        node = TestNodeA(uid="test_02", name="Test Node 2")
        result = node.process()
        self.assertIn('output', result)
        self.assertEqual(result['output'], 1)

if __name__ == '__main__':
    unittest.main()