133 lines
5.0 KiB
Python
133 lines
5.0 KiB
Python
import unittest
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from unittest.mock import patch, MagicMock
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import json
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import subprocess
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import io
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import sys
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import os
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# Ensure the project root is in sys.path to resolve imports correctly
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sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
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from gemini_cli_adapter import GeminiCliAdapter
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class TestGeminiCliAdapter(unittest.TestCase):
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def setUp(self):
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self.adapter = GeminiCliAdapter(binary_path="gemini")
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@patch('subprocess.Popen')
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def test_send_starts_subprocess_with_correct_args(self, mock_popen):
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"""
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Verify that send(message) correctly starts the subprocess with
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--output-format stream-json and the provided message via stdin.
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"""
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# Setup mock process with a minimal valid JSONL termination
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process_mock = MagicMock()
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process_mock.stdout = io.StringIO(json.dumps({"type": "result", "usage": {}}) + "\n")
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process_mock.stdin = MagicMock()
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process_mock.poll.return_value = 0
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process_mock.wait.return_value = 0
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mock_popen.return_value = process_mock
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message = "Hello Gemini CLI"
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self.adapter.send(message)
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# Verify subprocess.Popen call
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mock_popen.assert_called_once()
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args, kwargs = mock_popen.call_args
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cmd = args[0]
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# Check mandatory CLI components
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self.assertIn("gemini", cmd)
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self.assertIn("--output-format", cmd)
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self.assertIn("stream-json", cmd)
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# Message should NOT be in cmd now
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self.assertNotIn(message, cmd)
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# Verify message was written to stdin
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process_mock.stdin.write.assert_called_once_with(message)
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process_mock.stdin.close.assert_called_once()
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# Check process configuration
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self.assertEqual(kwargs.get('stdout'), subprocess.PIPE)
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self.assertEqual(kwargs.get('stdin'), subprocess.PIPE)
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self.assertEqual(kwargs.get('text'), True)
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@patch('subprocess.Popen')
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def test_send_parses_jsonl_output(self, mock_popen):
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"""
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Verify that it correctly parses multiple JSONL 'message' events
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and returns the combined text.
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"""
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jsonl_output = [
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json.dumps({"type": "message", "text": "The quick brown "}),
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json.dumps({"type": "message", "text": "fox jumps."}),
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json.dumps({"type": "result", "usage": {"prompt_tokens": 5, "candidates_tokens": 5}})
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]
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stdout_content = "\n".join(jsonl_output) + "\n"
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process_mock = MagicMock()
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process_mock.stdout = io.StringIO(stdout_content)
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# Mock poll sequence: running, running, finished
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process_mock.poll.side_effect = [None, None, 0]
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process_mock.wait.return_value = 0
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mock_popen.return_value = process_mock
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result = self.adapter.send("test message")
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self.assertEqual(result["text"], "The quick brown fox jumps.")
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self.assertEqual(result["tool_calls"], [])
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@patch('subprocess.Popen')
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def test_send_handles_tool_use_events(self, mock_popen):
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"""
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Verify that it correctly handles 'tool_use' events in the stream
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by continuing to read until the final 'result' event.
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"""
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jsonl_output = [
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json.dumps({"type": "message", "text": "Calling tool..."}),
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json.dumps({"type": "tool_use", "name": "read_file", "args": {"path": "test.txt"}}),
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json.dumps({"type": "message", "text": "\nFile read successfully."}),
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json.dumps({"type": "result", "usage": {}})
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]
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stdout_content = "\n".join(jsonl_output) + "\n"
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process_mock = MagicMock()
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process_mock.stdout = io.StringIO(stdout_content)
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process_mock.poll.side_effect = [None, None, None, 0]
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process_mock.wait.return_value = 0
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mock_popen.return_value = process_mock
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result = self.adapter.send("read test.txt")
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# Result should contain the combined text from all 'message' events
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self.assertEqual(result["text"], "Calling tool...\nFile read successfully.")
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self.assertEqual(len(result["tool_calls"]), 1)
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self.assertEqual(result["tool_calls"][0]["name"], "read_file")
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@patch('subprocess.Popen')
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def test_send_captures_usage_metadata(self, mock_popen):
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"""
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Verify that usage data is extracted from the 'result' event.
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"""
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usage_data = {"total_tokens": 42}
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jsonl_output = [
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json.dumps({"type": "message", "text": "Finalizing"}),
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json.dumps({"type": "result", "usage": usage_data})
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]
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stdout_content = "\n".join(jsonl_output) + "\n"
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process_mock = MagicMock()
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process_mock.stdout = io.StringIO(stdout_content)
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process_mock.poll.side_effect = [None, 0]
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process_mock.wait.return_value = 0
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mock_popen.return_value = process_mock
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self.adapter.send("usage test")
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# Verify the usage was captured in the adapter instance
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self.assertEqual(self.adapter.last_usage, usage_data)
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if __name__ == '__main__':
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unittest.main()
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