Files
Gitea-Tools/tests/test_mcp_discoverability.py
T

261 lines
8.5 KiB
Python

"""Tests for MCP discoverability validation (Issue #155)."""
import os
import sys
import json
import tempfile
import unittest
from unittest.mock import patch, MagicMock
sys.path.insert(0, str(__import__("pathlib").Path(__file__).resolve().parent.parent))
from mcp_discoverability import (
validate_mcp_client_config,
RELOAD_INSTRUCTIONS,
EXPECTED_JENKINS_TOOLS,
EXPECTED_GLITCHTIP_TOOLS,
)
class TestMcpDiscoverability(unittest.TestCase):
def setUp(self):
self.tmp_dir = tempfile.TemporaryDirectory()
self.gitea_config_path = os.path.join(self.tmp_dir.name, "gitea-mcp.json")
self.client_config_path = os.path.join(self.tmp_dir.name, "claude_desktop_config.json")
def tearDown(self):
self.tmp_dir.cleanup()
def _write_json(self, path, data):
with open(path, "w", encoding="utf-8") as fh:
json.dump(data, fh)
def _v2_gitea_config(self, jenkins_enabled=True, glitchtip_enabled=False):
return {
"version": 2,
"contexts": {
"prod": {
"enabled": True,
"services": {
"jenkins": {
"enabled": jenkins_enabled,
"kind": "jenkins",
"capabilities": ["read"]
},
"glitchtip": {
"enabled": glitchtip_enabled,
"kind": "glitchtip",
"capabilities": ["read"]
}
}
}
}
}
def test_static_validation_success(self):
g_cfg = self._v2_gitea_config(jenkins_enabled=True, glitchtip_enabled=True)
self._write_json(self.gitea_config_path, g_cfg)
c_cfg = {
"mcpServers": {
"jenkins-mcp": {
"command": "python3",
"args": ["-m", "jenkins_mcp"],
"env": {
"JENKINS_MCP_PROFILE": "jenkins-readonly",
"JENKINS_MCP_CONFIG": "/path/to/config.json"
}
},
"glitchtip-mcp": {
"command": "python3",
"args": ["-m", "glitchtip_mcp"],
"env": {
"GLITCHTIP_MCP_PROFILE": "glitchtip-readonly",
"GLITCHTIP_MCP_CONFIG": "/path/to/config.json"
}
}
}
}
self._write_json(self.client_config_path, c_cfg)
res = validate_mcp_client_config(
client_config_path=self.client_config_path,
gitea_config_path=self.gitea_config_path,
live=False
)
self.assertTrue(res)
def test_stale_server_name_rejected(self):
g_cfg = self._v2_gitea_config(jenkins_enabled=True)
self._write_json(self.gitea_config_path, g_cfg)
# Uses stale key in client config
c_cfg = {
"mcpServers": {
"jenkins-readonly": {
"command": "python3",
"args": ["-m", "jenkins_mcp"],
"env": {
"JENKINS_MCP_PROFILE": "jenkins-readonly",
"JENKINS_MCP_CONFIG": "/path/to/config.json"
}
}
}
}
self._write_json(self.client_config_path, c_cfg)
res = validate_mcp_client_config(
client_config_path=self.client_config_path,
gitea_config_path=self.gitea_config_path,
live=False
)
self.assertFalse(res)
def test_incorrect_arguments_rejected(self):
g_cfg = self._v2_gitea_config(jenkins_enabled=True)
self._write_json(self.gitea_config_path, g_cfg)
# Missing -m or wrong module
c_cfg = {
"mcpServers": {
"jenkins-mcp": {
"command": "python3",
"args": ["wrong_runner.py"],
"env": {
"JENKINS_MCP_PROFILE": "jenkins-readonly",
"JENKINS_MCP_CONFIG": "/path/to/config.json"
}
}
}
}
self._write_json(self.client_config_path, c_cfg)
res = validate_mcp_client_config(
client_config_path=self.client_config_path,
gitea_config_path=self.gitea_config_path,
live=False
)
self.assertFalse(res)
def test_missing_required_env_rejected(self):
g_cfg = self._v2_gitea_config(jenkins_enabled=True)
self._write_json(self.gitea_config_path, g_cfg)
# Missing JENKINS_MCP_PROFILE env variable
c_cfg = {
"mcpServers": {
"jenkins-mcp": {
"command": "python3",
"args": ["-m", "jenkins_mcp"],
"env": {
"JENKINS_MCP_CONFIG": "/path/to/config.json"
}
}
}
}
self._write_json(self.client_config_path, c_cfg)
res = validate_mcp_client_config(
client_config_path=self.client_config_path,
gitea_config_path=self.gitea_config_path,
live=False
)
self.assertFalse(res)
@patch("subprocess.Popen")
def test_live_check_verification_success(self, mock_popen):
g_cfg = self._v2_gitea_config(jenkins_enabled=True)
self._write_json(self.gitea_config_path, g_cfg)
c_cfg = {
"mcpServers": {
"jenkins-mcp": {
"command": "python3",
"args": ["-m", "jenkins_mcp"],
"env": {
"JENKINS_MCP_PROFILE": "jenkins-readonly",
"JENKINS_MCP_CONFIG": "/path/to/config.json"
}
}
}
}
self._write_json(self.client_config_path, c_cfg)
# Mock stdout lines for JSON-RPC
mock_proc = MagicMock()
mock_popen.return_value = mock_proc
init_resp = json.dumps({"jsonrpc": "2.0", "id": 1, "result": {"protocolVersion": "2024-11-05"}})
tools_resp = json.dumps({
"jsonrpc": "2.0",
"id": 2,
"result": {
"tools": [{"name": tool} for tool in EXPECTED_JENKINS_TOOLS]
}
})
mock_proc.stdout.readline.side_effect = [
init_resp + "\n",
tools_resp + "\n",
""
]
res = validate_mcp_client_config(
client_config_path=self.client_config_path,
gitea_config_path=self.gitea_config_path,
live=True
)
self.assertTrue(res)
@patch("subprocess.Popen")
def test_live_check_empty_toolset_rejected(self, mock_popen):
g_cfg = self._v2_gitea_config(jenkins_enabled=True)
self._write_json(self.gitea_config_path, g_cfg)
c_cfg = {
"mcpServers": {
"jenkins-mcp": {
"command": "python3",
"args": ["-m", "jenkins_mcp"],
"env": {
"JENKINS_MCP_PROFILE": "jenkins-readonly",
"JENKINS_MCP_CONFIG": "/path/to/config.json"
}
}
}
}
self._write_json(self.client_config_path, c_cfg)
mock_proc = MagicMock()
mock_popen.return_value = mock_proc
init_resp = json.dumps({"jsonrpc": "2.0", "id": 1, "result": {}})
tools_resp = json.dumps({
"jsonrpc": "2.0",
"id": 2,
"result": {
"tools": [] # empty tool list
}
})
mock_proc.stdout.readline.side_effect = [
init_resp + "\n",
tools_resp + "\n",
""
]
# Should return False (coverage fails) when no tools are exposed
res = validate_mcp_client_config(
client_config_path=self.client_config_path,
gitea_config_path=self.gitea_config_path,
live=True
)
self.assertFalse(res)
def test_runbook_instructions_content(self):
self.assertIn("MCP CLIENT RELOAD/RECONNECT RUNBOOK", RELOAD_INSTRUCTIONS)
self.assertIn("Codex", RELOAD_INSTRUCTIONS)
self.assertIn("Gemini", RELOAD_INSTRUCTIONS)
self.assertIn("Claude Desktop", RELOAD_INSTRUCTIONS)
if __name__ == "__main__":
unittest.main()