Add M7.3 CmdForge as MCP server with FastMCP, expose/deny policy, and schema mapping

tests/test_mcp.py

@@ -5,6 +5,7 @@ import time
 from pathlib import Path
 
 import pytest
+from unittest.mock import patch, MagicMock
 from cmdforge.mcp_client import (
     DEFAULT_INHERITED_ENV,
     McpServerConfig,
@@ -397,3 +398,99 @@ class TestMcpCli:
         monkeypatch.setattr(sys, "argv", ["cmdforge", "mcp"])
         assert main() == 0
         assert "No MCP servers configured" in capsys.readouterr().out
+
+
+class TestMcpServeConfig:
+    def test_empty_expose_exposes_nothing(self):
+        from cmdforge.mcp_client import McpServeConfig
+        config = McpServeConfig(expose=[], deny=[])
+        assert not config.is_exposed("summarize")
+
+    def test_wildcard_exposes_all_public(self):
+        from cmdforge.mcp_client import McpServeConfig
+        config = McpServeConfig(expose=["*"], deny=[])
+        assert config.is_exposed("summarize")
+        assert config.is_exposed("any-tool")
+
+    def test_deny_overrides_expose(self):
+        from cmdforge.mcp_client import McpServeConfig
+        config = McpServeConfig(expose=["*"], deny=["dangerous"])
+        assert config.is_exposed("summarize")
+        assert not config.is_exposed("dangerous")
+
+    def test_prefix_deny(self):
+        from cmdforge.mcp_client import McpServeConfig
+        config = McpServeConfig(expose=["*"], deny=["internal-*"])
+        assert not config.is_exposed("internal-cleanup")
+        assert not config.is_exposed("internal-")
+        assert config.is_exposed("public-tool")
+
+    def test_explicit_expose(self):
+        from cmdforge.mcp_client import McpServeConfig
+        config = McpServeConfig(expose=["summarize", "extract"])
+        assert config.is_exposed("summarize")
+        assert config.is_exposed("extract")
+        assert not config.is_exposed("other")
+
+
+class TestToolNameMapping:
+    def test_simple_name_passes_through(self):
+        from cmdforge.mcp_server import _cmdforge_tool_name
+        assert _cmdforge_tool_name("summarize") == "summarize"
+
+    def test_qualified_name_uses_double_underscore(self):
+        from cmdforge.mcp_server import _cmdforge_tool_name
+        assert _cmdforge_tool_name("owner/tool") == "owner__tool"
+
+
+class TestArgumentToJsonSchema:
+    def test_string_arg(self):
+        from cmdforge.mcp_server import _argument_to_json_schema
+        from cmdforge.tool import ToolArgument
+        arg = ToolArgument(flag="--name", variable="name", description="The name")
+        schema = _argument_to_json_schema(arg)
+        assert schema["type"] == "string"
+        assert schema["description"] == "The name"
+
+    def test_integer_arg_with_default(self):
+        from cmdforge.tool import ToolArgument
+        from cmdforge.mcp_server import _argument_to_json_schema
+        arg = ToolArgument(flag="--limit", variable="limit", default="10")
+        setattr(arg, "type", "integer")
+        schema = _argument_to_json_schema(arg)
+        assert schema["type"] == "integer"
+        assert schema["default"] == "10"
+
+    def test_arg_with_enum(self):
+        from cmdforge.tool import ToolArgument
+        from cmdforge.mcp_server import _argument_to_json_schema
+        arg = ToolArgument(flag="--mode", variable="mode")
+        setattr(arg, "enum", ["fast", "accurate"])
+        schema = _argument_to_json_schema(arg)
+        assert schema["enum"] == ["fast", "accurate"]
+
+
+class TestBuildToolSchema:
+    def test_builds_input_schema(self, tmp_path):
+        from cmdforge.tool import Tool, ToolArgument, save_tool
+        from cmdforge.mcp_server import _build_tool_schema
+
+        with patch('cmdforge.tool.TOOLS_DIR', tmp_path / ".cmdforge"):
+            tool = Tool(
+                name="greet",
+                description="Greet someone",
+                arguments=[
+                    ToolArgument(flag="--name", variable="name",
+                                 description="Who to greet", default="World"),
+                    ToolArgument(flag="--count", variable="count", default="1"),
+                ],
+                output="Hello {name} x{count}\n",
+            )
+
+            schema = _build_tool_schema(tool)
+
+        assert schema["name"] == "greet"
+        assert "Greet" in schema["description"]
+        assert schema["inputSchema"]["type"] == "object"
+        assert "name" in schema["inputSchema"]["properties"]
+        assert "count" in schema["inputSchema"]["properties"]