mirror of
https://github.com/bytedance/deer-flow.git
synced 2026-05-21 15:36:48 +00:00
Yuyi Ao
9afeaf66bc
* Fix env resolution in MCP config lists * fix:unset env variable and consistent function --------- Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
114 lines
3.7 KiB
Python
114 lines
3.7 KiB
Python
"""Core behavior tests for MCP client server config building."""
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import pytest
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from deerflow.config.extensions_config import ExtensionsConfig, McpServerConfig
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from deerflow.mcp.client import build_server_params, build_servers_config
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def test_build_server_params_stdio_success():
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config = McpServerConfig(
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type="stdio",
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command="npx",
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args=["-y", "my-mcp-server"],
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env={"API_KEY": "secret"},
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)
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params = build_server_params("my-server", config)
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assert params == {
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"transport": "stdio",
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"command": "npx",
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"args": ["-y", "my-mcp-server"],
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"env": {"API_KEY": "secret"},
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}
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def test_extensions_config_resolves_env_variables_inside_nested_collections(monkeypatch):
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monkeypatch.setenv("MCP_TOKEN", "secret")
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monkeypatch.delenv("MISSING_TOKEN", raising=False)
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raw_config = {
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"args": ["--token", "$MCP_TOKEN", {"nested": ["$MCP_TOKEN", "$MISSING_TOKEN"]}],
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"tuple_args": ("$MCP_TOKEN", "$MISSING_TOKEN"),
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"env": {"API_KEY": "$MCP_TOKEN"},
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"enabled": True,
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"timeout": 30,
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}
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resolved = ExtensionsConfig.resolve_env_variables(raw_config)
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assert resolved["args"] == ["--token", "secret", {"nested": ["secret", ""]}]
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assert resolved["tuple_args"] == ("secret", "")
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assert resolved["env"] == {"API_KEY": "secret"}
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assert resolved["enabled"] is True
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assert resolved["timeout"] == 30
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def test_build_server_params_stdio_requires_command():
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config = McpServerConfig(type="stdio", command=None)
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with pytest.raises(ValueError, match="requires 'command' field"):
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build_server_params("broken-stdio", config)
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@pytest.mark.parametrize("transport", ["sse", "http"])
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def test_build_server_params_http_like_success(transport: str):
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config = McpServerConfig(
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type=transport,
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url="https://example.com/mcp",
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headers={"Authorization": "Bearer token"},
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)
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params = build_server_params("remote-server", config)
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assert params == {
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"transport": transport,
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"url": "https://example.com/mcp",
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"headers": {"Authorization": "Bearer token"},
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}
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@pytest.mark.parametrize("transport", ["sse", "http"])
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def test_build_server_params_http_like_requires_url(transport: str):
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config = McpServerConfig(type=transport, url=None)
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with pytest.raises(ValueError, match="requires 'url' field"):
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build_server_params("broken-remote", config)
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def test_build_server_params_rejects_unsupported_transport():
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config = McpServerConfig(type="websocket")
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with pytest.raises(ValueError, match="unsupported transport type"):
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build_server_params("bad-transport", config)
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def test_build_servers_config_returns_empty_when_no_enabled_servers():
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extensions = ExtensionsConfig(
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mcp_servers={
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"disabled-a": McpServerConfig(enabled=False, type="stdio", command="echo"),
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"disabled-b": McpServerConfig(enabled=False, type="http", url="https://example.com"),
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},
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skills={},
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)
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assert build_servers_config(extensions) == {}
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def test_build_servers_config_skips_invalid_server_and_keeps_valid_ones():
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extensions = ExtensionsConfig(
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mcp_servers={
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"valid-stdio": McpServerConfig(enabled=True, type="stdio", command="npx", args=["server"]),
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"invalid-stdio": McpServerConfig(enabled=True, type="stdio", command=None),
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"disabled-http": McpServerConfig(enabled=False, type="http", url="https://disabled.example.com"),
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},
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skills={},
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)
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result = build_servers_config(extensions)
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assert "valid-stdio" in result
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assert result["valid-stdio"]["transport"] == "stdio"
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assert "invalid-stdio" not in result
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assert "disabled-http" not in result
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