Fermat MCP

import matplotlib matplotlib.use("Agg") from fastmcp.utilities.types import Image as FastImage from fmcp.mpl_mcp.core.bar_chart import plot_barchart def test_bar_chart_vertical_and_horizontal(): values = [1.0, 3.0, 2.0] labels = ["a", "b", "c"] img_v = plot_barchart( values, labels=labels, orientation="vertical", title="v", dpi=100 ) assert isinstance(img_v, FastImage) assert img_v.data is not None assert img_v.data[:8] == b"\x89PNG\r\n\x1a\n" img_h = plot_barchart( values, labels=labels, orientation="horizontal", title="h", dpi=100 ) assert isinstance(img_h, FastImage) assert img_h.data is not None assert img_h.data[:8] == b"\x89PNG\r\n\x1a\n"