MCP ECharts

import { describe, expect, it } from "vitest"; import { tools } from "../../src/tools"; /** * Tool index validation test suite * Validates the basic structure, quantity, and properties of all chart tools to ensure compliance * Ensures consistency and completeness of tool exports */ describe("tools index", () => { /** * Tool count validation * Validates that the total number of exported tools meets expectations (17 chart tools) */ it("should export all 17 chart tools", () => { // Validate that the tools array contains 17 chart tools expect(tools).toHaveLength(17); }); /** * Tool structure consistency validation * Validates that each tool has the required basic properties and correct types */ it("should have consistent tool structure", () => { for (const tool of tools) { // Validate that tools contain all required properties expect(tool).toHaveProperty("name"); expect(tool).toHaveProperty("description"); expect(tool).toHaveProperty("inputSchema"); expect(tool).toHaveProperty("run"); // Validate property type correctness expect(typeof tool.name).toBe("string"); expect(typeof tool.description).toBe("string"); expect(typeof tool.run).toBe("function"); // Validate that tool names follow naming conventions (starting with generate_) expect(tool.name).toMatch(/^generate_\w+$/); } }); /** * Tool name uniqueness validation * Ensures all tool names are unique to avoid duplicate definitions */ it("should have unique tool names", () => { const names = tools.map((tool) => tool.name); const uniqueNames = new Set(names); // Validate that the number of unique names matches the original count expect(uniqueNames.size).toBe(names.length); }); /** * Expected tool list completeness validation * Validates that all expected chart tools are correctly exported, ensuring no omissions */ it("should include all expected chart types", () => { // Define all expected chart tool names const expectedTools = [ "generate_echarts", // Generic ECharts tool "generate_line_chart", // Line chart "generate_bar_chart", // Bar chart "generate_pie_chart", // Pie chart "generate_radar_chart", // Radar chart "generate_scatter_chart", // Scatter chart "generate_sankey_chart", // Sankey chart "generate_funnel_chart", // Funnel chart "generate_gauge_chart", // Gauge chart "generate_treemap_chart", // Treemap chart "generate_sunburst_chart", // Sunburst chart "generate_heatmap_chart", // Heatmap chart "generate_candlestick_chart", // Candlestick chart "generate_boxplot_chart", // Boxplot chart "generate_graph_chart", // Graph chart "generate_parallel_chart", // Parallel coordinates chart "generate_tree_chart", // Tree chart ]; // Get actual tool names and sort them const actualNames = tools.map((tool) => tool.name).sort(); // Validate that actual tool names match expected ones exactly expect(actualNames).toEqual(expectedTools.sort()); }); });