TestClient.ts•1.09 kB
import { Tool } from '@modelcontextprotocol/sdk/types.js'
import { EXAMPLE_TOOLS, EXAMPLE_HANDLERS } from '../tools/example.js'
export type ToolResult = {
toolResult: {
content: Array<{ type: string; text: string }>
}
}
export class TestClient {
private tools: Tool[]
private handlers: Record<string, Function>
constructor() {
this.tools = EXAMPLE_TOOLS
this.handlers = EXAMPLE_HANDLERS
}
async listTools(): Promise<Tool[]> {
return this.tools
}
async callTool(toolName: string, args: Record<string, unknown>): Promise<ToolResult> {
const handler = this.handlers[toolName]
if (!handler) {
throw new Error(`Tool ${toolName} not found`)
}
return handler({ params: { arguments: args } })
}
async assertToolCall(
toolName: string,
args: Record<string, unknown>,
assertion: (result: ToolResult) => void | Promise<void>
): Promise<void> {
const result = await this.callTool(toolName, args)
await assertion(result)
}
}