Code Snippet Server

import { mapPromptToGetPromptResult, mapPromptsToListPromptsResult, mapBlockToReadResourceResult, mapBlocksToListResourcesResult, } from "../mcp-mappers.js"; import { mockSystemPromptResult, mockArrayPromptResult, mockNestedPromptResult, } from "../../__tests__/mock-objects.js"; import type { SystempromptBlockResponse } from "../../types/index.js"; import type { GetPromptResult } from "@modelcontextprotocol/sdk/types.js"; describe("MCP Mappers", () => { describe("mapPromptToGetPromptResult", () => { it("should correctly map a single prompt to GetPromptResult format", () => { const result = mapPromptToGetPromptResult(mockSystemPromptResult); expect(result.name).toBe(mockSystemPromptResult.metadata.title); expect(result.description).toBe( mockSystemPromptResult.metadata.description ); expect(result.messages).toEqual([ { role: "assistant", content: { type: "text", text: mockSystemPromptResult.instruction.static, }, }, ]); expect(result.tools).toEqual([]); expect(result._meta).toEqual({ prompt: mockSystemPromptResult }); }); it("should handle prompts with array inputs", () => { const result = mapPromptToGetPromptResult(mockArrayPromptResult); expect(result.name).toBe(mockArrayPromptResult.metadata.title); expect(result.description).toBe( mockArrayPromptResult.metadata.description ); expect(result.messages).toEqual([ { role: "assistant", content: { type: "text", text: mockArrayPromptResult.instruction.static, }, }, ]); expect(result.tools).toEqual([]); expect(result._meta).toEqual({ prompt: mockArrayPromptResult }); }); it("should handle prompts with nested object inputs", () => { const result = mapPromptToGetPromptResult(mockNestedPromptResult); expect(result.name).toBe(mockNestedPromptResult.metadata.title); expect(result.description).toBe( mockNestedPromptResult.metadata.description ); expect(result.messages).toEqual([ { role: "assistant", content: { type: "text", text: mockNestedPromptResult.instruction.static, }, }, ]); expect(result.tools).toEqual([]); expect(result._meta).toEqual({ prompt: mockNestedPromptResult }); }); }); describe("mapPromptsToListPromptsResult", () => { it("should correctly map an array of prompts to ListPromptsResult format", () => { const prompts = [mockSystemPromptResult, mockArrayPromptResult]; const result = mapPromptsToListPromptsResult(prompts); expect(result.prompts).toHaveLength(2); expect(result.prompts[0]).toEqual({ name: mockSystemPromptResult.metadata.title, description: mockSystemPromptResult.metadata.description, arguments: [], }); expect(result._meta).toEqual({ prompts }); }); it("should handle empty prompt array", () => { const result = mapPromptsToListPromptsResult([]); expect(result.prompts).toHaveLength(0); expect(result._meta).toEqual({ prompts: [] }); }); }); describe("mapBlockToReadResourceResult", () => { const mockBlock: SystempromptBlockResponse = { id: "block-123", content: "Test block content", prefix: "{{message}}", metadata: { title: "Test Block", description: "Test block description", created: new Date().toISOString(), updated: new Date().toISOString(), version: 1, status: "published", author: "test-user", log_message: "Initial creation", }, }; it("should correctly map a single block to ReadResourceResult format", () => { const result = mapBlockToReadResourceResult(mockBlock); expect(result.contents).toHaveLength(1); expect(result.contents[0]).toEqual({ uri: `resource:///block/${mockBlock.id}`, mimeType: "text/plain", text: mockBlock.content, }); expect(result._meta).toEqual({}); }); }); describe("mapBlocksToListResourcesResult", () => { const mockBlocks: SystempromptBlockResponse[] = [ { id: "block-123", content: "Test block content 1", prefix: "{{message}}", metadata: { title: "Test Block 1", description: "Test block description 1", created: new Date().toISOString(), updated: new Date().toISOString(), version: 1, status: "published", author: "test-user", log_message: "Initial creation", }, }, { id: "block-456", content: "Test block content 2", prefix: "{{message}}", metadata: { title: "Test Block 2", description: null, created: new Date().toISOString(), updated: new Date().toISOString(), version: 1, status: "published", author: "test-user", log_message: "Initial creation", }, }, ]; it("should correctly map an array of blocks to ListResourcesResult format", () => { const result = mapBlocksToListResourcesResult(mockBlocks); expect(result.resources).toHaveLength(2); expect(result.resources[0]).toEqual({ uri: `resource:///block/${mockBlocks[0].id}`, name: mockBlocks[0].metadata.title, description: mockBlocks[0].metadata.description, mimeType: "text/plain", }); expect(result.resources[1]).toEqual({ uri: `resource:///block/${mockBlocks[1].id}`, name: mockBlocks[1].metadata.title, description: undefined, mimeType: "text/plain", }); expect(result._meta).toEqual({}); }); it("should handle empty block array", () => { const result = mapBlocksToListResourcesResult([]); expect(result.resources).toHaveLength(0); expect(result._meta).toEqual({}); }); }); });