LeetCode MCP Server

import { Credential, LeetCode, LeetCodeCN } from "leetcode-query"; import { describe, expect, it } from "vitest"; import { LeetCodeCNService } from "../../src/leetcode/leetcode-cn-service.js"; import { LeetCodeGlobalService } from "../../src/leetcode/leetcode-global-service.js"; import logger from "../../src/utils/logger.js"; describe("LeetCode Solution Services", () => { describe("LeetCodeGlobalService", () => { const credential = new Credential(); const leetCodeApi = new LeetCode(credential); const service = new LeetCodeGlobalService(leetCodeApi, credential); describe("fetchQuestionSolutionArticles", () => { it("should fetch solutions with default options", async () => { const questionSlug = "two-sum"; const result = await service.fetchQuestionSolutionArticles( questionSlug, {} ); expect(result).toBeDefined(); expect(result.totalNum).toBeTypeOf("number"); expect(Array.isArray(result.articles)).toBe(true); }, 30000); it("should fetch solutions with custom options", async () => { const result = await service.fetchQuestionSolutionArticles( "two-sum", { limit: 5, skip: 0, orderBy: "MOST_VOTES" } ); expect(result).toBeDefined(); expect(result.totalNum).toBeTypeOf("number"); expect(Array.isArray(result.articles)).toBe(true); expect(result.articles.length).toBeLessThanOrEqual(5); }, 30000); it("should handle errors properly for invalid slugs", async () => { const invalidSlug = `invalid-slug-${Date.now()}`; const data = await service.fetchQuestionSolutionArticles(invalidSlug); expect(data).toBeDefined(); expect(data.totalNum).toBe(0); expect(data.articles).toBeDefined(); expect(data.articles.length).toBe(0); }, 30000); }); describe("fetchSolutionArticleDetail", () => { it("should fetch solution detail correctly if topicId exists", async () => { const solutionsResult = await service.fetchQuestionSolutionArticles("two-sum", { limit: 1 }); if ( !solutionsResult.edges || solutionsResult.edges.length === 0 ) { logger.info( "No solutions found for two-sum, skipping test" ); return; } const topicId = solutionsResult.edges[0].node.topic.id; logger.info(`Using topicId: ${topicId} for detail fetch`); const result = await service.fetchSolutionArticleDetail(topicId); expect(result).toBeDefined(); expect(result.title).toBeDefined(); expect(result.content).toBeDefined(); }, 30000); it("should handle errors properly for invalid topicIds", async () => { const invalidTopicId = `invalid-topic-${Date.now()}`; await expect( service.fetchSolutionArticleDetail(invalidTopicId) ).resolves.toBeNull(); }, 30000); }); }); describe("LeetCodeCNService", () => { const credential = new Credential(); const leetCodeApi = new LeetCodeCN(credential); const service = new LeetCodeCNService(leetCodeApi, credential); describe("fetchQuestionSolutionArticles", () => { it("should fetch solutions with default options", async () => { const questionSlug = "two-sum"; const result = await service.fetchQuestionSolutionArticles(questionSlug); expect(result).toBeDefined(); expect(result.totalNum).toBeTypeOf("number"); expect(Array.isArray(result.articles)).toBe(true); logger.info( `Found ${result.totalNum} solutions for ${questionSlug} on CN` ); }, 30000); it("should fetch solutions with custom options", async () => { const result = await service.fetchQuestionSolutionArticles( "two-sum", { limit: 5, skip: 0, orderBy: "DEFAULT" } ); expect(result).toBeDefined(); expect(result.totalNum).toBeTypeOf("number"); expect(Array.isArray(result.articles)).toBe(true); expect(result.articles.length).toBeLessThanOrEqual(5); }, 30000); it("should handle errors properly for invalid slugs", async () => { const invalidSlug = `invalid-slug-${Date.now()}`; const data = await service.fetchQuestionSolutionArticles(invalidSlug); expect(data).toBeDefined(); expect(data.totalNum).toBe(0); expect(data.articles).toBeDefined(); expect(data.articles.length).toBe(0); }, 30000); }); describe("fetchSolutionArticleDetail", () => { it("should fetch solution detail correctly if slug exists", async () => { const solutionsResult = await service.fetchQuestionSolutionArticles("two-sum", { limit: 1 }); if ( !solutionsResult.edges || solutionsResult.edges.length === 0 ) { logger.info( "No solutions found for two-sum on CN, skipping test" ); return; } const slug = solutionsResult.edges[0].node.slug; logger.info(`Using slug: ${slug} for detail fetch on CN`); const result = await service.fetchSolutionArticleDetail(slug); expect(result).toBeDefined(); expect(result.title).toBeDefined(); expect(result.content).toBeDefined(); }, 30000); it("should handle errors properly for invalid slugs", async () => { const invalidSlug = `invalid-slug-${Date.now()}`; await expect( service.fetchSolutionArticleDetail(invalidSlug) ).resolves.toBeNull(); }, 30000); }); }); });