Paper Search MCP

/** * CrossrefSearcher Platform Tests * Tests for Crossref API integration */ import { describe, it, expect, beforeEach, jest } from '@jest/globals'; import { CrossrefSearcher } from '../../src/platforms/CrossrefSearcher.js'; describe('CrossrefSearcher', () => { let searcher: CrossrefSearcher; beforeEach(() => { searcher = new CrossrefSearcher(); }); describe('constructor', () => { it('should create instance with default mailto', () => { const instance = new CrossrefSearcher(); expect(instance).toBeDefined(); }); it('should accept custom mailto', () => { const instance = new CrossrefSearcher('test@example.com'); expect(instance).toBeDefined(); }); it('should use environment variable for mailto', () => { process.env.CROSSREF_MAILTO = 'env@example.com'; const instance = new CrossrefSearcher(); expect(instance).toBeDefined(); delete process.env.CROSSREF_MAILTO; }); }); describe('getCapabilities', () => { it('should return correct capabilities', () => { const capabilities = searcher.getCapabilities(); expect(capabilities.search).toBe(true); expect(capabilities.download).toBe(false); expect(capabilities.citations).toBe(true); expect(capabilities.requiresApiKey).toBe(false); expect(capabilities.supportedOptions).toContain('maxResults'); expect(capabilities.supportedOptions).toContain('year'); expect(capabilities.supportedOptions).toContain('author'); }); }); describe('cleanAndValidateDoi (private method via getPaperByDoi)', () => { it('should handle valid DOI', async () => { // This tests the internal DOI cleaning via the public method // In real tests, you'd mock the API call const result = await searcher.getPaperByDoi('invalid-not-10'); expect(result).toBeNull(); // Invalid DOI should return null }); it('should clean DOI URL prefixes', async () => { // Test various DOI formats const formats = [ '10.1038/nature12373', 'https://doi.org/10.1038/nature12373', 'http://dx.doi.org/10.1038/nature12373', 'doi:10.1038/nature12373' ]; // All formats should be processed (actual API call would be mocked in real tests) for (const doi of formats) { // DOI validation happens before API call // Invalid DOIs return null immediately const result = await searcher.getPaperByDoi('not-a-valid-doi'); expect(result).toBeNull(); } }); }); describe('search', () => { it('should handle empty results', async () => { // This would need API mocking for real tests // Placeholder for integration test expect(searcher.search).toBeDefined(); }); it('should respect maxResults option', async () => { expect(searcher.search).toBeDefined(); }); it('should handle year filter', async () => { expect(searcher.search).toBeDefined(); }); }); describe('getCitations', () => { it('should validate DOI before API call', async () => { const result = await searcher.getCitations('invalid-doi'); expect(result).toEqual([]); }); }); describe('downloadPdf', () => { it('should throw error as not supported', async () => { await expect(searcher.downloadPdf('any-id')).rejects.toThrow(); }); }); describe('readPaper', () => { it('should throw error as not supported', async () => { await expect(searcher.readPaper('any-id')).rejects.toThrow(); }); }); });