const { isObject } = require('lodash'); const editableSolutionAST = require('../__fixtures__/ast-erm-in-solution.json'); const multiSolnsAST = require('../__fixtures__/ast-multiple-solutions.json'); const mockAST = require('../__fixtures__/ast-simple.json'); const addSolution = require('./add-solution'); describe('add solution plugin', () => { const plugin = addSolution(); let file = { data: {} }; beforeEach(() => { file = { data: {} }; }); it('returns a function', () => { expect(typeof plugin).toEqual('function'); }); it('adds a `solutions` property to `file.data`', () => { plugin(mockAST, file); expect('solutions' in file.data).toBe(true); }); it('ensures that the `solutions` property is an array', () => { plugin(mockAST, file); expect(Array.isArray(file.data.solutions)).toBe(true); }); it('each entry in the `solutions` array is an object', () => { plugin(mockAST, file); expect(file.data.solutions.every(el => isObject(el))).toBe(true); }); it('adds solution objects to the challengeFiles array following a schema', () => { expect.assertions(13); plugin(mockAST, file); const { data: { solutions } } = file; const testObject = solutions[0].find(solution => solution.ext === 'js'); expect(Object.keys(testObject).length).toEqual(6); expect(testObject).toHaveProperty('ext'); expect(typeof testObject['ext']).toBe('string'); expect(testObject).toHaveProperty('name'); expect(typeof testObject['name']).toBe('string'); expect(testObject).toHaveProperty('contents'); expect(typeof testObject['contents']).toBe('string'); expect(testObject).toHaveProperty('head'); expect(typeof testObject['head']).toBe('string'); expect(testObject).toHaveProperty('tail'); expect(typeof testObject['tail']).toBe('string'); expect(testObject).toHaveProperty('id'); expect(typeof testObject['id']).toBe('string'); }); it('adds multiple solutions if they exist', () => { expect.assertions(5); plugin(multiSolnsAST, file); const { data: { solutions } } = file; expect(solutions.length).toBe(3); expect(solutions[0].find(solution => solution.ext === 'js').contents).toBe( "var x = 'y';" ); expect(solutions[1].find(solution => solution.ext === 'html').contents) .toBe(` solution number two `); expect(solutions[1].find(solution => solution.ext === 'css').contents) .toBe(`body { background: white; }`); expect(solutions[2].find(solution => solution.ext === 'js').contents).toBe( "var x = 'y3';" ); }); it('should reject solutions with editable region markers', () => { expect.assertions(1); expect(() => plugin(editableSolutionAST, file)).toThrow( '--fcc-editable-region-- should only appear in the --seed-contents--\n' + 'section, not in --solutions--' ); }); it('should have an output to match the snapshot', () => { plugin(mockAST, file); expect(file.data).toMatchSnapshot(); }); });