freeCodeCamp/tools/challenge-md-parser/challengeSeed-to-data.test.js

60 lines
1.7 KiB
JavaScript

/* global describe it expect beforeEach */
const mockAST = require('./fixtures/challenge-html-ast.json');
const challengeSeedToData = require('./challengeSeed-to-data');
describe('challengeSeed-to-data plugin', () => {
const plugin = challengeSeedToData();
let file = { data: {} };
beforeEach(() => {
file = { data: {} };
});
it('returns a function', () => {
expect(typeof plugin).toEqual('function');
});
it('adds a `files` property to `file.data`', () => {
plugin(mockAST, file);
expect('files' in file.data).toBe(true);
});
it('ensures that the `files` property is an array', () => {
plugin(mockAST, file);
expect(Array.isArray(file.data.files)).toBe(true);
});
it('adds test objects to the files array following a schema', () => {
expect.assertions(7);
plugin(mockAST, file);
const {
data: { files }
} = file;
const testObject = files[0];
expect(Object.keys(testObject).length).toEqual(6);
expect(testObject).toHaveProperty('key');
expect(testObject).toHaveProperty('ext');
expect(testObject).toHaveProperty('name');
expect(testObject).toHaveProperty('contents');
expect(testObject).toHaveProperty('head');
expect(testObject).toHaveProperty('tail');
});
it('only adds strings to the `files` object type', () => {
expect.assertions(6);
plugin(mockAST, file);
const {
data: { files }
} = file;
const testObject = files[0];
Object.keys(testObject)
.map(key => testObject[key])
.forEach(value => expect(typeof value).toEqual('string'));
});
it('should have an output to match the snapshot', () => {
plugin(mockAST, file);
expect(file.data).toMatchSnapshot();
});
});