58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
const listHelper = require('../utils/list_helper')
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const testBlogs = [
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{
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'title': 'My blog',
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'author': 'Andrew',
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'url': 'www.andrew.eu',
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'likes': 1000,
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'id': '64771b55a9c07824450982c5'
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},
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{
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'title': 'My blog',
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'author': 'Andrew',
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'url': 'www.andrew.eu',
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'likes': 3000,
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'id': '64771b89a9c07824450982c8'
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},
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{
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'title': 'Another blog 2',
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'author': 'Hans',
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'url': 'www.andrew.eu',
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'likes': 5000,
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'id': '64771caaa9c07824450982cb'
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}
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]
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test('dummy returns one', () => {
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const blogs = []
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const result = listHelper.dummy(blogs)
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expect(result).toBe(1)
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})
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describe('total likes', () => {
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test('empty - zero', () => {
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expect(listHelper.sumLikes([])).toBe(0)
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})
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test('one correct', () => {
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expect(listHelper.sumLikes([testBlogs[0]])).toBe(1000)
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})
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test('sum correct', () => {
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expect(listHelper.sumLikes(testBlogs)).toBe(9000)
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})
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})
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test('favorite blog', () => {
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expect(listHelper.favoriteBlog(testBlogs)).toEqual(testBlogs[2])
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})
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test('most blogs', () => {
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expect(listHelper.mostBlogs(testBlogs)).toEqual({ author: 'Andrew', blogs: 2 })
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})
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test('most likes', () => {
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expect(listHelper.mostLikes(testBlogs)).toEqual({ author: 'Hans', likes: 5000 })
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}) |