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import * as utils from '../utils'
global.fetch = jest.fn()
describe('formatSize', () => {
it('should return 0 when 0 byte', () => {
expect(utils.formatSize(0)).toEqual('0')
})
it('should return formatted size', () => {
expect(utils.formatSize(27104011)).toEqual("25.8mb")
expect(utils.formatSize(1023)).toEqual("1023b")
})
})
describe('formatTimeDelta', () => {
it('should return formatted time', () => {
expect(utils.formatTimeDelta(3600100)).toEqual("1h")
})
})
describe('formatTimeSTamp', () => {
it('should return formatted time', () => {
expect(utils.formatTimeStamp(1483228800)).toEqual("2017-01-01 00:00:00.000")
})
})
describe('reverseString', () => {
it('should return reversed string', () => {
let str1 = "abc", str2="xyz"
expect(utils.reverseString(str1) > utils.reverseString(str2)).toBeTruthy()
})
})
describe('fetchApi', () => {
it('should handle fetch operation', () => {
utils.fetchApi('http://foo/bar', {method: "POST"})
expect(fetch.mock.calls[0][0]).toEqual(
"http://foo/bar?_xsrf=undefined"
)
fetch.mockClear()
utils.fetchApi('http://foo?bar=1', {method: "POST"})
expect(fetch.mock.calls[0][0]).toEqual(
"http://foo?bar=1&_xsrf=undefined"
)
})
it('should be possible to do put request', () => {
fetch.mockClear()
utils.fetchApi.put("http://foo", [1, 2, 3], {})
expect(fetch.mock.calls[0]).toEqual(
[
"http://foo?_xsrf=undefined",
{
body: "[1,2,3]",
credentials: "same-origin",
headers: { "Content-Type": "application/json" },
method: "PUT"
},
]
)
})
})
describe('getDiff', () => {
it('should return json object including only the changed keys value pairs', () => {
let obj1 = {a: 1, b:{ foo: 1} , c: [3]},
obj2 = {a: 1, b:{ foo: 2} , c: [4]}
expect(utils.getDiff(obj1, obj2)).toEqual({ b: {foo: 2}, c:[4]})
})
})
describe('pure', () => {
let tFunc = function({ className }) {
return (<p className={ className }>foo</p>)
},
puredFunc = utils.pure(tFunc),
f = new puredFunc('bar')
it('should display function name', () => {
expect(utils.pure(tFunc).displayName).toEqual('tFunc')
})
it('should suggest when should component update', () => {
expect(f.shouldComponentUpdate('foo')).toBeTruthy()
expect(f.shouldComponentUpdate('bar')).toBeFalsy()
})
it('should render properties', () => {
expect(f.render()).toEqual(tFunc('bar'))
})
})
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