How to use addTwo method in Cypress

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add.js

Source: add.js Github

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1// var add = function(n) {
2//   const f = x => add(n + x)
3//   f.valueOf = () => n
4//   return f;
5// }
6// console.log(add(1)(2)(3))
7// console.log(add(1)(2)(3).valueOf())
8// console.log(add(1)(2)(3) == '6')
9// console.log(add(1)(2)(3) === '6')
10
11// // console.log(`add(1)(2)(3)(4)`, add(1)(2)(3)(4)) // 10
12// // console.log(`add(1)(2)(3)(4)(5)`, add(1)(2)(3)(4)(5)) // 15
13
14// // var addTwo = add(2);
15// // console.log(`addTwo`, addTwo) // 2
16// // console.log(`addTwo + 5`, addTwo + 5) // 7
17// // console.log(`addTwo(3)`, addTwo(3)) // 5
18// // console.log(`addTwo(3)(5)`, addTwo(3)(5)) // 10
19// const check = (str) => {
20//   const one = []
21//   const dict = {
22//       '(': ')',
23//       '{': '}',
24//       '[': ']',
25//   }
26//   str.forEach(el=>{
27//     const len = one.length-1
28//     if(dict[el]){
29//         one.push(el)
30//     } else if(one[len] === el) {
31//         one.pop()
32//     } else {
33//         return false
34//     }
35// })
36//   return one.length === 0
37// }
38
39check('(())') // true
40check('()[]{}') // true
41check('([)]') // false
42check('(]') // false
43
44
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addTwo.js

Source: addTwo.js Github

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1/**
2 * Create a function named addTwo which takes an array of integers as an argument
3 * and returns an array where each value has been incremented by two.
4 * @param {*} array input array
5 *
6 * --->Example<---
7 * INPUT:
8 *      addTwo([1,2,3])
9 * OUTPUT:
10 *      [3,4,5]
11 *
12 * INPUT:
13 *      addTwo([0,0])
14 * OUTPUT:
15 *      [2,2]
16 */
17const addTwo = (array) => array.map((element) => element + 2);
18
19const array0 = [];
20const array1 = [1];
21const array2 = [1, 2, 3];
22const array3 = [0, 0];
23const array4 = [-3, -1];
24
25console.log(addTwo(array0)); // []
26console.log(addTwo(array1)); // [3]
27console.log(addTwo(array2)); // [3,4,5]
28console.log(addTwo(array3)); // [2,2]
29console.log(addTwo(array4)); // [-1,1]
30
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rpcSpec.js

Source: rpcSpec.js Github

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1/* global jasmine, spyOn, describe, it, expect, beforeEach, afterEach */
2'use strict'
3
4let C = require('../../src/constants/constants'),
5  Rpc = require('../../src/rpc/rpc'),
6  msg = require('../test-helper/test-helper').msg,
7  SocketWrapper = require('../../src/message/socket-wrapper'),
8  SocketMock = require('../mocks/socket-mock'),
9  RpcProxy = require('../../src/rpc/rpc-proxy'),
10  alternativeProvider = new SocketWrapper(new SocketMock(), {}),
11  mockRpcHandler = { getAlternativeProvider() { return alternativeProvider }, _$onDestroy () {} },
12	mockMessageConnector = new (require('../mocks/message-connector-mock'))(),
13	options = {
14  rpcAckTimeout: 5,
15  rpcTimeout: 5
16},
17	requestMessage = {
18  topic: C.TOPIC.RPC,
19  action: C.ACTIONS.REQUEST,
20  raw: msg('P|REQ|addTwo|1234|O{"numA":5, "numB":7}+'),
21  data: ['addTwo', '1234', 'O{"numA":5, "numB":7}']
22},
23	ackMessage = {
24  topic: C.TOPIC.RPC,
25  action: C.ACTIONS.ACK,
26  raw: msg('P|A|REQ|addTwo|1234+'),
27  data: ['REQ', 'addTwo', '1234']
28},
29	errorMessage = {
30  topic: C.TOPIC.RPC,
31  action: C.ACTIONS.ERROR,
32  raw: msg('P|E|ErrorOccured|addTwo|1234+'),
33  data: ['ErrorOccured', 'addTwo', '1234']
34},
35	responseMessage = {
36  topic: C.TOPIC.RPC,
37  action: C.ACTIONS.RESPONSE,
38  raw: msg('P|RES|addTwo|1234|N12+'),
39  data: ['addTwo', '1234', 'N12']
40},
41	makeRpc = function (msg) {
42  let provider = new SocketWrapper(new SocketMock(), {}),
43    requestor = new SocketWrapper(new SocketMock(), {}),
44    localRpc = new Rpc(mockRpcHandler, requestor, provider, options, msg)
45
46  return {
47    provider,
48    requestor,
49    localRpc
50  }
51}
52
53describe('executes local rpc calls', () => {
54  it('sends the original rpc request to the provider', () => {
55    const provider = makeRpc(requestMessage).provider
56    expect(provider.socket.lastSendMessage).toBe(msg('P|REQ|addTwo|1234|O{"numA":5, "numB":7}+'))
57  })
58
59  it('times out if no ack is received in time', (done) => {
60    const requestor = makeRpc(requestMessage).requestor
61
62    setTimeout(() => {
63      expect(requestor.socket.lastSendMessage).toBe(msg('P|E|ACK_TIMEOUT|addTwo|1234+'))
64      done()
65    }, 7)
66  })
67
68  it('forwards ack message', () => {
69    const rpc = makeRpc(requestMessage)
70    rpc.localRpc.handle(ackMessage)
71    expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|A|REQ|addTwo|1234+'))
72  })
73
74  it('times out if response is not received in time', (done) => {
75    const rpc = makeRpc(requestMessage)
76    rpc.localRpc.handle(ackMessage)
77    expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|A|REQ|addTwo|1234+'))
78    setTimeout(() => {
79      expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|E|RESPONSE_TIMEOUT|addTwo|1234+'))
80      done()
81    }, 8)
82  })
83
84  it('forwards response message', () => {
85    const rpc = makeRpc(requestMessage)
86    rpc.localRpc.handle(ackMessage)
87    expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|A|REQ|addTwo|1234+'))
88    rpc.localRpc.handle(responseMessage)
89    expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|RES|addTwo|1234|N12+'))
90  })
91
92  it('forwards error message', () => {
93    const rpc = makeRpc(requestMessage)
94    rpc.localRpc.handle(errorMessage)
95    expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|E|ErrorOccured|addTwo|1234+'))
96  })
97
98  it('sends error for multiple ack messages', () => {
99    const rpc = makeRpc(requestMessage)
100
101    rpc.localRpc.handle(ackMessage)
102    expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|A|REQ|addTwo|1234+'))
103    expect(rpc.provider.socket.lastSendMessage).toBe(msg('P|REQ|addTwo|1234|O{"numA":5, "numB":7}+'))
104
105    rpc.localRpc.handle(ackMessage)
106    expect(rpc.requestor.socket.lastSendMessage).toBe(msg('P|A|REQ|addTwo|1234+'))
107    expect(rpc.provider.socket.lastSendMessage).toBe(msg('P|E|MULTIPLE_ACK|addTwo|1234+'))
108  })
109})
110
111describe('reroutes remote rpc calls', () => {
112  let rpc
113  let provider
114  let requestor
115
116  it('creates a remote to local rpc', () => {
117    const rpcProxyOptions = {
118      messageConnector: mockMessageConnector,
119      serverName: 'serverNameA'
120    }
121
122    provider = new SocketWrapper(new SocketMock(), {})
123    requestor = new RpcProxy(rpcProxyOptions, 'private/xyz', 'addTwo', '1234')
124    requestor.send = jasmine.createSpy('send')
125    requestor.sendError = jasmine.createSpy('sendError')
126    rpc = new Rpc(mockRpcHandler, requestor, provider, options, requestMessage)
127    expect(requestor.send).not.toHaveBeenCalled()
128  })
129
130  it('receives a unrelated message from the provider', () => {
131    rpc.handle({
132      topic: C.TOPIC.RPC,
133      action: C.ACTIONS.REQUEST,
134      raw: msg('P|REQ|addTwo|1234|O{"numA":5, "numB":7}+'),
135      data: ['not', 'related', 'O{"numA":5, "numB":7}']
136    })
137    expect(requestor.send).not.toHaveBeenCalled()
138  })
139
140  it('receives a rejection message from the original provider', () => {
141    spyOn(mockRpcHandler, 'getAlternativeProvider').and.callThrough()
142    expect(alternativeProvider.socket.lastSendMessage).toBe(null)
143
144    rpc.handle({
145      topic: C.TOPIC.RPC,
146      action: C.ACTIONS.REJECTION,
147      raw: msg('P|REJ|addTwo|1234|O{"numA":5, "numB":7}+'),
148      data: ['addTwo', '1234']
149    })
150
151    expect(alternativeProvider.socket.lastSendMessage).toBe(msg('P|REQ|addTwo|1234|O{"numA":5, "numB":7}+'))
152    expect(mockRpcHandler.getAlternativeProvider).toHaveBeenCalled()
153    expect(requestor.send).not.toHaveBeenCalled()
154    expect(requestor.sendError).not.toHaveBeenCalled()
155  })
156
157  it('rejects the message again and runs out of alternative providers', () => {
158    mockRpcHandler.getAlternativeProvider = function () { return null }
159
160    rpc.handle({
161      topic: C.TOPIC.RPC,
162      action: C.ACTIONS.REJECTION,
163      raw: msg('P|REJ|addTwo|1234|O{"numA":5, "numB":7}+'),
164      data: ['addTwo', '1234']
165    })
166
167    expect(requestor.send).not.toHaveBeenCalled()
168    expect(requestor.sendError).toHaveBeenCalledWith('P', 'NO_RPC_PROVIDER', ['addTwo', '1234'])
169  })
170})
171
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