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index.spec.js
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index.spec.js
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const mt4zmqBridge = require('./')
const chai = require('chai')
const expect = chai.expect
chai.should()
describe('MetaTrader4', () => {
let zmqBridge
const REQ_URL = 'tcp://127.0.0.1:5555'
const PULL_URL = 'tcp://127.0.0.1:5556'
before((done) => {
function checkDone() {
if (zmqBridge.reqConnected && zmqBridge.pullConnected) {
done()
}
}
zmqBridge = mt4zmqBridge.connect(REQ_URL, PULL_URL)
zmqBridge.reqSocket.on('connect', checkDone)
zmqBridge.pullSocket.on('connect', checkDone)
})
after(() => {
zmqBridge.reqSocket.close()
zmqBridge.pullSocket.close()
})
function openTestOrder(volume, property, price, stoploss, takeprofit, testOrderTickets) {
return zmqBridge.request(mt4zmqBridge.REQUEST_TRADE_OPEN, "USDJPY", property, volume, price, 0, stoploss, takeprofit, "test", 0, mt4zmqBridge.UNIT_CONTRACTS)
.then((res) => {
expect(Array.isArray(res)).to.be.true
res.length.should.equal(1)
expect(isNaN(Number(res[0]))).to.be.false
if (Array.isArray(testOrderTickets)) {
testOrderTickets.push(res[0])
}
return res
})
}
const usdjpyTicker = {}
let testTicket
describe('communication with MT4', () => {
it('should ping MT4 client', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_PING, (err, res) => {
expect(err).to.be.null
expect(Array.isArray(res)).to.be.true
res.length.should.equal(1)
done()
})
})
it('should return current rates', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_RATES, "USDJPY", (err, res) => {
expect(err).to.be.null
expect(Array.isArray(res)).to.be.true
res.length.should.equal(3)
usdjpyTicker.bid = Number(res[0])
usdjpyTicker.ask = Number(res[1])
usdjpyTicker.bid.should.not.equal(0)
usdjpyTicker.ask.should.not.equal(0)
zmqBridge.request(mt4zmqBridge.REQUEST_RATES, "USDJPY")
.then((res) => {
done()
})
})
})
it('should return current account details', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_ACCOUNT, (err, res) => {
expect(err).to.be.null
expect(Array.isArray(res)).to.be.true
res.length.should.equal(9)
if (res[1] < 500) {
console.error("Tested account balance is below 500. Please use an account with greater balance.")
}
expect(res[1] > 500).to.be.true
done()
})
})
it('should not open test pending order', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_TRADE_OPEN, "USDJPY", mt4zmqBridge.OP_BUY, 122.000001, "%-10", 0, 0, 0, "test", 0, mt4zmqBridge.UNIT_CONTRACTS, (err, res) => {
expect(err).not.to.be.null
done()
})
})
it('should open test pending order', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_TRADE_OPEN, "USDJPY", mt4zmqBridge.OP_BUYLIMIT, 0.01, "%-15", 0, "-20", "+20", "test", 0, mt4zmqBridge.UNIT_CONTRACTS, (err, res) => {
expect(err).to.be.null
expect(Array.isArray(res)).to.be.true
res.length.should.equal(1)
expect(isNaN(Number(res[0]))).to.be.false
testTicket = res[0]
done()
})
})
it('should not open test order with wrong symbol', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_TRADE_OPEN, "WRONGSYMBOL", mt4zmqBridge.OP_BUYLIMIT, 0.01, "%-15", 0, 0, 0, "test", 0, mt4zmqBridge.UNIT_CONTRACTS)
.catch((err) => {
done()
})
})
it('should modify test pending order', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_TRADE_MODIFY, testTicket, "%-10", "%-20", "%10", (err, res) => {
expect(Array.isArray(res)).to.be.true
res.length.should.equal(1)
expect(isNaN(Number(res[0]))).to.be.false
done()
})
})
it('should find test pending order', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_ORDERS, (err, res) => {
expect(Array.isArray(res)).to.be.true
const orders = res.map(item => item.split(","))
const testOrder = orders.find(order => order[0] == testTicket)
done()
})
})
it('should delete test pending order', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_TRADE_DELETE, testTicket, (err, res) => {
expect(Array.isArray(res)).to.be.true
res.length.should.equal(1)
expect(isNaN(Number(res[0]))).to.be.false
res[0].should.equal(testTicket)
done()
})
}).timeout(5000)
it('should delete all test pending orders in batch', (done) => {
const testOrderTickets = []
Promise.all([
openTestOrder(0.011, mt4zmqBridge.OP_SELLLIMIT, "%20", usdjpyTicker.ask * 1.3, usdjpyTicker.ask * 1.1, testOrderTickets),
openTestOrder(0.012, mt4zmqBridge.OP_BUYSTOP, "%20", usdjpyTicker.bid * 1.1, usdjpyTicker.bid * 1.3, testOrderTickets),
openTestOrder(0.013, mt4zmqBridge.OP_SELLSTOP, "%-20", usdjpyTicker.ask * 0.9, usdjpyTicker.ask * 0.7, testOrderTickets)
]).then(() => {
zmqBridge.request(mt4zmqBridge.REQUEST_ORDERS)
.then((res) => {
expect(Array.isArray(res)).to.be.true
testOrderTickets.length.should.equal(3)
const orders = res.map(item => item.split(","))
expect(orders.find(order => order[0] == testOrderTickets[0])).not.to.be.undefined
expect(orders.find(order => order[0] == testOrderTickets[1])).not.to.be.undefined
expect(orders.find(order => order[0] == testOrderTickets[2])).not.to.be.undefined
zmqBridge.request(mt4zmqBridge.REQUEST_DELETE_ALL_PENDING_ORDERS, "USDJPY").then(() => {
zmqBridge.request(mt4zmqBridge.REQUEST_ORDERS)
.then((res) => {
if (Array.isArray(res)) {
res.length.should.equal(orders.length - 3)
}
done()
})
})
})
})
}).timeout(45000)
it('should open test market orders', (done) => {
openTestOrder(0.01, mt4zmqBridge.OP_BUY, 0, 0, 0)
.then((res) => {
expect(Array.isArray(res)).to.be.true
res.length.should.equal(1)
expect(isNaN(Number(res[0]))).to.be.false
testTicket = res[0]
done()
})
}).timeout(4000)
it('should modify test market order', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_TRADE_MODIFY, testTicket, 0, "-20", "+20", (err, res) => {
expect(err).to.be.null
expect(Array.isArray(res)).to.be.true
res.length.should.equal(1)
expect(isNaN(Number(res[0]))).to.be.false
done()
})
}).timeout(4000)
it('should close all market orders', (done) => {
zmqBridge.request(mt4zmqBridge.REQUEST_CLOSE_ALL_MARKET_ORDERS, "USDJPY")
.then(zmqBridge.request(mt4zmqBridge.REQUEST_ORDERS)
.then((res) => {
if (Array.isArray(res)) {
const orders = res.map(item => item.split(","))
expect(orders.find(item => item[4] === "USDJPY")).to.be.undefined
} else {
expect(Array.isArray(res)).to.be.false
expect(res).to.be.true
}
done()
})
)
}).timeout(45000)
})
})