betting.test.js

'use strict'

const tap = require('tap')
const lib = require('./betting.js')

tap.test('minPassLineOnly: no bets yet, coming out', function (t) {
  const rules = {
    minBet: 5,
    maxOddsMultiple: {
      4: 3,
      5: 4,
      6: 5,
      8: 5,
      9: 4,
      10: 3
    }
  }

  const hand = {
    isComeOut: true
  }

  const updatedBets = lib.minPassLineOnly({ rules, hand })
  t.equal(updatedBets.pass.line.amount, rules.minBet)
  t.equal(updatedBets.new, 5)

  t.end()
})

tap.test('minPassLineOnly: bet exists, coming out', (t) => {
  const rules = {
    minBet: 5,
    maxOddsMultiple: {
      4: 3,
      5: 4,
      6: 5,
      8: 5,
      9: 4,
      10: 3
    }
  }

  const hand = {
    isComeOut: true
  }

  const bets = {
    pass: {
      line: {
        amount: 5,
        isContract: false
      }
    }
  }

  const updatedBets = lib.minPassLineOnly({ rules, bets, hand })
  t.equal(updatedBets.pass.line.amount, rules.minBet)
  t.notOk(updatedBets.pass.line.isContract)
  t.notOk(updatedBets.new)

  t.end()
})

tap.test('minPassLineOnly: bet exists, point set', (t) => {
  const rules = {
    minBet: 5,
    maxOddsMultiple: {
      4: 3,
      5: 4,
      6: 5,
      8: 5,
      9: 4,
      10: 3
    }
  }

  const hand = {
    isComeOut: false,
    point: 6
  }

  const bets = {
    pass: {
      line: {
        amount: 5,
        isContract: true
      }
    }
  }

  const updatedBets = lib.minPassLineOnly({ rules, bets, hand })
  t.equal(updatedBets.pass.line.amount, rules.minBet)
  t.ok(updatedBets.pass.line.isContract)
  t.notOk(updatedBets.new)

  t.end()
})

tap.test('minPassLineMaxOdds: make new bet upon establishing point', (t) => {
  const rules = {
    minBet: 5,
    maxOddsMultiple: {
      4: 3,
      5: 4,
      6: 5,
      8: 5,
      9: 4,
      10: 3
    }
  }

  const hand = {
    isComeOut: false,
    result: 'point set',
    point: 5
  }

  const bets = {
    pass: {
      line: {
        amount: 5,
        isContract: true
      }
    }
  }

  const updatedBets = lib.minPassLineMaxOdds({ rules, bets, hand })
  t.equal(updatedBets.pass.line.amount, rules.minBet, 'line bet is not changed')
  t.equal(updatedBets.pass.odds.amount, rules.maxOddsMultiple['5'] * rules.minBet, 'odds bet made properly')
  t.equal(updatedBets.new, updatedBets.pass.odds.amount)

  t.end()
})

tap.test('minPassLineMaxOdds: converge on odds bet after point set', (t) => {
  const rules = {
    minBet: 5,
    maxOddsMultiple: {
      4: 3,
      5: 4,
      6: 5,
      8: 5,
      9: 4,
      10: 3
    }
  }

  const hand = {
    isComeOut: false,
    result: 'neutral',
    point: 5,
    diceSum: 8
  }

  const bets = {
    pass: {
      line: {
        amount: 5,
        isContract: true
      }
    }
  }

  const updatedBets = lib.minPassLineMaxOdds({ rules, bets, hand })
  t.equal(updatedBets.pass.line.amount, rules.minBet, 'line bet is not changed')
  t.equal(updatedBets.pass.odds.amount, rules.maxOddsMultiple['5'] * rules.minBet, 'odds bet made properly')
  t.equal(updatedBets.new, updatedBets.pass.odds.amount)

  t.end()
})

tap.test('minPassLineMaxOdds: continue existing bet', (t) => {
  const rules = {
    minBet: 5,
    maxOddsMultiple: {
      4: 3,
      5: 4,
      6: 5,
      8: 5,
      9: 4,
      10: 3
    }
  }

  const hand = {
    isComeOut: false,
    result: 'neutral',
    point: 5,
    diceSum: 8
  }

  const bets = {
    pass: {
      line: {
        amount: 5,
        isContract: true
      },
      odds: {
        amount: 20,
        isContract: false
      }
    }
  }

  const updatedBets = lib.minPassLineMaxOdds({ rules, bets, hand })
  t.equal(updatedBets.pass.line.amount, bets.pass.line.amount, 'line bet is not changed')
  t.equal(updatedBets.pass.odds.amount, bets.pass.odds.amount, 'odds bet is not changed')
  t.notOk(updatedBets.new, 'no new bets were made')

  t.end()
})