@masala/parser/src/test/parsec/number-bundle-test.js

Masala Parser

import stream from '../../lib/stream/index'
import { N } from '../../lib/parsec/index'

let value = undefined

function testParser(parser, string) {
    let myStream = stream.ofString(string)
    let parsing = parser.parse(myStream)

    value = parsing.value
}

export default {
    setUp: function (done) {
        done()
    },

    'expect N.integer() to be ok': function (test) {
        const string = '007'
        // tests here
        const parser = N.integer()
        testParser(parser, string)
        test.equal(value, 7, 'N.integer()')
        test.done()
    },

    'expect N.integer() with sign to be ok': function (test) {
        const string = '-007'
        // tests here
        const parser = N.integer()
        testParser(parser, string)
        test.equal(value, -7, 'negative N.integer()')
        test.done()
    },

    'expect number without sign to be ok': function (test) {
        const string = '007.12'
        // tests here
        const parser = N.number()
        testParser(parser, string)
        test.equal(value, 7.12, 'number')
        test.done()
    },

    'expect many digits to be joined and to be a number': function (test) {
        const string = '007'
        // tests here
        const parser = N.digits()
        testParser(parser, string)
        test.equal(typeof value, 'number', 'N.digits() should be a string')
        test.equal(value, 7, 'N.digits() returns a bad value')
        test.done()
    },
}