bitcore-node/build/test/unit/utils/stats.unit.js

A blockchain indexing node with extended capabilities using bitcore

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const mocha_1 = require("mocha");
const stats_1 = require("../../../src/utils/stats");
const unit_1 = require("../../helpers/unit");
(0, mocha_1.describe)('Stats Util', () => {
    before(unit_1.unitBeforeHelper);
    after(unit_1.unitAfterHelper);
    (0, mocha_1.describe)('Quartiles of 20', () => {
        const values = new Array(20).fill(0).map((_, i) => i);
        it('should give back the midpoint between 0 and 5', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 1);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(2);
        });
        it('should give back the midpoint between 5 and 10', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 2);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(7);
        });
        it('should give back the midpoint between 10 and 15', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 3);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(12);
        });
        it('should give back the midpoint between 15 and 20', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 4);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(17);
        });
    });
    (0, mocha_1.describe)('Quartiles of 4', () => {
        const values = new Array(4).fill(0).map((_, i) => i);
        it('should give back the midpoint between 0 and 1', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 1);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(0);
        });
        it('should give back the midpoint between 1 and 2', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 2);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(1);
        });
        it('should give back the midpoint between 2 and 3', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 3);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(2);
        });
        it('should give back the midpoint between 3 and 4', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 4);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(3);
        });
    });
    (0, mocha_1.describe)('Quartiles of 1', () => {
        const values = new Array(1).fill(0).map((_, i) => i);
        it('should give back the midpoint between 0 and 0', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 1);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(0);
        });
        it('should give back the midpoint between 0 and 0', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 2);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(0);
        });
        it('should give back the midpoint between 0 and 0', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 3);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(0);
        });
        it('should give back the midpoint between 0 and 0', () => {
            const firstQuartileMidPoint = stats_1.StatsUtil.getNthQuartileMedian(values, 4);
            (0, chai_1.expect)(firstQuartileMidPoint).to.eq(0);
        });
    });
});
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