test.ts

const assert = require('assert');
import { Prep } from './prep';
import { expect } from 'chai';

describe('arrayManip', () => {
	it('should return 200', () => {
		const v1 = [
			[1, 2, 100],
			[2, 5, 100],
			[3, 4, 100],
		];
		assert.equal(200, Prep.arrayManip(5, v1));
	});

	it('should return 10', () => {
		const v2 = [
			[1, 5, 3],
			[4, 8, 7],
			[6, 9, 1],
		];

		assert.equal(10, Prep.arrayManip(10, v2));
	});

	it('should return 31', () => {
		const v3 = [
			[2, 6, 8],
			[3, 5, 7],
			[1, 8, 1],
			[5, 9, 15],
		];

		assert.equal(31, Prep.arrayManip(10, v3));
	});

	it('should return 6314', () => {
		const arr = [
			[19, 28, 419],
			[4, 23, 680],
			[5, 6, 907],
			[19, 33, 582],
			[5, 9, 880],
			[10, 13, 438],
			[21, 39, 294],
			[13, 18, 678],
			[12, 26, 528],
			[15, 30, 261],
			[8, 9, 48],
			[21, 23, 131],
			[20, 21, 7],
			[13, 40, 65],
			[13, 23, 901],
			[15, 15, 914],
			[14, 35, 704],
			[20, 39, 522],
			[10, 18, 379],
			[16, 27, 8],
			[25, 40, 536],
			[5, 9, 190],
			[17, 20, 809],
			[8, 20, 453],
			[22, 37, 298],
			[19, 37, 112],
			[2, 5, 186],
			[21, 29, 184],
			[23, 30, 625],
			[2, 8, 960],
		];

		assert.equal(6314, Prep.arrayManip(40, arr));
	});
});

describe('triplet comparison', () => {
	it('should return an array length of 2', () => {
		const A = [17, 28, 30];
		const B = [99, 16, 8];
		assert.equal(2, Prep.compareTriplets(A, B).length);
	});

	it('should yield a tie', () => {
		const A = [17, 28, 30];
		const B = [99, 16, 8];
		expect([2, 1]).to.eql(Prep.compareTriplets(A, B));
		expect([1, 0]).to.not.eql(Prep.compareTriplets(A, B));
	});
});

describe('stats - mean, median, mode', () => {
	const a = '64630 11735 14216 99233 14470 4978 73429 38120 51135 67060';

	it('should return a 3 length array', () => {
		expect(Prep.statDay0(a).length).to.eql(3);
	});

	it('should return a mean of 43900.6', () => {
		expect(Prep.statDay0(a)[0]).to.eql(43900.6);
	});

	it('should return a median of 44627.5', () => {
		expect(Prep.statDay0(a)[1]).to.eql(44627.5);
	});

	it('should return a mode of 4978', () => {
		expect(Prep.statDay0(a)[2]).to.eql(4978);
	});
});