dice-roller/test/test-dice.spec.ts

import { Asphodice } from "../dice";
import { expect } from 'chai';
import 'mocha';

let asphodice = new Asphodice;

const testCandidates = [
	{ dice: [ 6, 6, 6 ], aboveCutOff: true, belowCutOff: false,
		reroll: false, cancelled: [6,6,6] },
	{ dice: [ 2, 2, 2 ], aboveCutOff: false, belowCutOff: true,
		reroll: false, cacncelled: [2,2,2] },
	{ dice: [ 1 ], aboveCutOff: false, belowCutOff: true,
		reroll: true, cacncelled: [1] },
	];



describe("allAboveCutOff() says are all above cutoff correctly", function() {
	const tests = [
		{ dice: [ 6, 6, 6 ], expected: true },
		{ dice: [ 2, 2, 2 ], expected: false },
		{ dice: [ 1 ], expected: false },
		{ dice: [ 10 ], expected: true },
		{ dice: [ 6, 10, 6, 9 ], expected: true}
	];

	tests.forEach(({dice, expected}) => {
		it(`correctly determines ${dice} are above cutoff`, function () {
			const result = asphodice.allAboveCutOff(dice);
			expect(result).to.equal(expected);
		});
	});
	testCandidates.forEach( ({dice, aboveCutOff}) => {
		it(`allAboveCutOff() says ${dice} → ${aboveCutOff}`, function() {
			const result = asphodice.allAboveCutOff(dice);
			expect(result).to.equal(aboveCutOff);
		});

	});
});

describe("Are all below cutoff?", function() {
	const tests = [
		{ dice: [ 6, 6, 6 ], expected: false },
		{ dice: [ 2, 2, 2 ], expected: true },
		{ dice: [ 1 ], expected: true },
		{ dice: [ 10 ], expected: false },
		{ dice: [ 6, 10, 6, 9 ], expected: false },
		{ dice: [ 6, 1, 6, 9 ], expected: false }
	];

	tests.forEach(({dice, expected}) => {
		it(`correctly determines ${dice} are above cutoff`, function () {
			const result = asphodice.allBelowCutOff(dice);
			expect(result).to.equal(expected);
		});
	});
});

// TODO: single dice behaviour
describe("Does it need a re-roll?", function() {
	const tests = [
		{ dice: [ 6, 6, 6 ], expected: false },
		{ dice: [ 2, 2, 2 ], expected: false },
		{ dice: [ 6, 10, 6, 9 ], expected: false },
		{ dice: [ 6, 1, 6, 9 ], expected: true },
		{ dice: [ 10, 1, 2], expected: false },
		{ dice: [ 10, 10, 1, 1, 1, 6], expected: true },
		{ dice: [ 10, 10, 1, 1, 1, 2], expected: false },
	];

	tests.forEach(({dice, expected}) => {
		it(`correctly determines ${dice} needs a re-roll`, function () {
			const result = asphodice.rerollNeeded(dice);
			expect(result).to.equal(expected);
		});
	});
});

describe("cancelRerollDice() filters correctly", function() {
	const tests = [
		{ dice: [ 6, 6, 6 ], out: [6,6,6] },
		{ dice: [ 2, 2, 2 ], out: [2,2,2] },
		{ dice: [ 6, 10, 6, 9 ], out: [6, 10, 6, 9] },
		{ dice: [ 6, 1, 6, 9 ], out: [ 6, 1, 6, 9 ] },
		{ dice: [ 10, 1, 2], out: [2] },
		{ dice: [ 10, 10, 1, 1, 1, 6], out: [1,6] },
		{ dice: [ 10, 10, 1, 1, 1, 2], out: [1,2] },
	];

	tests.forEach(({dice, out}) => {
		it(`correctly filters ${dice} to ${out}`, function () {
			const result = asphodice.cancelRerollDice(dice);
			expect(result.sort()).to.deep.equal(out.sort());
		});
	});
});