Add tests using Mocha+Chai

test/test-dice.spec.ts

@@ -0,0 +1,97 @@
+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());
+		});
+	});
+});