Bowling

tests/BowlingGameTest.php

@@ -0,0 +1,134 @@
+<?php
+
+declare(strict_types=1);
+
+use App\BowlingGame;
+use Assert\Assert;
+use Assert\AssertionFailedException;
+
+beforeEach(function (): void {
+   $this->game = new BowlingGame();
+});
+
+it('counts an empty game', function (): void {
+    foreach (range(1, 20) as $roll) {
+        $this->game->roll(0);
+    }
+
+    assertSame(0, $this->game->getScore());
+});
+
+it('counts all single pins', function (): void {
+    foreach (range(1, 20) as $roll) {
+        $this->game->roll(1);
+    }
+
+    assertSame(20, $this->game->getScore());
+});
+
+it('adds a roll one bonus for a spare', function (): void {
+    $this->game->roll(5);
+    $this->game->roll(5); // Spare
+
+    $this->game->roll(2);
+
+    foreach (range(1, 17) as $roll) {
+        $this->game->roll(0);
+    }
+
+    assertSame(14, $this->game->getScore());
+});
+
+it('adds a two roll bonus for a strike', function (): void {
+   $this->game->roll(10); // Strike
+
+   $this->game->roll(3);
+   $this->game->roll(6);
+
+   foreach (range(1, 16) as $roll) {
+       $this->game->roll(0);
+   }
+
+   assertSame(28, $this->game->getScore());
+});
+
+it('adds an extra ball for a spare on the final frame', function (): void {
+   foreach (range(1, 18) as $roll) {
+       $this->game->roll(0);
+   }
+
+   $this->game->roll(7);
+   $this->game->roll(3); // Spare
+
+   $this->game->roll(5);
+
+   assertSame(15, $this->game->getScore());
+});
+
+it('adds an two extra balls for a strike on the final frame', function (): void {
+   foreach (range(1, 18) as $roll) {
+       $this->game->roll(0);
+   }
+
+   $this->game->roll(10); // Strike
+
+   $this->game->roll(4);
+   $this->game->roll(2);
+
+   assertSame(16, $this->game->getScore());
+});
+
+it('scores a perfect game', function (): void {
+    foreach (range(1, 12) as $roll) {
+        $this->game->roll(10);
+    }
+
+    assertSame(300, $this->game->getScore());
+});
+
+it('scores a normal game', function (): void {
+    $this->game->roll(4);
+    $this->game->roll(3);
+
+    $this->game->roll(10);
+
+    $this->game->roll(4);
+    $this->game->roll(1);
+
+    $this->game->roll(0);
+    $this->game->roll(2);
+
+    $this->game->roll(3);
+    $this->game->roll(7);
+
+    $this->game->roll(8);
+    $this->game->roll(1);
+
+    $this->game->roll(10);
+
+    $this->game->roll(0);
+    $this->game->roll(7);
+
+    $this->game->roll(1);
+    $this->game->roll(5);
+
+    $this->game->roll(10);
+    $this->game->roll(6);
+    $this->game->roll(1);
+
+    assertSame(103, $this->game->getScore());
+});
+
+it('cannot knock down a negative pins', function (): void {
+    $this->game->roll(-1);
+})->throws(
+    AssertionFailedException::class,
+    'You cannot knock down a negative number of pins. Knocked down -1.'
+);
+
+it('cannot knock down more than 10 pins in a roll', function (): void {
+    $this->game->roll(12);
+})->throws(
+    AssertionFailedException::class,
+    'You can only knock down a maximum of 10 pins in a roll. Knocked down 12.'
+);