Adding a time limit.

Author: cyrilverloop

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Added
+- Time limit.
+
 ## [3.2.0] - 2022-02-18
 ### Added
 - Tests for "Container terminal".

Dockerfile

@@ -1,9 +1,9 @@
 FROM php:7.3-cli-alpine
 RUN apk update \
     && apk add gpg $PHPIZE_DEPS \
-    && docker-php-ext-install mbstring \
+    && docker-php-ext-install pcntl mbstring \
     && pecl install xdebug \
-    && docker-php-ext-enable mbstring xdebug \
+    && docker-php-ext-enable mbstring pcntl xdebug \
     && wget -O /usr/local/bin/phive https://phar.io/releases/phive.phar \
     && chmod +x /usr/local/bin/phive \
     && apk del --purge $PHPIZE_DEPS \

README.md

@@ -74,7 +74,6 @@ fscanf(STDIN, "%d", $N);
 ```
 
 
-## Timed out
+## Time limit
 
-Your code can work through this project and timed out on CodinGame.
-It means your solution is not optimum and you should find another algorithm.
+The maximum time allowed for a puzzle may differ from CodinGame.

composer.json

@@ -20,6 +20,7 @@
         }
     ],
     "require": {
-        "php": "7.3.*"
+        "php": "7.3.*",
+        "phpunit/php-invoker": "^3.1"
     }
 }

composer.lock

@@ -5,12 +5,21 @@
 namespace CyrilVerloop\Codingame\Tests;
 
 use PHPUnit\Framework\TestCase;
+use SebastianBergmann\Invoker\Invoker;
 
 /**
  * Base class for testing puzzles.
  */
 abstract class PuzzleTest extends TestCase
 {
+    // Constants :
+
+    /**
+     * @var int the time limit in seconds.
+     */
+    const TIME_LIMIT = 6;
+
+
     // Properties :
 
     /** @var \CyrilVerloop\Codingame\Puzzle the puzzle. */
@@ -30,6 +39,7 @@ protected function expectExecuteOutputAnswer(string $filename, string $expectedA
 
         $this->expectOutputString($expectedAnswer);
 
-        $this->puzzle->execute($stdin);
+        $invoker = new Invoker();
+        $invoker->invoke([$this->puzzle, "execute"], [$stdin], self::TIME_LIMIT);
     }
 }