Adding tests for "Dwarfs standing on the shoulders of giants".

Author: cyrilverloop

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - Tests for "War".
+- Tests for "Dwarfs standing on the shoulders of giants".
 
 ## [2.2.0] - 2022-02-10
 ### Added

src/Training/Medium/DwarfsStandingOnTheShouldersOfGiants/DwarfsStandingOnTheShouldersOfGiants.dist

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CyrilVerloop\Codingame\Training\Medium\DwarfsStandingOnTheShouldersOfGiants;
+
+use CyrilVerloop\Codingame\Puzzle;
+
+/**
+ * The "Dwarfs standing on the shoulders of giants" puzzle.
+ */
+class DwarfsStandingOnTheShouldersOfGiants implements Puzzle
+{
+    public function execute($stdin): void
+    {
+        // $n: the number of relationships of influence
+        fscanf($stdin, "%d", $n);
+        for ($i = 0; $i < $n; $i++)
+        {
+            // $x: a relationship of influence between two people (x influences y)
+            fscanf($stdin, "%d %d", $x, $y);
+        }
+
+        // Write an answer using echo(). DON'T FORGET THE TRAILING \n
+
+
+        // The number of people involved in the longest succession of influences
+        echo("2\n");
+    }
+}

tests/Training/Medium/DwarfsStandingOnTheShouldersOfGiants/DwarfsStandingOnTheShouldersOfGiantsTest.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CyrilVerloop\Codingame\Tests\Training\Medium\DwarfsStandingOnTheShouldersOfGiants;
+
+use CyrilVerloop\Codingame\Tests\PuzzleTest;
+use CyrilVerloop\Codingame\Training\Medium\DwarfsStandingOnTheShouldersOfGiants\DwarfsStandingOnTheShouldersOfGiants;
+
+/**
+ * Tests for the "Dwarfs standing on the shoulders of giants" puzzle.
+ *
+ * @covers \CyrilVerloop\Codingame\Training\Medium\DwarfsStandingOnTheShouldersOfGiants\DwarfsStandingOnTheShouldersOfGiants
+ * @group dwarfsStandingOnTheShouldersOfGiants
+ */
+final class DwarfsStandingOnTheShouldersOfGiantsTest extends PuzzleTest
+{
+    public function setUp(): void
+    {
+        $this->puzzle = new DwarfsStandingOnTheShouldersOfGiants();
+    }
+
+    /**
+     * Test that the code can be executed for "Simple example".
+     *
+     * @group dwarfsStandingOnTheShouldersOfGiants_simpleExample
+     */
+    public function testCanExecuteSimpleExample(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/01 - simple example.txt',
+            '3' . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Complete example".
+     *
+     * @group dwarfsStandingOnTheShouldersOfGiants_completeExample
+     */
+    public function testCanExecuteCompleteExample(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/02 - complete example.txt',
+            '4' . PHP_EOL
+        );
+    }
+
+    /**
+     * Test that the code can be executed for "Several mentors".
+     *
+     * @group dwarfsStandingOnTheShouldersOfGiants_severalMentors
+     */
+    public function testCanExecuteSeveralMentors(): void
+    {
+        $this->expectExecuteOutputAnswer(
+            __DIR__ . '/input/03 - several mentors.txt',
+            '3' . PHP_EOL
+        );
+    }
+}

tests/Training/Medium/DwarfsStandingOnTheShouldersOfGiants/input/01 - simple example.txt

@@ -0,0 +1,4 @@
+3
+1 2
+1 3
+3 4

tests/Training/Medium/DwarfsStandingOnTheShouldersOfGiants/input/02 - complete example.txt

@@ -0,0 +1,9 @@
+8
+1 2
+1 3
+3 4
+2 4
+2 5
+10 11
+10 1
+10 3

tests/Training/Medium/DwarfsStandingOnTheShouldersOfGiants/input/03 - several mentors.txt

@@ -0,0 +1,5 @@
+4
+2 3
+8 9
+1 2
+6 3