Add unit tests for Randomizer

#150

tests/Unit/Utils/Random/RandomizerTest.php

@@ -0,0 +1,120 @@
+<?php
+
+namespace Aedart\Tests\Unit\Utils\Random;
+
+use Aedart\Testing\Helpers\ConsoleDebugger;
+use Aedart\Testing\TestCases\UnitTestCase;
+use Aedart\Utils\Random\Factory;
+use Throwable;
+
+/**
+ * RandomizerTest
+ *
+ * @group utils
+ * @group utils-random
+ * @group utils-randomizer
+ *
+ * @author Alin Eugen Deac <[email protected]>
+ * @package Aedart\Tests\Unit\Utils\Random
+ */
+class RandomizerTest extends UnitTestCase
+{
+    // NOTE: These tests do NOT verify randomness. Only that API methods can be invoked
+    // and return value(s)...
+
+    /**
+     * @test
+     *
+     * @return void
+     *
+     * @throws Throwable
+     */
+    public function canGetRandomBytes(): void
+    {
+        $result = Factory::make()->bytes(10);
+
+        ConsoleDebugger::output($result);
+
+        $this->assertIsString($result);
+    }
+
+    /**
+     * @test
+     *
+     * @return void
+     *
+     * @throws Throwable
+     */
+    public function canShuffleBytes(): void
+    {
+        $result = Factory::make()->shuffleBytes(implode('', range('a', 'z')));
+
+        ConsoleDebugger::output($result);
+
+        $this->assertIsString($result);
+    }
+
+    /**
+     * @test
+     *
+     * @return void
+     *
+     * @throws Throwable
+     */
+    public function canGetRandomInt(): void
+    {
+        $result = Factory::make()->int(1, 10);
+
+        ConsoleDebugger::output($result);
+
+        $this->assertIsInt($result);
+    }
+
+    /**
+     * @test
+     *
+     * @return void
+     *
+     * @throws Throwable
+     */
+    public function canGetNextInt(): void
+    {
+        $result = Factory::make()->nextInt();
+
+        ConsoleDebugger::output($result);
+
+        $this->assertIsInt($result);
+    }
+
+    /**
+     * @test
+     *
+     * @return void
+     *
+     * @throws Throwable
+     */
+    public function canPickArrayKeys(): void
+    {
+        $result = Factory::make()->pickKeys([ 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5 ], 2);
+
+        ConsoleDebugger::output($result);
+
+        $this->assertIsArray($result);
+    }
+
+    /**
+     * @test
+     *
+     * @return void
+     *
+     * @throws Throwable
+     */
+    public function canShuffleArray(): void
+    {
+        $result = Factory::make()->shuffle([ 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5 ]);
+
+        ConsoleDebugger::output($result);
+
+        $this->assertIsArray($result);
+    }
+}