Tests for global helper functions

tests/Unit/Helpers/HumanReadableTest.php

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+<?php
+/*
+ * Pterodactyl - Panel
+ * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+namespace Tests\Unit\Helpers;
+
+use Tests\TestCase;
+
+class HumanReadableTest extends TestCase
+{
+    /**
+     * Test the human_readable helper.
+     *
+     * @dataProvider helperDataProvider
+     */
+    public function testHelper($value, $response, $precision = 2)
+    {
+        $this->assertSame($response, human_readable($value, $precision));
+    }
+
+    /**
+     * Provide data to test aganist the helper function.
+     *
+     * @return array
+     */
+    public function helperDataProvider()
+    {
+        return [
+            [0, '0B'],
+            [1, '1B'],
+            [1024, '1kB'],
+            [10392, '10.15kB'],
+            [10392, '10kB', 0],
+            [10392, '10.148438kB', 6],
+            [1024000, '0.98MB'],
+            [1024000, '1MB', 0],
+            [102400000, '97.66MB'],
+            [102400000, '98MB', 0],
+            [102400000, '97.6563MB', 4],
+            [102400000, '97.65625MB', 10],
+        ];
+    }
+}