/** * Test creating a random string of characters of a given length. */ public function testRandomStringOfLength() { // Generate a random string of ten characters $random_string = Fluffer::fluffString(10); $this->assertEquals(10, strlen($random_string), "The generated string should be ten characters long."); // It should contain a mix of the default characters (numbers, letters and symbols) $default_characters = Fluffer::getDefaultCharacters(); $this->assertStringOnlyContainsCharset($random_string, $default_characters); }