Add NumberFormatConverter

src/Converter/NumberFormatConverter.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * This file is part of plumphp/plum.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace Plum\Plum\Converter;
+
+/**
+ * NumberFormatConverter.
+ *
+ * @author    Florian Eckerstorfer
+ * @copyright 2014-2016 Florian Eckerstorfer
+ */
+class NumberFormatConverter implements ConverterInterface
+{
+    /**
+     * @var int
+     */
+    protected $decimals;
+
+    /**
+     * @var string
+     */
+    protected $decimalPoint;
+
+    /**
+     * @var string
+     */
+    protected $thousandsSeparator;
+
+    /**
+     * NumberFormatConverter constructor.
+     *
+     * @param int    $decimals
+     * @param string $decimalPoint
+     * @param string $thousandsSeparator
+     *
+     * @codeCoverageIgnore
+     */
+    public function __construct($decimals = 0, $decimalPoint = '.', $thousandsSeparator = ',')
+    {
+        $this->decimals           = $decimals;
+        $this->decimalPoint       = $decimalPoint;
+        $this->thousandsSeparator = $thousandsSeparator;
+    }
+
+    /**
+     * @param mixed $item
+     *
+     * @return string
+     */
+    public function convert($item)
+    {
+        return number_format($item, $this->decimals, $this->decimalPoint, $this->thousandsSeparator);
+    }
+}

tests/Converter/NumberFormatConverterTest.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * This file is part of plumphp/plum.
+ *
+ * (c) Florian Eckerstorfer <florian@eckerstorfer.co>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace Plum\Plum\Converter;
+
+use PHPUnit_Framework_TestCase;
+
+/**
+ * NumberFormatConverterTest.
+ *
+ * @author    Florian Eckerstorfer
+ * @copyright 2014-2016 Florian Eckerstorfer
+ * @group     unit
+ */
+class NumberFormatConverterTest extends PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     * @covers Plum\Plum\Converter\NumberFormatConverter::convert()
+     */
+    public function convertFormatsNumberWithDefaultParmeters()
+    {
+        $converter = new NumberFormatConverter();
+
+        $this->assertEquals('42', $converter->convert(42.42));
+    }
+
+    /**
+     * @test
+     * @covers Plum\Plum\Converter\NumberFormatConverter::convert()
+     */
+    public function convertFormatsNumber()
+    {
+        $converter = new NumberFormatConverter(2, ',', '.');
+
+        $this->assertEquals('10.042,11', $converter->convert(10042.112));
+    }
+}