add temperature conversion

Author: ket sakda

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 All notable changes to `unit-conversions` will be documented in this file.
 
+## 1.1.0 - 2021-04-27
+
+- Add Temerature Conversion
 ## 1.0.0 - 2021-04-27
 
 - initial release

src/Temerature.php

@@ -0,0 +1,22 @@
+<?php
+namespace Ketsakda\UnitConversions;
+
+class Temerature
+{
+    private float $celsius;
+
+    public function __construct(float $celsius)
+    {
+        $this->celsius = $celsius;
+    }
+
+    public static function forCelsius(float $celsius) : self
+    {
+        return new static($celsius);
+    }
+    
+    public function toFahrenheit(): float
+    {
+        return ($this->celsius * 1.8) + 32;
+    }
+}

tests/TemeratureTest.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Ketsakda\UnitConversions\Tests;
+
+use Ketsakda\UnitConversions\Temerature;
+use PHPUnit\Framework\TestCase;
+
+class TemeratureTest extends TestCase
+{
+    public function test_it_can_convert_celsius_to_fahrenheit()
+    {
+        $fahrenheit = Temerature::forCelsius(100)->toFahrenheit();
+        $this->assertEquals(212, $fahrenheit);
+    }
+}