Merge pull request #9 from brewerwall/feature/boil

Boil Rate

README.md

@@ -153,7 +153,7 @@ pattern of `$rate->get{Unit}Per{Unit}` for the respective units. Example using F
 
 ### Flow
 
-This class represent the amount of Volume over a period of Time.
+This class represent the amount of Volume flowed over a period of Time.
 
 ```php
 $flow = new Flow(new Volume(gallon: 5), new Time(hour: 1));
@@ -165,6 +165,20 @@ $flow->getGallonPerMinute(); // 0.083333333333333
 
 ___
 
+### Boil
+
+This class represent the amount of Volume boiled over a period of Time.
+
+```php
+$boil = new Boil(new Volume(gallon: 5), new Time(hour: 1));
+
+$boil->getGallonPerHour(); // 5
+
+$boil->getGallonPerMinute(); // 0.083333333333333
+```
+
+___
+
 ## Calculate
 
 A library of calculations that can be used with various Unitz classes.

src/Rate/Boil.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Unitz\Rate;
+
+class Boil extends Flow
+{
+    // Boil Rate is the same as Flow Rate in the sense that it is a Volume per Time in evaporation.
+}

tests/Rate/BoilRate.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Tests\Rate;
+
+use PHPUnit\Framework\TestCase;
+use Unitz\Rate\Boil;
+use Unitz\Time;
+use Unitz\Volume;
+
+class BoilRate extends TestCase
+{
+    public function testFlowReturnsCorrectValue(): void
+    {
+        $boil = new Boil(new Volume(gallon: 3), new Time(minute: 1));
+        $this->assertEquals(new Volume(gallon: 3), $boil->getGallonsPerMinute());
+    }
+}

tests/Rate/FlowTest.php

@@ -58,10 +58,10 @@ public function testVolumeWithInvalidNumeratorUnitTypeThrowsRuntimeException():
     public function testVolumeWithInvalidDenominatorUnitTypeThrowsRuntimeException(): void
     {
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('Method getBannana does not exist on Unitz\Time');
+        $this->expectExceptionMessage('Method getBanana does not exist on Unitz\Time');
 
         $flow = new Flow(new Volume(gallon: 3), new Time(minute: 1));
-        $flow->getGallonsPerBannanas();
+        $flow->getGallonsPerBananas();
     }
 
     public function testFlowReturnsCorrectValue(): void