Merge pull request #4 from djmarland/master

Handle asking for the Base currency and fix error in Readme

README.md

@@ -103,7 +103,7 @@ print $rates->GBP;
 The last option is to return the response as a `Result` class. This allows access to the full set of properties returned from the feed. 
 
 ```php
-$result = (new Exchange())->symbols(Currency::USD, Currency::GBP)->getAsObject();
+$result = (new Exchange())->symbols(Currency::USD, Currency::GBP)->getResult();
 
 $date = $result->getDate(); // The date the data is from
 $rates = $result->getRates(); // Array of rates as above

src/Result.php

@@ -71,6 +71,14 @@ public function getRates()
      */
     public function getRate($code)
     {
+        // the result won't have the base code in it,
+        // because that would always be 1. But to make
+        // dynamic code easier this prevents null if
+        // the base code is asked for
+        if ($code == $this->getBase()) {
+            return 1.0;
+        }
+
         if (isset($this->rates[$code])) {
             return $this->rates[$code];
         }

tests/ExchangeTest.php

@@ -116,7 +116,7 @@ public function testResponseAsResult()
     {
         $response = m::mock('StdClass');
         $response->shouldReceive('getBody')->once()->andReturn(json_encode([
-            'base' => 'USD',
+            'base' => 'EUR',
             'date' => '2016-01-02',
             'rates' => [
                 'GBP' => 1.01,
@@ -132,7 +132,7 @@ public function testResponseAsResult()
         $result = $exchange->getResult();
         $this->assertInstanceOf('\Fadion\Fixerio\Result', $result);
 
-        $this->assertEquals(1.02, $result->getRate(Currency::USD));
+        $this->assertEquals(1.01, $result->getRate(Currency::GBP));
     }
 
     /**

tests/ResultTest.php

@@ -22,6 +22,11 @@ public function testGetters()
 
         $this->assertEquals(1.23, $result->getRate(Currency::USD));
         $this->assertEquals(1.01, $result->getRate(Currency::GBP));
+
+        // Check that asking for the Base will return 1
+        $this->assertEquals(1, $result->getRate(Currency::EUR));
+
+        // Null if currency not in result
         $this->assertNull($result->getRate(Currency::HKD));
         $this->assertNull($result->getRate('invalid'));
     }