Move files to PSR-4 location and improve test

Author: ddeboer

…erter/DateTimeToStringValueConverter.php …erter/DateTimeToStringValueConverter.phpsrc/Ddeboer/DataImport/ValueConverter/DateTimeToStringValueConverter.php renamed to src/ValueConverter/DateTimeToStringValueConverter.php src/Ddeboer/DataImport/ValueConverter/DateTimeToStringValueConverter.php renamed to src/ValueConverter/DateTimeToStringValueConverter.php

@@ -2,10 +2,12 @@
 
 namespace Ddeboer\DataImport\ValueConverter;
 
+use Ddeboer\DataImport\Exception\UnexpectedValueException;
+
 /**
  * Convert an date time object into string
  */
-class DateTimeToStringValueConverter implements ValueConverterInterface
+class DateTimeToStringValueConverter
 {
     /**
      * Date time format
@@ -38,8 +40,9 @@ public function convert($input)
         }
 
         if (!($input instanceof \DateTime)) {
-            throw new \UnexpectedValueException('Input must be DateTime object.');
+            throw new UnexpectedValueException('Input must be DateTime object.');
         }
 
         return $input->format($this->outputFormat);
-    }}
+    }
+}

…r/DateTimeToStringValueConverterTest.php …r/DateTimeToStringValueConverterTest.phptests/Ddeboer/DataImport/Tests/ValueConverter/DateTimeToStringValueConverterTest.php renamed to tests/ValueConverter/DateTimeToStringValueConverterTest.php tests/Ddeboer/DataImport/Tests/ValueConverter/DateTimeToStringValueConverterTest.php renamed to tests/ValueConverter/DateTimeToStringValueConverterTest.php

@@ -11,14 +11,17 @@ public function testConvertWithoutOutputFormatReturnsString()
         $value = new \DateTime('2010-01-01 01:00:00');
         $converter = new DateTimeToStringValueConverter;
         $output = $converter->convert($value);
-        $this->assertEquals('2010-01-01 01:00:00', $value->format('Y-m-d H:i:s'));
+        $this->assertEquals('2010-01-01 01:00:00', $output);
     }
 
+    /**
+     * @expectedException \Ddeboer\DataImport\Exception\UnexpectedValueException
+     * @expectedExceptionMessage Input must be DateTime object
+     */
     public function testInvalidInputFormatThrowsException()
     {
         $value = '14/10/2008 09:40:20';
         $converter = new DateTimeToStringValueConverter;
-        $this->setExpectedException("UnexpectedValueException", "Input must be DateTime object.");
         $converter->convert($value);
     }
 }