Unit test for Native mapper

Signed-off-by: Tom Van Herreweghe <[email protected]>

Author: Tom Van Herreweghe

tests/PHPExif/Mapper/ExiftoolMapperTest.php

@@ -14,7 +14,7 @@ public function setUp()
     /**
      * @group mapper
      */
-    public function testMapRawDataImplementsCorrectInterface()
+    public function testClassImplementsCorrectInterface()
     {
         $this->assertInstanceOf('\\PHPExif\\Mapper\\MapperInterface', $this->mapper);
     }

tests/PHPExif/Mapper/NativeMapperTest.php

@@ -0,0 +1,169 @@
+<?php
+/**
+ * @covers \PHPExif\Mapper\Native::<!public>
+ */
+class NativeMapperTest extends \PHPUnit_Framework_TestCase
+{
+    protected $mapper;
+
+    public function setUp()
+    {
+        $this->mapper = new \PHPExif\Mapper\Native;
+    }
+
+    /**
+     * @group mapper
+     */
+    public function testClassImplementsCorrectInterface()
+    {
+        $this->assertInstanceOf('\\PHPExif\\Mapper\\MapperInterface', $this->mapper);
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataIgnoresFieldIfItDoesntExist()
+    {
+        $rawData = array('foo' => 'bar');
+        $mapped = $this->mapper->mapRawData($rawData);
+
+        $this->assertCount(0, $mapped);
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataMapsFieldsCorrectly()
+    {
+        $reflProp = new \ReflectionProperty(get_class($this->mapper), 'map');
+        $reflProp->setAccessible(true);
+        $map = $reflProp->getValue($this->mapper);
+
+        // ignore custom formatted data stuff:
+        unset($map[\PHPExif\Mapper\Native::DATETIMEORIGINAL]);
+        unset($map[\PHPExif\Mapper\Native::EXPOSURETIME]);
+        unset($map[\PHPExif\Mapper\Native::FOCALLENGTH]);
+        unset($map[\PHPExif\Mapper\Native::XRESOLUTION]);
+        unset($map[\PHPExif\Mapper\Native::YRESOLUTION]);
+
+        // create raw data
+        $keys = array_keys($map);
+        $values = array();
+        $values = array_pad($values, count($keys), 'foo');
+        $rawData = array_combine($keys, $values);
+
+
+        $mapped = $this->mapper->mapRawData($rawData);
+
+        $i = 0;
+        foreach ($mapped as $key => $value) {
+            $this->assertEquals($map[$keys[$i]], $key);
+            $i++;
+        }
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataCorrectlyFormatsDateTimeOriginal()
+    {
+        $rawData = array(
+            \PHPExif\Mapper\Native::DATETIMEORIGINAL => '2015:04:01 12:11:09',
+        );
+
+        $mapped = $this->mapper->mapRawData($rawData);
+
+        $result = reset($mapped);
+        $this->assertInstanceOf('\\DateTime', $result);
+        $this->assertEquals(
+            reset($rawData),
+            $result->format('Y:m:d H:i:s')
+        );
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataCorrectlyFormatsExposureTime()
+    {
+        $rawData = array(
+            \PHPExif\Mapper\Native::EXPOSURETIME => '2/800',
+        );
+
+        $mapped = $this->mapper->mapRawData($rawData);
+
+        $this->assertEquals('1/400', reset($mapped));
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataCorrectlyFormatsFocalLength()
+    {
+        $rawData = array(
+            \PHPExif\Mapper\Native::FOCALLENGTH => '30/5',
+        );
+
+        $mapped = $this->mapper->mapRawData($rawData);
+
+        $this->assertEquals(6, reset($mapped));
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataCorrectlyFormatsXResolution()
+    {
+        $rawData = array(
+            \PHPExif\Mapper\Native::XRESOLUTION => '1500/300',
+        );
+
+        $mapped = $this->mapper->mapRawData($rawData);
+
+        $this->assertEquals(1500, reset($mapped));
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataCorrectlyFormatsYResolution()
+    {
+        $rawData = array(
+            \PHPExif\Mapper\Native::YRESOLUTION => '1500/300',
+        );
+
+        $mapped = $this->mapper->mapRawData($rawData);
+
+        $this->assertEquals(1500, reset($mapped));
+    }
+
+    /**
+     * @group mapper
+     * @covers \PHPExif\Mapper\Native::mapRawData
+     */
+    public function testMapRawDataFlattensRawDataWithSections()
+    {
+        $rawData = array(
+            \PHPExif\Mapper\Native::SECTION_COMPUTED => array(
+                \PHPExif\Mapper\Native::TITLE => 'Hello',
+            ),
+            \PHPExif\Mapper\Native::HEADLINE => 'Headline',
+        );
+        $mapped = $this->mapper->mapRawData($rawData);
+        $this->assertCount(2, $mapped);
+        $keys = array_keys($mapped);
+
+        $expected = array(
+            \PHPExif\Mapper\Native::TITLE,
+            \PHPExif\Mapper\Native::HEADLINE
+        );
+        $this->assertEquals($expected, $keys);
+    }
+}