- Added tests for legenda position

1 files changed, 135 insertions, 0 deletions

diff --git a/tests/legend_test.php b/tests/legend_test.php
index 17f734e..9f46666 100644
--- a/tests/legend_test.php
+++ b/tests/legend_test.php
@@ -22,6 +22,49 @@ class ezcGraphLegendTest extends ezcTestCase
 		return new ezcTestSuite( "ezcGraphLegendTest" );
 	}
 
+    protected function setUp()
+    {
+        static $i = 0;
+
+        $this->tempDir = $this->createTempDir( __CLASS__ . sprintf( '_%03d_', ++$i ) ) . '/';
+        $this->basePath = dirname( __FILE__ ) . '/data/';
+    }
+
+    protected function tearDown()
+    {
+        if ( !$this->hasFailed() )
+        {
+            $this->removeTempDir();
+        }
+    }
+
+    /**
+     * Compares a generated image with a stored file
+     * 
+     * @param string $generated Filename of generated image
+     * @param string $compare Filename of stored image
+     * @return void
+     */
+    protected function compare( $generated, $compare )
+    {
+        $this->assertTrue(
+            file_exists( $generated ),
+            'No image file has been created.'
+        );
+
+        $this->assertTrue(
+            file_exists( $compare ),
+            'Comparision image does not exist.'
+        );
+
+        if ( md5_file( $generated ) !== md5_file( $compare ) )
+        {
+            // Adding a diff makes no sense here, because created XML uses
+            // only two lines
+            $this->fail( 'Rendered image is not correct.');
+        }
+    }
+
     protected function addSampleData( ezcGraphChart $chart )
     {
         $chart->data['sampleData'] = array( 'sample 1' => 234, 'sample 2' => 21, 'sample 3' => 324, 'sample 4' => 120, 'sample 5' => 1);
@@ -86,5 +129,97 @@ class ezcGraphLegendTest extends ezcTestCase
             $chart->legend->position
         );
     }
+
+    public function testLeftLegend()
+    {
+        $filename = $this->tempDir . __FUNCTION__ . '.svg';
+
+        $chart = new ezcGraphPieChart();
+        $chart->data['sample'] = new ezcGraphArrayDataSet( array(
+            'Mozilla' => 4375,
+            'IE' => 345,
+            'Opera' => 1204,
+            'wget' => 231,
+            'Safari' => 987,
+        ) );
+
+        $chart->legend->position = ezcGraph::LEFT;
+
+        $chart->render( 500, 200, $filename );
+
+        $this->compare(
+            $filename,
+            $this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg'
+        );
+    }
+
+    public function testRightLegend()
+    {
+        $filename = $this->tempDir . __FUNCTION__ . '.svg';
+
+        $chart = new ezcGraphPieChart();
+        $chart->data['sample'] = new ezcGraphArrayDataSet( array(
+            'Mozilla' => 4375,
+            'IE' => 345,
+            'Opera' => 1204,
+            'wget' => 231,
+            'Safari' => 987,
+        ) );
+
+        $chart->legend->position = ezcGraph::RIGHT;
+
+        $chart->render( 500, 200, $filename );
+
+        $this->compare(
+            $filename,
+            $this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg'
+        );
+    }
+
+    public function testTopLegend()
+    {
+        $filename = $this->tempDir . __FUNCTION__ . '.svg';
+
+        $chart = new ezcGraphPieChart();
+        $chart->data['sample'] = new ezcGraphArrayDataSet( array(
+            'Mozilla' => 4375,
+            'IE' => 345,
+            'Opera' => 1204,
+            'wget' => 231,
+            'Safari' => 987,
+        ) );
+
+        $chart->legend->position = ezcGraph::TOP;
+
+        $chart->render( 500, 200, $filename );
+
+        $this->compare(
+            $filename,
+            $this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg'
+        );
+    }
+
+    public function testBottomLegend()
+    {
+        $filename = $this->tempDir . __FUNCTION__ . '.svg';
+
+        $chart = new ezcGraphPieChart();
+        $chart->data['sample'] = new ezcGraphArrayDataSet( array(
+            'Mozilla' => 4375,
+            'IE' => 345,
+            'Opera' => 1204,
+            'wget' => 231,
+            'Safari' => 987,
+        ) );
+
+        $chart->legend->position = ezcGraph::BOTTOM;
+
+        $chart->render( 500, 200, $filename );
+
+        $this->compare(
+            $filename,
+            $this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg'
+        );
+    }
 }
 ?>