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|
<?php
/**
* ezcGraphLogarithmicalAxisTest
*
* @package Graph
* @version //autogen//
* @subpackage Tests
* @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved.
* @license http://ez.no/licenses/new_bsd New BSD License
*/
require_once dirname( __FILE__ ) . '/test_case.php';
/**
* Tests for ezcGraph class.
*
* @package ImageAnalysis
* @subpackage Tests
*/
class ezcGraphLogarithmicalAxisTest extends ezcGraphTestCase
{
protected $basePath;
protected $tempDir;
public static function suite()
{
return new PHPUnit_Framework_TestSuite( "ezcGraphLogarithmicalAxisTest" );
}
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();
}
}
public function testChartElementLogarithmicalAxisPropertyMin()
{
$options = new ezcGraphChartElementLogarithmicalAxis();
$this->assertSame(
null,
$options->min,
'Wrong default value for property min in class ezcGraphChartElementLogarithmicalAxis'
);
$options->min = 1;
$this->assertSame(
1.,
$options->min,
'Setting property value did not work for property min in class ezcGraphChartElementLogarithmicalAxis'
);
try
{
$options->min = false;
}
catch ( ezcBaseValueException $e )
{
return true;
}
$this->fail( 'Expected ezcBaseValueException.' );
}
public function testChartElementLogarithmicalAxisPropertyMax()
{
$options = new ezcGraphChartElementLogarithmicalAxis();
$this->assertSame(
null,
$options->max,
'Wrong default value for property max in class ezcGraphChartElementLogarithmicalAxis'
);
$options->max = 1;
$this->assertSame(
1.,
$options->max,
'Setting property value did not work for property max in class ezcGraphChartElementLogarithmicalAxis'
);
try
{
$options->max = false;
}
catch ( ezcBaseValueException $e )
{
return true;
}
$this->fail( 'Expected ezcBaseValueException.' );
}
public function testChartElementLogarithmicalAxisPropertyBase()
{
$options = new ezcGraphChartElementLogarithmicalAxis();
$this->assertSame(
10,
$options->base,
'Wrong default value for property base in class ezcGraphChartElementLogarithmicalAxis'
);
$options->base = M_E;
$this->assertSame(
M_E,
$options->base,
'Setting property value did not work for property base in class ezcGraphChartElementLogarithmicalAxis'
);
try
{
$options->base = false;
}
catch ( ezcBaseValueException $e )
{
return true;
}
$this->fail( 'Expected ezcBaseValueException.' );
}
public function testChartElementLogarithmicalAxisPropertyFormatString()
{
$options = new ezcGraphChartElementLogarithmicalAxis();
$this->assertSame(
'%1$d^%2$d',
$options->logarithmicalFormatString,
'Wrong default value for property logarithmicalFormatString in class ezcGraphChartElementLogarithmicalAxis'
);
$options->logarithmicalFormatString = '%2$.2f^%1$d';
$this->assertSame(
'%2$.2f^%1$d',
$options->logarithmicalFormatString,
'Setting property value did not work for property logarithmicalFormatString in class ezcGraphChartElementLogarithmicalAxis'
);
}
public function testManualScaling()
{
$chart = new ezcGraphLineChart();
$chart->yAxis->min = -5;
$chart->yAxis->max = 5;
$chart->yAxis->majorStep = 2;
$chart->yAxis->minorStep = 1;
$this->assertEquals(
-5.,
$chart->yAxis->min
);
$this->assertEquals(
5.,
$chart->yAxis->max
);
$this->assertEquals(
2.,
$chart->yAxis->majorStep
);
$this->assertEquals(
1.,
$chart->yAxis->minorStep
);
}
public function testAutomagicScalingMultiple()
{
$chart = new ezcGraphLineChart();
$chart->yAxis = new ezcGraphChartElementLogarithmicalAxis();
$chart->data['sample'] = new ezcGraphArrayDataSet( array( .003, 12, 43, 1023, .02, 1.5 ) );
$chart->render( 500, 300 );
$this->assertEquals(
-3,
$chart->yAxis->min,
'As value for: min; '
);
$this->assertEquals(
4,
$chart->yAxis->max,
'As value for: max; '
);
$this->assertEquals(
1,
$chart->yAxis->majorStep,
'As value for: majorStep; '
);
$this->assertEquals(
1,
$chart->yAxis->minorStep,
'As value for: minorStep; '
);
}
public function testAutomagicScalingException()
{
$chart = new ezcGraphLineChart();
$chart->yAxis = new ezcGraphChartElementLogarithmicalAxis();
try
{
$chart->data['sample'] = new ezcGraphArrayDataSet( array( .003, 12, 43, 1023, .02, -1.5 ) );
$chart->render( 500, 300 );
}
catch ( ezcGraphOutOfLogithmicalBoundingsException $e )
{
return true;
}
$this->fail( 'Expect ezcGraphOutOfLogithmicalBoundingsException.' );
}
public function testAutomagicScalingValues()
{
$chart = new ezcGraphLineChart();
$chart->yAxis = new ezcGraphChartElementLogarithmicalAxis();
$chart->data['sample'] = new ezcGraphArrayDataSet( array( .03, 12, 43, 1023, .02, 1.5, 9823 ) );
$chart->render( 500, 300 );
$this->assertEquals(
-2,
$chart->yAxis->min,
'As value for: min; '
);
$this->assertEquals(
4,
$chart->yAxis->max,
'As value for: max; '
);
$this->assertEquals(
$chart->yAxis->getCoordinate( .01 ),
1,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( .1 ),
.833,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 1 ),
.667,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 10 ),
.5,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 100 ),
.333,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 1000 ),
.167,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 10000 ),
0,
'Wrong value calculated on logarithmical axis.',
.001
);
}
public function testAutomagicScalingValuesBase2()
{
$chart = new ezcGraphLineChart();
$chart->yAxis = new ezcGraphChartElementLogarithmicalAxis();
$chart->yAxis->base = 2;
$chart->data['sample'] = new ezcGraphArrayDataSet( array( .03, 12, 43, 1023, .02, 1.5, 3823 ) );
$chart->render( 500, 300 );
$this->assertEquals(
-6,
$chart->yAxis->min,
'As value for: min; '
);
$this->assertEquals(
12,
$chart->yAxis->max,
'As value for: max; '
);
$this->assertEquals(
$chart->yAxis->getCoordinate( .015625 ),
1,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( .125 ),
.833,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 1 ),
.667,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 8 ),
.5,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 64 ),
.333,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 512 ),
.167,
'Wrong value calculated on logarithmical axis.',
.001
);
$this->assertEquals(
$chart->yAxis->getCoordinate( 4096 ),
0,
'Wrong value calculated on logarithmical axis.',
.001
);
}
public function testRenderCompleteImage()
{
$filename = $this->tempDir . __FUNCTION__ . '.svg';
$chart = new ezcGraphLineChart();
$chart->palette = new ezcGraphPaletteEz();
$chart->title = 'Function x^2 with logarithmical axis scaling';
$chart->legend = false;
$chart->xAxis = new ezcGraphChartElementNumericAxis();
$chart->yAxis = new ezcGraphChartElementLogarithmicalAxis();
$chart->yAxis->logarithmicalFormatString = '^%2$d';
$chart->yAxis->label = 'Base 10';
$values = array();
for ( $x = -50; $x <= 50; $x += 1 )
{
$values[$x] = $x * $x + .01;
}
$chart->data['x^2'] = new ezcGraphArrayDataSet( $values );
$chart->data['x^2']->symbol = ezcGraph::NO_SYMBOL;
$chart->render( 400, 200, $filename );
$this->compare(
$filename,
$this->basePath . 'compare/' . __CLASS__ . '_' . __FUNCTION__ . '.svg'
);
}
}
?>
|
