/**
* @covers \Altamira\ChartRenderer::__construct
* @covers \Altamira\ChartRenderer::getInstance
* @covers \Altamira\ChartRenderer::pushRenderer
* @covers \Altamira\ChartRenderer::render
* @covers \Altamira\ChartRenderer::reset
* @covers \Altamira\ChartRenderer::unshiftRenderer
*/
public function testChartRenderer()
{
$method = new ReflectionMethod('\\Altamira\\ChartRenderer', '__construct');
$this->assertTrue($method->isProtected(), '\\Altamira\\ChartRenderer should implement singleton design pattern');
$styleOptions = array('float' => 'left', 'border' => '1px solid #cccccc');
$mockChart = $this->getMock('\\Altamira\\Chart', array('getLibrary', 'getName', 'getTitle'), array('Mock Chart'));
$mockChart->expects($this->any())->method('getLibrary')->will($this->returnValue('flot'));
$mockChart->expects($this->any())->method('getName')->will($this->returnValue('foo'));
$mockChart->expects($this->any())->method('getTitle')->will($this->returnValue('foo'));
$expectedStyle = 'float: left; border: 1px solid #cccccc; ';
$defaultOutput = \Altamira\ChartRenderer::render($mockChart, $styleOptions);
$expectedOutput = <<<ENDOUTPUT
<div class="flot" id="foo" style="{$expectedStyle}"></div>
ENDOUTPUT;
$this->assertEquals($expectedOutput, $defaultOutput, '\\Altamira\\ChartRenderer::render() should render the chart using only \\Altamira\\ChartRenderer\\DefaultRenderer by default');
$getInstanceMethod = new ReflectionMethod('\\Altamira\\ChartRenderer', 'getInstance');
$getInstanceMethod->setAccessible(true);
$instance = $getInstanceMethod->invoke(null);
$this->assertEquals($instance, \Altamira\ChartRenderer::pushRenderer('\\Altamira\\ChartRenderer\\TitleRenderer'), '\\Altamira\\ChartRenderer::pushRenderer should provide a fluent interface');
$exception = null;
try {
\Altamira\ChartRenderer::pushRenderer('\\Altamira\\Chart');
} catch (Exception $exception) {
}
$this->assertInstanceOf('UnexpectedValueException', $exception);
$exception = null;
try {
\Altamira\ChartRenderer::unshiftRenderer('\\Altamira\\Chart');
} catch (Exception $exception) {
}
$this->assertInstanceOf('UnexpectedValueException', $exception);
$rendererChain = new ReflectionProperty('\\Altamira\\ChartRenderer', 'rendererChain');
$rendererChain->setAccessible('true');
$this->assertEquals(array('\\Altamira\\ChartRenderer\\DefaultRenderer', '\\Altamira\\ChartRenderer\\TitleRenderer'), $rendererChain->getValue($instance), '\\Altamira\\ChartRenderer::pushRenderer should add the renderer to the end of the renderer chain');
$fullExpectedOutput = <<<ENDOUTPUT
<div class="altamira-chart-title">
<h3>foo</h3>
<div class="flot" id="foo" style="{$expectedStyle}"></div></div>
ENDOUTPUT;
$this->assertEquals($fullExpectedOutput, \Altamira\ChartRenderer::render($mockChart, $styleOptions), '\\Alamira\\ChartRenderer::render() should take a nested approach to parsing, ' . 'prerendering from the top of the stack to the bottom, and postrendering from the bottom to the top.');
\Altamira\ChartRenderer::reset();
$this->assertEmpty($rendererChain->getValue($instance), '\\Altamira\\ChartRenderer::reset() should empty the renderer chain');
\Altamira\ChartRenderer::unshiftRenderer('\\Altamira\\ChartRenderer\\DefaultRenderer');
\Altamira\ChartRenderer::unshiftRenderer('\\Altamira\\ChartRenderer\\TitleRenderer');
$this->assertEquals(array('\\Altamira\\ChartRenderer\\TitleRenderer', '\\Altamira\\ChartRenderer\\DefaultRenderer'), $rendererChain->getValue($instance), '\\Altamira\\ChartRenderer::pushRenderer should add the renderer to the beginning of the renderer chain');
$method = new ReflectionMethod('\\Altamira\\ChartRenderer', 'getInstance');
$method->setAccessible(true);
$property = new ReflectionProperty('\\Altamira\\ChartRenderer', 'instance');
$mockChartRenderer = $this->getMockBuilder('\\Altamira\\ChartRenderer')->disableOriginalConstructor()->getMock();
$property->setAccessible(true);
$property->setValue(null);
$this->assertInstanceOf('\\Altamira\\ChartRenderer', $method->invoke($mockChartRenderer));
$property = new ReflectionProperty('\\Altamira\\ChartRenderer', 'rendererChain');
$property->setAccessible(true);
$property->setValue(array());
\Altamira\ChartRenderer::render($mockChart);
$this->assertNotEmpty($property->getValue(), '\\Altamira\\ChartRenderer should push a default renderer by default if it has no renderers set');
}
