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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
use Piwik\DataTable\Filter\ExcludeLowPopulation;
use Piwik\DataTable;
use Piwik\DataTable\Row;
class DataTable_Filter_ExcludeLowPopulationTest extends PHPUnit_Framework_TestCase
{
protected function getTestDataTable()
{
$table = new DataTable;
$table->addRowsFromArray(
array(
array(Row::COLUMNS => array('label' => 'zero', 'count' => 0)),
array(Row::COLUMNS => array('label' => 'one', 'count' => 1)),
array(Row::COLUMNS => array('label' => 'onedotfive', 'count' => 1.5)),
array(Row::COLUMNS => array('label' => 'ten', 'count' => 10)),
array(Row::COLUMNS => array('label' => 'ninety', 'count' => 90)),
array(Row::COLUMNS => array('label' => 'hundred', 'count' => 100)),
)
);
return $table;
}
/**
* @group Core
**/
public function testStandardTable()
{
$table = $this->getTestDataTable();
$filter = new ExcludeLowPopulation($table, 'count', 1.1);
$filter->filter($table);
$this->assertEquals(4, $table->getRowsCount());
$this->assertEquals(array(1.5, 10, 90, 100), $table->getColumn('count'));
}
/**
* @group Core
**/
public function testFilterEqualOneDoesFilter()
{
$table = $this->getTestDataTable();
$filter = new ExcludeLowPopulation($table, 'count', 1);
$filter->filter($table);
$this->assertEquals(5, $table->getRowsCount());
}
/**
* @group Core
**/
public function testFilterEqualZeroDoesFilter()
{
$table = $this->getTestDataTable();
$filter = new ExcludeLowPopulation($table, 'count', 0);
$filter->filter($table);
$this->assertEquals(3, $table->getRowsCount());
$this->assertEquals(array(10, 90, 100), $table->getColumn('count'));
}
/**
* @group Core
*/
public function testFilterSpecifyExcludeLowPopulationThresholdDoesFilter()
{
$table = $this->getTestDataTable();
$filter = new ExcludeLowPopulation($table, 'count', 0, 0.4); //40%
$filter->filter($table);
$this->assertEquals(2, $table->getRowsCount());
$this->assertEquals(array(90, 100), $table->getColumn('count'));
}
/**
* Test to exclude low population filter
*
* @group Core
*/
public function testFilterLowpop1()
{
$idcol = Row::COLUMNS;
$table = new DataTable();
$rows = array(
array($idcol => array('label' => 'google', 'nb_visits' => 897)), //0
array($idcol => array('label' => 'ask', 'nb_visits' => -152)), //1
array($idcol => array('label' => 'piwik', 'nb_visits' => 1.5)), //2
array($idcol => array('label' => 'piwik2', 'nb_visits' => 1.4)), //2
array($idcol => array('label' => 'yahoo', 'nb_visits' => 154)), //3
array($idcol => array('label' => 'amazon', 'nb_visits' => 30)), //4
array($idcol => array('label' => '238949', 'nb_visits' => 0)), //5
array($idcol => array('label' => 'Q*(%&*', 'nb_visits' => 1)), //6
array($idcol => array('label' => 'Q*(%&*2', 'nb_visits' => -1.5)), //6
);
$table->addRowsFromArray($rows);
$expectedtable = new DataTable();
$rows = array(
array($idcol => array('label' => 'google', 'nb_visits' => 897)), //0
array($idcol => array('label' => 'piwik', 'nb_visits' => 1.5)), //2
array($idcol => array('label' => 'piwik2', 'nb_visits' => 1.4)), //2
array($idcol => array('label' => 'yahoo', 'nb_visits' => 154)), //3
array($idcol => array('label' => 'amazon', 'nb_visits' => 30)), //4
);
$expectedtable->addRowsFromArray($rows);
$filter = new ExcludeLowPopulation($table, 'nb_visits', 1.4);
$filter->filter($table);
$this->assertTrue(DataTable::isEqual($table, $expectedtable));
}
}
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