/**
* test theorical burndown generation.
*/
public function testGetTheoricalBurndown()
{
$sprint = new Sprint();
$duration = new \DateInterval('P14D');
$start = new \DateTime('2016-05-24');
$sprint->setStart($start);
$sprint->setDuration($duration);
$doneSP = $this->doneSPProvider();
$burndown = new StoryPointBurndown($sprint, 250.0, $doneSP, 25);
$theoricalBurndown = ['2016-05-24' => 250.0, '2016-05-25' => 225.0, '2016-05-26' => 200.0, '2016-05-27' => 175.0, '2016-05-30' => 150.0, '2016-05-31' => 125.0, '2016-06-01' => 100.0, '2016-06-02' => 75.0, '2016-06-03' => 50.0, '2016-06-06' => 25.0];
$this->assertEquals($theoricalBurndown, $burndown->getTheoreticalBurndown());
}
/**
* @return array|null
*/
public function getTheoreticalBurndown()
{
$theoreticalBurndown = [];
$theoreticalBurndown[$this->sprint->getStart()->format('Y-m-d')] = $this->totalSP;
$sprintDays = $this->sprint->getSprintDays();
if (!$sprintDays instanceof \DatePeriod) {
return;
}
foreach ($sprintDays as $day) {
if ($this->isWeekend($day)) {
continue;
}
$rest = end($theoreticalBurndown) != false ? end($theoreticalBurndown) : $this->totalSP;
$formatedDate = $this->formatDate($day);
$doneSP = $rest - $this->averageSP;
$theoreticalBurndown[$formatedDate] = round($doneSP, 2);
}
return $theoreticalBurndown;
}
/**
* @param double $totalOfSprint
* @param Sprint $sprint
*
* @return float
*/
public function getAverageStoryPointsPerDay(float $totalOfSprint, Sprint $sprint)
{
return round($totalOfSprint / $sprint->getTotalWorkDays(), 2);
}
/**
* Test total work days calculation.
*/
public function testGetTotalWorkDays()
{
$sprint = new Sprint();
$sprint->setStart(new \DateTime('2016-04-12'));
$sprint->setDuration($duration = new \DateInterval('P14D'));
$this->assertEquals(9, $sprint->getTotalWorkDays());
}
