Bex\Behat\StepTimeLoggerExtension\Service\StepTimeLogger

Complexity

Total Complexity

8

Size/Duplication

Total Lines	84
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	logStepStarted()	0	5	1
A	logStepFinished()	0	4	1
A	clearLogs()	0	5	1
A	getCalledCounts()	0	4	1
A	getAvegrageExecutionTimes()	0	12	2
A	executionInformationGenerator()	0	13	2

<?php

namespace Bex\Behat\StepTimeLoggerExtension\Service;

class StepTimeLogger
{
    /**
     * @var float
     */
    private $lastStepStartTime;

    /**
     * @var array
     */
    private $calledSteps = [];

    /**
     * @var array
     */
    private $executionTimes = [];

    /**
     * @param string $stepName
     */
    public function logStepStarted($stepName)
    {
        $this->calledSteps[] = $stepName;
        $this->lastStepStartTime = microtime(true);
    }

    /**
     * @param string $stepName
     */
    public function logStepFinished($stepName)
    {
        $this->executionTimes[$stepName][] = round(microtime(true) - $this->lastStepStartTime, 5);
    }

    /**
     * @return void
     */
    public function clearLogs()
    {
        $this->calledSteps = [];
        $this->executionTimes = [];
    }

    /**
     * @return array
     */
    public function getCalledCounts()
    {
        return array_count_values($this->calledSteps);
    }

    /**
     * @return array
     */
    public function getAvegrageExecutionTimes()
    {
        $avgTimes = [];

        foreach ($this->executionTimes as $stepName => $executionTimes) {
            $avgTimes[$stepName] = array_sum($executionTimes) / count($executionTimes);
        }

        arsort($avgTimes);

        return $avgTimes;
    }

    /**
     * @return \Generator
     */
    public function executionInformationGenerator()
    {
        foreach ($this->executionTimes as $stepName => $executionTimes) {
            $totalExecutions = count($executionTimes);
            $avgExecutionTime = array_sum($executionTimes) / $totalExecutions;

            yield $stepName => [
                'avg_execution_time' => $avgExecutionTime,
                'total_executions' => $totalExecutions,
                'total_cost' => $avgExecutionTime * $totalExecutions
            ];
        }
    }
}