Merge pull request #870 from zeroedin-bill/performance-testcase

Add base performance testcase and initial TypeConversionPerformanceTest

phpunit.xml.dist

@@ -46,6 +46,20 @@
     <testsuites>
         <testsuite name="Doctrine DBAL Test Suite">
             <directory>./tests/Doctrine/Tests/DBAL</directory>
+            <exclude>./tests/Doctrine/Tests/DBAL/Performance</exclude>
+        </testsuite>
+        <testsuite name="Doctrine DBAL Performance Test Suite">
+            <directory>./tests/Doctrine/Tests/DBAL/Performance</directory>
         </testsuite>
     </testsuites>
+
+    <listeners>
+        <listener class="Doctrine\Tests\DbalPerformanceTestListener"/>
+    </listeners>
+
+    <groups>
+        <exclude>
+            <group>performance</group>
+        </exclude>
+    </groups>
 </phpunit>
\ No newline at end of file

tests/Doctrine/Tests/DBAL/Performance/TypeConversionPerformanceTest.php

+<?php
+
+namespace Doctrine\Tests\DBAL\Performance;
+
+use Doctrine\DBAL\Types\Type;
+use Doctrine\Tests\DbalPerformanceTestCase;
+
+/**
+ * Class TypeConversionPerformanceTest
+ * @package Doctrine\Tests\DBAL\Performance
+ * @author Bill Schaller
+ * @group performance
+ */
+class TypeConversionPerformanceTest extends DbalPerformanceTestCase
+{
+    /**
+     * @throws \Doctrine\DBAL\DBALException
+     * @dataProvider itemCountProvider
+     */
+    public function testDateTimeTypeConversionPerformance($count)
+    {
+        $value = new \DateTime;
+        $type = Type::getType("datetime");
+        $platform = $this->_conn->getDatabasePlatform();
+        $this->startTiming();
+        for ($i = 0; $i < $count; $i++) {
+            $type->convertToDatabaseValue($value, $platform);
+        }
+        $this->stopTiming();
+    }
+
+    public function itemCountProvider()
+    {
+        return [
+            '100 items' => [100],
+            '1000 items' => [1000],
+            '10000 items' => [10000],
+            '100000 items' => [100000],
+        ];
+    }
+}

tests/Doctrine/Tests/DbalPerformanceTestCase.php

+<?php
+
+namespace Doctrine\Tests;
+
+/**
+ * Base class for all DBAL performance tests.
+ * 
+ * Tests implemented in this class must call startTiming at the beginning
+ * and stopTiming at the end of all tests. Tests that do not start or stop
+ * timing will fail.
+ *
+ * @package Doctrine\Tests\DBAL
+ * @author Bill Schaller
+ */
+class DbalPerformanceTestCase extends DbalFunctionalTestCase
+{
+    /**
+     * time the test started
+     *
+     * @var float
+     */
+    private $startTime;
+
+    /**
+     * elapsed run time of the last test
+     *
+     * @var float
+     */
+    private $runTime;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function assertPostConditions()
+    {
+        // If a perf test doesn't start or stop, it fails.
+        $this->assertNotNull($this->startTime, "Test timing was started");
+        $this->assertNotNull($this->runTime, "Test timing was stopped");
+    }
+
+    /**
+     * begin timing
+     */
+    protected function startTiming()
+    {
+        $this->startTime = microtime(true);
+    }
+
+    /**
+     * end timing
+     */
+    protected function stopTiming()
+    {
+        $this->runTime = microtime(true) - $this->startTime;
+    }
+
+    /**
+     * @return float elapsed test execution time
+     */
+    public function getTime()
+    {
+        return $this->runTime;
+    }
+}

tests/Doctrine/Tests/DbalPerformanceTestListener.php

+<?php
+
+namespace Doctrine\Tests;
+
+/**
+ * Listener for collecting and reporting results of performance tests
+ *
+ * @author Bill Schaller
+ */
+class DbalPerformanceTestListener extends \PHPUnit_Framework_BaseTestListener
+{
+    private $timings = [];
+
+    /**
+     * {@inheritdoc}
+     */
+    public function endTest(\PHPUnit_Framework_Test $test, $time)
+    {
+        // This listener only applies to performance tests.
+        if ($test instanceof \Doctrine\Tests\DbalPerformanceTestCase)
+        {
+            // we identify perf tests by class, method, and dataset
+            $class = str_replace('Doctrine\Tests\DBAL\Performance\\', '', get_class($test));
+
+            if (!isset($this->timings[$class])) {
+                $this->timings[$class] = [];
+            }
+
+            // Store timing data for each test in the order they were run.
+            $this->timings[$class][$test->getName(true)] = $test->getTime();
+        }
+    }
+
+    /**
+     * Report performance test timings.
+     *
+     * Note: __destruct is used here because PHPUnit doesn't have a
+     * 'All tests over' hook.
+     */
+    public function __destruct()
+    {
+        if (!empty($this->timings)) {
+            // Report timings.
+            print("\nPerformance test results:\n\n");
+
+            foreach($this->timings as $class => $tests) {
+                printf("%s:\n", $class);
+                foreach($tests as $test => $time) {
+                    printf("\t%s: %.3f seconds\n", $test, $time);
+                }
+            }
+        }
+    }
+}