perf: initial PHPBench integration

Makefile

@@ -5,8 +5,8 @@ endif
 QA_DOCKER_IMAGE=jakzal/phpqa:${BUILD_ENV}-alpine
 QA_DOCKER_COMMAND=docker run --init --interactive --tty --rm --env "COMPOSER_HOME=/composer" --user "$(shell id -u):$(shell id -g)" --volume /tmp/tmp-phpqa-$(shell id -u):/tmp --volume "$(shell pwd):/project" --volume "${HOME}/.composer:/composer" --workdir /project ${QA_DOCKER_IMAGE}
 
-dist: composer-validate cs phpstan psalm test
-ci: check test
+dist: composer-validate cs phpstan psalm test benchmark
+ci: check test benchmark
 check: composer-validate cs-check phpstan psalm
 test: phpunit-coverage infection
 
@@ -37,9 +37,12 @@ infection: phpunit-coverage
 phpunit-coverage: ensure
 	sh -c "${QA_DOCKER_COMMAND} phpdbg -qrr vendor/bin/phpunit --verbose --coverage-text --log-junit=var/phpunit.junit.xml --coverage-xml var/coverage-xml/"
 
-phpunit:
+phpunit: ensure
 	sh -c "${QA_DOCKER_COMMAND} phpunit --verbose"
 
+benchmark: ensure
+	sh -c "${QA_DOCKER_COMMAND} phpbench run --store --iterations=10 --report=aggregate"
+
 ensure:
 	mkdir -p ${HOME}/.composer /tmp/tmp-phpqa-$(shell id -u)
 

composer.json

@@ -34,6 +34,7 @@
     "require-dev": {
         "doctrine/annotations": "^1.6",
         "nicmart/tree": "^0.2, >= 0.2.4",
+        "phpbench/phpbench": "^0.14.0",
         "phpunit/phpunit": "^7.1",
         "symfony/console": "^3.0 | ^4.0",
         "symfony/property-access": "^3.0 | ^4.0",

phpbench.json.dist

@@ -0,0 +1,19 @@
+{
+    "bootstrap": "vendor/autoload.php",
+    "path": "tests/Xezilaires/Performance",
+
+    "retry_threshold": 5,
+    "progress": "dots",
+
+    "annotation_import_use": true,
+    "php_disable_ini": true,
+    "extensions": [
+        "PhpBench\\Extensions\\Dbal\\DbalExtension",
+        "PhpBench\\Extensions\\XDebug\\XDebugExtension"
+    ],
+    "storage": "dbal",
+    "storage.dbal.connection": {
+        "driver": "pdo_sqlite",
+        "path": "var/phpbench-history.db"
+    }
+}

tests/Xezilaires/FixtureLoaderTrait.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the xezilaires project.
+ *
+ * (c) Dalibor Karlović <dalibor@flexolabs.io>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Xezilaires\Test;
+
+/**
+ * Trait FixtureLoaderTrait.
+ */
+trait FixtureLoaderTrait
+{
+    /**
+     * @param string $name
+     *
+     * @return \SplFileObject
+     */
+    private function fixture(string $name): \SplFileObject
+    {
+        return new \SplFileObject(__DIR__.'/../../resources/fixtures/'.$name);
+    }
+}

tests/Xezilaires/Performance/PhpSpreadsheetIteratorConstructionBench.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the xezilaires project.
+ *
+ * (c) Dalibor Karlović <dalibor@flexolabs.io>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Xezilaires\Test\Performance;
+
+use PhpBench\Benchmark\Metadata\Annotations as Bench;
+use Xezilaires\Metadata\ColumnReference;
+use Xezilaires\Metadata\Mapping;
+use Xezilaires\PhpSpreadsheetIterator;
+use Xezilaires\Test\FixtureLoaderTrait;
+use Xezilaires\Test\Model\Product;
+
+/**
+ * @Bench\BeforeMethods({"setUp"})
+ */
+class PhpSpreadsheetIteratorConstructionBench
+{
+    use FixtureLoaderTrait;
+
+    /**
+     * @var \SplFileObject
+     */
+    private $fixture;
+
+    public function setUp(): void
+    {
+        $this->fixture = $this->fixture('products.xls');
+    }
+
+    /**
+     * @Bench\Assert(stat="mean", value="10")
+     * @Bench\Revs(1000)
+     */
+    public function benchIteratorConstruction(): void
+    {
+        new PhpSpreadsheetIterator(
+            $this->fixture,
+            new Mapping(
+                Product::class,
+                [
+                    'name' => new ColumnReference('A'),
+                    'price' => new ColumnReference('B'),
+                ],
+                [
+                    'start' => 2,
+                ]
+            )
+        );
+    }
+
+    /**
+     * @Bench\Assert(stat="mean", value="1500")
+     * @Bench\Revs(100)
+     */
+    public function benchIteratorIteration(): void
+    {
+        $iterator = new PhpSpreadsheetIterator(
+            $this->fixture,
+            new Mapping(
+                Product::class,
+                [
+                    'name' => new ColumnReference('A'),
+                    'price' => new ColumnReference('B'),
+                ],
+                [
+                    'start' => 2,
+                ]
+            )
+        );
+
+        iterator_to_array($iterator);
+    }
+}

tests/Xezilaires/PhpSpreadsheetIteratorTest.php

@@ -35,6 +35,7 @@
  */
 class PhpSpreadsheetIteratorTest extends TestCase
 {
+    use FixtureLoaderTrait;
     use IteratorMatcherTrait;
 
     public function testCanLoadFlatFixtureWithColumnReference(): void
@@ -289,16 +290,6 @@ public function testCanRewindIterator(): void
         static::assertEquals(0, $iterator->key());
     }
 
-    /**
-     * @param string $name
-     *
-     * @return \SplFileObject
-     */
-    private function fixture(string $name): \SplFileObject
-    {
-        return new \SplFileObject(__DIR__.'/../../resources/fixtures/'.$name);
-    }
-
     /**
      * @param string $name
      *