minor #4264 DX: AutoReview - ensure Travis handle all needed PHP versions (keradus)

This PR was squashed before being merged into the 2.12 branch (closes #4264).

Discussion
----------

DX: AutoReview - ensure Travis handle all needed PHP versions

Commits
-------

a1d7595 DX: AutoReview - ensure Travis handle all needed PHP versions

Author: keradus

.travis.yml

@@ -145,7 +145,7 @@ jobs:
 
         -
             stage: Deployment
-            php: 7.1
+            php: 7.3
             install: ./dev-tools/build.sh
             script:
                 - PHP_CS_FIXER_TEST_ALLOW_SKIPPING_SMOKE_TESTS=0 vendor/bin/phpunit tests/Smoke/

composer.json

@@ -40,9 +40,10 @@
         "php-cs-fixer/accessible-object": "^1.0",
         "php-cs-fixer/phpunit-constraint-isidenticalstring": "^1.1",
         "php-cs-fixer/phpunit-constraint-xmlmatchesxsd": "^1.1",
-        "phpunit/phpunit": "^5.7.27 || ^6.5.8 || ^7.1",
-        "phpunitgoodpractices/traits": "^1.8",
-        "symfony/phpunit-bridge": "^4.3"
+        "phpunit/phpunit": "^5.7.27 || ^6.5.14 || ^7.1",
+        "phpunitgoodpractices/traits": "^1.5.1",
+        "symfony/phpunit-bridge": "^4.0",
+        "symfony/yaml": "^3.0 || ^4.0"
     },
     "suggest": {
         "ext-mbstring": "For handling non-UTF8 characters in cache signature.",

tests/AutoReview/TravisTest.php

@@ -0,0 +1,140 @@
+<?php
+
+/*
+ * This file is part of PHP CS Fixer.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace PhpCsFixer\Tests\AutoReview;
+
+use PhpCsFixer\Preg;
+use PhpCsFixer\Tests\TestCase;
+use PhpCsFixer\Tokenizer\Tokens;
+use PHPUnit\Framework\Constraint\TraversableContains;
+use Symfony\Component\Yaml\Yaml;
+
+/**
+ * @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
+ *
+ * @internal
+ *
+ * @coversNothing
+ * @group auto-review
+ * @group covers-nothing
+ */
+final class TravisTest extends TestCase
+{
+    public function testTestJobsRunOnEachPhp()
+    {
+        $expectedVersions = [];
+        $expectedMinPhp = (float) $this->getMinPhpVersionFromEntryFile();
+        $expectedMaxPhp = (float) $this->getMaxPhpVersionFromEntryFile();
+
+        if ($expectedMinPhp < 7) {
+            $expectedMinPhp = 7;
+            $expectedVersions[] = '5.6';
+        }
+
+        for ($version = $expectedMinPhp; $version <= $expectedMaxPhp; $version += 0.1) {
+            $expectedVersions[] = sprintf('%.1f', $version);
+        }
+
+        $jobs = array_filter($this->getTravisJobs(), function ($job) {
+            return false !== strpos($job['stage'], 'Test');
+        });
+        static::assertGreaterThanOrEqual(1, \count($jobs));
+
+        $versions = array_map(function ($job) {
+            return $job['php'];
+        }, $jobs);
+
+        foreach ($expectedVersions as $expectedVersion) {
+            static::assertContains($expectedVersion, $versions);
+        }
+
+        if (!class_exists(TraversableContains::class)) {
+            static::markTestSkipped('TraversableContains not available.');
+        }
+
+        static::assertThat($versions, static::logicalOr(
+            new TraversableContains('nightly'),
+            new TraversableContains(sprintf('%.1fsnapshot', end($expectedVersions) + 0.1))
+        ));
+    }
+
+    public function testDeploymentJobsRunOnLatestPhp()
+    {
+        $jobs = array_filter($this->getTravisJobs(), function ($job) {
+            return 'Deployment' === $job['stage'];
+        });
+        static::assertGreaterThanOrEqual(1, \count($jobs));
+
+        $expectedPhp = $this->getMaxPhpVersionFromEntryFile();
+
+        foreach ($jobs as $job) {
+            $jobPhp = (string) $job['php'];
+            static::assertTrue(
+                version_compare($expectedPhp, $jobPhp, 'eq'),
+                sprintf('Expects %s to be %s', $jobPhp, $expectedPhp)
+            );
+        }
+    }
+
+    private function convertPhpVerIdToNiceVer($verId)
+    {
+        $matchResult = Preg::match('/^(?<major>\d{1,2})(?<minor>\d{2})(?<patch>\d{2})$/', $verId, $capture);
+        if (1 !== $matchResult) {
+            throw new \LogicException("Can't parse version id.");
+        }
+
+        return sprintf('%d.%d', $capture['major'], $capture['minor']);
+    }
+
+    private function getMaxPhpVersionFromEntryFile()
+    {
+        $tokens = Tokens::fromCode(file_get_contents(__DIR__.'/../../php-cs-fixer'));
+        $sequence = $tokens->findSequence([
+            [T_STRING, 'PHP_VERSION_ID'],
+            [T_IS_GREATER_OR_EQUAL],
+            [T_LNUMBER],
+        ]);
+
+        if (null === $sequence) {
+            throw new \LogicException("Can't find version - perhaps entry file was modified?");
+        }
+
+        $phpVerId = end($sequence)->getContent();
+
+        return $this->convertPhpVerIdToNiceVer((string) ($phpVerId - 100));
+    }
+
+    private function getMinPhpVersionFromEntryFile()
+    {
+        $tokens = Tokens::fromCode(file_get_contents(__DIR__.'/../../php-cs-fixer'));
+        $sequence = $tokens->findSequence([
+            [T_STRING, 'PHP_VERSION_ID'],
+            '<',
+            [T_LNUMBER],
+        ]);
+
+        if (null === $sequence) {
+            throw new \LogicException("Can't find version - perhaps entry file was modified?");
+        }
+
+        $phpVerId = end($sequence)->getContent();
+
+        return $this->convertPhpVerIdToNiceVer($phpVerId);
+    }
+
+    private function getTravisJobs()
+    {
+        $yaml = Yaml::parse(file_get_contents(__DIR__.'/../../.travis.yml'));
+
+        return $yaml['jobs']['include'];
+    }
+}