[WIP] Composer Update Notice Hook

.travis.yml

@@ -42,6 +42,7 @@ before_install:
   - if [ "${TRAVIS_PHP_VERSION}" == "5.3" ]; then composer remove --no-update --dev satooshi/php-coveralls; fi;
   - if [ "${TRAVIS_PHP_VERSION}" != "hhvm" ]; then echo "memory_limit = -1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi;
   - if [ "${SYMFONY_VERSION:0:3}" == "2.3" ]; then composer remove --dev friendsofphp/php-cs-fixer --no-update; fi;
+  - if [ "${SYMFONY_VERSION:0:3}" == "2.3" ]; then composer remove --dev composer/composer --no-update; fi;
   - if [ "${TRAVIS_PHP_VERSION}" != "hhvm" ] && [ "${TRAVIS_PHP_VERSION}" != "5.3" ]; then composer require --dev league/flysystem:~1.0 --no-update; fi;
   - if [ "${TRAVIS_PHP_VERSION}" != "hhvm" ] && [ "${TRAVIS_PHP_VERSION:0:1}" != "7" ]; then composer require --dev doctrine/mongodb-odm:~1.0 --no-update; yes "" | pecl -q install -f mongo; fi;
   - if [ "${SYMFONY_VERSION:-x}" != "x" ]; then composer require "symfony/symfony:${SYMFONY_VERSION}" --no-update; fi;

Tests/Utils/Composer/BufferedIO.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the `liip/LiipImagineBundle` project.
+ *
+ * (c) https://github.com/liip/LiipImagineBundle/graphs/contributors
+ *
+ * For the full copyright and license information, please view the LICENSE.md
+ * file that was distributed with this source code.
+ */
+
+namespace Liip\ImagineBundle\Tests\Utils\Composer;
+
+use Composer\IO\IOInterface;
+
+abstract class BufferedIO implements IOInterface
+{
+    private $buffer = array();
+
+    public function write($messages, $newline = true, $verbosity = self::NORMAL)
+    {
+        $this->buffer = array_merge($this->buffer, (array) $messages);
+    }
+
+    public function askConfirmation($question, $default = true)
+    {
+        $this->buffer[] = $question;
+    }
+
+    public function getBuffer()
+    {
+        return $this->buffer;
+    }
+}

Tests/Utils/Composer/UpgradeNoticeTest.php

@@ -0,0 +1,149 @@
+<?php
+
+/*
+ * This file is part of the `liip/LiipImagineBundle` project.
+ *
+ * (c) https://github.com/liip/LiipImagineBundle/graphs/contributors
+ *
+ * For the full copyright and license information, please view the LICENSE.md
+ * file that was distributed with this source code.
+ */
+
+namespace Liip\ImagineBundle\Tests\Utils\Composer;
+
+use Composer\Composer;
+use Composer\IO\IOInterface;
+use Composer\Package\RootPackageInterface;
+use Composer\Script\Event;
+use Liip\ImagineBundle\Utils\Composer\UpgradeNotice;
+
+/**
+ * @covers \Liip\ImagineBundle\Utils\Composer\ConsoleIO
+ * @covers \Liip\ImagineBundle\Utils\Composer\UpgradeNotice
+ */
+class UpgradeNoticeTest extends \PHPUnit_Framework_TestCase
+{
+    public static function setUpBeforeClass()
+    {
+        if (false === version_compare(PHP_VERSION, '5.4', '>=')
+         || false === interface_exists('\Composer\IO\IOInterface')) {
+            static::markTestSkipped('"PHP 5.4" or greater and "\Composer\IO\IOInterface" required to test this component.');
+        }
+    }
+
+    public function testWrite()
+    {
+        $io = $this->getIOMock(true);
+        $io
+            ->expects($this->atLeastOnce())
+            ->method('write');
+
+        UpgradeNotice::doWrite($this->getEventMock($io, '1.7.0'));
+        UpgradeNotice::doWrite($this->getEventMock($io = $this->getIOMock(), '1.7.0'));
+
+        $lineBuffer = $io->getBuffer();
+        $firstLine = array_shift($lineBuffer);
+
+        $this->assertTrue(count($lineBuffer) > 0);
+        $this->assertContains('Update Notice:', $firstLine);
+
+        foreach ($lineBuffer as $b) {
+            $this->assertContains('liip/imagine-bundle', $b);
+        }
+    }
+
+    public function testWriteOnUnsupportedVersion()
+    {
+        $io = $this->getIOMock(true);
+        $io
+            ->expects($this->never())
+            ->method('write');
+
+        UpgradeNotice::doWrite($this->getEventMock($io, '100.100.100'));
+        UpgradeNotice::doWrite($this->getEventMock($io = $this->getIOMock(), '100.100.100'));
+
+        $this->assertCount(0, $io->getBuffer());
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject|IOInterface|BufferedIO
+     */
+    private function getIOMock($mockWrite = false)
+    {
+        $io = $this->getMockBuilder('Liip\ImagineBundle\Tests\Utils\Composer\BufferedIO');
+
+        if ($mockWrite) {
+            $io->setMethods(array('write'));
+        }
+
+        return $io->getMockForAbstractClass();
+    }
+
+    /**
+     * @param IOInterface $io
+     * @param string      $version
+     *
+     * @return \PHPUnit_Framework_MockObject_MockObject|Event
+     */
+    private function getEventMock(IOInterface $io, $version)
+    {
+        $composer = $this->getComposerMock($this->getPackageMock($version));
+
+        $event = $this
+            ->getMockBuilder('Composer\Script\Event')
+            ->setMethods(array('getComposer', 'getIO'))
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $event
+            ->method('getComposer')
+            ->willReturn($composer);
+
+        $event
+            ->method('getIO')
+            ->willReturn($io);
+
+        return $event;
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject|RootPackageInterface
+     */
+    private function getPackageMock($version)
+    {
+        $package = $this
+            ->getMockBuilder('Composer\Package\RootPackageInterface')
+            ->setMethods(array('getVersion', 'getName'))
+            ->getMockForAbstractClass();
+
+        $package
+            ->method('getVersion')
+            ->willReturn($version);
+
+        $package
+            ->method('getName')
+            ->willReturn('liip/imagine-bundle');
+
+        return $package;
+    }
+
+    /**
+     * @param RootPackageInterface $package
+     *
+     * @return \PHPUnit_Framework_MockObject_MockObject|Composer
+     */
+    private function getComposerMock(RootPackageInterface $package)
+    {
+        $composer = $this
+            ->getMockBuilder('Composer\Composer')
+            ->setMethods(array('getPackage'))
+            ->getMock();
+
+        $composer
+            ->method('getPackage')
+            ->willReturn($package);
+
+        return $composer;
+    }
+}
+