Composer 2.0 compatibility (#62)

* Update composer.json * Support both Composer versions 1 and 2 * Replace deprecated constants * Try to run on Travis with both Composer 1.x and 2.x versions * Try to run on Travis with both Composer 1.x and 2.x versions * Try to run on Travis with both Composer 1.x and 2.x versions * Add askForUpdate for composer 2.0

Author: Michael Wikberg

.travis.yml

@@ -1,8 +1,9 @@
 language: php
 
 env:
- - CODECEPTION_VERSION: '^3.0'
- - CODECEPTION_VERSION: '^4.0'
+ - CODECEPTION_VERSION='^3.0' COMPOSER=1
+ - CODECEPTION_VERSION='^4.0' COMPOSER=1
+ - CODECEPTION_VERSION='^4.0' COMPOSER=2
 
 php:
  - 5.6
@@ -12,8 +13,18 @@ php:
  - 7.3
  - 7.4
 
+jobs:
+ exclude:
+ - php: 5.6
+ env: CODECEPTION_VERSION='^4.0' COMPOSER=2
+ - php: 7.0
+ env: CODECEPTION_VERSION='^4.0' COMPOSER=2
+ - php: 7.1
+ env: CODECEPTION_VERSION='^4.0' COMPOSER=2
+
 before_script:
  - export COMPOSER_MEMORY_LIMIT=-1
+ - composer self-update --${COMPOSER}
  - composer require codeception/codeception:"$CODECEPTION_VERSION" --dev --prefer-source
  - if [ "^3.0" != "$CODECEPTION_VERSION" ]; then composer require codeception/module-filesystem codeception/module-cli codeception/module-asserts codeception/module-phpbrowser --dev; fi;
  - cp c3.php vendor/codeception/codeception/tests/data/claypit

Installer.php

@@ -6,10 +6,12 @@
 use Composer\DependencyResolver\Operation\UpdateOperation;
 use Composer\EventDispatcher\EventSubscriberInterface;
 use Composer\Installer\PackageEvent;
+use Composer\Installer\PackageEvents;
 use Composer\IO\IOInterface;
 use Composer\Plugin\PluginInterface;
 use Composer\Script\Event;
 use Composer\Script\ScriptEvents;
+use Composer\Semver\Comparator;
 
 class Installer implements PluginInterface, EventSubscriberInterface
 {
@@ -22,9 +24,20 @@ public function activate(Composer $composer, IOInterface $io)
  {
  $this->io = $io;
  }
- 
+
+ public function deactivate(Composer $composer, IOInterface $io)
+ {
+ }
+
+ public function uninstall(Composer $composer, IOInterface $io) {
+ $this->deleteFile();
+ }
+
  protected function isOperationOnC3(PackageEvent $event)
  {
+ if (static::composerV2()) {
+ return true;
+ }
  $name = '';
 
  if ($event->getOperation() instanceof InstallOperation) {
@@ -40,34 +53,50 @@ protected function isOperationOnC3(PackageEvent $event)
 
  public static function getSubscribedEvents()
  {
+ if (static::composerV2()) {
+ return [
+ ScriptEvents::POST_INSTALL_CMD => [
+ ['copyC3V2', 0]
+ ],
+ ScriptEvents::POST_UPDATE_CMD => [
+ ['askForUpdateV2', 0]
+ ],
+ ];
+ }
  return [
- ScriptEvents::POST_PACKAGE_INSTALL => [
+ PackageEvents::POST_PACKAGE_INSTALL => [
  ['copyC3', 0]
  ],
- ScriptEvents::POST_PACKAGE_UPDATE => [
+ PackageEvents::POST_PACKAGE_UPDATE => [
  ['askForUpdate', 0]
  ],
- ScriptEvents::POST_PACKAGE_UNINSTALL => [
+ PackageEvents::POST_PACKAGE_UNINSTALL => [
  ['deleteC3', 0]
  ]
  ];
  }
 
- public static function copyC3ToRoot(Event $event)
- {
- $event->getIO()->write("<warning>c3 is now a Composer Plugin and installs c3.php automatically.</warning>");
- $event->getIO()->write("<warning>Please remove current \"post-install-cmd\" and \"post-update-cmd\" hooks from your composer.json</warning>");
- }
-
  public function copyC3(PackageEvent $event)
  {
  if (!$this->isOperationOnC3($event)) {
  return;
  }
+
+ $this->copyC3V2(null);
+ }
+
+ public function copyC3V2(Event $event)
+ {
  if ($this->c3NotChanged()) {
  $this->io->write("<comment>[codeception/c3]</comment> c3.php is already up-to-date");
  return;
  }
+ if (file_exists(getcwd() . DIRECTORY_SEPARATOR . 'c3.php')) {
+ $replace = $this->io->askConfirmation("<warning>c3.php has changed</warning> Do you want to replace c3.php with latest version?", false);
+ if (!$replace) {
+ return;
+ }
+ }
 
  $this->io->write("<comment>[codeception/c3]</comment> Copying c3.php to the root of your project...");
  copy(__DIR__ . DIRECTORY_SEPARATOR . 'c3.php', getcwd() . DIRECTORY_SEPARATOR.'c3.php');
@@ -79,15 +108,17 @@ public function askForUpdate(PackageEvent $event)
  if (!$this->isOperationOnC3($event) || $this->c3NotChanged()) {
  return;
  }
- if (file_exists(getcwd() . DIRECTORY_SEPARATOR . 'c3.php')) {
- $replace = $this->io->askConfirmation("<warning>c3.php has changed</warning> Do you want to replace c3.php with latest version?", false);
- if (!$replace) {
- return;
- }
- }
  $this->copyC3($event);
  }
 
+ public function askForUpdateV2(Event $event)
+ {
+ if ($this->c3NotChanged()) {
+ return;
+ }
+ $this->copyC3V2($event);
+ }
+
  private function c3NotChanged()
  {
  return file_exists(getcwd() . DIRECTORY_SEPARATOR . 'c3.php') &&
@@ -99,9 +130,19 @@ public function deleteC3(PackageEvent $event)
  if (!$this->isOperationOnC3($event)) {
  return;
  }
+ $this->deleteFile();
+ }
+
+ private function deleteFile() {
  if (file_exists(getcwd() . DIRECTORY_SEPARATOR . 'c3.php')) {
  $this->io->write("<comment>[codeception/c3]</comment> Deleting c3.php from the root of your project...");
  unlink(getcwd() . DIRECTORY_SEPARATOR . 'c3.php');
  }
  }
+
+ private static function composerV2()
+ {
+ return Comparator::greaterThanOrEqualTo(PluginInterface::PLUGIN_API_VERSION, '2.0.0');
+ }
+
 }

composer.json

@@ -20,7 +20,8 @@
  ],
  "require": {
  "php": ">=5.4.0",
- "composer-plugin-api": "^1.0"
+ "composer-plugin-api": "^1.0 || ^2.0",
+ "composer/composer": "^1.0 || ^2.0"
  },
  "extra": {
  "class": "Codeception\\c3\\Installer"