3分でCodeIgniter 3.xからPHPUnit 6.0を使う

PHPUnit 6.0がリリースされたわけですが、CodeIgniter 3.xでももちろん使えます。

なお、PHPUnit 6.0を使うにはPHP 7.0以上が必要です。

CodeIgniterのインストール

ComposerからCodeIgniter 3.xの最新版をインストールします。

$ composer create-project kenjis/codeigniter-composer-installer ci31

以下のように、現在だとCodeIgniter 3.1.3がインストールされます。

Installing kenjis/codeigniter-composer-installer (v0.4.6)
  - Installing kenjis/codeigniter-composer-installer (v0.4.6)
    Loading from cache

Created project in ci31
Loading composer repositories with package information
Updating dependencies (including require-dev)
  - Installing codeigniter/framework (3.1.3)
    Loading from cache

kenjis/codeigniter-composer-installer suggests installing kenjis/codeigniter-cli (A command-line tool for CodeIgniter 3.0)
kenjis/codeigniter-composer-installer suggests installing kenjis/ci-phpunit-test (An easier way to use PHPUnit with CodeIgniter 3.0)
kenjis/codeigniter-composer-installer suggests installing kenjis/codeigniter-ss-twig (A Simple and Secure Twig integration for CodeIgniter 3.0)
kenjis/codeigniter-composer-installer suggests installing kenjis/codeigniter-doctrine (A simple Doctrine integration for CodeIgniter 3.0)
kenjis/codeigniter-composer-installer suggests installing kenjis/codeigniter-deployer (A Deployment Tool for CodeIgniter 3.0)
codeigniter/framework suggests installing paragonie/random_compat (Provides better randomness in PHP 5.x)
Writing lock file
Generating autoload files
> Kenjis\CodeIgniter\Installer::postInstall
Loading composer repositories with package information
Updating dependencies (including require-dev)
  - Installing mikey179/vfsstream (v1.1.0)
    Loading from cache

Writing lock file
Generating autoload files
==================================================
`public/.htaccess` was installed. If you don't need it, please remove it.
If you want to install translations for system messages or some third party libraries,
$ cd <codeigniter_project_folder>
$ php bin/install.php
Above command will show help message.
See <https://github.com/kenjis/codeigniter-composer-installer> for details
==================================================

PHPUnit 6.0のインストール

ComposerからPHPUnit 6.0をインストールします。

$ cd ci31/
$ composer require phpunit/phpunit:6.0.*

以下のように、現在だとPHPUnit 6.0.6がインストールされます。

./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
  - Installing sebastian/version (2.0.1)
    Loading from cache

  - Installing sebastian/resource-operations (1.0.0)
    Loading from cache

  - Installing sebastian/recursion-context (2.0.0)
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  - Installing sebastian/object-enumerator (2.0.0)
    Loading from cache

  - Installing sebastian/global-state (1.1.1)
    Loading from cache

  - Installing sebastian/exporter (2.0.0)
    Loading from cache

  - Installing sebastian/environment (2.0.0)
    Loading from cache

  - Installing sebastian/diff (1.4.1)
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  - Installing sebastian/comparator (1.2.4)
    Loading from cache

  - Installing doctrine/instantiator (1.0.5)
    Loading from cache

  - Installing phpunit/php-text-template (1.2.1)
    Loading from cache

  - Installing phpunit/phpunit-mock-objects (4.0.0)
    Loading from cache

  - Installing phpunit/php-timer (1.0.8)
    Loading from cache

  - Installing phpunit/php-file-iterator (1.4.2)
    Loading from cache

  - Installing sebastian/code-unit-reverse-lookup (1.0.0)
    Loading from cache

  - Installing phpunit/php-token-stream (1.4.9)
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  - Installing phpunit/php-code-coverage (5.0.0)
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  - Installing webmozart/assert (1.2.0)
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  - Installing phpdocumentor/reflection-common (1.0)
    Loading from cache

  - Installing phpdocumentor/type-resolver (0.2.1)
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  - Installing phpdocumentor/reflection-docblock (3.1.1)
    Loading from cache

  - Installing phpspec/prophecy (v1.6.2)
    Loading from cache

  - Installing myclabs/deep-copy (1.6.0)
    Loading from cache

  - Installing phpunit/phpunit (6.0.6)
    Loading from cache

sebastian/global-state suggests installing ext-uopz (*)
phpunit/phpunit suggests installing phpunit/php-invoker (^1.1)
phpunit/phpunit suggests installing ext-xdebug (*)
Writing lock file
Generating autoload files

ci-phpunit-testのインストール

CodeIgniterからPHPUnitを簡単に使うために、ci-phpunit-testをインストールします。なお、PHPUnit 6.0を使うためには、ci-phpunit-test 0.14.0以上が必要です。

$ composer require kenjis/ci-phpunit-test --dev

以下のように、現在だとci-phpunit-test 0.14.0がインストールされます。

Using version ^0.14.0 for kenjis/ci-phpunit-test
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
  - Installing nikic/php-parser (v3.0.4)
    Downloading: 100%         

  - Installing kenjis/ci-phpunit-test (v0.14.0)
    Downloading: 100%         

Writing lock file
Generating autoload files

実はこれだけではまだインストールが完了しません。以下のコマンドを実行します。

$ php vendor/kenjis/ci-phpunit-test/install.php

これで、ci-phpunit-testがインストールされました。

PHPUnitの実行

$ vendor/bin/phpunit -c application/tests/ --debug

以下のように、ci-phpunit-testに付属しているサンプルのテストが実行されます。

PHPUnit 6.0.6 by Sebastian Bergmann and contributors.

Error:         No code coverage driver is available


Starting test 'Welcome_test::test_index'.
.
Starting test 'Welcome_test::test_method_404'.
.
Starting test 'Welcome_test::test_APPPATH'.
.                                                                 3 / 3 (100%)

Time: 80 ms, Memory: 4.00MB

OK (3 tests, 3 assertions)