MAMPにPHPUnitをインストール

$ cd /Applications/MAMP/bin/php/php5.3.6/bin

# チャンネル追加
$ sudo ./pear channel-discover pear.phpunit.de
Adding Channel "pear.phpunit.de" succeeded
Discovery of channel "pear.phpunit.de" succeeded

# チャンネル追加
$ sudo ./pear channel-discover pear.symfony-project.com
Adding Channel "pear.symfony-project.com" succeeded
Discovery of channel "pear.symfony-project.com" succeeded


# 依存関係があるパッケージもまとめてインストール
$sudo ./pear install --alldeps phpunit/PHPUnit

# パージョン確認
$ ./phpunit --version
PHPUnit 3.6.10 by Sebastian Bergmann.

# pathを通す
$ export PATH=$PATH:/Applications/MAMP/bin/php/php5.3.6/bin
# 確認
$ which phpunit
/Applications/MAMP/bin/php/php5.3.6/bin/phpunit