はてなブックマーク

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例えばログインしてるか確認する処理などbefore_filterで共通して使われそうなメソッドをテストする際に上手いことテストする方法。 Anonymous Controllerを使うと良い。 Anonymous Controllerを使うとテスト内でactionを定義することが出来るのでこのactionにリクエストを投げると良い。また、paramsの値によってテスト内容が変わる場合などもこの方法を取るとget,post呼び出し時にクエリストリングを渡す事が出来るので便利。 describe ApplicationController do describe "#login?" do controller do # index actionを定義 def index login? render :text => 'dummy message' end end it '' do … # 上で

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Rails用のgemを手元で作っている時にコードを書きなおす度にWebrickを再起動してgemを読みなおすのは非常に手間。なのでこれを回避する方法 例えばexampleという名前のgemを作っていてExample::MyClassをリクエストの度にリロードをしたい場合enviroments/development.rbに以下を追加 # requestが来た場合のcallbackを定義 ActionDispatch::Callbacks.before do # Example::MyClassが定義されている場合は削除する if Object.const_defined?(:Example) if Example.const_defined?(:MyClass) Example.send(:remove_const, :MyClass) end end # example/my_class

例えばツイートする機能のテストなど、stub化しちゃうとそもそも意味がなくなるけど、かといって毎回実行されるのがいやなテストをスキップする方法 specヘルパーに以下を追記。

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一般的な方法 Timeにはlocaltimeというローカルタイムで出力するためのメソッドがあるが、これはシステムのローカルタイムに依存してしまう。 なので任意のタイムゾーンを出力するにはENV['TZ']の環境変数を一時的に書き換えてlocaltimeを取れば良い class Time def timezone(timezone = 'UTC') old = ENV['TZ'] utc = self.dup.utc ENV['TZ'] = timezone output = utc.localtime ENV['TZ'] = old output end end @time = Time.now puts @time.timezone('Asia/Tokyo') # => 2012-09-26 12:19:18 +0900 puts @time.timezone('America/Chic

ローカルタイムに関する設定 Rails3系からデータベースにはUTCで保存、取り出して扱う際に必要なタイムゾーンに変更するというのが基本的な考え方の様子。 タイムゾーンの設定はapplication.rbにて行えるが、主に関係する設定が２つある。 config.active_record.default_timezone config.time_zone config.active_record.default_timezone データベースに保存する際のタイムゾーンを指定するディレクティブ。先ほど書いたようにRails3からはデータベースに時刻を保存する場合は基本的にUTCで保存するようになったみたいで、これをローカルタイムで保存するには以下のように設定すれば良い。

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$ brew info play play 2.0 http://www.playframework.org/ Not installed https://github.com/mxcl/homebrew/commits/master/Library/Formula/play.rb /usr/local/Library/Formula% git checkout 3caf5c5 /usr/local/Library/Formula/play.rb /usr/local/Library/Formula% git info play $ brew versions play 2.0 git checkout 351d751 /usr/local/Library/Formula/play.rb 1.2.4 git checkout 3caf5c5 /usr/local/Library/Formu

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# setディレクティブでメンテナンスon/off用フラグ変数を設定 set $maintenance false; # /var/tmp/do_maintenanceがある場合はメンテモード if (-e /var/tmp/do_maintenance ) { set $maintenance true; } # メンテ時でもサイトを確認するためのワークアラウンド # 特定のアドレスからの場合は通常の状態の表示を許可 if ($remote_addr = XXX.XXX.XXX.XXX) { set $maintenance false; } # メンテナンスモードの場合は/maintenance.htmlにrewirteしつつ、rootディレクトリを書き換える # この場合だと/var/www/maintenance/maintenance.htmlがメンテナンス画面用ファイルになる