質問編集履歴
1
事象再現方法を詳細に記載した．
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###該当のソースコード
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以下，方法にて事象再現可能だと思います．Railsバージョンは5.1.4です．
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```ruby
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1 以下コマンドを実行する．
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-
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Mylib::get_foos.each do |foo|
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Foo.create(:name => foo.name)
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end
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```
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$ rails new footest
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$ cd footest
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$ mkdir lib/mylib
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$ vi lib/mylib/foo.rb
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```
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2 以下内容のfoo.rbを作成する．
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```ruby
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```ruby
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module Mylib
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class Foo
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attr_reader :name
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def initialize name
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@name = name
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end
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end
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end
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@@ -62,11 +72,99 @@
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end
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end
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```
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3 config/application.rbのclass Application内にconfig.autoload_pathsの行を追加する．
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```ruby
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module Footest
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class Application < Rails::Application
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# Initialize configuration defaults for originally generated Rails version.
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config.load_defaults 5.1
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# Settings in config/environments/* take precedence over those specified here.
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# Application configuration should go into files in config/initializers
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# -- all .rb files in that directory are automatically loaded.
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config.autoload_paths += %W(#{config.root}/lib/mylib) #追記
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end
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end
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end
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```
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4 以下コマンドを実行する．
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```
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$ rails generate scaffold Foo name:string
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$ rails db:migrate
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```
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5 db/seeds.rbに以下内容を記載する．
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```ruby
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require 'foo'
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a = Mylib::Foo.new("foo")
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puts a.name
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Foo.create(:name => a.name)
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```
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6 以下コマンドを実行すると，エラーが発生します．
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```
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$ rails db:seed
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foo
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rails aborted!
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LoadError: Unable to autoload constant Foo, expected /path_to/footest/lib/mylib/foo.rb to define it
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/path_to/footest/db/seeds.rb:13:in `<top (required)>'
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/path_to/footest/bin/rails:9:in `require'
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/path_to/footest/bin/rails:9:in `<top (required)>'
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/path_to/footest/bin/spring:15:in `<top (required)>'
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bin/rails:3:in `load'
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bin/rails:3:in `<main>'
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Tasks: TOP => db:seed
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(See full trace by running task with --trace)
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```
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167
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70
168
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|
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71
169
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###試したこと
|
|
72
170
|
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