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-rw-r--r--railties/test/application/configuration_test.rb84
1 files changed, 84 insertions, 0 deletions
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 2e056be561..e6e2c67826 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -989,5 +989,89 @@ module ApplicationTests
assert_equal Rails.application.config.action_mailer.show_previews, true
end
+
+ test "config_for loads custom configuration from yaml files" do
+ app_file 'config/custom.yml', <<-RUBY
+ development:
+ key: 'custom key'
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+
+ require "#{app_path}/config/environment"
+
+ assert_equal 'custom key', Rails.application.config.my_custom_config['key']
+ end
+
+ test "config_for raises an exception if the file does not exist" do
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+
+ exception = assert_raises(RuntimeError) do
+ require "#{app_path}/config/environment"
+ end
+
+ assert_equal "Could not load configuration. No such file - #{app_path}/config/custom.yml", exception.message
+ end
+
+ test "config_for without the environment configured returns an empty hash" do
+ app_file 'config/custom.yml', <<-RUBY
+ test:
+ key: 'custom key'
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+ require "#{app_path}/config/environment"
+
+ assert_equal({}, Rails.application.config.my_custom_config)
+ end
+
+ test "config_for with empty file returns an empty hash" do
+ app_file 'config/custom.yml', <<-RUBY
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+ require "#{app_path}/config/environment"
+
+ assert_equal({}, Rails.application.config.my_custom_config)
+ end
+
+ test "config_for containing ERB tags should evaluate" do
+ app_file 'config/custom.yml', <<-RUBY
+ development:
+ key: <%= 'custom key' %>
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+ require "#{app_path}/config/environment"
+
+ assert_equal 'custom key', Rails.application.config.my_custom_config['key']
+ end
+
+ test "config_for with syntax error show a more descritive exception" do
+ app_file 'config/custom.yml', <<-RUBY
+ development:
+ key: foo:
+ RUBY
+
+ add_to_config <<-RUBY
+ config.my_custom_config = config_for('custom')
+ RUBY
+
+ exception = assert_raises(RuntimeError) do
+ require "#{app_path}/config/environment"
+ end
+
+ assert_match 'YAML syntax error occurred while parsing', exception.message
+ end
end
end