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require "isolation/abstract_unit"
require "rack/test"
module ApplicationTests
class MiddlewareExceptionsTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
include Rack::Test::Methods
def setup
build_app
end
def teardown
teardown_app
end
test "show exceptions middleware filter backtrace before logging" do
controller :foo, <<-RUBY
class FooController < ActionController::Base
def index
raise 'oops'
end
end
RUBY
get "/foo"
assert_equal 500, last_response.status
log = File.read(Rails.application.config.paths["log"].first)
assert_no_match(/action_dispatch/, log, log)
assert_match(/oops/, log, log)
end
test "renders active record exceptions as 404" do
controller :foo, <<-RUBY
class FooController < ActionController::Base
def index
raise ActiveRecord::RecordNotFound
end
end
RUBY
get "/foo"
assert_equal 404, last_response.status
end
test "uses custom exceptions app" do
add_to_config <<-RUBY
config.exceptions_app = lambda do |env|
[404, { "Content-Type" => "text/plain" }, ["YOU FAILED"]]
end
RUBY
app.config.action_dispatch.show_exceptions = true
get "/foo"
assert_equal 404, last_response.status
assert_equal "YOU FAILED", last_response.body
end
test "url generation error when action_dispatch.show_exceptions is set raises an exception" do
controller :foo, <<-RUBY
class FooController < ActionController::Base
def index
raise ActionController::UrlGenerationError
end
end
RUBY
app.config.action_dispatch.show_exceptions = true
get "/foo"
assert_equal 500, last_response.status
end
test "unspecified route when action_dispatch.show_exceptions is not set raises an exception" do
app.config.action_dispatch.show_exceptions = false
assert_raise(ActionController::RoutingError) do
get "/foo"
end
end
test "unspecified route when action_dispatch.show_exceptions is set shows 404" do
app.config.action_dispatch.show_exceptions = true
assert_nothing_raised do
get "/foo"
assert_match "The page you were looking for doesn't exist.", last_response.body
end
end
test "unspecified route when action_dispatch.show_exceptions and consider_all_requests_local are set shows diagnostics" do
app.config.action_dispatch.show_exceptions = true
app.config.consider_all_requests_local = true
assert_nothing_raised do
get "/foo"
assert_match "No route matches", last_response.body
end
end
test "routing to an nonexistent controller when action_dispatch.show_exceptions and consider_all_requests_local are set shows diagnostics" do
app_file "config/routes.rb", <<-RUBY
Rails.application.routes.draw do
resources :articles
end
RUBY
app.config.action_dispatch.show_exceptions = true
app.config.consider_all_requests_local = true
get "/articles"
assert_match "<title>Action Controller: Exception caught</title>", last_response.body
end
test "displays diagnostics message when exception raised in template that contains UTF-8" do
controller :foo, <<-RUBY
class FooController < ActionController::Base
def index
end
end
RUBY
app.config.action_dispatch.show_exceptions = true
app.config.consider_all_requests_local = true
app_file "app/views/foo/index.html.erb", <<-ERB
<% raise 'boooom' %>
✓測試テスト시험
ERB
get "/foo", utf8: "✓"
assert_match(/boooom/, last_response.body)
assert_match(/測試テスト시험/, last_response.body)
end
end
end
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