spec/caching_test.rb in faraday_middleware-0.8.6 vs spec/caching_test.rb in faraday_middleware-0.8.7

@@ -1,9 +1,10 @@
 require 'test/unit'
 require 'forwardable'
 require 'fileutils'
 require 'rack/cache'
+require 'faraday'
 require 'faraday_middleware/response/caching'
 require 'faraday_middleware/rack_compatible'
 
 class CachingTest < Test::Unit::TestCase
   class TestCache < Hash
@@ -85,23 +86,37 @@
 
 # RackCompatible + Rack::Cache
 class HttpCachingTest < Test::Unit::TestCase
   include FileUtils
 
-  CACHE_DIR = File.expand_path('../cache', __FILE__)
+  CACHE_DIR = File.expand_path('../../tmp/cache', __FILE__)
 
+  # middleware to check whether "rack.errors" is free of error reports
+  class RackErrorsComplainer < Struct.new(:app)
+    def call(env)
+      response = app.call(env)
+      error_stream = env['rack.errors'].string
+      raise %(unexpected error in 'rack.errors') if error_stream.include? 'error'
+      response
+    end
+  end
+
   def setup
     rm_r CACHE_DIR if File.exists? CACHE_DIR
+    # force reinitializing cache dirs
+    Rack::Cache::Storage.instance.clear
 
     request_count = 0
     response = lambda { |env|
       [200, { 'Content-Type' => 'text/plain',
               'Cache-Control' => 'public, max-age=900',
             },
             "request:#{request_count+=1}"]
     }
 
     @conn = Faraday.new do |b|
+      b.use RackErrorsComplainer
+
       b.use FaradayMiddleware::RackCompatible, Rack::Cache::Context,
         :metastore   => "file:#{CACHE_DIR}/rack/meta",
         :entitystore => "file:#{CACHE_DIR}/rack/body",
         :verbose     => true