test/spec_rack_builder.rb in rack-0.4.0 vs test/spec_rack_builder.rb in rack-0.9.0

@@ -1,9 +1,11 @@
 require 'test/spec'
 
 require 'rack/builder'
 require 'rack/mock'
+require 'rack/showexceptions'
+require 'rack/auth/basic'
 
 context "Rack::Builder" do
   specify "chains apps by default" do
     app = Rack::Builder.new do
       use Rack::ShowExceptions
@@ -43,8 +45,40 @@
     # with auth...
     response = Rack::MockRequest.new(app).get("/", 
         'HTTP_AUTHORIZATION' => 'Basic ' + ["joe:secret"].pack("m*"))
     response.status.should.equal 200
     response.body.to_s.should.equal 'Hi Boss'
+  end
+
+  specify "has explicit #to_app" do
+    app = Rack::Builder.app do
+      use Rack::ShowExceptions
+      run lambda { |env| raise "bzzzt" }
+    end
+
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+    Rack::MockRequest.new(app).get("/").should.be.server_error
+  end
+
+  specify "apps are initialized once" do
+    app = Rack::Builder.new do
+      class AppClass
+        def initialize
+          @called = 0
+        end
+        def call(env)
+          raise "bzzzt"  if @called > 0
+        @called += 1
+          [200, {'Content-Type' => 'text/plain'}, 'OK']
+        end
+      end
+
+      use Rack::ShowExceptions
+      run AppClass.new
+    end
+
+    Rack::MockRequest.new(app).get("/").status.should.equal 200
+    Rack::MockRequest.new(app).get("/").should.be.server_error
   end
 
 end