Merged updates from trunk into stable branch

[feedcatcher.git] / vendor / rails / actionpack / lib / action_controller / vendor / rack-1.0 / rack / mock.rb

diff --git a/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/mock.rb b/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/mock.rb
new file mode 100644 (file)
index 0000000..70852da
--- /dev/null
+++ b/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/mock.rb
@@ -0,0 +1,160 @@
+require 'uri'
+require 'stringio'
+require 'rack/lint'
+require 'rack/utils'
+require 'rack/response'
+
+module Rack
+  # Rack::MockRequest helps testing your Rack application without
+  # actually using HTTP.
+  #
+  # After performing a request on a URL with get/post/put/delete, it
+  # returns a MockResponse with useful helper methods for effective
+  # testing.
+  #
+  # You can pass a hash with additional configuration to the
+  # get/post/put/delete.
+  # <tt>:input</tt>:: A String or IO-like to be used as rack.input.
+  # <tt>:fatal</tt>:: Raise a FatalWarning if the app writes to rack.errors.
+  # <tt>:lint</tt>:: If true, wrap the application in a Rack::Lint.
+
+  class MockRequest
+    class FatalWarning < RuntimeError
+    end
+
+    class FatalWarner
+      def puts(warning)
+        raise FatalWarning, warning
+      end
+
+      def write(warning)
+        raise FatalWarning, warning
+      end
+
+      def flush
+      end
+
+      def string
+        ""
+      end
+    end
+
+    DEFAULT_ENV = {
+      "rack.version" => [0,1],
+      "rack.input" => StringIO.new,
+      "rack.errors" => StringIO.new,
+      "rack.multithread" => true,
+      "rack.multiprocess" => true,
+      "rack.run_once" => false,
+    }
+
+    def initialize(app)
+      @app = app
+    end
+
+    def get(uri, opts={})    request("GET", uri, opts)    end
+    def post(uri, opts={})   request("POST", uri, opts)   end
+    def put(uri, opts={})    request("PUT", uri, opts)    end
+    def delete(uri, opts={}) request("DELETE", uri, opts) end
+
+    def request(method="GET", uri="", opts={})
+      env = self.class.env_for(uri, opts.merge(:method => method))
+
+      if opts[:lint]
+        app = Rack::Lint.new(@app)
+      else
+        app = @app
+      end
+
+      errors = env["rack.errors"]
+      MockResponse.new(*(app.call(env) + [errors]))
+    end
+
+    # Return the Rack environment used for a request to +uri+.
+    def self.env_for(uri="", opts={})
+      uri = URI(uri)
+      env = DEFAULT_ENV.dup
+
+      env["REQUEST_METHOD"] = opts[:method] || "GET"
+      env["SERVER_NAME"] = uri.host || "example.org"
+      env["SERVER_PORT"] = uri.port ? uri.port.to_s : "80"
+      env["QUERY_STRING"] = uri.query.to_s
+      env["PATH_INFO"] = (!uri.path || uri.path.empty?) ? "/" : uri.path
+      env["rack.url_scheme"] = uri.scheme || "http"
+
+      env["SCRIPT_NAME"] = opts[:script_name] || ""
+
+      if opts[:fatal]
+        env["rack.errors"] = FatalWarner.new
+      else
+        env["rack.errors"] = StringIO.new
+      end
+
+      opts[:input] ||= ""
+      if String === opts[:input]
+        env["rack.input"] = StringIO.new(opts[:input])
+      else
+        env["rack.input"] = opts[:input]
+      end
+
+      env["CONTENT_LENGTH"] ||= env["rack.input"].length.to_s
+
+      opts.each { |field, value|
+        env[field] = value  if String === field
+      }
+
+      env
+    end
+  end
+
+  # Rack::MockResponse provides useful helpers for testing your apps.
+  # Usually, you don't create the MockResponse on your own, but use
+  # MockRequest.
+
+  class MockResponse
+    def initialize(status, headers, body, errors=StringIO.new(""))
+      @status = status.to_i
+
+      @original_headers = headers
+      @headers = Rack::Utils::HeaderHash.new
+      headers.each { |field, values|
+        @headers[field] = values
+        @headers[field] = ""  if values.empty?
+      }
+
+      @body = ""
+      body.each { |part| @body << part }
+
+      @errors = errors.string
+    end
+
+    # Status
+    attr_reader :status
+
+    # Headers
+    attr_reader :headers, :original_headers
+
+    def [](field)
+      headers[field]
+    end
+
+
+    # Body
+    attr_reader :body
+
+    def =~(other)
+      @body =~ other
+    end
+
+    def match(other)
+      @body.match other
+    end
+
+
+    # Errors
+    attr_accessor :errors
+
+
+    include Response::Helpers
+  end
+end