move http_mock to lib so others can use it in their Ares tests

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5766 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 123 insertions, 0 deletions

diff --git a/activeresource/lib/active_resource/http_mock.rb b/activeresource/lib/active_resource/http_mock.rb
new file mode 100644
index 0000000000..e22a61e6a7
--- /dev/null
+++ b/activeresource/lib/active_resource/http_mock.rb
@@ -0,0 +1,123 @@
+require 'active_resource/connection'
+
+module ActiveResource
+  class InvalidRequestError < StandardError; end
+
+  class HttpMock
+    class Responder
+      def initialize(responses)
+        @responses = responses
+      end
+
+      for method in [ :post, :put, :get, :delete ]
+        module_eval <<-EOE
+          def #{method}(path, request_headers = {}, body = nil, status = 200, response_headers = {})
+            @responses[Request.new(:#{method}, path, nil, request_headers)] = Response.new(body || {}, status, response_headers)
+          end
+        EOE
+      end
+    end
+
+    class << self
+      def requests
+        @@requests ||= []
+      end
+
+      def responses
+        @@responses ||= {}
+      end
+
+      def respond_to(pairs = {})
+        reset!
+        pairs.each do |(path, response)|
+          responses[path] = response
+        end
+        yield Responder.new(responses) if block_given?
+      end
+
+      def reset!
+        requests.clear
+        responses.clear
+      end
+    end
+
+    for method in [ :post, :put ]
+      module_eval <<-EOE
+        def #{method}(path, body, headers)
+          request = ActiveResource::Request.new(:#{method}, path, body, headers)
+          self.class.requests << request
+          self.class.responses[request] || raise(InvalidRequestError.new("No response recorded for: \#{request}"))
+        end
+      EOE
+    end
+
+    for method in [ :get, :delete ]
+      module_eval <<-EOE
+        def #{method}(path, headers)
+          request = ActiveResource::Request.new(:#{method}, path, nil, headers)
+          self.class.requests << request
+          self.class.responses[request] || raise(InvalidRequestError.new("No response recorded for: \#{request}"))
+        end
+      EOE
+    end
+
+    def initialize(site)
+      @site = site
+    end
+  end
+
+  class Request
+    attr_accessor :path, :method, :body, :headers
+
+    def initialize(method, path, body = nil, headers = {})
+      @method, @path, @body, @headers = method, path, body, headers
+      @headers.update('Content-Type' => 'application/xml')
+    end
+
+    def ==(other_request)
+      other_request.hash == hash
+    end
+
+    def eql?(other_request)
+      self == other_request
+    end
+
+    def to_s
+      "<#{method.to_s.upcase}: #{path} [#{headers}] (#{body})>"
+    end
+
+    def hash
+      "#{path}#{method}#{headers}".hash
+    end
+  end
+
+  class Response
+    attr_accessor :body, :message, :code, :headers
+
+    def initialize(body, message = 200, headers = {})
+      @body, @message, @headers = body, message.to_s, headers
+      @code = @message[0,3].to_i
+    end
+
+    def success?
+      (200..299).include?(code)
+    end
+
+    def [](key)
+      headers[key]
+    end
+
+    def []=(key, value)
+      headers[key] = value
+    end
+  end
+
+  class Connection
+    private
+      silence_warnings do
+        def http
+          @http ||= HttpMock.new(@site)
+        end
+      end
+  end
+end