require 'spec_helper'

describe Flexirest::Request do
  before :each do
    class ExampleOtherClient < Flexirest::Base ; end
    class ExampleSingleClient < Flexirest::Base ; end
    class ExampleClient < Flexirest::Base
      base_url "http://www.example.com"
      request_body_type :form_encoded
      api_auth_credentials('id123', 'secret123')

      before_request do |name, request|
        if request.method[:name] == :headers
          request.headers["X-My-Header"] = "myvalue"
        end
      end

      after_request do |name, response|
        if name == :change
          response.body = "{\"test\": 1}"
        end
      end

      get :all, "/", :has_many => {:expenses => ExampleOtherClient}
      get :flat, "/", :params_encoder => :flat
      get :array, "/johnny", array: [:likes, :dislikes]
      get :babies, "/babies", :has_many => {:children => ExampleOtherClient}
      get :single_association, "/single", :has_one => {:single => ExampleSingleClient}, :has_many => {:children => ExampleOtherClient}
      get :headers, "/headers"
      put :headers_default, "/headers_default"
      put :headers_json, "/headers_json", request_body_type: :json
      get :find, "/:id"
      get :change, "/change"
      get :plain, "/plain/:id", plain: true
      post :create, "/create"
      post :test_encoding, "/encoding", request_body_type: :json
      put :update, "/put/:id"
      put :conversion, "/put/:id", parse_fields: [:converted]
      delete :remove, "/remove/:id"
      get :hal, "/hal", fake:"{\"_links\":{\"child\": {\"href\": \"/child/1\"}, \"other\": {\"href\": \"/other/1\"}, \"cars\":[{\"href\": \"/car/1\", \"name\":\"car1\"}, {\"href\": \"/car/2\", \"name\":\"car2\"}, {\"href\": \"/car/not-embed\", \"name\":\"car_not_embed\"} ], \"lazy\": {\"href\": \"/lazy/load\"}, \"invalid\": [{\"href\": \"/invalid/1\"}]}, \"_embedded\":{\"other\":{\"name\":\"Jane\"},\"child\":{\"name\":\"Billy\"}, \"cars\":[{\"_links\": {\"self\": {\"href\": \"/car/1\"} }, \"make\": \"Bugatti\", \"model\": \"Veyron\"}, {\"_links\": {\"self\": {\"href\": \"/car/2\"} }, \"make\": \"Ferrari\", \"model\": \"F458 Italia\"} ], \"invalid\": [{\"present\":true, \"_links\": {} } ] } }", has_many:{other:ExampleOtherClient}
      get :fake, "/fake", fake:"{\"result\":true, \"list\":[1,2,3,{\"test\":true}], \"child\":{\"grandchild\":{\"test\":true}}}"
      get :fake_proc, "/fake", fake:->(request) { "{\"result\":#{request.get_params[:id]}}" }
      get :defaults, "/defaults", defaults:{overwrite:"no", persist:"yes"}
      get :requires, "/requires", requires:[:name, :age]
    end

    class AuthenticatedExampleClient < Flexirest::Base
      base_url "http://www.example.com"
      username "john"
      password "smith"
      get :all, "/"
    end

    class ProcDefaultExampleClient < Flexirest::Base
      base_url "http://www.example.com"
      get :all, "/", defaults: (Proc.new do |params|
        reference = params.delete(:reference)
        {
          id: "id-#{reference}"
        }
      end)
    end

    class LazyLoadedExampleClient < ExampleClient
      base_url "http://www.example.com"
      lazy_load!
      get :fake, "/fake", fake:"{\"result\":true, \"list\":[1,2,3,{\"test\":true}], \"child\":{\"grandchild\":{\"test\":true}}}"
      get :lazy_test, "/does-not-matter", fake:"{\"people\":[\"http://www.example.com/some/url\"]}", :lazy => [:people]
    end

    class VerboseExampleClient < ExampleClient
      base_url "http://www.example.com"
      verbose!
      get :all, "/all"
      post :create, "/create"
    end

    class FilteredBodyExampleClient < ExampleClient
      base_url "http://www.example.com"
      before_request do |name, request|
        request.body = MultiJson.dump(request.post_params)
      end

      post :save, "/save"
    end

    class IgnoredRootExampleClient < ExampleClient
      get :root, "/root", ignore_root: "feed", fake: %Q{
        {
          "feed": {
            "title": "Example Feed"
          }
        }
      }
    end

    allow_any_instance_of(Flexirest::Request).to receive(:read_cached_response)
  end

  it "should get an HTTP connection when called" do
    connection = double(Flexirest::Connection).as_null_object
    expect(Flexirest::ConnectionManager).to receive(:get_connection).with("http://www.example.com").and_return(connection)
    expect(connection).to receive(:get).with("/", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.all
  end

  it "should get an HTTP connection with authentication when called" do
    connection = double(Flexirest::Connection).as_null_object
    expect(Flexirest::ConnectionManager).to receive(:get_connection).with("http://john:smith@www.example.com").and_return(connection)
    expect(connection).to receive(:get).with("/", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    AuthenticatedExampleClient.all
  end

  it "should get an HTTP connection when called and call get on it" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.all
  end

  it "should get an HTTP connection when called and call delete on it" do
    expect_any_instance_of(Flexirest::Connection).to receive(:delete).with("/remove/1", "", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.remove(id:1)
  end

  it "should work with faraday response objects" do
    response = Faraday::Response.new
    allow(response).to receive(:body).and_return({}.to_json)
    expect_any_instance_of(Flexirest::Connection).to receive(:get).and_return(response)
    expect { ExampleClient.all }.to_not raise_error
  end

  it "should pass through get parameters" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/?debug=true", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.all debug:true
  end

  it "should pass through get parameters, using defaults specified" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/defaults?overwrite=yes&persist=yes", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.defaults overwrite:"yes"
  end

  it "should pass through get parameters, calling the proc if one is specified for defaults" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/?id=id-123456", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ProcDefaultExampleClient.all reference:"123456"
  end

  it "should ensure any required parameters are specified" do
    expect_any_instance_of(Flexirest::Connection).to_not receive(:get)
    expect{ExampleClient.requires}.to raise_error(Flexirest::MissingParametersException)
    expect{ExampleClient.requires name: "John"}.to raise_error(Flexirest::MissingParametersException)
    expect{ExampleClient.requires age: 21}.to raise_error(Flexirest::MissingParametersException)
    expect{ExampleClient.requires name: nil, age: nil}.to raise_error(Flexirest::MissingParametersException)
  end

  it "should makes the request if all required parameters are specified" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    expect{ExampleClient.requires name: "John", age: 21}.not_to raise_error
  end

  it "should makes the request if all required parameters are specified, even if boolean" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    expect{ExampleClient.requires name: true, age: false}.not_to raise_error
  end

  it "should pass through url parameters" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/1234", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.find id:1234
  end

  it "should accept an integer as the only parameter and use it as id" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/1234", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.find(1234)
  end

  it "should accept a string as the only parameter and use it as id" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/1234", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.find("1234")
  end

  it "should pass through url parameters and get parameters" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/1234?debug=true", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true}", response_headers:{})))
    ExampleClient.find id:1234, debug:true
  end

  it "should pass through url parameters and put parameters" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true}", response_headers:{})))
    ExampleClient.update id:1234, debug:true
  end

  it "should pass through 'array type' get parameters" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/?include%5B%5D=your&include%5B%5D=friends", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true}", response_headers:{})))
    ExampleClient.all :include => [:your,:friends]
  end

  it "should pass through 'array type' get parameters using the same parameter name if a flat param_encoder is chosen" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/?include=your&include=friends", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true}", response_headers:{})))
    ExampleClient.flat :include => [:your,:friends]
  end

  it "should encode the body in a form-encoded format by default" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true&test=foo", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true}", response_headers:{})))
    ExampleClient.update id:1234, debug:true, test:'foo'
  end

  it "should encode the body in a JSON format if specified" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", %q({"debug":true,"test":"foo"}), an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true}", response_headers:{})))
    ExampleClient.request_body_type :json
    ExampleClient.update id:1234, debug:true, test:'foo'
  end

  it "allows forcing a request_body_type per request" do
    expect_any_instance_of(Flexirest::Connection).to receive(:post).with("/encoding", %q({"id":1234,"test":"something"}), an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true}", response_headers:{})))
    ExampleClient.request_body_type :form_encoded # Should be ignored and the per_method :json used
    ExampleClient.test_encoding id:1234, test: "something"
  end

  it "should pass through custom headers" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get){ |connection, path, options|
      expect(path).to eq('/headers')
      expect(options[:headers]).to include("X-My-Header" => "myvalue")
    }.and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.headers
  end

  it "should set request header with content-type for default" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put){ |connection, path, data, options|
      expect(path).to eq('/headers_default')
      expect(data).to eq('')
      expect(options[:headers]).to include("Content-Type" => "application/x-www-form-urlencoded")
    }.and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.headers_default
  end

  it "should set request header with content-type for JSON" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put){ |connection, path, data, options|
      expect(path).to eq('/headers_json')
      expect(data).to eq('{}')
      expect(options[:headers]).to include("Content-Type" => "application/json; charset=utf-8")
    }.and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
    ExampleClient.headers_json
  end

  it "should parse JSON to give a nice object" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"result\":true, \"list\":[1,2,3,{\"test\":true}], \"created_at\":\"2012-03-04T01:02:03Z\", \"child\":{\"grandchild\":{\"test\":true}}}", response_headers:{})))
    object = ExampleClient.update id:1234, debug:true
    expect(object.result).to eq(true)
    expect(object.list.first).to eq(1)
    expect(object.list.last.test).to eq(true)
    expect(object.created_at).to be_an_instance_of(DateTime)
    expect(object.child.grandchild.test).to eq(true)
  end

  it "should not convert date times in JSON if automatic parsing is disabled" do
    begin
      Flexirest::Base.disable_automatic_date_parsing = true
      expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"created_at\":\"2012-03-04T01:02:03Z\"}", response_headers:{})))
      object = ExampleClient.update id:1234, debug:true
      expect(object.created_at).to be_an_instance_of(String)
    ensure
      Flexirest::Base.disable_automatic_date_parsing = false
    end
  end

  it "should only convert date times in JSON if specified" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"converted\":\"2012-03-04T01:02:03Z\", \"not_converted\":\"2012-03-04T01:02:03Z\"}", response_headers:{})))
    object = ExampleClient.conversion id:1234, debug:true
    expect(object.converted).to be_an_instance_of(DateTime)
    expect(object.not_converted).to be_an_instance_of(String)
  end

  it "should parse JSON and return a nice object for faked responses" do
    object = ExampleClient.fake id:1234, debug:true
    expect(object.result).to eq(true)
    expect(object.list.first).to eq(1)
    expect(object.list.last.test).to eq(true)
    expect(object.child.grandchild.test).to eq(true)
  end

  it "should parse JSON from a fake response generated by a proc" do
    object = ExampleClient.fake_proc id:1234
    expect(object.result).to eq(1234)
  end

  it "should not parse JSON from a plain request" do
    response_body = "This is another non-JSON string"
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with(any_args).and_return(::FaradayResponseMock.new(OpenStruct.new(status:200, response_headers:{}, body:response_body)))
    expect(ExampleClient.plain(id:1234)).to eq(response_body)
  end

  it "should return a PlainResponse from a plain request" do
    response_body = "This is another non-JSON string"
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with(any_args).and_return(::FaradayResponseMock.new(OpenStruct.new(status:200, response_headers:{}, body:response_body)))
    expect(ExampleClient.plain(id:1234)).to be_a(Flexirest::PlainResponse)
  end

  it "should return a lazy loader object if lazy loading is enabled" do
    object = LazyLoadedExampleClient.fake id:1234, debug:true
    expect(object).to be_an_instance_of(Flexirest::LazyLoader)
  end

  it "should proxy through nice object for lazy loaded responses" do
    object = LazyLoadedExampleClient.fake id:1234, debug:true
    expect(object.result).to eq(true)
    expect(object.list.first).to eq(1)
    expect(object.list.last.test).to eq(true)
    expect(object.child.grandchild.test).to eq(true)
  end

  it "should return a LazyAssociationLoader for lazy loaded properties" do
    object = LazyLoadedExampleClient.lazy_test
    expect(object.people.size).to eq(1)
    expect(object.people).to be_an_instance_of(Flexirest::LazyAssociationLoader)
  end

  it "should log faked responses" do
    allow(Flexirest::Logger).to receive(:debug)
    expect(Flexirest::Logger).to receive(:debug).with(/Faked response found/)
    ExampleClient.fake id:1234, debug:true
  end

  it "should parse an array within JSON to be a result iterator" do
    expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"[{\"first_name\":\"Johnny\"}, {\"first_name\":\"Billy\"}]", status:200, response_headers:{})))
    object = ExampleClient.update id:1234, debug:true
    expect(object).to be_instance_of(Flexirest::ResultIterator)
    expect(object.first.first_name).to eq("Johnny")
    expect(object[1].first_name).to eq("Billy")
    expect(object._status).to eq(200)
  end

  it "should parse an attribute to be an array if attribute included in array option" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/johnny", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"likes\":[\"donuts\", \"bacon\"], \"dislikes\":[\"politicians\", \"lawyers\", \"taxes\"]}", status:200, response_headers:{})))
    object = ExampleClient.array
    expect(object.likes).to be_instance_of(Array)
    expect(object.likes.size).to eq(2)
    expect(object.likes[0]).to eq("donuts")
    expect(object.likes[1]).to eq("bacon")
    expect(object.dislikes).to be_instance_of(Array)
    expect(object.dislikes.size).to eq(3)
    expect(object.dislikes[0]).to eq("politicians")
    expect(object.dislikes[1]).to eq("lawyers")
    expect(object.dislikes[2]).to eq("taxes")
    #TODO
  end

  it "should instantiate other classes using has_many when required to do so" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"expenses\":[{\"amount\":1}, {\"amount\":2}]}", status:200, response_headers:{})))
    object = ExampleClient.all
    expect(object.expenses.first).to be_instance_of(ExampleOtherClient)
  end

  it "should instantiate other classes using has_many even if nested off the root" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/babies", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"children\":{\"eldest\":[{\"name\":\"Billy\"}]}}", status:200, response_headers:{})))
    object = ExampleClient.babies
    expect(object.children.eldest.first).to be_instance_of(ExampleOtherClient)
  end

  it "should instantiate other classes using has_one when required to do so" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/single", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"single\":{\"name\":\"Billy\"}}", status:200, response_headers:{})))
    object = ExampleClient.single_association
    expect(object.single).to be_instance_of(ExampleSingleClient)
  end

  it "should instantiate other classes using has_one even if nested off the root" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/single", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"children\":[{\"single\":{\"name\":\"Billy\"}}, {\"single\":{\"name\":\"Sharon\"}}]}", status:200, response_headers:{})))
    object = ExampleClient.single_association
    expect(object.children.first.single).to be_instance_of(ExampleSingleClient)
  end

  it "should assign new attributes to the existing object if possible" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{})))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    object.create
    expect(object.first_name).to eq("John")
    expect(object.should_disappear).to eq(nil)
    expect(object.id).to eq(1234)
  end

  it "should expose etag if available" do
    response = ::FaradayResponseMock.new(OpenStruct.new(body: "{}", response_headers: {"ETag" => "123456"}, status: 200))
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/123", an_instance_of(Hash)).and_return(response)
    object = ExampleClient.find(123)
    expect(object._etag).to eq("123456")
  end

  it "should expose all headers" do
    response = ::FaradayResponseMock.new(OpenStruct.new(body: "{}", response_headers: {"X-Test-Header" => "true"}, status: 200))
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/123", an_instance_of(Hash)).and_return(response)
    object = ExampleClient.find(123)
    expect(object._headers["X-Test-Header"]).to eq("true")
  end

  it "should expose all headers on collection" do
    response = ::FaradayResponseMock.new(OpenStruct.new(body: "[{}]", response_headers: {"X-Test-Header" => "true"}, status: 200))
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/123", an_instance_of(Hash)).and_return(response)
    object = ExampleClient.find(123)
    expect(object._headers["X-Test-Header"]).to eq("true")
  end

  it "should clearly pass through 200 status responses" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:200)))
    expect(Flexirest::Logger).to receive(:info).with(%r'Requesting http://www.example.com/create')
    expect(Flexirest::Logger).to receive(:debug).at_least(1).times.with(%r'(Response received \d+ bytes|Trying to read from cache)')

    object = ExampleClient.new(first_name:"John", should_disappear:true)
    object.create
    expect(object._status).to eq(200)
  end

  it "should debug log 200 responses" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:200)))
    expect(Flexirest::Logger).to receive(:info).with(%r'Requesting http://www.example.com/create')
    expect(Flexirest::Logger).to receive(:debug).at_least(1).times.with(%r'(Response received \d+ bytes|Trying to read from cache)')

    object = ExampleClient.new(first_name:"John", should_disappear:true)
    object.create
  end

  it "should verbose debug the with the right http verb" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:200)))
    expect(Flexirest::Logger).to receive(:debug).with(/ POST /)
    allow(Flexirest::Logger).to receive(:debug).with(any_args)

    object = VerboseExampleClient.new(first_name:"John", should_disappear:true)
    object.create
  end

  it "should verbose log if enabled" do
    connection = double(Flexirest::Connection).as_null_object
    expect(Flexirest::ConnectionManager).to receive(:get_connection).and_return(connection)
    expect(connection).to receive(:get).with("/all", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{"Content-Type" => "application/json", "Connection" => "close"})))
    expect(Flexirest::Logger).to receive(:debug).with("Flexirest Verbose Log:")
    expect(Flexirest::Logger).to receive(:debug).with(/ >> /).at_least(:twice)
    expect(Flexirest::Logger).to receive(:debug).with(/ << /).at_least(:twice)
    allow(Flexirest::Logger).to receive(:debug).with(any_args)
    VerboseExampleClient.all
  end

  it "should raise an unauthorised exception for 401 errors" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:401)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue Flexirest::HTTPUnauthorisedClientException => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPUnauthorisedClientException)
    expect(e.status).to eq(401)
    expect(e.result.first_name).to eq("John")
  end

  it "should raise a forbidden client exception for 403 errors" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:403)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue Flexirest::HTTPForbiddenClientException => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPForbiddenClientException)
    expect(e.status).to eq(403)
    expect(e.result.first_name).to eq("John")
  end

  it "should raise a not found client exception for 404 errors" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:404)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue Flexirest::HTTPNotFoundClientException => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPNotFoundClientException)
    expect(e.status).to eq(404)
    expect(e.result.first_name).to eq("John")
  end

  it "should raise a client exceptions for 4xx errors" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:409)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue Flexirest::HTTPClientException => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPClientException)
    expect(e.status).to eq(409)
    expect(e.result.first_name).to eq("John")
  end

  it "should raise a server exception for 5xx errors" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:500)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue Flexirest::HTTPServerException => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPServerException)
    expect(e.status).to eq(500)
    expect(e.result.first_name).to eq("John")
  end

  it "should return a useful message for errors" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:500)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue Flexirest::HTTPServerException => e
      e
    end
    expect(e.message).to eq(%q{Sending POST to '/create' returned a 500 with the body of - {"first_name":"John", "id":1234}})
  end

  it "should raise a parse exception for invalid JSON returns" do
    error_content = "<h1>500 Server Error</h1>"
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:error_content, response_headers:{'Content-Type' => 'text/html'}, status:500)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPServerException)
    expect(e.status).to eq(500)
    expect(e.result).to eq(error_content)
  end

  it "should raise a bad request exception for 400 response status" do
    error_content = "<h1>400 Bad Request</h1>"
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:error_content, response_headers:{'Content-Type' => 'text/html'}, status:400)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPBadRequestClientException)
    expect(e.status).to eq(400)
    expect(e.result).to eq(error_content)
  end

  it "should raise response parse exception for 200 response status and non json content type" do
    error_content = "<h1>malformed json</h1>"
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:error_content, response_headers:{'Content-Type' => 'text/html'}, status:200)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue => e
      e
    end
    expect(e).to be_instance_of(Flexirest::ResponseParseException)
    expect(e.status).to eq(200)
    expect(e.body).to eq(error_content)
  end

  it "should not override the attributes of the existing object on error response status" do
    expect_any_instance_of(Flexirest::Connection).
      to receive(:post).
      with("/create", "first_name=John&should_disappear=true", an_instance_of(Hash)).
      and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"errors": ["validation": "error in validation"]}', response_headers:{'Content-Type' => 'text/html'}, status:400)))
    object = ExampleClient.new(first_name:"John", should_disappear:true)
    begin
      object.create
    rescue => e
      e
    end
    expect(e).to be_instance_of(Flexirest::HTTPBadRequestClientException)
    expect(e.status).to eq(400)
    expect(object.first_name).to eq 'John'
    expect(object.errors).to eq(nil)
  end

  it "should raise an exception if you try to pass in an unsupport method" do
    method = {:method => :wiggle, url:"/"}
    class RequestFakeObject < Flexirest::Base
      base_url "http://www.example.com/"

      def request_body_type
        :form_encoded
      end

      def username ; end
      def password ; end
      def name ; end
      def _filter_request(*args) ; end
      def verbose ; false ; end
    end
    fake_object = RequestFakeObject.new
    request = Flexirest::Request.new(method, fake_object, {})
    allow(fake_object).to receive(:read_cached_response).and_return(nil)
    expect{request.call}.to raise_error(Flexirest::InvalidRequestException)
  end

  it "should send all class mapped methods through _filter_request" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"expenses\":[{\"amount\":1}, {\"amount\":2}]}", status:200, response_headers:{})))
    expect(ExampleClient).to receive(:_filter_request).with(any_args).exactly(2).times
    ExampleClient.all
  end

  it "should send all instance mapped methods through _filter_request" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"expenses\":[{\"amount\":1}, {\"amount\":2}]}", status:200, response_headers:{})))
    expect(ExampleClient).to receive(:_filter_request).with(any_args).exactly(2).times
    e = ExampleClient.new
    e.all
  end

  it "should change the generated object if an after_filter changes it" do
    expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/change", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"Johnny\", \"expenses\":[{\"amount\":1}, {\"amount\":2}]}", status:200, response_headers:{})))
    obj = ExampleClient.change
    expect(obj.test).to eq(1)
  end

  context "Direct URL requests" do
    class SameServerExampleClient < Flexirest::Base
      URL = "http://www.example.com/some/url"
      base_url "http://www.example.com/v1"
      get :same_server, "/does-not-matter", url:URL
    end

    class OtherServerExampleClient < Flexirest::Base
      URL = "http://other.example.com/some/url"
      base_url "http://www.example.com/v1"
      get :other_server, "/does-not-matter", url:URL
    end

    it "should allow requests directly to URLs" do
      Flexirest::ConnectionManager.reset!
      expect_any_instance_of(Flexirest::Connection).
        to receive(:get).
        with("/some/url", an_instance_of(Hash)).
        and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:200)))
      SameServerExampleClient.same_server
    end

    it "should allow requests directly to URLs even if to different URLs" do
      Flexirest::ConnectionManager.reset!
      connection = double("Connection")
      expect(connection).
        to receive(:get).
        with("/some/url", an_instance_of(Hash)).
        and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{}", response_headers:{}, status:304)))
      allow(connection).
        to receive(:base_url).
        and_return("http://other.example.com")
      expect(Flexirest::ConnectionManager).to receive(:find_connection_for_url).with(OtherServerExampleClient::URL).and_return(connection)
      OtherServerExampleClient.other_server
    end

    it "should allow requests to partial URLs using the current base_url" do
      Flexirest::ConnectionManager.reset!
      connection = double("Connection")
      allow(connection).to receive(:base_url).and_return("http://www.example.com")
      expect(Flexirest::ConnectionManager).to receive(:get_connection).with("http://www.example.com").and_return(connection)
      expect(connection).
        to receive(:get).
        with("/v1/people", an_instance_of(Hash)).
        and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{\"first_name\":\"John\", \"id\":1234}", response_headers:{}, status:200)))
      @obj = SameServerExampleClient._request('/people')
    end
  end

  # HAL is Hypermedia Application Language
  context "HAL" do
    let(:hal) { ExampleClient.hal }

    it "should request a HAL response or plain JSON" do
      expect_any_instance_of(Flexirest::Connection).to receive(:get){ |connection, path, options|
        expect(path).to eq('/headers')
        expect(options[:headers]).to include("Accept" => "application/hal+json, application/json;q=0.5")
      }.and_return(::FaradayResponseMock.new(OpenStruct.new(body:'{"result":true}', response_headers:{})))
      ExampleClient.headers
    end

    it "should recognise a HAL response" do
      method = {:method => :get, url:"/"}
      class RequestFakeObject
        def base_url
          "http://www.example.com/"
        end

        def name ; end
        def _filter_request(*args) ; end
      end
      fake_object = RequestFakeObject.new
      request = Flexirest::Request.new(method, fake_object, {})
      request.instance_variable_set(:@response, OpenStruct.new(response_headers:{"Content-Type" => "application/hal+json"}))
      expect(request.hal_response?).to be_truthy
      request.instance_variable_set(:@response, OpenStruct.new(response_headers:{"Content-Type" => "application/json"}))
      expect(request.hal_response?).to be_truthy
      request.instance_variable_set(:@response, OpenStruct.new(response_headers:{"Content-Type" => "text/plain"}))
      expect(request.hal_response?).to be_falsey
      request.instance_variable_set(:@response, OpenStruct.new(response_headers:{"Content-Type" => ["text/plain", "application/hal+json"]}))
      expect(request.hal_response?).to be_truthy
      request.instance_variable_set(:@response, OpenStruct.new(response_headers:{"Content-Type" => ["text/plain", "application/json"]}))
      expect(request.hal_response?).to be_truthy
      request.instance_variable_set(:@response, OpenStruct.new(response_headers:{"Content-Type" => ["text/plain"]}))
      expect(request.hal_response?).to be_falsey
    end

    it "should map _links in to the normal attributes" do
      expect(hal.child).to be_an_instance_of(ExampleClient)
      expect(hal.cars.size).to eq(3)
    end

    it "should be able to use other attributes of _links using _hal_attributes method with a key" do
      expect(hal.child).to be_an_instance_of(ExampleClient)
      expect(hal.cars[2]._hal_attributes("name")).to eq('car_not_embed')
    end

    it "should use _embedded responses instead of lazy loading if possible" do
      expect(hal.child.name).to eq("Billy")
      expect(hal.cars.first.make).to eq("Bugatti")
    end

    it "should instantiate other classes defined using has_many when using _embedded responses" do
      expect(hal.other).to be_an(ExampleOtherClient)
    end

    it "should convert invalid _embedded responses in to lazy loading on error" do
      expect(hal.invalid.first).to be_an_instance_of(Flexirest::LazyAssociationLoader)
    end

    it "should lazy load _links attributes if not embedded" do
      expect(hal.lazy).to be_an_instance_of(Flexirest::LazyAssociationLoader)
      expect(hal.lazy.instance_variable_get(:@url)).to eq("/lazy/load")
    end
  end

  it "replaces the body completely in a filter" do
    expect_any_instance_of(Flexirest::Connection).to receive(:post).with("/save", "{\"id\":1234,\"name\":\"john\"}", an_instance_of(Hash)).and_return(::FaradayResponseMock.new(OpenStruct.new(body:"{}", response_headers:{})))
    FilteredBodyExampleClient.save id:1234, name:'john'
  end

  context 'Simulating Faraday connection in_parallel' do
    it 'should parse JSON and return a single object' do
      response = ::FaradayResponseMock.new(
        OpenStruct.new(body:"{\"result\":true, \"list\":[1,2,3,{\"test\":true}], \"created_at\":\"2012-03-04T01:02:03Z\", \"child\":{\"grandchild\":{\"test\":true}}}", response_headers:{}),
        false)
      expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true", an_instance_of(Hash)).and_return(response)
      object = ExampleClient.update id:1234, debug:true

      expect(object).to eq(nil)

      response.finish
      expect(object.result).to eq(true)
      expect(object.list.first).to eq(1)
      expect(object.list.last.test).to eq(true)
      expect(object.created_at).to be_an_instance_of(DateTime)
      expect(object.child.grandchild.test).to eq(true)
    end

    it 'should parse an array within JSON and return a result iterator' do
      response = ::FaradayResponseMock.new(
        OpenStruct.new(body:"[{\"first_name\":\"Johnny\"}, {\"first_name\":\"Billy\"}]", status:200, response_headers:{}),
        false)
      expect_any_instance_of(Flexirest::Connection).to receive(:get).with("/", an_instance_of(Hash)).and_return(response)
      object = ExampleClient.all

      expect(object).to eq(nil)

      response.finish
      expect(object).to be_instance_of(Flexirest::ResultIterator)
      expect(object.first.first_name).to eq("Johnny")
      expect(object[1].first_name).to eq("Billy")
      expect(object._status).to eq(200)
      object.each do |item|
        expect(item).to_not be_nil
      end
    end

    it 'should return a RequestDelegator object to wrap the result' do
      response = ::FaradayResponseMock.new(
        OpenStruct.new(body:"{\"result\":true, \"list\":[1,2,3,{\"test\":true}], \"created_at\":\"2012-03-04T01:02:03Z\", \"child\":{\"grandchild\":{\"test\":true}}}", response_headers:{}),
        false)
      expect_any_instance_of(Flexirest::Connection).to receive(:put).with("/put/1234", "debug=true", an_instance_of(Hash)).and_return(response)
      object = ExampleClient.update id:1234, debug:true
      response.finish

      expect(object.class).to eq(ExampleClient)
      expect(object.kind_of?(ExampleClient)).to be_truthy
      expect(object.is_a?(ExampleClient)).to be_truthy
      expect(object._delegate?).to be_truthy
    end
  end

  it "should ignore a specified root element" do
    expect(IgnoredRootExampleClient.root.title).to eq("Example Feed")
  end
end