require 'spec_helper'

describe Appsignal::Transmitter do
  let(:_80beans_) { 'http://www.80beans.com' }
  let(:action) { 'action' }
  let(:klass) { Appsignal::Transmitter }
  let(:instance) { klass.new(_80beans_, action, :the_api_key) }
  subject { instance }

  describe "#uri" do
    it "returns the uri" do
      Socket.stub(:gethostname => 'app1.local')
      uri = subject.uri.to_s
      uri.should include "http://www.80beans.com/action?"
      uri.should include "api_key=the_api_key"
      uri.should include "hostname=app1.local"
      uri.should include "gem_version=#{Appsignal::VERSION}"
    end
  end

  describe "#transmit" do
    let(:response) { mock(:response, :code => '200') }
    let(:http_client) { mock(:request, :request => response) }
    before { instance.stub(:http_client => http_client) }

    subject { instance.transmit(:shipit => :payload) }

    it { should == '200' }
  end

  describe "#http_post" do
    it "calls Net::HTTP.post_form with the correct params" do
      post = mock(:post)
      post.should_receive(:[]=).
        with('Content-Type', 'application/json; charset=UTF-8')
      post.should_receive(:[]=).
        with('Content-Encoding', 'gzip')
      post.should_receive(:body=).
        with(Zlib::Deflate.deflate("{\"the\":\"payload\"}", Zlib::BEST_SPEED))
      Socket.stub(:gethostname => 'app1.local')

      Net::HTTP::Post.should_receive(:new).with(
        instance.uri.request_uri
      ).and_return(post)
      instance.send(:http_post, :the => :payload)
    end
  end

  describe ".CA_FILE_PATH" do
    subject { Appsignal::Transmitter::CA_FILE_PATH }

    it { should include('resources/cacert.pem') }
    it("should exist") { File.exists?(subject).should be_true }
  end

  describe "#http_client" do
    subject { instance.send(:http_client) }

    context "with a http uri" do
      it { should be_instance_of(Net::HTTP) }

      its(:use_ssl?) { should be_false }
    end

    context "with a https uri" do
      let(:instance) { klass.new('https://www.80beans.com', action, :the_api_key) }

      its(:use_ssl?) { should be_true }
      its(:verify_mode) { should == OpenSSL::SSL::VERIFY_PEER }
      its(:ca_file) { Appsignal::Transmitter::CA_FILE_PATH }
    end
  end
end