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path: root/spec/server_spec.rb
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require 'chef_zero/server'
require 'net/http'
require 'uri'

describe ChefZero::Server do
  context 'with a server bound to port 8889' do
    before :each do
      @server = ChefZero::Server.new(:port => 8889)
      @server.start_background
    end
    after :each do
      @server.stop
    end

    it 'a second server bound to port 8889 throws EADDRINUSE' do
      expect { ChefZero::Server.new(:port => 8889).start }.to raise_error Errno::EADDRINUSE
    end

    it 'a server bound to range 8889-9999 binds to a port > 8889' do
      server = ChefZero::Server.new(:port => 8889.upto(9999))
      server.start_background
      expect(server.port).to be > 8889
      expect(URI(server.url).port).to be > 8889
    end

    it 'a server bound to range 8889-8889 throws an exception' do
      expect { ChefZero::Server.new(:port => 8889.upto(8889)).start_background }.to raise_error Errno::EADDRINUSE
    end

    context 'accept headers' do
      def get_nodes(accepts)
        uri = URI(@server.url)
        httpcall = Net::HTTP.new(uri.host, uri.port)
        httpcall.get('/nodes', 'Accept' => accepts)
      end

      def get_version
        uri = URI(@server.url)
        httpcall = Net::HTTP.new(uri.host, uri.port)
        httpcall.get('/version', 'Accept' => 'text/plain, application/json')
      end

      it 'accepts requests with no accept header' do
        request = Net::HTTP::Get.new('/nodes')
        request.delete('Accept')
        uri = URI(@server.url)
        response = Net::HTTP.new(uri.host, uri.port).request(request)
        expect(response.code).to eq '200'
      end

      it 'accepts requests with accept: application/json' do
        expect(get_nodes('application/json').code).to eq '200'
      end

      it 'accepts requests with accept: application/*' do
        expect(get_nodes('application/*').code).to eq '200'
      end

      it 'accepts requests with accept: application/*' do
        expect(get_nodes('*/*').code).to eq '200'
      end

      it 'denies requests with accept: application/blah' do
        expect(get_nodes('application/blah').code).to eq '406'
      end

      it 'denies requests with accept: blah/json' do
        expect(get_nodes('blah/json').code).to eq '406'
      end

      it 'denies requests with accept: blah/*' do
        expect(get_nodes('blah/*').code).to eq '406'
      end

      it 'denies requests with accept: blah/*' do
        expect(get_nodes('blah/*').code).to eq '406'
      end

      it 'denies requests with accept: <empty string>' do
        expect(get_nodes('').code).to eq '406'
      end

      it 'accepts requests with accept: a/b;a=b;c=d, application/json;a=b, application/xml;a=b' do
        expect(get_nodes('a/b;a=b;c=d, application/json;a=b, application/xml;a=b').code).to eq '200'
      end

      it 'accepts /version' do
        expect(get_version.body.start_with?('chef-zero')).to be true
      end
    end
  end
end