# frozen_string_literal: true

describe Facter::Resolvers::Gce do
  let(:gce_metadata_url) { 'http://metadata.google.internal/computeMetadata/v1/?recursive=true&alt=json' }
  let(:gce_url_headers) { { "Metadata-Flavor": 'Google', "Accept": 'application/json' } }

  before do
    allow(Facter::Util::Resolvers::Http).to receive(:get_request)
      .with(gce_metadata_url, gce_url_headers, {}, false)
      .and_return(http_response_body)
  end

  after do
    Facter::Resolvers::Gce.invalidate_cache
  end

  shared_examples 'check GCE resolver called with metadata' do
    context 'when http request is successful' do
      let(:http_response_body) { load_fixture('gce').read }
      let(:value) do
        {
          'instance' => {
            'attributes' => {
              # resolver transforms key1\nkey2 into array of keys
              'ssh-keys' => [
                'john_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"john.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}',
                'jane_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"jane.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}'
              ],
              'sshKeys' => [
                'jill_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"jill.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}',
                'jacob_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"jacob.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}'
              ]
            },
            'cpuPlatform' => 'Intel Broadwell',
            'description' => '',
            'disks' => [
              {
                'deviceName' => 'instance-3',
                'index' => 0,
                'interface' => 'SCSI',
                'mode' => 'READ_WRITE',
                'type' => 'PERSISTENT'
              }
            ],
            'guestAttributes' => {},
            'hostname' => 'instance-3.c.facter-performance-history.internal',
            'id' => 2_206_944_706_428_651_580,
            'image' => 'ubuntu-2004-focal-v20200810',
            'legacyEndpointAccess' => {
              '0.1' => 0,
              'v1beta1' => 0
            },
            'licenses' => [
              {
                'id' => '2211838267635035815'
              }
            ],
            'machineType' => 'n1-standard-2',
            'maintenanceEvent' => 'NONE',
            'name' => 'instance-3',
            'networkInterfaces' => [
              {
                'accessConfigs' => [
                  {
                    'externalIp' => '34.89.230.102',
                    'type' => 'ONE_TO_ONE_NAT'
                  }
                ],
                'dnsServers' => [
                  '169.254.169.254'
                ],
                'forwardedIps' => [],
                'gateway' => '10.156.0.1',
                'ip' => '10.156.0.4',
                'ipAliases' => [],
                'mac' => '42:01:0a:9c:00:04',
                'mtu' => 1460,
                'network' => 'default',
                'subnetmask' => '255.255.240.0',
                'targetInstanceIps' => []
              }
            ],
            'preempted' => 'FALSE',
            'remainingCpuTime' => -1,
            'scheduling' => {
              'automaticRestart' => 'TRUE',
              'onHostMaintenance' => 'MIGRATE',
              'preemptible' => 'FALSE'
            },
            'serviceAccounts' => {
              '728618928092-compute@developer.gserviceaccount.com' => {
                'aliases' => [
                  'default'
                ],
                'email' => '728618928092-compute@developer.gserviceaccount.com',
                'scopes' => [
                  'https://www.googleapis.com/auth/devstorage.read_only',
                  'https://www.googleapis.com/auth/logging.write',
                  'https://www.googleapis.com/auth/monitoring.write',
                  'https://www.googleapis.com/auth/servicecontrol',
                  'https://www.googleapis.com/auth/service.management.readonly',
                  'https://www.googleapis.com/auth/trace.append'
                ]
              },
              'default' => {
                'aliases' => [
                  'default'
                ],
                'email' => '728618928092-compute@developer.gserviceaccount.com',
                'scopes' => [
                  'https://www.googleapis.com/auth/devstorage.read_only',
                  'https://www.googleapis.com/auth/logging.write',
                  'https://www.googleapis.com/auth/monitoring.write',
                  'https://www.googleapis.com/auth/servicecontrol',
                  'https://www.googleapis.com/auth/service.management.readonly',
                  'https://www.googleapis.com/auth/trace.append'
                ]
              }
            },
            'tags' => [],
            'virtualClock' => {
              'driftToken' => '0'
            },
            'zone' => 'europe-west3-c'
          },
          'oslogin' => {
            'authenticate' => {
              'sessions' => {}
            }
          },
          'project' => {
            'attributes' => {
              # resolver transforms key1\nkey2 into array of keys
              'ssh-keys' => ['john_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"john.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}',
                             'jane_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"jane.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}'],
              'sshKeys' => [
                'jill_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"jill.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}',
                'jacob_doe:ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDA9D8Op48TtEiDmb+Gtna3Bs9B google-ssh {"userName":"jacob.doe@puppet.com","expireOn":"2020-08-13T12:17:19+0000"}'
              ]
            },
            'numericProjectId' => 728_618_928_092,
            'projectId' => 'facter-performance-history'
          }
        }
      end

      it 'returns gce data' do
        result = Facter::Resolvers::Gce.resolve(:metadata)

        expect(result).to eq(value)
      end
    end
  end

  context 'when http request fails' do
    let(:http_response_body) { 'Request failed with error code: 404' }

    it 'returns nil' do
      result = Facter::Resolvers::Gce.resolve(:metadata)

      expect(result).to be(nil)
    end
  end

  describe 'with a proxy set' do
    before do
      stub_const('ENV', { 'http_proxy' => 'http://example.com' })
    end

    it_behaves_like 'check GCE resolver called with metadata'
  end
end
