require 'spec_helper'

describe SendGrid::StatsResponse do
  let(:params) do
    [{
      'date' => '2017-10-01',
      'stats' => [
        { 'metrics' =>
          {
            'blocks' => 101,
            'bounce_drops' => 102,
            'bounces' => 103,
            'clicks' => 104,
            'deferred' => 105,
            'delivered' => 106,
            'invalid_emails' => 107,
            'opens' => 108,
            'processed' => 109,
            'requests' => 110,
            'spam_report_drops' => 111,
            'spam_reports' => 112,
            'unique_clicks' => 113,
            'unique_opens' => 114,
            'unsubscribe_drops' => 115,
            'unsubscribes' => 116
          } }
      ]
    }]
  end

  subject { described_class.new(params) }

  it 'initialized with JSON response body' do
    expect(subject).to be_a SendGrid::StatsResponse
  end

  describe '#metrics' do
    it 'returns an array of metrics' do
      metric = subject.metrics.first

      expect(subject.metrics).to be_a Array
      expect(metric.date.to_s).to eq('2017-10-01')
      expect(metric.requests).to eq(110)
      expect(metric.clicks).to eq(104)
      expect(metric.bounces).to eq(103)
      expect(metric.opens).to eq(108)
    end
  end

  context 'errors' do
    let(:error_params) do
      {
        'errors' => [
          {
            'message' => 'end_date should be a YYYY-MM-DD formatted date'
          }
        ]
      }
    end

    subject { described_class.new(error_params) }

    describe '#errors' do
      it 'shows a list of errors' do
        expect(subject.errors).to include('end_date should be a YYYY-MM-DD formatted date')
      end
    end

    describe '#error?' do
      it 'returns true if there is an error' do
        expect(subject.error?).to be_truthy
      end
    end
  end
end