# frozen_string_literal: true

require 'spec_helper'

describe Mongo::Operation::Command do
  require_no_required_api_version

  let(:selector) { { ping: 1 } }
  let(:options) { { limit: -1 } }
  let(:spec) do
    { selector: selector,
      options: options,
      db_name: SpecConfig.instance.test_db }
  end
  let(:op) { described_class.new(spec) }

  let(:context) { Mongo::Operation::Context.new }

  describe '#initialize' do
    it 'sets the spec' do
      expect(op.spec).to be(spec)
    end
  end

  describe '#==' do
    context 'when the ops have different specs' do
      let(:other_selector) { { ping: 1 } }
      let(:other_spec) do
        { selector: other_selector,
          options: {},
          db_name: 'test', }
      end
      let(:other) { described_class.new(other_spec) }

      it 'returns false' do
        expect(op).not_to eq(other)
      end
    end
  end

  describe '#execute' do
    context 'when the command succeeds' do
      let(:response) do
        op.execute(authorized_primary, context: context)
      end

      it 'returns the response' do
        expect(response).to be_successful
      end
    end

    context 'when the command fails' do
      let(:selector) do
        { notacommand: 1 }
      end

      it 'raises an exception' do
        expect do
          op.execute(authorized_primary, context: context)
        end.to raise_error(Mongo::Error::OperationFailure)
      end
    end

    context 'when a document exceeds max bson size' do
      let(:selector) do
        { hello: '1' * 17_000_000 }
      end

      it 'raises an error' do
        expect do
          op.execute(authorized_primary, context: context)
        end.to raise_error(Mongo::Error::MaxBSONSize)
      end
    end
  end
end
