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# frozen_string_literal: true
# rubocop:todo all
require 'spec_helper'
describe Mongo::Operation::Aggregate::Result do
let(:description) do
Mongo::Server::Description.new(
double('description address'),
{ 'minWireVersion' => 0, 'maxWireVersion' => 2 }
)
end
let(:result) do
described_class.new(reply, description)
end
let(:cursor_id) { 0 }
let(:documents) { [] }
let(:flags) { [] }
let(:starting_from) { 0 }
let(:reply) do
Mongo::Protocol::Reply.new.tap do |reply|
reply.instance_variable_set(:@flags, flags)
reply.instance_variable_set(:@cursor_id, cursor_id)
reply.instance_variable_set(:@starting_from, starting_from)
reply.instance_variable_set(:@number_returned, documents.size)
reply.instance_variable_set(:@documents, documents)
end
end
let(:aggregate) do
[
{ '_id' => 'New York', 'totalpop' => 40270 },
{ '_id' => 'Berlin', 'totalpop' => 103056 }
]
end
describe '#cursor_id' do
context 'when the result is not using a cursor' do
let(:documents) do
[{ 'result' => aggregate, 'ok' => 1.0 }]
end
it 'returns zero' do
expect(result.cursor_id).to eq(0)
end
end
context 'when the result is using a cursor' do
let(:documents) do
[{ 'cursor' => { 'id' => 15, 'ns' => 'test', 'firstBatch' => aggregate }, 'ok' => 1.0 }]
end
it 'returns the cursor id' do
expect(result.cursor_id).to eq(15)
end
end
end
describe '#documents' do
context 'when the result is not using a cursor' do
let(:documents) do
[{ 'result' => aggregate, 'ok' => 1.0 }]
end
it 'returns the documents' do
expect(result.documents).to eq(aggregate)
end
end
context 'when the result is using a cursor' do
let(:documents) do
[{ 'cursor' => { 'id' => 15, 'ns' => 'test', 'firstBatch' => aggregate }, 'ok' => 1.0 }]
end
it 'returns the documents' do
expect(result.documents).to eq(aggregate)
end
end
end
end
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