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require 'spec_helper'
describe Mongo::Operation::Result do
let(:result) do
described_class.new(reply)
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
describe '#acknowledged?' do
context 'when the reply is for a read command' do
let(:documents) do
[{ 'ismaster' => true, 'ok' => 1.0 }]
end
it 'returns true' do
expect(result).to be_acknowledged
end
end
context 'when the reply is for a write command' do
context 'when the command was acknowledged' do
let(:documents) do
[{ "ok" => 1, "n" => 2 }]
end
it 'returns true' do
expect(result).to be_acknowledged
end
end
context 'when the command was not acknowledged' do
let(:reply) { nil }
it 'returns false' do
expect(result).to_not be_acknowledged
end
end
end
end
describe '#cursor_id' do
context 'when the reply exists' do
let(:cursor_id) { 5 }
it 'delegates to the reply' do
expect(result.cursor_id).to eq(5)
end
end
context 'when the reply does not exist' do
let(:reply) { nil }
it 'returns zero' do
expect(result.cursor_id).to eq(0)
end
end
end
describe '#documents' do
context 'when the result is for a command' do
context 'when a reply is received' do
let(:documents) do
[{ "ok" => 1, "n" => 2 }]
end
it 'returns the documents' do
expect(result.documents).to eq(documents)
end
end
context 'when a reply is not received' do
let(:reply) { nil }
it 'returns an empty array' do
expect(result.documents).to be_empty
end
end
end
end
describe '#each' do
let(:documents) do
[{ "ok" => 1, "n" => 2 }]
end
context 'when a block is given' do
it 'yields to each document' do
result.each do |document|
expect(document).to eq(documents.first)
end
end
end
context 'when no block is given' do
it 'returns an enumerator' do
expect(result.each).to be_a(Enumerator)
end
end
end
describe '#initialize' do
it 'sets the replies' do
expect(result.replies).to eq([ reply ])
end
end
describe '#returned_count' do
context 'when the reply is for a read command' do
let(:documents) do
[{ 'ismaster' => true, 'ok' => 1.0 }]
end
it 'returns the number returned' do
expect(result.returned_count).to eq(1)
end
end
context 'when the reply is for a write command' do
context 'when the write is acknowledged' do
let(:documents) do
[{ "ok" => 1, "n" => 2 }]
end
it 'returns the number returned' do
expect(result.returned_count).to eq(1)
end
end
context 'when the write is not acknowledged' do
let(:reply) { nil }
it 'returns zero' do
expect(result.returned_count).to eq(0)
end
end
end
end
describe '#successful?' do
context 'when the reply is for a read command' do
let(:documents) do
[{ 'ismaster' => true, 'ok' => 1.0 }]
end
it 'returns true' do
expect(result).to be_successful
end
end
context 'when the reply is for a query' do
context 'when the query has no errors' do
let(:documents) do
[{ 'field' => 'name' }]
end
it 'returns true' do
expect(result).to be_successful
end
end
context 'when the query has errors' do
let(:documents) do
[{ '$err' => 'not authorized for query on test.system.namespaces', 'code'=> 16550 }]
end
it 'returns false' do
expect(result).to_not be_successful
end
end
context 'when the query reply has the cursor_not_found flag set' do
let(:flags) do
[ :cursor_not_found ]
end
let(:documents) do
[]
end
it 'returns false' do
expect(result).to_not be_successful
end
end
end
context 'when the reply is for a write command' do
context 'when the write is acknowledged' do
context 'when ok is 1' do
let(:documents) do
[{ "ok" => 1, "n" => 2 }]
end
it 'returns true' do
expect(result).to be_successful
end
end
context 'when ok is not 1' do
let(:documents) do
[{ "ok" => 0, "n" => 0 }]
end
it 'returns false' do
expect(result).to_not be_successful
end
end
end
context 'when the write is not acknowledged' do
let(:reply) { nil }
it 'returns true' do
expect(result).to be_successful
end
end
end
end
describe '#written_count' do
context 'when the reply is for a read command' do
let(:documents) do
[{ 'ismaster' => true, 'ok' => 1.0 }]
end
it 'returns the number written' do
expect(result.written_count).to eq(0)
end
end
context 'when the reply is for a write command' do
let(:documents) do
[{ "ok" => 1, "n" => 2 }]
end
it 'returns the number written' do
expect(result.written_count).to eq(2)
end
end
end
context 'when there is a top-level Result class defined' do
before do
class Result
def get_result(address)
Mongo::Client.new([address], TEST_OPTIONS).database.command(:ping => 1)
end
end
end
let(:result) do
Result.new.get_result(default_address.to_s)
end
it 'uses the Result class of the operation' do
expect(result).to be_a(Mongo::Operation::Result)
end
end
end
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