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require 'spec_helper'
describe Mongo::Collection::View::Builder::FindCommand do
describe '#specification' do
let(:view) do
Mongo::Collection::View.new(authorized_collection, filter, options)
end
let(:builder) do
described_class.new(view, nil)
end
let(:specification) do
builder.specification
end
let(:selector) do
specification[:selector]
end
context 'when the options are standard' do
let(:filter) do
{ 'name' => 'test' }
end
let(:options) do
{
sort: { _id: 1 },
projection: { name: 1 },
hint: { name: 1 },
skip: 10,
limit: 20,
batch_size: 5,
single_batch: false,
comment: "testing",
max_scan: 200,
max_time_ms: 40,
max_value: { name: 'joe' },
min_value: { name: 'albert' },
return_key: true,
show_disk_loc: true,
snapshot: true,
tailable: true,
oplog_replay: true,
no_cursor_timeout: true,
await_data: true,
allow_partial_results: true,
collation: { locale: 'en_US' }
}
end
context 'when the operation has a session' do
let(:session) do
double('session')
end
let(:builder) do
described_class.new(view, session)
end
it 'adds the session to the specification' do
expect(builder.specification[:session]).to be(session)
end
end
it 'maps the collection name' do
expect(selector['find']).to eq(authorized_collection.name)
end
it 'maps the filter' do
expect(selector['filter']).to eq(filter)
end
it 'maps sort' do
expect(selector['sort']).to eq('_id' => 1)
end
it 'maps projection' do
expect(selector['projection']).to eq('name' => 1)
end
it 'maps hint' do
expect(selector['hint']).to eq('name' => 1)
end
it 'maps skip' do
expect(selector['skip']).to eq(10)
end
it 'maps limit' do
expect(selector['limit']).to eq(20)
end
it 'maps batch size' do
expect(selector['batchSize']).to eq(5)
end
it 'maps single batch' do
expect(selector['singleBatch']).to be false
end
it 'maps comment' do
expect(selector['comment']).to eq('testing')
end
it 'maps max scan' do
expect(selector['maxScan']).to eq(200)
end
it 'maps max time ms' do
expect(selector['maxTimeMS']).to eq(40)
end
it 'maps max' do
expect(selector['max']).to eq('name' => 'joe')
end
it 'maps min' do
expect(selector['min']).to eq('name' => 'albert')
end
it 'maps return key' do
expect(selector['returnKey']).to be true
end
it 'maps show record id' do
expect(selector['showRecordId']).to be true
end
it 'maps snapshot' do
expect(selector['snapshot']).to be true
end
it 'maps tailable' do
expect(selector['tailable']).to be true
end
it 'maps oplog replay' do
expect(selector['oplogReplay']).to be true
end
it 'maps no cursor timeout' do
expect(selector['noCursorTimeout']).to be true
end
it 'maps await data' do
expect(selector['awaitData']).to be true
end
it 'maps allow partial results' do
expect(selector['allowPartialResults']).to be true
end
it 'maps collation' do
expect(selector['collation']).to eq('locale' => 'en_US')
end
end
context 'when there is a limit' do
let(:filter) do
{ 'name' => 'test' }
end
context 'when limit is 0' do
context 'when batch_size is also 0' do
let(:options) do
{ limit: 0, batch_size: 0 }
end
it 'does not set the singleBatch' do
expect(selector['singleBatch']).to be nil
end
it 'does not set the limit' do
expect(selector['limit']).to be nil
end
it 'does not set the batch size' do
expect(selector['batchSize']).to be nil
end
end
context 'when batch_size is not set' do
let(:options) do
{ limit: 0 }
end
it 'does not set the singleBatch' do
expect(selector['singleBatch']).to be nil
end
it 'does not set the limit' do
expect(selector['limit']).to be nil
end
it 'does not set the batch size' do
expect(selector['batchSize']).to be nil
end
end
end
context 'when the limit is negative' do
context 'when there is a batch_size' do
context 'when the batch_size is positive' do
let(:options) do
{ limit: -1, batch_size: 3 }
end
it 'sets single batch to true' do
expect(selector['singleBatch']).to be true
end
it 'converts the limit to a positive value' do
expect(selector['limit']).to be(options[:limit].abs)
end
it 'sets the batch size' do
expect(selector['batchSize']).to be(options[:batch_size])
end
end
context 'when the batch_size is negative' do
let(:options) do
{ limit: -1, batch_size: -3 }
end
it 'sets single batch to true' do
expect(selector['singleBatch']).to be true
end
it 'converts the limit to a positive value' do
expect(selector['limit']).to be(options[:limit].abs)
end
it 'sets the batch size to the limit' do
expect(selector['batchSize']).to be(options[:limit].abs)
end
end
end
context 'when there is not a batch_size' do
let(:options) do
{ limit: -5 }
end
it 'sets single batch to true' do
expect(selector['singleBatch']).to be true
end
it 'converts the limit to a positive value' do
expect(selector['limit']).to be(options[:limit].abs)
end
it 'does not set the batch size' do
expect(selector['batchSize']).to be_nil
end
end
end
context 'when the limit is positive' do
context 'when there is a batch_size' do
context 'when the batch_size is positive' do
let(:options) do
{ limit: 5, batch_size: 3 }
end
it 'does not set singleBatch' do
expect(selector['singleBatch']).to be nil
end
it 'sets the limit' do
expect(selector['limit']).to be(options[:limit])
end
it 'sets the batch size' do
expect(selector['batchSize']).to be(options[:batch_size])
end
end
context 'when the batch_size is negative' do
let(:options) do
{ limit: 5, batch_size: -3 }
end
it 'sets the singleBatch' do
expect(selector['singleBatch']).to be true
end
it 'sets the limit' do
expect(selector['limit']).to be(options[:limit])
end
it 'sets the batch size to a positive value' do
expect(selector['batchSize']).to be(options[:batch_size].abs)
end
end
end
context 'when there is not a batch_size' do
let(:options) do
{ limit: 5 }
end
it 'does not set the singleBatch' do
expect(selector['singleBatch']).to be nil
end
it 'sets the limit' do
expect(selector['limit']).to be(options[:limit])
end
it 'does not set the batch size' do
expect(selector['batchSize']).to be nil
end
end
end
end
context 'when there is a batch_size' do
let(:filter) do
{ 'name' => 'test' }
end
context 'when there is no limit' do
context 'when the batch_size is positive' do
let(:options) do
{ batch_size: 3 }
end
it 'does not set the singleBatch' do
expect(selector['singleBatch']).to be nil
end
it 'does not set the limit' do
expect(selector['limit']).to be nil
end
it 'sets the batch size' do
expect(selector['batchSize']).to be(options[:batch_size])
end
end
context 'when the batch_size is negative' do
let(:options) do
{ batch_size: -3 }
end
it 'sets the singleBatch' do
expect(selector['singleBatch']).to be true
end
it 'does not set the limit' do
expect(selector['limit']).to be nil
end
it 'sets the batch size to a positive value' do
expect(selector['batchSize']).to be(options[:batch_size].abs)
end
end
context 'when batch_size is 0' do
let(:options) do
{ batch_size: 0 }
end
it 'does not set the singleBatch' do
expect(selector['singleBatch']).to be nil
end
it 'does not set the limit' do
expect(selector['limit']).to be nil
end
it 'does not set the batch size' do
expect(selector['batchSize']).to be nil
end
end
end
end
context 'when limit and batch_size are negative' do
let(:filter) do
{ 'name' => 'test' }
end
let(:options) do
{ limit: -1, batch_size: -3 }
end
it 'sets single batch to true' do
expect(selector['singleBatch']).to be true
end
it 'converts the limit to a positive value' do
expect(selector['limit']).to be(options[:limit].abs)
end
end
context 'when cursor_type is specified' do
let(:filter) do
{ 'name' => 'test' }
end
context 'when cursor_type is :tailable' do
let(:options) do
{
cursor_type: :tailable,
}
end
it 'maps to tailable' do
expect(selector['tailable']).to be true
end
it 'does not map to awaitData' do
expect(selector['awaitData']).to be_nil
end
end
context 'when cursor_type is :tailable_await' do
let(:options) do
{
cursor_type: :tailable_await,
}
end
it 'maps to tailable' do
expect(selector['tailable']).to be true
end
it 'maps to awaitData' do
expect(selector['awaitData']).to be true
end
end
end
context 'when the collection has a read concern defined' do
let(:collection) do
authorized_collection.with(read_concern: { level: 'invalid' })
end
let(:view) do
Mongo::Collection::View.new(collection, {})
end
it 'applies the read concern of the collection' do
expect(selector['readConcern']).to eq(BSON::Document.new(level: 'invalid'))
end
context 'when explain is called for the find' do
let(:collection) do
authorized_collection.with(read_concern: { level: 'invalid' })
end
let(:view) do
Mongo::Collection::View.new(collection, {})
end
it 'applies the read concern of the collection' do
expect( builder.explain_specification[:selector][:explain][:readConcern]).to eq(BSON::Document.new(level: 'invalid'))
end
end
end
context 'when the collection does not have a read concern defined' do
let(:filter) do
{}
end
let(:options) do
{}
end
it 'does not apply a read concern' do
expect(selector['readConcern']).to be_nil
end
end
end
end
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