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require 'spec_helper'
describe Mongo::Collection::View::Builder::Flags do
describe '.map_flags' do
shared_examples_for 'a flag mapper' do
let(:flags) do
described_class.map_flags(options)
end
it 'maps allow partial results' do
expect(flags).to include(:partial)
end
it 'maps oplog replay' do
expect(flags).to include(:oplog_replay)
end
it 'maps no cursor timeout' do
expect(flags).to include(:no_cursor_timeout)
end
it 'maps tailable' do
expect(flags).to include(:tailable_cursor)
end
it 'maps await data' do
expect(flags).to include(:await_data)
end
it 'maps exhaust' do
expect(flags).to include(:exhaust)
end
end
context 'when the options are standard' do
let(:options) do
{
:allow_partial_results => true,
:oplog_replay => true,
:no_cursor_timeout => true,
:tailable => true,
:await_data => true,
:exhaust => true
}
end
it_behaves_like 'a flag mapper'
end
context 'when the options already have flags' do
let(:options) do
{
:flags => [
:partial,
:oplog_replay,
:no_cursor_timeout,
:tailable_cursor,
:await_data,
:exhaust
]
}
end
it_behaves_like 'a flag mapper'
end
context 'when the options include tailable_await' do
let(:options) do
{ :tailable_await => true }
end
let(:flags) do
described_class.map_flags(options)
end
it 'maps the await data option' do
expect(flags).to include(:await_data)
end
it 'maps the tailable option' do
expect(flags).to include(:tailable_cursor)
end
end
context 'when the options provide a cursor type' do
let(:options) do
{ :cursor_type => :await_data }
end
let(:flags) do
described_class.map_flags(options)
end
it 'maps the cursor type to a flag' do
expect(flags).to include(:await_data)
end
end
end
end
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