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require 'spec_helper'
describe Mongo::Protocol::Delete do
let(:opcode) { 2006 }
let(:db) { TEST_DB }
let(:coll) { TEST_COLL }
let(:ns) { "#{db}.#{coll}" }
let(:selector) { { :name => 'Tyler' } }
let(:options) { Hash.new }
let(:message) do
described_class.new(db, coll, selector, options)
end
describe '#initialize' do
it 'sets the namepsace' do
expect(message.namespace).to eq(ns)
end
it 'sets the selector' do
expect(message.selector).to eq(selector)
end
context 'when options are provided' do
context 'when flags are provided' do
let(:options) { { :flags => [:single_remove] } }
it 'sets the flags' do
expect(message.flags).to eq(options[:flags])
end
end
end
end
describe '#==' do
context 'when the other is a delete' do
context 'when the fields are equal' do
let(:other) do
described_class.new(db, coll, selector, options)
end
it 'returns true' do
expect(message).to eq(other)
end
end
context 'when the database is not equal' do
let(:other) do
described_class.new('tyler', coll, selector, options)
end
it 'returns false' do
expect(message).not_to eq(other)
end
end
context 'when the collection is not equal' do
let(:other) do
described_class.new(db, 'tyler', selector, options)
end
it 'returns false' do
expect(message).not_to eq(other)
end
end
context 'when the selector is not equal' do
let(:other) do
described_class.new(db, coll, { :a => 1 }, options)
end
it 'returns false' do
expect(message).not_to eq(other)
end
end
context 'when the options are not equal' do
let(:other) do
described_class.new(db, coll, selector, :flags => [:single_remove])
end
it 'returns false' do
expect(message).not_to eq(other)
end
end
end
context 'when the other is not a delete' do
let(:other) do
expect(message).not_to eq('test')
end
end
end
describe '#hash' do
let(:values) do
message.send(:fields).map do |field|
message.instance_variable_get(field[:name])
end
end
it 'returns a hash of the field values' do
expect(message.hash).to eq(values.hash)
end
end
describe '#replyable?' do
it 'returns false' do
expect(message).to_not be_replyable
end
end
describe '#serialize' do
let(:bytes) { message.serialize }
include_examples 'message with a header'
describe 'zero' do
let(:field) { bytes.to_s[16..19] }
it 'serializes a zero' do
expect(field).to be_int32(0)
end
end
describe 'namespace' do
let(:field) { bytes.to_s[20..36] }
it 'serializes the namespace' do
expect(field).to be_cstring(ns)
end
end
describe 'flags' do
let(:field) { bytes.to_s[37..40] }
context 'when no flags are provided' do
it 'does not set any bits' do
expect(field).to be_int32(0)
end
end
context 'when flags are provided' do
let(:options) { { :flags => flags } }
context 'single remove flag' do
let(:flags) { [:single_remove] }
it 'sets the first bit' do
expect(field).to be_int32(1)
end
end
end
end
describe 'selector' do
let(:field) { bytes.to_s[41..-1] }
it 'serializes the selector' do
expect(field).to be_bson(selector)
end
end
end
describe '#registry' do
context 'when the class is loaded' do
it 'registers the op code in the Protocol Registry' do
expect(Mongo::Protocol::Registry.get(described_class::OP_CODE)).to be(described_class)
end
it 'creates an #op_code instance method' do
expect(message.op_code).to eq(described_class::OP_CODE)
end
end
end
end
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