debian-mirror-gitlab/elasticsearch-rails/elasticsearch-model/spec/elasticsearch/model/importing_spec.rb

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2020-03-13 15:44:24 +05:30
require 'spec_helper'
describe Elasticsearch::Model::Importing do
before(:all) do
class DummyImportingModel
end
module DummyImportingAdapter
module ImportingMixin
def __find_in_batches(options={}, &block)
yield if block_given?
end
def __transform
lambda {|a|}
end
end
def importing_mixin
ImportingMixin
end; module_function :importing_mixin
end
end
after(:all) do
remove_classes(DummyImportingModel, DummyImportingAdapter)
end
before do
allow(Elasticsearch::Model::Adapter).to receive(:from_class).with(DummyImportingModel).and_return(DummyImportingAdapter)
DummyImportingModel.__send__ :include, Elasticsearch::Model::Importing
end
context 'when a model includes the Importing module' do
it 'provides importing methods' do
expect(DummyImportingModel.respond_to?(:import)).to be(true)
expect(DummyImportingModel.respond_to?(:__find_in_batches)).to be(true)
end
end
describe '#import' do
before do
allow(DummyImportingModel).to receive(:index_name).and_return('foo')
allow(DummyImportingModel).to receive(:document_type).and_return('foo')
allow(DummyImportingModel).to receive(:index_exists?).and_return(true)
allow(DummyImportingModel).to receive(:__batch_to_bulk)
allow(client).to receive(:bulk).and_return(response)
end
let(:client) do
double('client')
end
let(:response) do
{ 'items' => [] }
end
context 'when no options are provided' do
before do
expect(DummyImportingModel).to receive(:client).and_return(client)
allow(DummyImportingModel).to receive(:index_exists?).and_return(true)
end
it 'uses the client to import documents' do
expect(DummyImportingModel.import).to eq(0)
end
end
context 'when there is an error' do
before do
expect(DummyImportingModel).to receive(:client).and_return(client)
allow(DummyImportingModel).to receive(:index_exists?).and_return(true)
end
let(:response) do
{ 'items' => [{ 'index' => { } }, { 'index' => { 'error' => 'FAILED' } }] }
end
it 'returns the number of errors' do
expect(DummyImportingModel.import).to eq(1)
end
context 'when the method is called with the option to return the errors' do
it 'returns the errors' do
expect(DummyImportingModel.import(return: 'errors')).to eq([{ 'index' => { 'error' => 'FAILED' } }])
end
end
context 'when the method is called with a block' do
it 'yields the response to the block' do
DummyImportingModel.import do |response|
expect(response['items'].size).to eq(2)
end
end
end
end
context 'when the index does not exist' do
before do
allow(DummyImportingModel).to receive(:index_exists?).and_return(false)
end
it 'raises an exception' do
expect {
DummyImportingModel.import
}.to raise_exception(ArgumentError)
end
end
context 'when the method is called with the force option' do
before do
expect(DummyImportingModel).to receive(:create_index!).with(force: true, index: 'foo').and_return(true)
expect(DummyImportingModel).to receive(:__find_in_batches).with(foo: 'bar').and_return(true)
end
it 'deletes and creates the index' do
expect(DummyImportingModel.import(force: true, foo: 'bar')).to eq(0)
end
end
context 'when the method is called with the refresh option' do
before do
expect(DummyImportingModel).to receive(:refresh_index!).with(index: 'foo').and_return(true)
expect(DummyImportingModel).to receive(:__find_in_batches).with(foo: 'bar').and_return(true)
end
it 'refreshes the index' do
expect(DummyImportingModel.import(refresh: true, foo: 'bar')).to eq(0)
end
end
context 'when a different index name is provided' do
before do
expect(DummyImportingModel).to receive(:client).and_return(client)
expect(client).to receive(:bulk).with(body: nil, index: 'my-new-index', type: 'foo').and_return(response)
end
it 'uses the alternate index name' do
expect(DummyImportingModel.import(index: 'my-new-index')).to eq(0)
end
end
context 'when a different document type is provided' do
before do
expect(DummyImportingModel).to receive(:client).and_return(client)
expect(client).to receive(:bulk).with(body: nil, index: 'foo', type: 'my-new-type').and_return(response)
end
it 'uses the alternate index name' do
expect(DummyImportingModel.import(type: 'my-new-type')).to eq(0)
end
end
context 'the transform method' do
before do
expect(DummyImportingModel).to receive(:client).and_return(client)
expect(DummyImportingModel).to receive(:__transform).and_return(transform)
expect(DummyImportingModel).to receive(:__batch_to_bulk).with(anything, transform)
end
let(:transform) do
lambda {|a|}
end
it 'applies the transform method to the results' do
expect(DummyImportingModel.import).to eq(0)
end
end
context 'when a transform is provided as an option' do
context 'when the transform option is not a lambda' do
let(:transform) do
'not_callable'
end
it 'raises an error' do
expect {
DummyImportingModel.import(transform: transform)
}.to raise_exception(ArgumentError)
end
end
context 'when the transform option is a lambda' do
before do
expect(DummyImportingModel).to receive(:client).and_return(client)
expect(DummyImportingModel).to receive(:__batch_to_bulk).with(anything, transform)
end
let(:transform) do
lambda {|a|}
end
it 'applies the transform lambda to the results' do
expect(DummyImportingModel.import(transform: transform)).to eq(0)
end
end
end
end
end