debian-mirror-gitlab/spec/lib/bulk_imports/common/extractors/graphql_extractor_spec.rb
2021-01-29 00:20:46 +05:30

75 lines
2.2 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe BulkImports::Common::Extractors::GraphqlExtractor do
let(:graphql_client) { instance_double(BulkImports::Clients::Graphql) }
let(:import_entity) { create(:bulk_import_entity) }
let(:response) { double(original_hash: { foo: :bar }) }
let(:query) { { query: double(to_s: 'test', variables: {}) } }
let(:context) do
instance_double(
BulkImports::Pipeline::Context,
entity: import_entity
)
end
subject { described_class.new(query) }
before do
allow(subject).to receive(:graphql_client).and_return(graphql_client)
allow(graphql_client).to receive(:parse)
end
describe '#extract' do
before do
allow(subject).to receive(:query_variables).and_return({})
allow(graphql_client).to receive(:execute).and_return(response)
end
it 'returns an enumerator with fetched results' do
response = subject.extract(context)
expect(response).to be_instance_of(Enumerator)
expect(response.first).to eq({ foo: :bar })
end
end
describe 'query variables' do
before do
allow(graphql_client).to receive(:execute).and_return(response)
end
context 'when variables are present' do
let(:query) { { query: double(to_s: 'test', variables: { full_path: :source_full_path }) } }
it 'builds graphql query variables for import entity' do
expected_variables = { full_path: import_entity.source_full_path }
expect(graphql_client).to receive(:execute).with(anything, expected_variables)
subject.extract(context).first
end
end
context 'when no variables are present' do
let(:query) { { query: double(to_s: 'test', variables: nil) } }
it 'returns empty hash' do
expect(graphql_client).to receive(:execute).with(anything, nil)
subject.extract(context).first
end
end
context 'when variables are empty hash' do
let(:query) { { query: double(to_s: 'test', variables: {}) } }
it 'makes graphql request with empty hash' do
expect(graphql_client).to receive(:execute).with(anything, {})
subject.extract(context).first
end
end
end
end