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# frozen_string_literal: true
RSpec.shared_examples 'a GraphQL type with labels' do
it 'has label fields' do
expected_fields = %w[label labels]
expect(described_class).to include_graphql_fields(*expected_fields)
end
describe 'label field' do
subject { described_class.fields['label'] }
it { is_expected.to have_graphql_type(Types::LabelType) }
it { is_expected.to have_graphql_arguments(:title) }
end
describe 'labels field' do
subject { described_class.fields['labels'] }
it { is_expected.to have_graphql_type(Types::LabelType.connection_type) }
it { is_expected.to have_graphql_arguments(labels_resolver_arguments) }
end
end
RSpec.shared_examples 'querying a GraphQL type with labels' do
let_it_be(:current_user) { create(:user) }
let_it_be(:label_a) { create(label_factory, :described, **label_attrs) }
let_it_be(:label_b) { create(label_factory, :described, **label_attrs) }
let_it_be(:label_c) { create(label_factory, :described, :scoped, prefix: 'matching', **label_attrs) }
let_it_be(:label_d) { create(label_factory, :described, :scoped, prefix: 'matching', **label_attrs) }
let(:label_title) { label_b.title }
let(:label_params) { { title: label_title } }
let(:labels_params) { nil }
let(:label_response) { graphql_data.dig(*path_prefix, 'label') }
let(:labels_response) { graphql_data.dig(*path_prefix, 'labels', 'nodes') }
let(:query) do
make_query(
[
query_graphql_field(:label, label_params, all_graphql_fields_for(Label)),
query_graphql_field(:labels, labels_params, [query_graphql_field(:nodes, nil, all_graphql_fields_for(Label))])
]
)
end
context 'running a query' do
before do
run_query(query)
end
context 'minimum required arguments' do
it 'returns the label information' do
expect(label_response).to include(
'title' => label_title,
'description' => label_b.description
)
end
it 'returns the labels information' do
expect(labels_response.pluck('title')).to contain_exactly(
label_a.title,
label_b.title,
label_c.title,
label_d.title
)
end
end
context 'with a search param' do
let(:labels_params) { { search_term: 'matching' } }
it 'finds the matching labels' do
expect(labels_response.pluck('title')).to contain_exactly(
label_c.title,
label_d.title
)
end
end
context 'the label does not exist' do
let(:label_title) { 'not-a-label' }
it 'returns nil' do
expect(label_response).to be_nil
end
end
end
describe 'performance' do
def query_for(*labels)
selections = labels.map do |label|
%Q[#{label.title.gsub(/:+/, '_')}: label(title: "#{label.title}") { description }]
end
make_query(selections)
end
before do
run_query(query_for(label_a))
end
it 'batches queries for labels by title', :request_store do
multi_selection = query_for(label_b, label_c)
single_selection = query_for(label_d)
expect { run_query(multi_selection) }
.to issue_same_number_of_queries_as { run_query(single_selection) }.ignoring_cached_queries
end
end
# Run a known good query with the current user
def run_query(query)
post_graphql(query, current_user: current_user)
expect(graphql_errors).not_to be_present
end
end
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