69 lines
1.8 KiB
Ruby
69 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe ResolvesGroups do
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include GraphqlHelpers
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include AfterNextHelpers
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let_it_be(:user) { create(:user) }
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let_it_be(:groups) { create_pair(:group) }
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let_it_be(:resolver) do
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Class.new(Resolvers::BaseResolver) do
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include ResolvesGroups
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type Types::GroupType, null: true
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end
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end
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let_it_be(:query_type) do
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query_factory do |query|
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query.field :groups,
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Types::GroupType.connection_type,
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null: true,
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resolver: resolver
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end
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end
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let_it_be(:lookahead_fields) do
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<<~FIELDS
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containerRepositoriesCount
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customEmoji { nodes { id } }
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fullPath
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path
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dependencyProxyBlobCount
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dependencyProxyBlobs { nodes { fileName } }
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dependencyProxyImageCount
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dependencyProxyImageTtlPolicy { enabled }
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dependencyProxySetting { enabled }
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FIELDS
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end
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it 'avoids N+1 queries on the fields marked with lookahead' do
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group_ids = groups.map(&:id)
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allow_next(resolver).to receive(:resolve_groups).and_return(Group.id_in(group_ids))
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# Prevent authorization queries from affecting the test.
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allow(Ability).to receive(:allowed?).and_return(true)
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single_group_query = ActiveRecord::QueryRecorder.new do
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data = query_groups(limit: 1)
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expect(data.size).to eq(1)
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end
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multi_group_query = -> {
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data = query_groups(limit: 2)
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expect(data.size).to eq(2)
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}
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expect { multi_group_query.call }.not_to exceed_query_limit(single_group_query)
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end
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def query_groups(limit:)
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query_string = "{ groups(first: #{limit}) { nodes { id #{lookahead_fields} } } }"
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data = execute_query(query_type, graphql: query_string)
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graphql_dig_at(data, :data, :groups, :nodes)
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end
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end
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