debian-mirror-gitlab/spec/lib/gitlab/graphql/pagination/connections_spec.rb
2021-10-27 15:23:28 +05:30

97 lines
2.7 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
# Tests that our connections are correctly mapped.
RSpec.describe ::Gitlab::Graphql::Pagination::Connections do
include GraphqlHelpers
before(:all) do
ActiveRecord::Schema.define do
create_table :testing_pagination_nodes, force: true do |t|
t.integer :value, null: false
end
end
end
after(:all) do
ActiveRecord::Schema.define do
drop_table :testing_pagination_nodes, force: true
end
end
let_it_be(:node_model) do
Class.new(ActiveRecord::Base) do
self.table_name = 'testing_pagination_nodes'
end
end
let(:query_string) { 'query { items(first: 2) { nodes { value } } }' }
let(:user) { nil }
let(:node) { Struct.new(:value) }
let(:node_type) do
Class.new(::GraphQL::Schema::Object) do
graphql_name 'Node'
field :value, GraphQL::Types::Int, null: false
end
end
let(:query_type) do
item_values = nodes
query_factory do |t|
t.field :items, node_type.connection_type, null: true
t.define_method :items do
item_values
end
end
end
shared_examples 'it maps to a specific connection class' do |connection_type|
let(:raw_values) { [1, 7, 42] }
it "maps to #{connection_type.name}" do
expect(connection_type).to receive(:new).and_call_original
results = execute_query(query_type).to_h
expect(graphql_dig_at(results, :data, :items, :nodes, :value)).to eq [1, 7]
end
end
describe 'OffsetPaginatedRelation' do
before do
# Expect to be ordered by an explicit ordering.
raw_values.each_with_index { |value, id| node_model.create!(id: id, value: value) }
end
let(:nodes) { ::Gitlab::Graphql::Pagination::OffsetPaginatedRelation.new(node_model.order(value: :asc)) }
include_examples 'it maps to a specific connection class', Gitlab::Graphql::Pagination::OffsetActiveRecordRelationConnection
end
describe 'ActiveRecord::Relation' do
before do
# Expect to be ordered by ID descending
[3, 2, 1].zip(raw_values) { |id, value| node_model.create!(id: id, value: value) }
end
let(:nodes) { node_model.all }
include_examples 'it maps to a specific connection class', Gitlab::Graphql::Pagination::Keyset::Connection
end
describe 'ExternallyPaginatedArray' do
let(:nodes) { ::Gitlab::Graphql::ExternallyPaginatedArray.new(nil, nil, node.new(1), node.new(7)) }
include_examples 'it maps to a specific connection class', Gitlab::Graphql::Pagination::ExternallyPaginatedArrayConnection
end
describe 'Array' do
let(:nodes) { raw_values.map { |x| node.new(x) } }
include_examples 'it maps to a specific connection class', Gitlab::Graphql::Pagination::ArrayConnection
end
end