818 lines
29 KiB
Ruby
818 lines
29 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Graphql::Pagination::Keyset::Connection do
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include GraphqlHelpers
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# https://gitlab.com/gitlab-org/gitlab/-/issues/334973
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# The spec will be merged with connection_spec.rb in the future.
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let(:nodes) { Project.all.order(id: :asc) }
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let(:arguments) { {} }
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let(:context) { GraphQL::Query::Context.new(query: query_double, values: nil, object: nil) }
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let_it_be(:column_order_id) { Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(attribute_name: 'id', order_expression: Project.arel_table[:id].asc) }
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let_it_be(:column_order_id_desc) { Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(attribute_name: 'id', order_expression: Project.arel_table[:id].desc) }
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let_it_be(:column_order_updated_at) { Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(attribute_name: 'updated_at', order_expression: Project.arel_table[:updated_at].asc) }
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let_it_be(:column_order_created_at) { Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(attribute_name: 'created_at', order_expression: Project.arel_table[:created_at].asc) }
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let_it_be(:column_order_last_repo) do
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Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(
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attribute_name: 'last_repository_check_at',
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column_expression: Project.arel_table[:last_repository_check_at],
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order_expression: Project.arel_table[:last_repository_check_at].asc.nulls_last,
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reversed_order_expression: Project.arel_table[:last_repository_check_at].desc.nulls_last,
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order_direction: :asc,
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nullable: :nulls_last,
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distinct: false)
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end
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let_it_be(:column_order_last_repo_desc) do
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Gitlab::Pagination::Keyset::ColumnOrderDefinition.new(
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attribute_name: 'last_repository_check_at',
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column_expression: Project.arel_table[:last_repository_check_at],
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order_expression: Project.arel_table[:last_repository_check_at].desc.nulls_last,
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reversed_order_expression: Project.arel_table[:last_repository_check_at].asc.nulls_last,
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order_direction: :desc,
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nullable: :nulls_last,
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distinct: false)
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end
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subject(:connection) do
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described_class.new(nodes, **{ context: context, max_page_size: 3 }.merge(arguments))
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end
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def encoded_cursor(node)
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described_class.new(nodes, context: context).cursor_for(node)
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end
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def decoded_cursor(cursor)
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Gitlab::Json.parse(Base64Bp.urlsafe_decode64(cursor))
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end
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before do
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stub_feature_flags(graphql_keyset_pagination_without_next_page_query: false)
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end
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it 'invokes an extra query for the next page check' do
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arguments[:first] = 1
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subject.nodes
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count = ActiveRecord::QueryRecorder.new { subject.has_next_page }.count
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expect(count).to eq(1)
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end
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context 'when the relation is loaded' do
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it 'invokes no extra query' do
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allow(subject).to receive(:sliced_nodes).and_return(Project.all.to_a)
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arguments[:first] = 1
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subject.nodes
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count = ActiveRecord::QueryRecorder.new { subject.has_next_page }.count
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expect(count).to eq(0)
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end
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end
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describe "with generic keyset order support" do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id])) }
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it_behaves_like 'a connection with collection methods'
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it_behaves_like 'a redactable connection' do
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let_it_be(:projects) { create_list(:project, 2) }
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let(:unwanted) { projects.second }
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end
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describe '#cursor_for' do
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let(:project) { create(:project) }
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let(:cursor) { connection.cursor_for(project) }
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it 'returns an encoded ID' do
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expect(decoded_cursor(cursor)).to eq('id' => project.id.to_s)
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end
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context 'when an order is specified' do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id])) }
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it 'returns the encoded value of the order' do
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expect(decoded_cursor(cursor)).to include('id' => project.id.to_s)
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end
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end
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context 'when multiple orders are specified' do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_updated_at, column_order_created_at, column_order_id])) }
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it 'returns the encoded value of the order' do
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expect(decoded_cursor(cursor)).to include('updated_at' => project.updated_at.to_s(:inspect))
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end
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end
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end
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describe '#sliced_nodes' do
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let(:projects) { create_list(:project, 4) }
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context 'when before is passed' do
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let(:arguments) { { before: encoded_cursor(projects[1]) } }
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it 'only returns the project before the selected one' do
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expect(subject.sliced_nodes).to contain_exactly(projects.first)
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end
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context 'when the sort order is descending' do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id_desc])) }
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it 'returns the correct nodes' do
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expect(subject.sliced_nodes).to contain_exactly(*projects[2..])
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end
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end
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end
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context 'when after is passed' do
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let(:arguments) { { after: encoded_cursor(projects[1]) } }
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it 'only returns the project before the selected one' do
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expect(subject.sliced_nodes).to contain_exactly(*projects[2..])
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end
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context 'when the sort order is descending' do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id_desc])) }
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it 'returns the correct nodes' do
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expect(subject.sliced_nodes).to contain_exactly(projects.first)
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end
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end
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end
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context 'when both before and after are passed' do
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let(:arguments) do
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{
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after: encoded_cursor(projects[1]),
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before: encoded_cursor(projects[3])
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}
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end
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it 'returns the expected set' do
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expect(subject.sliced_nodes).to contain_exactly(projects[2])
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end
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end
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shared_examples 'nodes are in ascending order' do
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context 'when no cursor is passed' do
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let(:arguments) { {} }
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it 'returns projects in ascending order' do
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expect(subject.sliced_nodes).to eq(ascending_nodes)
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end
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end
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context 'when before cursor value is not NULL' do
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let(:arguments) { { before: encoded_cursor(ascending_nodes[2]) } }
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it 'returns all projects before the cursor' do
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expect(subject.sliced_nodes).to eq(ascending_nodes.first(2))
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end
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end
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context 'when after cursor value is not NULL' do
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let(:arguments) { { after: encoded_cursor(ascending_nodes[1]) } }
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it 'returns all projects after the cursor' do
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expect(subject.sliced_nodes).to eq(ascending_nodes.last(3))
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end
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end
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context 'when before and after cursor' do
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let(:arguments) { { before: encoded_cursor(ascending_nodes.last), after: encoded_cursor(ascending_nodes.first) } }
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it 'returns all projects after the cursor' do
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expect(subject.sliced_nodes).to eq(ascending_nodes[1..3])
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end
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end
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end
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shared_examples 'nodes are in descending order' do
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context 'when no cursor is passed' do
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let(:arguments) { {} }
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it 'only returns projects in descending order' do
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expect(subject.sliced_nodes).to eq(descending_nodes)
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end
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end
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context 'when before cursor value is not NULL' do
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let(:arguments) { { before: encoded_cursor(descending_nodes[2]) } }
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it 'returns all projects before the cursor' do
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expect(subject.sliced_nodes).to eq(descending_nodes.first(2))
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end
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end
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context 'when after cursor value is not NULL' do
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let(:arguments) { { after: encoded_cursor(descending_nodes[1]) } }
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it 'returns all projects after the cursor' do
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expect(subject.sliced_nodes).to eq(descending_nodes.last(3))
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end
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end
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context 'when before and after cursor' do
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let(:arguments) { { before: encoded_cursor(descending_nodes.last), after: encoded_cursor(descending_nodes.first) } }
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it 'returns all projects after the cursor' do
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expect(subject.sliced_nodes).to eq(descending_nodes[1..3])
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end
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end
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end
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context 'when multiple orders with nil values are defined' do
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let_it_be(:project1) { create(:project, last_repository_check_at: 10.days.ago) } # Asc: project5 Desc: project3
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let_it_be(:project2) { create(:project, last_repository_check_at: nil) } # Asc: project1 Desc: project1
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let_it_be(:project3) { create(:project, last_repository_check_at: 5.days.ago) } # Asc: project3 Desc: project5
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let_it_be(:project4) { create(:project, last_repository_check_at: nil) } # Asc: project2 Desc: project2
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let_it_be(:project5) { create(:project, last_repository_check_at: 20.days.ago) } # Asc: project4 Desc: project4
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context 'when ascending' do
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let_it_be(:order) { Gitlab::Pagination::Keyset::Order.build([column_order_last_repo, column_order_id]) }
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let_it_be(:nodes) { Project.order(order) }
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let_it_be(:ascending_nodes) { [project5, project1, project3, project2, project4] }
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it_behaves_like 'nodes are in ascending order'
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context 'when before cursor value is NULL' do
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let(:arguments) { { before: encoded_cursor(project4) } }
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it 'returns all projects before the cursor' do
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expect(subject.sliced_nodes).to eq([project5, project1, project3, project2])
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end
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end
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context 'when after cursor value is NULL' do
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let(:arguments) { { after: encoded_cursor(project2) } }
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it 'returns all projects after the cursor' do
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expect(subject.sliced_nodes).to eq([project4])
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end
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end
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end
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context 'when descending' do
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let_it_be(:order) { Gitlab::Pagination::Keyset::Order.build([column_order_last_repo_desc, column_order_id]) }
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let_it_be(:nodes) { Project.order(order) }
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let_it_be(:descending_nodes) { [project3, project1, project5, project2, project4] }
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it_behaves_like 'nodes are in descending order'
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context 'when before cursor value is NULL' do
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let(:arguments) { { before: encoded_cursor(project4) } }
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it 'returns all projects before the cursor' do
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expect(subject.sliced_nodes).to eq([project3, project1, project5, project2])
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end
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end
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context 'when after cursor value is NULL' do
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let(:arguments) { { after: encoded_cursor(project2) } }
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it 'returns all projects after the cursor' do
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expect(subject.sliced_nodes).to eq([project4])
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end
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end
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end
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end
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context 'when ordering by similarity' do
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let_it_be(:project1) { create(:project, name: 'test') }
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let_it_be(:project2) { create(:project, name: 'testing') }
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let_it_be(:project3) { create(:project, name: 'tests') }
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let_it_be(:project4) { create(:project, name: 'testing stuff') }
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let_it_be(:project5) { create(:project, name: 'test') }
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let_it_be(:nodes) do
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# Note: sorted_by_similarity_desc scope internally supports the generic keyset order.
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Project.sorted_by_similarity_desc('test', include_in_select: true)
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end
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let_it_be(:descending_nodes) { nodes.to_a }
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it_behaves_like 'nodes are in descending order'
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end
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context 'when an invalid cursor is provided' do
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let(:arguments) { { before: Base64Bp.urlsafe_encode64('invalidcursor', padding: false) } }
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it 'raises an error' do
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expect { subject.sliced_nodes }.to raise_error(Gitlab::Graphql::Errors::ArgumentError)
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end
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end
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end
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describe '#nodes' do
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let_it_be(:all_nodes) { create_list(:project, 5) }
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let(:paged_nodes) { subject.nodes }
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it_behaves_like 'connection with paged nodes' do
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let(:paged_nodes_size) { 3 }
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end
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context 'when both are passed' do
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let(:arguments) { { first: 2, last: 2 } }
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it 'raises an error' do
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expect { paged_nodes }.to raise_error(Gitlab::Graphql::Errors::ArgumentError)
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end
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end
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context 'when primary key is not in original order' do
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let(:nodes) { Project.order(last_repository_check_at: :desc) }
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it 'is added to end' do
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sliced = subject.sliced_nodes
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order_sql = sliced.order_values.last.to_sql
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expect(order_sql).to end_with(Project.arel_table[:id].desc.to_sql)
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end
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end
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context 'when there is no primary key' do
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before do
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stub_const('NoPrimaryKey', Class.new(ActiveRecord::Base))
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NoPrimaryKey.class_eval do
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self.table_name = 'no_primary_key'
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self.primary_key = nil
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end
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end
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let(:nodes) { NoPrimaryKey.all }
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it 'raises an error' do
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expect(NoPrimaryKey.primary_key).to be_nil
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expect { subject.sliced_nodes }.to raise_error(ArgumentError, 'Relation must have a primary key')
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end
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end
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end
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describe '#has_previous_page and #has_next_page' do
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# using a list of 5 items with a max_page of 3
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let_it_be(:project_list) { create_list(:project, 5) }
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let_it_be(:nodes) { Project.order(Gitlab::Pagination::Keyset::Order.build([column_order_id])) }
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context 'when default query' do
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let(:arguments) { {} }
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it 'has no previous, but a next' do
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expect(subject.has_previous_page).to be_falsey
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expect(subject.has_next_page).to be_truthy
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end
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end
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context 'when before is first item' do
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let(:arguments) { { before: encoded_cursor(project_list.first) } }
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it 'has no previous, but a next' do
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expect(subject.has_previous_page).to be_falsey
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expect(subject.has_next_page).to be_truthy
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end
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end
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describe 'using `before`' do
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context 'when before is the last item' do
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let(:arguments) { { before: encoded_cursor(project_list.last) } }
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it 'has no previous, but a next' do
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expect(subject.has_previous_page).to be_falsey
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expect(subject.has_next_page).to be_truthy
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end
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end
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context 'when before and last specified' do
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let(:arguments) { { before: encoded_cursor(project_list.last), last: 2 } }
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it 'has a previous and a next' do
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expect(subject.has_previous_page).to be_truthy
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expect(subject.has_next_page).to be_truthy
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end
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end
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context 'when before and last does request all remaining nodes' do
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let(:arguments) { { before: encoded_cursor(project_list[1]), last: 3 } }
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it 'has a previous and a next' do
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expect(subject.has_previous_page).to be_falsey
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expect(subject.has_next_page).to be_truthy
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expect(subject.nodes).to eq [project_list[0]]
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end
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end
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end
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describe 'using `after`' do
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context 'when after is the first item' do
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let(:arguments) { { after: encoded_cursor(project_list.first) } }
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it 'has a previous, and a next' do
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expect(subject.has_previous_page).to be_truthy
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expect(subject.has_next_page).to be_truthy
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end
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end
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context 'when after and first specified' do
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let(:arguments) { { after: encoded_cursor(project_list.first), first: 2 } }
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it 'has a previous and a next' do
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expect(subject.has_previous_page).to be_truthy
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expect(subject.has_next_page).to be_truthy
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end
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end
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context 'when before and last does request all remaining nodes' do
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let(:arguments) { { after: encoded_cursor(project_list[2]), last: 3 } }
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it 'has a previous but no next' do
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expect(subject.has_previous_page).to be_truthy
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expect(subject.has_next_page).to be_falsey
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end
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end
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end
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end
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end
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# duplicated tests, remove with the removal of the graphql_keyset_pagination_without_next_page_query FF
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context 'when the graphql_keyset_pagination_without_next_page_query is on' do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id])) }
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before do
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stub_feature_flags(graphql_keyset_pagination_without_next_page_query: true)
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end
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it 'does not invoke an extra query for the next page check' do
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arguments[:first] = 1
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subject.nodes
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count = ActiveRecord::QueryRecorder.new { subject.has_next_page }.count
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expect(count).to eq(0)
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end
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it_behaves_like 'a connection with collection methods'
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it_behaves_like 'a redactable connection' do
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let_it_be(:projects) { create_list(:project, 2) }
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let(:unwanted) { projects.second }
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end
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describe '#cursor_for' do
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let(:project) { create(:project) }
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let(:cursor) { connection.cursor_for(project) }
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it 'returns an encoded ID' do
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expect(decoded_cursor(cursor)).to eq('id' => project.id.to_s)
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end
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context 'when an order is specified' do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id])) }
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it 'returns the encoded value of the order' do
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expect(decoded_cursor(cursor)).to include('id' => project.id.to_s)
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end
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end
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context 'when multiple orders are specified' do
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let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_updated_at, column_order_created_at, column_order_id])) }
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it 'returns the encoded value of the order' do
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expect(decoded_cursor(cursor)).to include('updated_at' => project.updated_at.to_s(:inspect))
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#sliced_nodes' do
|
|
let(:projects) { create_list(:project, 4) }
|
|
|
|
context 'when before is passed' do
|
|
let(:arguments) { { before: encoded_cursor(projects[1]) } }
|
|
|
|
it 'only returns the project before the selected one' do
|
|
expect(subject.sliced_nodes).to contain_exactly(projects.first)
|
|
end
|
|
|
|
context 'when the sort order is descending' do
|
|
let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id_desc])) }
|
|
|
|
it 'returns the correct nodes' do
|
|
expect(subject.sliced_nodes).to contain_exactly(*projects[2..])
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when after is passed' do
|
|
let(:arguments) { { after: encoded_cursor(projects[1]) } }
|
|
|
|
it 'only returns the project before the selected one' do
|
|
expect(subject.sliced_nodes).to contain_exactly(*projects[2..])
|
|
end
|
|
|
|
context 'when the sort order is descending' do
|
|
let(:nodes) { Project.all.order(Gitlab::Pagination::Keyset::Order.build([column_order_id_desc])) }
|
|
|
|
it 'returns the correct nodes' do
|
|
expect(subject.sliced_nodes).to contain_exactly(projects.first)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when both before and after are passed' do
|
|
let(:arguments) do
|
|
{
|
|
after: encoded_cursor(projects[1]),
|
|
before: encoded_cursor(projects[3])
|
|
}
|
|
end
|
|
|
|
it 'returns the expected set' do
|
|
expect(subject.sliced_nodes).to contain_exactly(projects[2])
|
|
end
|
|
end
|
|
|
|
shared_examples 'nodes are in ascending order' do
|
|
context 'when no cursor is passed' do
|
|
let(:arguments) { {} }
|
|
|
|
it 'returns projects in ascending order' do
|
|
expect(subject.sliced_nodes).to eq(ascending_nodes)
|
|
end
|
|
end
|
|
|
|
context 'when before cursor value is not NULL' do
|
|
let(:arguments) { { before: encoded_cursor(ascending_nodes[2]) } }
|
|
|
|
it 'returns all projects before the cursor' do
|
|
expect(subject.sliced_nodes).to eq(ascending_nodes.first(2))
|
|
end
|
|
end
|
|
|
|
context 'when after cursor value is not NULL' do
|
|
let(:arguments) { { after: encoded_cursor(ascending_nodes[1]) } }
|
|
|
|
it 'returns all projects after the cursor' do
|
|
expect(subject.sliced_nodes).to eq(ascending_nodes.last(3))
|
|
end
|
|
end
|
|
|
|
context 'when before and after cursor' do
|
|
let(:arguments) { { before: encoded_cursor(ascending_nodes.last), after: encoded_cursor(ascending_nodes.first) } }
|
|
|
|
it 'returns all projects after the cursor' do
|
|
expect(subject.sliced_nodes).to eq(ascending_nodes[1..3])
|
|
end
|
|
end
|
|
end
|
|
|
|
shared_examples 'nodes are in descending order' do
|
|
context 'when no cursor is passed' do
|
|
let(:arguments) { {} }
|
|
|
|
it 'only returns projects in descending order' do
|
|
expect(subject.sliced_nodes).to eq(descending_nodes)
|
|
end
|
|
end
|
|
|
|
context 'when before cursor value is not NULL' do
|
|
let(:arguments) { { before: encoded_cursor(descending_nodes[2]) } }
|
|
|
|
it 'returns all projects before the cursor' do
|
|
expect(subject.sliced_nodes).to eq(descending_nodes.first(2))
|
|
end
|
|
end
|
|
|
|
context 'when after cursor value is not NULL' do
|
|
let(:arguments) { { after: encoded_cursor(descending_nodes[1]) } }
|
|
|
|
it 'returns all projects after the cursor' do
|
|
expect(subject.sliced_nodes).to eq(descending_nodes.last(3))
|
|
end
|
|
end
|
|
|
|
context 'when before and after cursor' do
|
|
let(:arguments) { { before: encoded_cursor(descending_nodes.last), after: encoded_cursor(descending_nodes.first) } }
|
|
|
|
it 'returns all projects after the cursor' do
|
|
expect(subject.sliced_nodes).to eq(descending_nodes[1..3])
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when multiple orders with nil values are defined' do
|
|
let_it_be(:project1) { create(:project, last_repository_check_at: 10.days.ago) } # Asc: project5 Desc: project3
|
|
let_it_be(:project2) { create(:project, last_repository_check_at: nil) } # Asc: project1 Desc: project1
|
|
let_it_be(:project3) { create(:project, last_repository_check_at: 5.days.ago) } # Asc: project3 Desc: project5
|
|
let_it_be(:project4) { create(:project, last_repository_check_at: nil) } # Asc: project2 Desc: project2
|
|
let_it_be(:project5) { create(:project, last_repository_check_at: 20.days.ago) } # Asc: project4 Desc: project4
|
|
|
|
context 'when ascending' do
|
|
let_it_be(:order) { Gitlab::Pagination::Keyset::Order.build([column_order_last_repo, column_order_id]) }
|
|
let_it_be(:nodes) { Project.order(order) }
|
|
let_it_be(:ascending_nodes) { [project5, project1, project3, project2, project4] }
|
|
|
|
it_behaves_like 'nodes are in ascending order'
|
|
|
|
context 'when before cursor value is NULL' do
|
|
let(:arguments) { { before: encoded_cursor(project4) } }
|
|
|
|
it 'returns all projects before the cursor' do
|
|
expect(subject.sliced_nodes).to eq([project5, project1, project3, project2])
|
|
end
|
|
end
|
|
|
|
context 'when after cursor value is NULL' do
|
|
let(:arguments) { { after: encoded_cursor(project2) } }
|
|
|
|
it 'returns all projects after the cursor' do
|
|
expect(subject.sliced_nodes).to eq([project4])
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when descending' do
|
|
let_it_be(:order) { Gitlab::Pagination::Keyset::Order.build([column_order_last_repo_desc, column_order_id]) }
|
|
let_it_be(:nodes) { Project.order(order) }
|
|
let_it_be(:descending_nodes) { [project3, project1, project5, project2, project4] }
|
|
|
|
it_behaves_like 'nodes are in descending order'
|
|
|
|
context 'when before cursor value is NULL' do
|
|
let(:arguments) { { before: encoded_cursor(project4) } }
|
|
|
|
it 'returns all projects before the cursor' do
|
|
expect(subject.sliced_nodes).to eq([project3, project1, project5, project2])
|
|
end
|
|
end
|
|
|
|
context 'when after cursor value is NULL' do
|
|
let(:arguments) { { after: encoded_cursor(project2) } }
|
|
|
|
it 'returns all projects after the cursor' do
|
|
expect(subject.sliced_nodes).to eq([project4])
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when ordering by similarity' do
|
|
let_it_be(:project1) { create(:project, name: 'test') }
|
|
let_it_be(:project2) { create(:project, name: 'testing') }
|
|
let_it_be(:project3) { create(:project, name: 'tests') }
|
|
let_it_be(:project4) { create(:project, name: 'testing stuff') }
|
|
let_it_be(:project5) { create(:project, name: 'test') }
|
|
|
|
let_it_be(:nodes) do
|
|
# Note: sorted_by_similarity_desc scope internally supports the generic keyset order.
|
|
Project.sorted_by_similarity_desc('test', include_in_select: true)
|
|
end
|
|
|
|
let_it_be(:descending_nodes) { nodes.to_a }
|
|
|
|
it_behaves_like 'nodes are in descending order'
|
|
end
|
|
|
|
context 'when an invalid cursor is provided' do
|
|
let(:arguments) { { before: Base64Bp.urlsafe_encode64('invalidcursor', padding: false) } }
|
|
|
|
it 'raises an error' do
|
|
expect { subject.sliced_nodes }.to raise_error(Gitlab::Graphql::Errors::ArgumentError)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#nodes' do
|
|
let_it_be(:all_nodes) { create_list(:project, 5) }
|
|
|
|
let(:paged_nodes) { subject.nodes }
|
|
|
|
it_behaves_like 'connection with paged nodes' do
|
|
let(:paged_nodes_size) { 3 }
|
|
end
|
|
|
|
context 'when both are passed' do
|
|
let(:arguments) { { first: 2, last: 2 } }
|
|
|
|
it 'raises an error' do
|
|
expect { paged_nodes }.to raise_error(Gitlab::Graphql::Errors::ArgumentError)
|
|
end
|
|
end
|
|
|
|
context 'when primary key is not in original order' do
|
|
let(:nodes) { Project.order(last_repository_check_at: :desc) }
|
|
|
|
it 'is added to end' do
|
|
sliced = subject.sliced_nodes
|
|
|
|
order_sql = sliced.order_values.last.to_sql
|
|
|
|
expect(order_sql).to end_with(Project.arel_table[:id].desc.to_sql)
|
|
end
|
|
end
|
|
|
|
context 'when there is no primary key' do
|
|
before do
|
|
stub_const('NoPrimaryKey', Class.new(ActiveRecord::Base))
|
|
NoPrimaryKey.class_eval do
|
|
self.table_name = 'no_primary_key'
|
|
self.primary_key = nil
|
|
end
|
|
end
|
|
|
|
let(:nodes) { NoPrimaryKey.all }
|
|
|
|
it 'raises an error' do
|
|
expect(NoPrimaryKey.primary_key).to be_nil
|
|
expect { subject.sliced_nodes }.to raise_error(ArgumentError, 'Relation must have a primary key')
|
|
end
|
|
end
|
|
end
|
|
|
|
describe '#has_previous_page and #has_next_page' do
|
|
# using a list of 5 items with a max_page of 3
|
|
let_it_be(:project_list) { create_list(:project, 5) }
|
|
let_it_be(:nodes) { Project.order(Gitlab::Pagination::Keyset::Order.build([column_order_id])) }
|
|
|
|
context 'when default query' do
|
|
let(:arguments) { {} }
|
|
|
|
it 'has no previous, but a next' do
|
|
expect(subject.has_previous_page).to be_falsey
|
|
expect(subject.has_next_page).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when before is first item' do
|
|
let(:arguments) { { before: encoded_cursor(project_list.first) } }
|
|
|
|
it 'has no previous, but a next' do
|
|
expect(subject.has_previous_page).to be_falsey
|
|
expect(subject.has_next_page).to be_truthy
|
|
end
|
|
end
|
|
|
|
describe 'using `before`' do
|
|
context 'when before is the last item' do
|
|
let(:arguments) { { before: encoded_cursor(project_list.last) } }
|
|
|
|
it 'has no previous, but a next' do
|
|
expect(subject.has_previous_page).to be_falsey
|
|
expect(subject.has_next_page).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when before and last specified' do
|
|
let(:arguments) { { before: encoded_cursor(project_list.last), last: 2 } }
|
|
|
|
it 'has a previous and a next' do
|
|
expect(subject.has_previous_page).to be_truthy
|
|
expect(subject.has_next_page).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when before and last does request all remaining nodes' do
|
|
let(:arguments) { { before: encoded_cursor(project_list[1]), last: 3 } }
|
|
|
|
it 'has a previous and a next' do
|
|
expect(subject.has_previous_page).to be_falsey
|
|
expect(subject.has_next_page).to be_truthy
|
|
expect(subject.nodes).to eq [project_list[0]]
|
|
end
|
|
end
|
|
end
|
|
|
|
describe 'using `after`' do
|
|
context 'when after is the first item' do
|
|
let(:arguments) { { after: encoded_cursor(project_list.first) } }
|
|
|
|
it 'has a previous, and a next' do
|
|
expect(subject.has_previous_page).to be_truthy
|
|
expect(subject.has_next_page).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when after and first specified' do
|
|
let(:arguments) { { after: encoded_cursor(project_list.first), first: 2 } }
|
|
|
|
it 'has a previous and a next' do
|
|
expect(subject.has_previous_page).to be_truthy
|
|
expect(subject.has_next_page).to be_truthy
|
|
end
|
|
end
|
|
|
|
context 'when before and last does request all remaining nodes' do
|
|
let(:arguments) { { after: encoded_cursor(project_list[2]), last: 3 } }
|
|
|
|
it 'has a previous but no next' do
|
|
expect(subject.has_previous_page).to be_truthy
|
|
expect(subject.has_next_page).to be_falsey
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|