115 lines
3.3 KiB
Ruby
115 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Graphql::Pagination::Keyset::Conditions::NotNullCondition do
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describe '#build' do
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let(:operators) { ['>', '>'] }
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let(:before_or_after) { :after }
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let(:condition) { described_class.new(arel_table, order_list, values, operators, before_or_after) }
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context 'when there is only one ordering field' do
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let(:arel_table) { Issue.arel_table }
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let(:order_list) { [double(named_function: nil, attribute_name: 'id')] }
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let(:values) { [500] }
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let(:operators) { ['>'] }
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it 'generates a single condition sql' do
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expected_sql = <<~SQL
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("issues"."id" > 500)
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SQL
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expect(condition.build.squish).to eq expected_sql.squish
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end
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end
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context 'when ordering by a column attribute' do
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let(:arel_table) { Issue.arel_table }
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let(:order_list) { [double(named_function: nil, attribute_name: 'relative_position'), double(named_function: nil, attribute_name: 'id')] }
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let(:values) { [1500, 500] }
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shared_examples ':after condition' do
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it 'generates :after sql' do
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expected_sql = <<~SQL
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("issues"."relative_position" > 1500)
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OR (
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"issues"."relative_position" = 1500
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AND
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"issues"."id" > 500
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)
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OR ("issues"."relative_position" IS NULL)
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SQL
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expect(condition.build.squish).to eq expected_sql.squish
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end
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end
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context 'when :after' do
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it_behaves_like ':after condition'
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end
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context 'when :before' do
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let(:before_or_after) { :before }
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it 'generates :before sql' do
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expected_sql = <<~SQL
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("issues"."relative_position" > 1500)
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OR (
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"issues"."relative_position" = 1500
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AND
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"issues"."id" > 500
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)
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SQL
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expect(condition.build.squish).to eq expected_sql.squish
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end
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end
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context 'when :foo' do
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let(:before_or_after) { :foo }
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it_behaves_like ':after condition'
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end
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end
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context 'when ordering by LOWER' do
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let(:arel_table) { Project.arel_table }
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let(:relation) { Project.order(arel_table['name'].lower.asc).order(:id) }
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let(:order_list) { Gitlab::Graphql::Pagination::Keyset::OrderInfo.build_order_list(relation) }
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let(:values) { ['Test', 500] }
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context 'when :after' do
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it 'generates :after sql' do
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expected_sql = <<~SQL
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(LOWER("projects"."name") > 'test')
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OR (
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LOWER("projects"."name") = 'test'
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AND
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"projects"."id" > 500
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)
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OR (LOWER("projects"."name") IS NULL)
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SQL
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expect(condition.build.squish).to eq expected_sql.squish
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end
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end
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context 'when :before' do
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let(:before_or_after) { :before }
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it 'generates :before sql' do
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expected_sql = <<~SQL
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(LOWER("projects"."name") > 'test')
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OR (
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LOWER("projects"."name") = 'test'
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AND
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"projects"."id" > 500
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)
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SQL
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expect(condition.build.squish).to eq expected_sql.squish
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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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