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