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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::UpdatedNotesPaginator do
let(:issue) { create(:issue) }
let(:project) { issue.project }
let(:finder) { NotesFinder.new(user, target: issue, last_fetched_at: last_fetched_at) }
let(:user) { issue.author }
let!(:page_1) { create_list(:note, 2, noteable: issue, project: project, updated_at: 2.days.ago) }
let!(:page_2) { [create(:note, noteable: issue, project: project, updated_at: 1.day.ago)] }
let(:page_1_boundary) { page_1.last.updated_at + NotesFinder::FETCH_OVERLAP }
around do |example|
freeze_time do
example.run
end
end
before do
stub_const("Gitlab::UpdatedNotesPaginator::LIMIT", 2)
end
subject(:paginator) { described_class.new(finder.execute, last_fetched_at: last_fetched_at) }
describe 'last_fetched_at: start of time' do
let(:last_fetched_at) { Time.at(0) }
it 'calculates the first page of notes', :aggregate_failures do
expect(paginator.notes).to match_array(page_1)
expect(paginator.metadata).to match(
more: true,
last_fetched_at: microseconds(page_1_boundary)
)
end
end
describe 'last_fetched_at: start of final page' do
let(:last_fetched_at) { page_1_boundary }
it 'calculates a final page', :aggregate_failures do
expect(paginator.notes).to match_array(page_2)
expect(paginator.metadata).to match(
more: false,
last_fetched_at: microseconds(Time.zone.now)
)
end
end
# Convert a time to an integer number of microseconds
def microseconds(time)
(time.to_i * 1_000_000) + time.usec
end
end
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