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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Projects::BlameService, :aggregate_failures do
subject(:service) { described_class.new(blob, commit, params) }
let_it_be(:project) { create(:project, :repository) }
let_it_be(:commit) { project.repository.commit }
let_it_be(:blob) { project.repository.blob_at('HEAD', 'README.md') }
let(:params) { { page: page } }
let(:page) { nil }
before do
stub_const("#{described_class.name}::PER_PAGE", 2)
end
describe '#blame' do
subject { service.blame }
it 'returns a correct Gitlab::Blame object' do
is_expected.to be_kind_of(Gitlab::Blame)
expect(subject.blob).to eq(blob)
expect(subject.commit).to eq(commit)
expect(subject.range).to eq(1..2)
end
describe 'Pagination range calculation' do
subject { service.blame.range }
context 'with page = 1' do
let(:page) { 1 }
it { is_expected.to eq(1..2) }
end
context 'with page = 2' do
let(:page) { 2 }
it { is_expected.to eq(3..4) }
end
context 'with page = 3 (overlimit)' do
let(:page) { 3 }
it { is_expected.to eq(1..2) }
end
context 'with page = 0 (incorrect)' do
let(:page) { 0 }
it { is_expected.to eq(1..2) }
end
context 'when user disabled the pagination' do
let(:params) { super().merge(no_pagination: 1) }
it { is_expected.to be_nil }
end
context 'when feature flag disabled' do
before do
stub_feature_flags(blame_page_pagination: false)
end
it { is_expected.to be_nil }
end
end
end
describe '#pagination' do
subject { service.pagination }
it 'returns a pagination object' do
is_expected.to be_kind_of(Kaminari::PaginatableArray)
expect(subject.current_page).to eq(1)
expect(subject.total_pages).to eq(2)
expect(subject.total_count).to eq(4)
end
context 'when user disabled the pagination' do
let(:params) { super().merge(no_pagination: 1) }
it { is_expected.to be_nil }
end
context 'when feature flag disabled' do
before do
stub_feature_flags(blame_page_pagination: false)
end
it { is_expected.to be_nil }
end
context 'when per_page is above the global max per page limit' do
before do
stub_const("#{described_class.name}::PER_PAGE", 1000)
allow(blob).to receive_message_chain(:data, :lines, :count) { 500 }
end
it 'returns a correct pagination object' do
is_expected.to be_kind_of(Kaminari::PaginatableArray)
expect(subject.current_page).to eq(1)
expect(subject.total_pages).to eq(1)
expect(subject.total_count).to eq(500)
end
end
describe 'Pagination attributes' do
using RSpec::Parameterized::TableSyntax
where(:page, :current_page, :total_pages) do
1 | 1 | 2
2 | 2 | 2
3 | 1 | 2 # Overlimit
0 | 1 | 2 # Incorrect
end
with_them do
it 'returns the correct pagination attributes' do
expect(subject.current_page).to eq(current_page)
expect(subject.total_pages).to eq(total_pages)
end
end
end
end
end
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