2019-12-21 20:55:43 +05:30
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# frozen_string_literal: true
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require 'spec_helper'
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describe Gitlab::Diff::FileCollection::MergeRequestDiffBatch do
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let(:merge_request) { create(:merge_request) }
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let(:batch_page) { 1 }
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let(:batch_size) { 10 }
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let(:diffable) { merge_request.merge_request_diff }
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let(:diff_files_relation) { diffable.merge_request_diff_files }
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subject do
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described_class.new(diffable,
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batch_page,
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batch_size,
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diff_options: nil)
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end
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let(:diff_files) { subject.diff_files }
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describe 'initialize' do
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it 'memoizes pagination_data' do
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expect(subject.pagination_data).to eq(current_page: 1, next_page: 2, total_pages: 2)
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end
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end
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describe '#diff_files' do
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let(:batch_size) { 3 }
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let(:paginated_rel) { diff_files_relation.page(batch_page).per(batch_size) }
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let(:expected_batch_files) do
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paginated_rel.map(&:new_path)
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end
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it 'returns paginated diff files' do
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expect(diff_files.size).to eq(3)
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end
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it 'returns a valid instance of a DiffCollection' do
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expect(diff_files).to be_a(Gitlab::Git::DiffCollection)
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end
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context 'first page' do
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it 'returns correct diff files' do
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expect(diff_files.map(&:new_path)).to eq(expected_batch_files)
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end
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end
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context 'another page' do
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let(:batch_page) { 2 }
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it 'returns correct diff files' do
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expect(diff_files.map(&:new_path)).to eq(expected_batch_files)
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end
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end
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context 'nil batch_page' do
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let(:batch_page) { nil }
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it 'returns correct diff files' do
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expected_batch_files =
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diff_files_relation.page(described_class::DEFAULT_BATCH_PAGE).per(batch_size).map(&:new_path)
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expect(diff_files.map(&:new_path)).to eq(expected_batch_files)
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end
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end
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context 'nil batch_size' do
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let(:batch_size) { nil }
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it 'returns correct diff files' do
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expected_batch_files =
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diff_files_relation.page(batch_page).per(described_class::DEFAULT_BATCH_SIZE).map(&:new_path)
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expect(diff_files.map(&:new_path)).to eq(expected_batch_files)
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end
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end
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context 'invalid page' do
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let(:batch_page) { 999 }
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it 'returns correct diff files' do
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expect(diff_files.map(&:new_path)).to be_empty
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end
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end
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context 'last page' do
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it 'returns correct diff files' do
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last_page = paginated_rel.total_pages
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collection = described_class.new(diffable,
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last_page,
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batch_size,
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diff_options: nil)
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expected_batch_files = diff_files_relation.page(last_page).per(batch_size).map(&:new_path)
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expect(collection.diff_files.map(&:new_path)).to eq(expected_batch_files)
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end
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end
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end
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it_behaves_like 'unfoldable diff' do
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subject do
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described_class.new(merge_request.merge_request_diff,
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batch_page,
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batch_size,
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diff_options: nil)
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end
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end
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it_behaves_like 'diff statistics' do
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let(:collection_default_args) do
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{ diff_options: {} }
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end
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let(:diffable) { merge_request.merge_request_diff }
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let(:stub_path) { '.gitignore' }
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subject do
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described_class.new(merge_request.merge_request_diff,
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batch_page,
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batch_size,
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collection_default_args)
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end
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end
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2020-01-01 13:55:28 +05:30
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it_behaves_like 'cacheable diff collection' do
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let(:cacheable_files_count) { batch_size }
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end
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2019-12-21 20:55:43 +05:30
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end
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