127 lines
4 KiB
Ruby
127 lines
4 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe 'Merge Requests Diffs' do
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let_it_be(:project) { create(:project, :repository) }
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let_it_be(:user) { create(:user) }
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let_it_be(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
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before do
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project.add_maintainer(user)
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sign_in(user)
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end
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describe 'GET diffs_batch' do
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let(:headers) { {} }
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shared_examples_for 'serializes diffs with expected arguments' do
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it 'serializes paginated merge request diff collection' do
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expect_next_instance_of(PaginatedDiffSerializer) do |instance|
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expect(instance).to receive(:represent)
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.with(an_instance_of(collection), expected_options)
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.and_call_original
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end
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subject
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end
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end
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def collection_arguments(pagination_data = {})
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{
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environment: nil,
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merge_request: merge_request,
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diff_view: :inline,
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merge_ref_head_diff: nil,
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pagination_data: {
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total_pages: nil
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}.merge(pagination_data)
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}
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end
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def go(extra_params = {})
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params = {
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namespace_id: project.namespace.to_param,
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project_id: project,
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id: merge_request.iid,
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page: 0,
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per_page: 20,
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format: 'json'
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}
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get diffs_batch_namespace_project_json_merge_request_path(params.merge(extra_params)), headers: headers
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end
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context 'with caching', :use_clean_rails_memory_store_caching do
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subject { go(page: 0, per_page: 5) }
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context 'when the request has not been cached' do
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it_behaves_like 'serializes diffs with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
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let(:expected_options) { collection_arguments(total_pages: 20) }
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end
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end
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context 'when the request has already been cached' do
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before do
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go(page: 0, per_page: 5)
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end
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it 'does not serialize diffs' do
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expect_next_instance_of(PaginatedDiffSerializer) do |instance|
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expect(instance).not_to receive(:represent)
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end
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subject
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end
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context 'with the different pagination option' do
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subject { go(page: 5, per_page: 5) }
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it_behaves_like 'serializes diffs with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
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let(:expected_options) { collection_arguments(total_pages: 20) }
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end
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end
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context 'with the different diff_view' do
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subject { go(page: 0, per_page: 5, view: :parallel) }
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it_behaves_like 'serializes diffs with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
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let(:expected_options) { collection_arguments(total_pages: 20).merge(diff_view: :parallel) }
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end
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end
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context 'with the different expanded option' do
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subject { go(page: 0, per_page: 5, expanded: true ) }
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it_behaves_like 'serializes diffs with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
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let(:expected_options) { collection_arguments(total_pages: 20) }
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end
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end
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context 'with the different ignore_whitespace_change option' do
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subject { go(page: 0, per_page: 5, w: 1) }
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it_behaves_like 'serializes diffs with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::Compare }
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let(:expected_options) { collection_arguments(total_pages: 20) }
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end
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end
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end
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context 'when the paths is given' do
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subject { go(page: 0, per_page: 5, paths: %w[README CHANGELOG]) }
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it 'does not use cache' do
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expect(Rails.cache).not_to receive(:fetch).with(/cache:gitlab:PaginatedDiffSerializer/).and_call_original
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subject
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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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