61 lines
1.5 KiB
Ruby
61 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe RendersCommits do
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let_it_be(:project) { create(:project, :public, :repository) }
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let_it_be(:merge_request) { create(:merge_request, source_project: project) }
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let_it_be(:user) { create(:user) }
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controller(ApplicationController) do
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# `described_class` is not available in this context
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include RendersCommits
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def index
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@merge_request = MergeRequest.find(params[:id])
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@commits = set_commits_for_rendering(
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@merge_request.recent_commits.with_latest_pipeline(@merge_request.source_branch),
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commits_count: @merge_request.commits_count
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)
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render json: { html: view_to_html_string('projects/merge_requests/_commits') }
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end
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end
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before do
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sign_in(user)
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end
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def go
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get :index, params: { id: merge_request.id }
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end
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it 'sets instance variables for counts' do
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stub_const("MergeRequestDiff::COMMITS_SAFE_SIZE", 10)
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go
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expect(assigns[:total_commit_count]).to eq(29)
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expect(assigns[:hidden_commit_count]).to eq(19)
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expect(assigns[:commits].size).to eq(10)
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end
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context 'rendering commits' do
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render_views
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it 'avoids N + 1' do
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stub_const("MergeRequestDiff::COMMITS_SAFE_SIZE", 5)
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control_count = ActiveRecord::QueryRecorder.new do
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go
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end.count
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stub_const("MergeRequestDiff::COMMITS_SAFE_SIZE", 15)
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expect do
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go
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end.not_to exceed_all_query_limit(control_count)
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end
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end
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end
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