57 lines
1.8 KiB
Ruby
57 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe MergeRequests::ReloadDiffsService, :use_clean_rails_memory_store_caching do
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let(:current_user) { create(:user) }
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let(:merge_request) { create(:merge_request) }
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let(:subject) { described_class.new(merge_request, current_user) }
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describe '#execute' do
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it 'creates new merge request diff' do
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expect { subject.execute }.to change { merge_request.merge_request_diffs.count }.by(1)
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end
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it 'calls update_diff_discussion_positions with correct params' do
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old_diff_refs = merge_request.diff_refs
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new_diff = merge_request.create_merge_request_diff
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new_diff_refs = merge_request.diff_refs
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expect(merge_request).to receive(:create_merge_request_diff).and_return(new_diff)
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expect(merge_request).to receive(:update_diff_discussion_positions)
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.with(old_diff_refs: old_diff_refs,
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new_diff_refs: new_diff_refs,
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current_user: current_user)
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subject.execute
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end
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it 'does not change existing merge request diff' do
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expect(merge_request.merge_request_diff).not_to receive(:save_git_content)
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subject.execute
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end
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context 'cache clearing' do
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it 'clears the cache for older diffs on the merge request' do
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old_diff = merge_request.merge_request_diff
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old_cache_key = old_diff.diffs_collection.cache_key
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expect_any_instance_of(Redis).to receive(:del).with(old_cache_key).and_call_original
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subject.execute
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end
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it 'avoids N+1 queries', :request_store do
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current_user
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merge_request
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control_count = ActiveRecord::QueryRecorder.new do
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subject.execute
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end.count
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expect { subject.execute }.not_to exceed_query_limit(control_count)
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end
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end
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end
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end
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