gitlab-org--gitlab-foss/spec/lib/gitlab/background_migration/populate_merge_requests_lat...

63 lines
2.3 KiB
Ruby

require 'spec_helper'
describe Gitlab::BackgroundMigration::PopulateMergeRequestsLatestMergeRequestDiffId, :migration, schema: 20171026082505 do
let(:projects_table) { table(:projects) }
let(:merge_requests_table) { table(:merge_requests) }
let(:merge_request_diffs_table) { table(:merge_request_diffs) }
let(:project) { projects_table.create!(name: 'gitlab', path: 'gitlab-org/gitlab-ce') }
def create_mr!(name, diffs: 0)
merge_request =
merge_requests_table.create!(target_project_id: project.id,
target_branch: 'master',
source_project_id: project.id,
source_branch: name,
title: name)
diffs.times do
merge_request_diffs_table.create!(merge_request_id: merge_request.id)
end
merge_request
end
def diffs_for(merge_request)
merge_request_diffs_table.where(merge_request_id: merge_request.id)
end
describe '#perform' do
it 'ignores MRs without diffs' do
merge_request_without_diff = create_mr!('without_diff')
mr_id = merge_request_without_diff.id
expect(merge_request_without_diff.latest_merge_request_diff_id).to be_nil
expect { subject.perform(mr_id, mr_id) }
.not_to change { merge_request_without_diff.reload.latest_merge_request_diff_id }
end
it 'ignores MRs that have a diff ID already set' do
merge_request_with_multiple_diffs = create_mr!('with_multiple_diffs', diffs: 3)
diff_id = diffs_for(merge_request_with_multiple_diffs).minimum(:id)
mr_id = merge_request_with_multiple_diffs.id
merge_request_with_multiple_diffs.update!(latest_merge_request_diff_id: diff_id)
expect { subject.perform(mr_id, mr_id) }
.not_to change { merge_request_with_multiple_diffs.reload.latest_merge_request_diff_id }
end
it 'migrates multiple MR diffs to the correct values' do
merge_requests = Array.new(3).map.with_index { |_, i| create_mr!(i, diffs: 3) }
subject.perform(merge_requests.first.id, merge_requests.last.id)
merge_requests.each do |merge_request|
expect(merge_request.reload.latest_merge_request_diff_id)
.to eq(diffs_for(merge_request).maximum(:id))
end
end
end
end