58 lines
1.9 KiB
Ruby
58 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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require Rails.root.join('db', 'post_migrate', '20190404143330_add_unique_constraint_to_approvals_user_id_and_merge_request_id.rb')
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RSpec.describe AddUniqueConstraintToApprovalsUserIdAndMergeRequestId do
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let(:migration) { described_class.new }
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let(:namespaces) { table(:namespaces) }
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let(:projects) { table(:projects) }
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let(:merge_requests) { table(:merge_requests) }
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let(:approvals) { table(:approvals) }
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describe '#up' do
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before do
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namespaces.create!(id: 1, name: 'ns', path: 'ns')
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projects.create!(id: 1, namespace_id: 1)
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merge_requests.create!(id: 1, target_branch: 'master', source_branch: 'feature-1', target_project_id: 1)
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merge_requests.create!(id: 2, target_branch: 'master', source_branch: 'feature-2', target_project_id: 1)
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end
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it 'deletes duplicate records and keeps the first one' do
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first_approval = approvals.create!(id: 1, merge_request_id: 1, user_id: 1)
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approvals.create!(id: 2, merge_request_id: 1, user_id: 1)
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migration.up
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expect(approvals.all.to_a).to contain_exactly(first_approval)
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end
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it 'does not delete unique records' do
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unique_approvals = [
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approvals.create(id: 1, merge_request_id: 1, user_id: 1),
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approvals.create(id: 2, merge_request_id: 1, user_id: 2),
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approvals.create(id: 3, merge_request_id: 2, user_id: 1)
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]
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migration.up
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expect(approvals.all.to_a).to contain_exactly(*unique_approvals)
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end
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it 'creates unique index' do
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migration.up
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expect(migration.index_exists?(:approvals, [:user_id, :merge_request_id], unique: true)).to be_truthy
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end
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end
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describe '#down' do
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it 'removes unique index' do
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migration.up
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migration.down
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expect(migration.index_exists?(:approvals, [:user_id, :merge_request_id], unique: true)).to be_falsey
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end
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end
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end
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