add migration spec
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# encoding: utf-8
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require 'spec_helper'
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require Rails.root.join('db', 'post_migrate', '20180202111106_remove_project_labels_group_id.rb')
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describe RemoveProjectLabelsGroupId, :delete do
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let(:migration) { described_class.new }
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let(:group) { create(:group) }
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let!(:project_label) { create(:label, group_id: group.id) }
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let!(:group_label) { create(:group_label) }
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describe '#up' do
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it 'updates the project labels group ID' do
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expect { migration.up }.to change { project_label.reload.group_id }.from(1).to(nil)
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end
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it 'keeps the group labels group ID' do
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expect { migration.up }.not_to change { group_label.reload.group_id }
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end
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end
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end
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