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# frozen_string_literal: true
require 'spec_helper'
require Rails.root.join('db', 'post_migrate', '20200203104214_services_remove_temporary_index_on_project_id.rb')
describe ServicesRemoveTemporaryIndexOnProjectId do
let(:migration_instance) { described_class.new }
it 'adds and removes temporary partial index in up and down methods' do
reversible_migration do |migration|
migration.before -> {
expect(migration_instance.index_exists?(:services, :project_id, name: described_class::INDEX_NAME)).to be true
}
migration.after -> {
expect(migration_instance.index_exists?(:services, :project_id, name: described_class::INDEX_NAME)).to be false
}
end
end
describe '#up' do
context 'index does not exist' do
it 'skips removal action' do
migrate!
expect { migrate! }.not_to change { migration_instance.index_exists?(:services, :project_id, name: described_class::INDEX_NAME) }
end
end
end
describe '#down' do
context 'index already exists' do
it 'skips creation of duplicated temporary partial index on project_id' do
schema_migrate_down!
expect { schema_migrate_down! }.not_to change { migration_instance.index_exists?(:services, :project_id, name: described_class::INDEX_NAME) }
end
end
end
end
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