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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::BackgroundMigration::BackfillDeploymentClustersFromDeployments, :migration, schema: 20200227140242 do
subject { described_class.new }
describe '#perform' do
it 'backfills deployment_cluster for all deployments in the given range with a non-null cluster_id' do
deployment_clusters = table(:deployment_clusters)
namespace = table(:namespaces).create!(name: 'the-namespace', path: 'the-path')
project = table(:projects).create!(name: 'the-project', namespace_id: namespace.id)
environment = table(:environments).create!(name: 'the-environment', project_id: project.id, slug: 'slug')
cluster = table(:clusters).create!(name: 'the-cluster')
deployment_data = { cluster_id: cluster.id, project_id: project.id, environment_id: environment.id, ref: 'abc', tag: false, sha: 'sha', status: 1 }
expected_deployment_1 = create_deployment(**deployment_data)
create_deployment(**deployment_data, cluster_id: nil) # no cluster_id
expected_deployment_2 = create_deployment(**deployment_data)
out_of_range_deployment = create_deployment(**deployment_data, cluster_id: cluster.id) # expected to be out of range
# to test "ON CONFLICT DO NOTHING"
existing_record_for_deployment_2 = deployment_clusters.create!(
deployment_id: expected_deployment_2.id,
cluster_id: expected_deployment_2.cluster_id,
kubernetes_namespace: 'production'
)
subject.perform(expected_deployment_1.id, out_of_range_deployment.id - 1)
expect(deployment_clusters.all.pluck(:deployment_id, :cluster_id, :kubernetes_namespace)).to contain_exactly(
[expected_deployment_1.id, cluster.id, nil],
[expected_deployment_2.id, cluster.id, existing_record_for_deployment_2.kubernetes_namespace]
)
end
def create_deployment(**data)
@iid ||= 0
@iid += 1
table(:deployments).create!(iid: @iid, **data)
end
end
end
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