65 lines
2.7 KiB
Ruby
65 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Preloaders::Environments::DeploymentPreloader do
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let_it_be(:user) { create(:user) }
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let_it_be(:project, reload: true) { create(:project, :repository) }
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let_it_be(:pipeline) { create(:ci_pipeline, user: user, project: project, sha: project.commit.sha) }
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let_it_be(:ci_build_a) { create(:ci_build, user: user, project: project, pipeline: pipeline) }
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let_it_be(:ci_build_b) { create(:ci_build, user: user, project: project, pipeline: pipeline) }
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let_it_be(:ci_build_c) { create(:ci_build, user: user, project: project, pipeline: pipeline) }
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let_it_be(:environment_a) { create(:environment, project: project, state: :available) }
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let_it_be(:environment_b) { create(:environment, project: project, state: :available) }
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before do
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create(:deployment, :success, project: project, environment: environment_a, deployable: ci_build_a)
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create(:deployment, :success, project: project, environment: environment_a, deployable: ci_build_b)
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create(:deployment, :success, project: project, environment: environment_b, deployable: ci_build_c)
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end
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def preload_association(association_name)
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described_class.new(project.environments)
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.execute_with_union(association_name, deployment_associations)
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end
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def deployment_associations
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{
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user: [],
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deployable: {
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pipeline: {
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manual_actions: []
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}
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}
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}
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end
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it 'does not trigger N+1 queries' do
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control = ActiveRecord::QueryRecorder.new { preload_association(:last_deployment) }
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ci_build_d = create(:ci_build, user: user, project: project, pipeline: pipeline)
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create(:deployment, :success, project: project, environment: environment_b, deployable: ci_build_d)
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expect { preload_association(:last_deployment) }.not_to exceed_query_limit(control)
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end
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it 'batch loads the dependent associations' do
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preload_association(:last_deployment)
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expect do
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project.environments.first.last_deployment.deployable.pipeline.manual_actions
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end.not_to exceed_query_limit(0)
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end
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# Example query scoped with IN clause for `last_deployment` association preload:
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# SELECT DISTINCT ON (environment_id) deployments.* FROM "deployments" WHERE "deployments"."status" IN (1, 2, 3, 4, 6) AND "deployments"."environment_id" IN (35, 34, 33) ORDER BY environment_id, deployments.id DESC
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it 'avoids scoping with IN clause during preload' do
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control = ActiveRecord::QueryRecorder.new { preload_association(:last_deployment) }
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default_preload_query = control.occurrences_by_line_method.first[1][:occurrences].any? { |i| i.include?('"deployments"."environment_id" IN') }
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expect(default_preload_query).to be(false)
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end
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end
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