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test preload passing an array #23402

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Apr 21, 2025
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test preload passing an array #23402

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14 changes: 14 additions & 0 deletions spec/lib/miq_preloader_spec.rb
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
RSpec.describe MiqPreloader do
# implied vms (simple association)
let(:ems) { FactoryBot.create(:ems_infra).tap { |ems| FactoryBot.create_list(:vm, 2, :ext_management_system => ems) } }
let(:zone) { FactoryBot.create(:zone) }

# implied container_nodes (through association)
let(:image) do
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expect { expect(nodes.first.container_images).to eq([image]) }.to make_database_queries(:count => 1)
end

it "preloads association array" do
host = FactoryBot.create(:host_vmware) # infra
FactoryBot.create_list(:vm, 2, :ext_management_system => FactoryBot.create(:ems_infra, :zone => zone), :host => host)
emses = ExtManagementSystem.all

# 4: ems, zones, vms, hosts
expect { preload(emses, [:zone, :vms => :host]) }.to make_database_queries(:count => 4)

expect { expect(emses.first.vms.size).to eq(2) }.not_to make_database_queries
expect { expect(emses.first.vms.first.host).to eq(host) }.not_to make_database_queries
expect { expect(emses.first.zone).to eq(zone) }.not_to make_database_queries
end

def preload(*args, **kwargs)
MiqPreloader.preload(*args, **kwargs)
end
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