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require 'test_helper'
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module ForemanMaintain
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describe DependencyGraph do
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let(:scenario) { Scenarios::PresentUpgrade::PreUpgradeChecks.new }
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let(:step_1) { Checks::ExternalServiceIsAccessible.new }
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let(:step_2) { Procedures::PresentServiceRestart.new }
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let(:step_3) { Procedures::PresentServiceStart.new }
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let(:steps) { [step_1, step_2, step_3] }
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it 'preserves the order the steps were added' do
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ordered_steps = DependencyGraph.sort(steps)
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ordered_steps.map(&:label).must_equal(
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[:external_service_is_accessible, :present_service_restart, :present_service_start]
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)
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end
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it 'should satisfy order requirements' do
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step_2.class.stubs(:before => [step_1.label])
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ordered_steps = DependencyGraph.sort(steps)
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ordered_steps.map(&:label).must_equal(
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[:present_service_restart, :external_service_is_accessible, :present_service_start]
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)
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end
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end
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end
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