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require 'test_helper'
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module ForemanMaintain
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describe ObjectCache do
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include ResetTestState
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let :cache do
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ObjectCache.instance
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end
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it 'ensures class is singleton' do
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assert_raises(NoMethodError) { ObjectCache.new }
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end
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it 'has a hit on a existing key' do
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cache.stubs(:cache).returns(:key_found => 'A Class name')
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refute_nil cache.fetch(:key_found)
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end
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it 'misses for a non-existing key' do
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mock_obj = mock
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Detector.any_instance.stubs(:available_checks).returns([mock_obj])
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refute_nil cache.fetch(:key_not_found, mock_obj)
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end
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it 'does not cache nil values' do
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Detector.any_instance.stubs(:available_checks).returns([])
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cache.fetch(:some_key)
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assert_nil cache.cache[:some_key]
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end
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end
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end
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