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require 'test_helper'
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class ComputeResourceCacheTest < ActiveSupport::TestCase
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let(:compute_resource) { compute_resources(:vmware) }
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let(:cache) { ComputeResourceCache.new(compute_resource) }
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context 'with caching enabled' do
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setup do
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compute_resource.caching_enabled = true
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end
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test 'it caches data' do
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mock_networks = {'net' => 'work'}
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compute_resource.expects(:networks).once.returns(mock_networks)
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values = Array.new(10) do
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cache.cache(:networks) do
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networks
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end
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end
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assert_equal mock_networks, values.first
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assert_equal 1, values.uniq.size
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end
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test 'refresh the cache' do
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initial_scope = cache.cache_scope
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initial_value = 'testvalue'
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cache.write(:test, initial_value)
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cache.refresh
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new_scope = cache.cache_scope
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assert_not_equal initial_scope, new_scope
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assert_nil cache.read(:test)
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end
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test '#delete deletes keys from the cache' do
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cache.write(:delete_test, 'Foreman is great.')
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cache.delete(:delete_test)
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assert_nil cache.read(:delete_test)
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end
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test '#write and #read store and read data in the cache' do
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message = "Foreman is super."
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cache.write(:write_test, message)
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assert_equal message, cache.read(:write_test)
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end
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end
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context 'with caching disabled' do
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setup do
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compute_resource.caching_enabled = false
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end
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test 'does not cache data' do
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mock_networks = {'net' => 'work'}
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Rails.cache.expects(:write).never
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Rails.cache.expects(:read).never
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Rails.cache.expects(:fetch).never
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compute_resource.expects(:networks).times(10).returns(mock_networks)
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values = Array.new(10) do
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cache.cache(:networks) do
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networks
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end
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end
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assert_equal mock_networks, values.first
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assert_equal 1, values.uniq.size
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end
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end
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end
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