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require 'test_helper'
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class ImageTest < ActiveSupport::TestCase
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test "can destroy image even if used by host and ensure host image_id is nullified" do
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image = images(:one)
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host = FactoryGirl.create(:host)
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host.update_attribute(:image_id, image.id)
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refute_nil host.image_id
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assert_difference('Image.count', -1) do
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assert image.destroy
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end
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host.reload
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assert_nil host.image_id
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end
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test "image is invalid if uuid invalid" do
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resource = compute_resources(:one)
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image = resource.images.build(:name => "foo", :uuid => "bar")
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ComputeResource.any_instance.stubs(:image_exists?).returns(false)
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image.valid? #trigger validations
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assert image.errors.messages.keys.include?(:uuid)
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end
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end
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