Add specs for metering container iamge

spec/models/metering_container_image_spec.rb

@@ -0,0 +1,62 @@
+describe MeteringContainerImage do
+  include Spec::Support::ChargebackHelper
+  let(:base_options) { {:interval_size => 2, :end_interval_offset => 0, :ext_options => {:tz => 'UTC'} } }
+  let(:hourly_rate)       { 0.01 }
+  let(:count_hourly_rate) { 1.00 }
+  let(:starting_date) { Time.parse('2012-09-01 23:59:59Z').utc }
+  let(:ts) { starting_date.in_time_zone(Metric::Helper.get_time_zone(options[:ext_options])) }
+  let(:report_run_time) { month_end }
+  let(:month_beginning) { ts.beginning_of_month.utc }
+  let(:month_end) { ts.end_of_month.utc }
+  let(:hours_in_month) { Time.days_in_month(month_beginning.month, month_beginning.year) * 24 }
+  let(:ems) { FactoryGirl.create(:ems_openshift) }
+  let(:metric_rollup_params) { {:parent_ems_id => ems.id, :tag_names => ""} }
+
+  before do
+    # TODO: remove metering columns form specs
+    described_class.set_columns_hash(:metering_used_metric => :integer, :metering_used_cost => :float)
+
+    MiqRegion.seed
+    ChargebackRateDetailMeasure.seed
+    ChargeableField.seed
+    ChargebackRate.seed
+
+    MiqEnterprise.seed
+
+    EvmSpecHelper.create_guid_miq_server_zone
+    @node = FactoryGirl.create(:container_node, :name => "node")
+    @image = FactoryGirl.create(:container_image, :ext_management_system => ems)
+    @label = FactoryGirl.build(:custom_attribute, :name => "version/1.2/_label-1", :value => "test/1.0.0  rc_2", :section => 'docker_labels')
+    @project = FactoryGirl.create(:container_project, :name => "my project", :ext_management_system => ems)
+    @group = FactoryGirl.create(:container_group, :ext_management_system => ems, :container_project => @project,
+                                :container_node => @node)
+    @container = FactoryGirl.create(:kubernetes_container, :container_group => @group, :container_image => @image,
+                                    :limit_memory_bytes => 1.megabytes, :limit_cpu_cores => 1.0)
+
+    Timecop.travel(report_run_time)
+  end
+
+  after do
+    Timecop.return
+  end
+
+  context "Monthly" do
+    let(:options) { base_options.merge(:interval => 'monthly', :entity_id => @project.id, :tag => nil) }
+
+    before do
+      add_metric_rollups_for(@container, month_beginning...month_end, 12.hours, metric_rollup_params)
+
+      Range.new(month_beginning, month_end, true).step_value(12.hours).each do |time|
+        @container.vim_performance_states << FactoryGirl.create(:vim_performance_state, :timestamp => time, :image_tag_names => "environment/prod")
+      end
+    end
+
+    subject { MeteringContainerImage.build_results_for_report_MeteringContainerImage(options).first.first }
+
+    it "allocated fields" do
+      expect(subject.memory_allocated_metric).to eq(@container.limit_memory_bytes / 1.megabytes)
+      expect(subject.cpu_cores_allocated_metric).to eq(@container.limit_cpu_cores)
+      expect(subject.cpu_cores_allocated_metric).to eq(@container.limit_memory_bytes / 1.megabytes)
+    end
+  end
+end