Function TestAddPodMetrics

pkg/metricsutil/metrics_resource_adder_test.go:63–119

(t *testing.T)

}

func TestAddPodMetrics(t *testing.T) {
	resourceAdder := initResourceAdder()

	tests := []struct {
		name             string
		cpuUsage         string
		memUsage         string
		expectedCpuUsage resource.Quantity
		expectedMemUsage resource.Quantity
	}{
		{
			name:             "initial value",
			cpuUsage:         "0",
			memUsage:         "0",
			expectedCpuUsage: getResourceQuantity(t, "0"),
			expectedMemUsage: getResourceQuantity(t, "0"),
		},
		{
			name:             "add first container metric",
			cpuUsage:         "1m",
			memUsage:         "10Mi",
			expectedCpuUsage: getResourceQuantity(t, "1m"),
			expectedMemUsage: getResourceQuantity(t, "10Mi"),
		},
		{
			name:             "add second container metric",
			cpuUsage:         "5m",
			memUsage:         "25Mi",
			expectedCpuUsage: getResourceQuantity(t, "6m"),
			expectedMemUsage: getResourceQuantity(t, "35Mi"),
		},
		{
			name:             "add third container zero metric",
			cpuUsage:         "0m",
			memUsage:         "0Mi",
			expectedCpuUsage: getResourceQuantity(t, "6m"),
			expectedMemUsage: getResourceQuantity(t, "35Mi"),
		},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			podMetrics := metrics.PodMetrics{}
			addContainerMetricsToPodMetrics(t, &podMetrics, test.cpuUsage, test.memUsage)

			resourceAdder.AddPodMetrics(&podMetrics)
			cpuUsage := resourceAdder.total["cpu"]
			memUsage := resourceAdder.total["memory"]

			if !test.expectedCpuUsage.Equal(cpuUsage) {
				t.Errorf("expecting cpu usage %s but getting %s", test.expectedCpuUsage.String(), cpuUsage.String())
			}
			if !test.expectedMemUsage.Equal(memUsage) {
				t.Errorf("expecting memeory usage %s but getting %s", test.expectedMemUsage.String(), memUsage.String())
			}
		})
	}
}