Function TestPrintNodeMetrics

pkg/metricsutil/metrics_printer_test.go:32–139

(t *testing.T)

)

func TestPrintNodeMetrics(t *testing.T) {

	tests := []struct {
		name           string
		nodeMetric     []metricsapi.NodeMetrics
		nodes          []*v1.Node
		noHeader       bool
		sortBy         string
		expectedErr    error
		expectedOutput string
	}{
		{
			name:  "Single node with default header",
			nodes: []*v1.Node{newNode("node1")},
			nodeMetric: []metricsapi.NodeMetrics{
				{
					ObjectMeta: metav1.ObjectMeta{Name: "node1", ResourceVersion: "10", Labels: map[string]string{"key": "value"}},
					Window:     metav1.Duration{Duration: time.Minute},
					Usage: v1.ResourceList{
						v1.ResourceCPU:    resource.MustParse("1"),
						v1.ResourceMemory: resource.MustParse("1Gi"),
					},
				},
			},
			expectedOutput: `NAME    CPU(cores)   CPU(%)   MEMORY(bytes)   MEMORY(%)   
node1   1000m        10%      1024Mi          10%         
`,
		},
		{
			name:  "Single node without header",
			nodes: []*v1.Node{newNode("node1")},
			nodeMetric: []metricsapi.NodeMetrics{
				{
					ObjectMeta: metav1.ObjectMeta{Name: "node1", ResourceVersion: "10", Labels: map[string]string{"key": "value"}},
					Window:     metav1.Duration{Duration: time.Minute},
					Usage: v1.ResourceList{
						v1.ResourceCPU:    resource.MustParse("1"),
						v1.ResourceMemory: resource.MustParse("1Gi"),
					},
				},
			},
			noHeader: true,
			expectedOutput: `node1   1000m   10%   1024Mi   10%   
`,
		},
		{
			name:  "Multiple nodes with one missing metrics",
			nodes: []*v1.Node{newNode("node1"), newNode("node2")},
			nodeMetric: []metricsapi.NodeMetrics{
				{
					ObjectMeta: metav1.ObjectMeta{Name: "node1", ResourceVersion: "10", Labels: map[string]string{"key": "value"}},
					Window:     metav1.Duration{Duration: time.Minute},
					Usage: v1.ResourceList{
						v1.ResourceCPU:    resource.MustParse("1"),
						v1.ResourceMemory: resource.MustParse("1Gi"),
					},
				},
			},