top_test.go

Documentation: k8s.io/kubectl/pkg/cmd/top

     1  /*
     2  Copyright 2016 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package top
    18  
    19  import (
    20  	"bytes"
    21  	"encoding/json"
    22  	"io"
    23  	"time"
    24  
    25  	"testing"
    26  
    27  	v1 "k8s.io/api/core/v1"
    28  	"k8s.io/apimachinery/pkg/api/resource"
    29  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    30  	"k8s.io/cli-runtime/pkg/genericiooptions"
    31  	cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
    32  	metricsv1beta1api "k8s.io/metrics/pkg/apis/metrics/v1beta1"
    33  )
    34  
    35  func TestTopSubcommandsExist(t *testing.T) {
    36  	cmdtesting.InitTestErrorHandler(t)
    37  
    38  	f := cmdtesting.NewTestFactory()
    39  	defer f.Cleanup()
    40  
    41  	cmd := NewCmdTop(f, genericiooptions.NewTestIOStreamsDiscard())
    42  	if !cmd.HasSubCommands() {
    43  		t.Error("top command should have subcommands")
    44  	}
    45  }
    46  
    47  func marshallBody(metrics interface{}) (io.ReadCloser, error) {
    48  	result, err := json.Marshal(metrics)
    49  	if err != nil {
    50  		return nil, err
    51  	}
    52  	return io.NopCloser(bytes.NewReader(result)), nil
    53  }
    54  
    55  func testNodeV1beta1MetricsData() (*metricsv1beta1api.NodeMetricsList, *v1.NodeList) {
    56  	metrics := &metricsv1beta1api.NodeMetricsList{
    57  		ListMeta: metav1.ListMeta{
    58  			ResourceVersion: "1",
    59  		},
    60  		Items: []metricsv1beta1api.NodeMetrics{
    61  			{
    62  				ObjectMeta: metav1.ObjectMeta{Name: "node1", ResourceVersion: "10", Labels: map[string]string{"key": "value"}},
    63  				Window:     metav1.Duration{Duration: time.Minute},
    64  				Usage: v1.ResourceList{
    65  					v1.ResourceCPU:     *resource.NewMilliQuantity(1, resource.DecimalSI),
    66  					v1.ResourceMemory:  *resource.NewQuantity(2*(1024*1024), resource.DecimalSI),
    67  					v1.ResourceStorage: *resource.NewQuantity(3*(1024*1024), resource.DecimalSI),
    68  				},
    69  			},
    70  			{
    71  				ObjectMeta: metav1.ObjectMeta{Name: "node2", ResourceVersion: "11"},
    72  				Window:     metav1.Duration{Duration: time.Minute},
    73  				Usage: v1.ResourceList{
    74  					v1.ResourceCPU:     *resource.NewMilliQuantity(5, resource.DecimalSI),
    75  					v1.ResourceMemory:  *resource.NewQuantity(6*(1024*1024), resource.DecimalSI),
    76  					v1.ResourceStorage: *resource.NewQuantity(7*(1024*1024), resource.DecimalSI),
    77  				},
    78  			},
    79  			{
    80  				ObjectMeta: metav1.ObjectMeta{Name: "node3", ResourceVersion: "11"},
    81  				Window:     metav1.Duration{Duration: time.Minute},
    82  				Usage: v1.ResourceList{
    83  					v1.ResourceCPU:     *resource.NewMilliQuantity(3, resource.DecimalSI),
    84  					v1.ResourceMemory:  *resource.NewQuantity(4*(1024*1024), resource.DecimalSI),
    85  					v1.ResourceStorage: *resource.NewQuantity(5*(1024*1024), resource.DecimalSI),
    86  				},
    87  			},
    88  		},
    89  	}
    90  	nodes := &v1.NodeList{
    91  		ListMeta: metav1.ListMeta{
    92  			ResourceVersion: "15",
    93  		},
    94  		Items: []v1.Node{
    95  			{
    96  				ObjectMeta: metav1.ObjectMeta{Name: "node1", ResourceVersion: "10"},
    97  				Status: v1.NodeStatus{
    98  					Allocatable: v1.ResourceList{
    99  						v1.ResourceCPU:     *resource.NewMilliQuantity(10, resource.DecimalSI),
   100  						v1.ResourceMemory:  *resource.NewQuantity(20*(1024*1024), resource.DecimalSI),
   101  						v1.ResourceStorage: *resource.NewQuantity(30*(1024*1024), resource.DecimalSI),
   102  					},
   103  				},
   104  			},
   105  			{
   106  				ObjectMeta: metav1.ObjectMeta{Name: "node2", ResourceVersion: "11"},
   107  				Status: v1.NodeStatus{
   108  					Allocatable: v1.ResourceList{
   109  						v1.ResourceCPU:     *resource.NewMilliQuantity(50, resource.DecimalSI),
   110  						v1.ResourceMemory:  *resource.NewQuantity(60*(1024*1024), resource.DecimalSI),
   111  						v1.ResourceStorage: *resource.NewQuantity(70*(1024*1024), resource.DecimalSI),
   112  					},
   113  				},
   114  			},
   115  			{
   116  				ObjectMeta: metav1.ObjectMeta{Name: "node3", ResourceVersion: "11"},
   117  				Status: v1.NodeStatus{
   118  					Allocatable: v1.ResourceList{
   119  						v1.ResourceCPU:     *resource.NewMilliQuantity(30, resource.DecimalSI),
   120  						v1.ResourceMemory:  *resource.NewQuantity(40*(1024*1024), resource.DecimalSI),
   121  						v1.ResourceStorage: *resource.NewQuantity(50*(1024*1024), resource.DecimalSI),
   122  					},
   123  				},
   124  			},
   125  		},
   126  	}
   127  	return metrics, nodes
   128  }
   129
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