| /* |
| Copyright 2018 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package cache |
| |
| import ( |
| "reflect" |
| "testing" |
| |
| "k8s.io/api/core/v1" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| "k8s.io/apimachinery/pkg/util/sets" |
| ) |
| |
| const mb int64 = 1024 * 1024 |
| |
| func TestGetNodeImageStates(t *testing.T) { |
| tests := []struct { |
| node *v1.Node |
| imageExistenceMap map[string]sets.String |
| expected map[string]*ImageStateSummary |
| }{ |
| { |
| node: &v1.Node{ |
| ObjectMeta: metav1.ObjectMeta{Name: "node-0"}, |
| Status: v1.NodeStatus{ |
| Images: []v1.ContainerImage{ |
| { |
| Names: []string{ |
| "gcr.io/10:v1", |
| }, |
| SizeBytes: int64(10 * mb), |
| }, |
| { |
| Names: []string{ |
| "gcr.io/200:v1", |
| }, |
| SizeBytes: int64(200 * mb), |
| }, |
| }, |
| }, |
| }, |
| imageExistenceMap: map[string]sets.String{ |
| "gcr.io/10:v1": sets.NewString("node-0", "node-1"), |
| "gcr.io/200:v1": sets.NewString("node-0"), |
| }, |
| expected: map[string]*ImageStateSummary{ |
| "gcr.io/10:v1": { |
| Size: int64(10 * mb), |
| NumNodes: 2, |
| }, |
| "gcr.io/200:v1": { |
| Size: int64(200 * mb), |
| NumNodes: 1, |
| }, |
| }, |
| }, |
| } |
| |
| for _, test := range tests { |
| imageStates := getNodeImageStates(test.node, test.imageExistenceMap) |
| if !reflect.DeepEqual(test.expected, imageStates) { |
| t.Errorf("expected: %#v, got: %#v", test.expected, imageStates) |
| } |
| } |
| } |
| |
| func TestCreateImageExistenceMap(t *testing.T) { |
| tests := []struct { |
| nodes []*v1.Node |
| expected map[string]sets.String |
| }{ |
| { |
| nodes: []*v1.Node{ |
| { |
| ObjectMeta: metav1.ObjectMeta{Name: "node-0"}, |
| Status: v1.NodeStatus{ |
| Images: []v1.ContainerImage{ |
| { |
| Names: []string{ |
| "gcr.io/10:v1", |
| }, |
| SizeBytes: int64(10 * mb), |
| }, |
| }, |
| }, |
| }, |
| { |
| ObjectMeta: metav1.ObjectMeta{Name: "node-1"}, |
| Status: v1.NodeStatus{ |
| Images: []v1.ContainerImage{ |
| { |
| Names: []string{ |
| "gcr.io/10:v1", |
| }, |
| SizeBytes: int64(10 * mb), |
| }, |
| { |
| Names: []string{ |
| "gcr.io/200:v1", |
| }, |
| SizeBytes: int64(200 * mb), |
| }, |
| }, |
| }, |
| }, |
| }, |
| expected: map[string]sets.String{ |
| "gcr.io/10:v1": sets.NewString("node-0", "node-1"), |
| "gcr.io/200:v1": sets.NewString("node-1"), |
| }, |
| }, |
| } |
| |
| for _, test := range tests { |
| imageMap := createImageExistenceMap(test.nodes) |
| if !reflect.DeepEqual(test.expected, imageMap) { |
| t.Errorf("expected: %#v, got: %#v", test.expected, imageMap) |
| } |
| } |
| } |