forked from kubernetes/kubernetes
/
manager_test.go
257 lines (228 loc) · 5.9 KB
/
manager_test.go
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// Copyright 2014 Google Inc. All Rights Reserved.
//
// 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.
// Per-container manager.
package manager
import (
"reflect"
"testing"
"time"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/info"
itest "github.com/google/cadvisor/info/test"
stest "github.com/google/cadvisor/storage/test"
)
func createManagerAndAddContainers(
driver *stest.MockStorageDriver,
containers []string,
f func(*container.MockContainerHandler),
t *testing.T,
) *manager {
if driver == nil {
driver = &stest.MockStorageDriver{}
}
factory := &container.FactoryForMockContainerHandler{
Name: "factoryForManager",
PrepareContainerHandlerFunc: func(name string, handler *container.MockContainerHandler) {
handler.Name = name
found := false
for _, c := range containers {
if c == name {
found = true
}
}
if !found {
t.Errorf("Asked to create a container with name %v, which is unknown.", name)
}
f(handler)
},
}
container.ClearContainerHandlerFactories()
container.RegisterContainerHandlerFactory(factory)
mif, err := New(driver)
if err != nil {
t.Fatal(err)
}
if ret, ok := mif.(*manager); ok {
for _, container := range containers {
ret.containers[container], err = NewContainerData(container, driver)
if err != nil {
t.Fatal(err)
}
}
return ret
}
t.Fatal("Wrong type")
return nil
}
func TestGetContainerInfo(t *testing.T) {
containers := []string{
"/c1",
"/c2",
}
query := &info.ContainerInfoRequest{
NumStats: 256,
NumSamples: 128,
CpuUsagePercentiles: []int{10, 50, 90},
MemoryUsagePercentiles: []int{10, 80, 90},
}
infosMap := make(map[string]*info.ContainerInfo, len(containers))
handlerMap := make(map[string]*container.MockContainerHandler, len(containers))
for _, container := range containers {
infosMap[container] = itest.GenerateRandomContainerInfo(container, 4, query, 1*time.Second)
}
driver := &stest.MockStorageDriver{}
m := createManagerAndAddContainers(
driver,
containers,
func(h *container.MockContainerHandler) {
cinfo := infosMap[h.Name]
stats := cinfo.Stats
samples := cinfo.Samples
percentiles := cinfo.StatsPercentiles
spec := cinfo.Spec
driver.On(
"Percentiles",
h.Name,
query.CpuUsagePercentiles,
query.MemoryUsagePercentiles,
).Return(
percentiles,
nil,
)
driver.On(
"Samples",
h.Name,
query.NumSamples,
).Return(
samples,
nil,
)
driver.On(
"RecentStats",
h.Name,
query.NumStats,
).Return(
stats,
nil,
)
h.On("ListContainers", container.LIST_SELF).Return(
[]info.ContainerReference(nil),
nil,
)
h.On("GetSpec").Return(
spec,
nil,
)
handlerMap[h.Name] = h
},
t,
)
returnedInfos := make(map[string]*info.ContainerInfo, len(containers))
for _, container := range containers {
cinfo, err := m.GetContainerInfo(container, query)
if err != nil {
t.Fatalf("Unable to get info for container %v: %v", container, err)
}
returnedInfos[container] = cinfo
}
for container, handler := range handlerMap {
handler.AssertExpectations(t)
returned := returnedInfos[container]
expected := infosMap[container]
if !reflect.DeepEqual(returned, expected) {
t.Errorf("returned unexpected info for container %v; returned %+v; expected %+v", container, returned, expected)
}
}
}
func TestGetContainerInfoWithDefaultValue(t *testing.T) {
containers := []string{
"/c1",
"/c2",
}
query := &info.ContainerInfoRequest{
NumStats: 64,
NumSamples: 64,
CpuUsagePercentiles: []int{50, 80, 90},
MemoryUsagePercentiles: []int{50, 80, 90},
}
infosMap := make(map[string]*info.ContainerInfo, len(containers))
handlerMap := make(map[string]*container.MockContainerHandler, len(containers))
for _, container := range containers {
infosMap[container] = itest.GenerateRandomContainerInfo(container, 4, query, 1*time.Second)
}
driver := &stest.MockStorageDriver{}
m := createManagerAndAddContainers(
driver,
containers,
func(h *container.MockContainerHandler) {
cinfo := infosMap[h.Name]
stats := cinfo.Stats
samples := cinfo.Samples
percentiles := cinfo.StatsPercentiles
spec := cinfo.Spec
driver.On(
"Percentiles",
h.Name,
query.CpuUsagePercentiles,
query.MemoryUsagePercentiles,
).Return(
percentiles,
nil,
)
driver.On(
"Samples",
h.Name,
query.NumSamples,
).Return(
samples,
nil,
)
driver.On(
"RecentStats",
h.Name,
query.NumStats,
).Return(
stats,
nil,
)
h.On("ListContainers", container.LIST_SELF).Return(
[]info.ContainerReference(nil),
nil,
)
h.On("GetSpec").Return(
spec,
nil,
)
handlerMap[h.Name] = h
},
t,
)
returnedInfos := make(map[string]*info.ContainerInfo, len(containers))
for _, container := range containers {
// nil should give us default values
cinfo, err := m.GetContainerInfo(container, nil)
if err != nil {
t.Fatalf("Unable to get info for container %v: %v", container, err)
}
returnedInfos[container] = cinfo
}
for container, handler := range handlerMap {
handler.AssertExpectations(t)
returned := returnedInfos[container]
expected := infosMap[container]
if !reflect.DeepEqual(returned, expected) {
t.Errorf("returned unexpected info for container %v; returned %+v; expected %+v", container, returned, expected)
}
}
}