cadvisor/container/factory_test.go
2014-06-09 12:12:07 -07:00

77 lines
2.3 KiB
Go

// 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.
package container
import (
"strings"
"testing"
"github.com/stretchr/testify/mock"
)
type mockContainerHandlerFactory struct {
mock.Mock
Name string
}
func (self *mockContainerHandlerFactory) String() string {
return self.Name
}
func (self *mockContainerHandlerFactory) NewContainerHandler(name string) (ContainerHandler, error) {
args := self.Called(name)
return args.Get(0).(ContainerHandler), args.Error(1)
}
func testExpectedFactory(root *factoryTreeNode, path, expectedFactory string, t *testing.T) {
elems := dropEmptyString(strings.Split(path, "/")...)
factory := root.find(elems...)
if factory.String() != expectedFactory {
t.Errorf("factory %v should be used to create container %v. but %v is selected",
expectedFactory,
path,
factory)
}
}
func testAddFactory(root *factoryTreeNode, path string) *factoryTreeNode {
elems := dropEmptyString(strings.Split(path, "/")...)
if root == nil {
root = &factoryTreeNode{
defaultFactory: nil,
}
}
f := &mockContainerHandlerFactory{
Name: path,
}
root.add(f, elems...)
return root
}
func TestFactoryTree(t *testing.T) {
root := testAddFactory(nil, "/")
root = testAddFactory(root, "/docker")
root = testAddFactory(root, "/user")
root = testAddFactory(root, "/user/special/containers")
testExpectedFactory(root, "/docker/container", "/docker", t)
testExpectedFactory(root, "/docker", "/docker", t)
testExpectedFactory(root, "/", "/", t)
testExpectedFactory(root, "/user/deep/level/container", "/user", t)
testExpectedFactory(root, "/user/special/containers", "/user/special/containers", t)
testExpectedFactory(root, "/user/special/containers/container", "/user/special/containers", t)
testExpectedFactory(root, "/other", "/", t)
}