Files
external-snapshotter/vendor/github.com/kubernetes-csi/csi-test/test/driver_test.go
2018-11-14 16:54:21 -08:00

128 lines
2.9 KiB
Go

/*
Copyright 2017 Luis Pabón luis@portworx.com
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 test
import (
"context"
"net"
"sync"
"testing"
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/kubernetes-csi/csi-test/utils"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
)
// Example simple driver
// This example assumes that your driver will create the server and listen on
// some unix domain socket or port for tests.
type simpleDriver struct {
listener net.Listener
server *grpc.Server
wg sync.WaitGroup
}
func (s *simpleDriver) GetPluginCapabilities(context.Context, *csi.GetPluginCapabilitiesRequest) (*csi.GetPluginCapabilitiesResponse, error) {
// TODO: Return some simple Plugin Capabilities
return &csi.GetPluginCapabilitiesResponse{}, nil
}
func (s *simpleDriver) Probe(context.Context, *csi.ProbeRequest) (*csi.ProbeResponse, error) {
return &csi.ProbeResponse{}, nil
}
func (s *simpleDriver) GetPluginInfo(
context.Context, *csi.GetPluginInfoRequest) (*csi.GetPluginInfoResponse, error) {
return &csi.GetPluginInfoResponse{
Name: "simpleDriver",
VendorVersion: "0.1.1",
Manifest: map[string]string{
"hello": "world",
},
}, nil
}
func (s *simpleDriver) goServe() {
s.wg.Add(1)
go func() {
defer s.wg.Done()
s.server.Serve(s.listener)
}()
}
func (s *simpleDriver) Address() string {
return s.listener.Addr().String()
}
func (s *simpleDriver) Start() error {
// Listen on a port assigned by the net package
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
return err
}
s.listener = l
// Create a new grpc server
s.server = grpc.NewServer()
csi.RegisterIdentityServer(s.server, s)
reflection.Register(s.server)
// Start listening for requests
s.goServe()
return nil
}
func (s *simpleDriver) Stop() {
s.server.Stop()
s.wg.Wait()
}
//
// Tests
//
func TestSimpleDriver(t *testing.T) {
// Setup simple driver
s := &simpleDriver{}
err := s.Start()
if err != nil {
t.Errorf("Error: %s", err.Error())
}
defer s.Stop()
// Setup a connection to the driver
conn, err := utils.Connect(s.Address())
if err != nil {
t.Errorf("Error: %s", err.Error())
}
defer conn.Close()
// Make a call
c := csi.NewIdentityClient(conn)
r, err := c.GetPluginInfo(context.Background(), &csi.GetPluginInfoRequest{})
if err != nil {
t.Errorf("Error: %s", err.Error())
}
// Verify
name := r.GetName()
if name != "simpleDriver" {
t.Errorf("Unknown name: %s\n", name)
}
}