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|
package volume
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"testing"
"github.com/docker/go-connections/sockets"
)
func TestHandler(t *testing.T) {
p := &testPlugin{}
h := NewHandler(p)
l := sockets.NewInmemSocket("test", 0)
go h.Serve(l)
defer l.Close()
client := &http.Client{Transport: &http.Transport{
Dial: l.Dial,
}}
// Create
_, err := pluginRequest(client, createPath, &CreateRequest{Name: "foo"})
if err != nil {
t.Fatal(err)
}
if p.create != 1 {
t.Fatalf("expected create 1, got %d", p.create)
}
// Get
resp, err := pluginRequest(client, getPath, &GetRequest{Name: "foo"})
if err != nil {
t.Fatal(err)
}
var gResp *GetResponse
if err := json.NewDecoder(resp).Decode(&gResp); err != nil {
t.Fatal(err)
}
if gResp.Volume.Name != "foo" {
t.Fatalf("expected volume `foo`, got %v", gResp.Volume)
}
if p.get != 1 {
t.Fatalf("expected get 1, got %d", p.get)
}
// List
resp, err = pluginRequest(client, listPath, nil)
if err != nil {
t.Fatal(err)
}
var lResp *ListResponse
if err := json.NewDecoder(resp).Decode(&lResp); err != nil {
t.Fatal(err)
}
if len(lResp.Volumes) != 1 {
t.Fatalf("expected 1 volume, got %v", lResp.Volumes)
}
if lResp.Volumes[0].Name != "foo" {
t.Fatalf("expected volume `foo`, got %v", lResp.Volumes[0])
}
if p.list != 1 {
t.Fatalf("expected list 1, got %d", p.list)
}
// Path
if _, err := pluginRequest(client, hostVirtualPath, &PathRequest{Name: "foo"}); err != nil {
t.Fatal(err)
}
if p.path != 1 {
t.Fatalf("expected path 1, got %d", p.path)
}
// Mount
if _, err := pluginRequest(client, mountPath, &MountRequest{Name: "foo"}); err != nil {
t.Fatal(err)
}
if p.mount != 1 {
t.Fatalf("expected mount 1, got %d", p.mount)
}
// Unmount
if _, err := pluginRequest(client, unmountPath, &UnmountRequest{Name: "foo"}); err != nil {
t.Fatal(err)
}
if p.unmount != 1 {
t.Fatalf("expected unmount 1, got %d", p.unmount)
}
// Remove
_, err = pluginRequest(client, removePath, &RemoveRequest{Name: "foo"})
if err != nil {
t.Fatal(err)
}
if p.remove != 1 {
t.Fatalf("expected remove 1, got %d", p.remove)
}
// Capabilities
resp, err = pluginRequest(client, capabilitiesPath, nil)
var cResp *CapabilitiesResponse
if err := json.NewDecoder(resp).Decode(&cResp); err != nil {
t.Fatal(err)
}
if p.capabilities != 1 {
t.Fatalf("expected remove 1, got %d", p.capabilities)
}
}
func pluginRequest(client *http.Client, method string, req interface{}) (io.Reader, error) {
b, err := json.Marshal(req)
if err != nil {
return nil, err
}
if req == nil {
b = []byte{}
}
resp, err := client.Post("http://localhost"+method, "application/json", bytes.NewReader(b))
if err != nil {
return nil, err
}
return resp.Body, nil
}
type testPlugin struct {
volumes []string
create int
get int
list int
path int
mount int
unmount int
remove int
capabilities int
}
func (p *testPlugin) Create(req *CreateRequest) error {
p.create++
p.volumes = append(p.volumes, req.Name)
return nil
}
func (p *testPlugin) Get(req *GetRequest) (*GetResponse, error) {
p.get++
for _, v := range p.volumes {
if v == req.Name {
return &GetResponse{Volume: &Volume{Name: v}}, nil
}
}
return &GetResponse{}, fmt.Errorf("no such volume")
}
func (p *testPlugin) List() (*ListResponse, error) {
p.list++
var vols []*Volume
for _, v := range p.volumes {
vols = append(vols, &Volume{Name: v})
}
return &ListResponse{Volumes: vols}, nil
}
func (p *testPlugin) Remove(req *RemoveRequest) error {
p.remove++
for i, v := range p.volumes {
if v == req.Name {
p.volumes = append(p.volumes[:i], p.volumes[i+1:]...)
return nil
}
}
return fmt.Errorf("no such volume")
}
func (p *testPlugin) Path(req *PathRequest) (*PathResponse, error) {
p.path++
for _, v := range p.volumes {
if v == req.Name {
return &PathResponse{}, nil
}
}
return &PathResponse{}, fmt.Errorf("no such volume")
}
func (p *testPlugin) Mount(req *MountRequest) (*MountResponse, error) {
p.mount++
for _, v := range p.volumes {
if v == req.Name {
return &MountResponse{}, nil
}
}
return &MountResponse{}, fmt.Errorf("no such volume")
}
func (p *testPlugin) Unmount(req *UnmountRequest) error {
p.unmount++
for _, v := range p.volumes {
if v == req.Name {
return nil
}
}
return fmt.Errorf("no such volume")
}
func (p *testPlugin) Capabilities() *CapabilitiesResponse {
p.capabilities++
return &CapabilitiesResponse{Capabilities: Capability{Scope: "local"}}
}
|
