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moby--moby/pkg/plugins/discovery_test.go
David Calavera 333ac3a3eb Plugins JSON spec.
Allow full configuration of external plugins via a JSON document.

Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-06-29 10:32:18 -07:00

152 lines
3.5 KiB
Go

package plugins
import (
"fmt"
"io/ioutil"
"net"
"os"
"path/filepath"
"reflect"
"testing"
)
func TestUnknownLocalPath(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
l := newLocalRegistry(filepath.Join(tmpdir, "unknown"))
_, err = l.Plugin("foo")
if err == nil || err != ErrNotFound {
t.Fatalf("Expected error for unknown directory")
}
}
func TestLocalSocket(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
l, err := net.Listen("unix", filepath.Join(tmpdir, "echo.sock"))
if err != nil {
t.Fatal(err)
}
defer l.Close()
r := newLocalRegistry(tmpdir)
p, err := r.Plugin("echo")
if err != nil {
t.Fatal(err)
}
pp, err := r.Plugin("echo")
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(p, pp) {
t.Fatalf("Expected %v, was %v\n", p, pp)
}
if p.Name != "echo" {
t.Fatalf("Expected plugin `echo`, got %s\n", p.Name)
}
addr := fmt.Sprintf("unix://%s/echo.sock", tmpdir)
if p.Addr != addr {
t.Fatalf("Expected plugin addr `%s`, got %s\n", addr, p.Addr)
}
}
func TestFileSpecPlugin(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-test-")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
cases := []struct {
path string
name string
addr string
fail bool
}{
{filepath.Join(tmpdir, "echo.spec"), "echo", "unix://var/lib/docker/plugins/echo.sock", false},
{filepath.Join(tmpdir, "foo.spec"), "foo", "tcp://localhost:8080", false},
{filepath.Join(tmpdir, "bar.spec"), "bar", "localhost:8080", true}, // unknown transport
}
for _, c := range cases {
if err = ioutil.WriteFile(c.path, []byte(c.addr), 0644); err != nil {
t.Fatal(err)
}
r := newLocalRegistry(tmpdir)
p, err := r.Plugin(c.name)
if c.fail && err == nil {
continue
}
if err != nil {
t.Fatal(err)
}
if p.Name != c.name {
t.Fatalf("Expected plugin `%s`, got %s\n", c.name, p.Name)
}
if p.Addr != c.addr {
t.Fatalf("Expected plugin addr `%s`, got %s\n", c.addr, p.Addr)
}
}
}
func TestFileJSONSpecPlugin(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "docker-test-")
if err != nil {
t.Fatal(err)
}
p := filepath.Join(tmpdir, "example.json")
spec := `{
"Name": "plugin-example",
"Addr": "https://example.com/docker/plugin",
"TLSConfig": {
"CAFile": "/usr/shared/docker/certs/example-ca.pem",
"CertFile": "/usr/shared/docker/certs/example-cert.pem",
"KeyFile": "/usr/shared/docker/certs/example-key.pem"
}
}`
if err = ioutil.WriteFile(p, []byte(spec), 0644); err != nil {
t.Fatal(err)
}
r := newLocalRegistry(tmpdir)
plugin, err := r.Plugin("example")
if err != nil {
t.Fatal(err)
}
if plugin.Name != "example" {
t.Fatalf("Expected plugin `plugin-example`, got %s\n", plugin.Name)
}
if plugin.Addr != "https://example.com/docker/plugin" {
t.Fatalf("Expected plugin addr `https://example.com/docker/plugin`, got %s\n", plugin.Addr)
}
if plugin.TLSConfig.CAFile != "/usr/shared/docker/certs/example-ca.pem" {
t.Fatalf("Expected plugin CA `/usr/shared/docker/certs/example-ca.pem`, got %s\n", plugin.TLSConfig.CAFile)
}
if plugin.TLSConfig.CertFile != "/usr/shared/docker/certs/example-cert.pem" {
t.Fatalf("Expected plugin Certificate `/usr/shared/docker/certs/example-cert.pem`, got %s\n", plugin.TLSConfig.CertFile)
}
if plugin.TLSConfig.KeyFile != "/usr/shared/docker/certs/example-key.pem" {
t.Fatalf("Expected plugin Key `/usr/shared/docker/certs/example-key.pem`, got %s\n", plugin.TLSConfig.KeyFile)
}
}