154 lines
3.6 KiB
Go
154 lines
3.6 KiB
Go
package plugins // import "github.com/docker/docker/pkg/plugins"
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import (
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"bytes"
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"encoding/json"
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"io"
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"io/ioutil"
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"net/http"
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"path/filepath"
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"runtime"
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"sync"
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"testing"
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"time"
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"github.com/docker/docker/pkg/plugins/transport"
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"github.com/docker/go-connections/tlsconfig"
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"github.com/pkg/errors"
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"gotest.tools/assert"
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)
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const (
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fruitPlugin = "fruit"
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fruitImplements = "apple"
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)
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// regression test for deadlock in handlers
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func TestPluginAddHandler(t *testing.T) {
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// make a plugin which is pre-activated
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p := &Plugin{activateWait: sync.NewCond(&sync.Mutex{})}
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p.Manifest = &Manifest{Implements: []string{"bananas"}}
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storage.plugins["qwerty"] = p
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testActive(t, p)
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Handle("bananas", func(_ string, _ *Client) {})
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testActive(t, p)
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}
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func TestPluginWaitBadPlugin(t *testing.T) {
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p := &Plugin{activateWait: sync.NewCond(&sync.Mutex{})}
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p.activateErr = errors.New("some junk happened")
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testActive(t, p)
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}
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func testActive(t *testing.T, p *Plugin) {
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done := make(chan struct{})
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go func() {
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p.waitActive()
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close(done)
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}()
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select {
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case <-time.After(100 * time.Millisecond):
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_, f, l, _ := runtime.Caller(1)
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t.Fatalf("%s:%d: deadlock in waitActive", filepath.Base(f), l)
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case <-done:
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}
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}
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func TestGet(t *testing.T) {
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p := &Plugin{name: fruitPlugin, activateWait: sync.NewCond(&sync.Mutex{})}
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p.Manifest = &Manifest{Implements: []string{fruitImplements}}
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storage.plugins[fruitPlugin] = p
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plugin, err := Get(fruitPlugin, fruitImplements)
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if err != nil {
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t.Fatal(err)
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}
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if p.Name() != plugin.Name() {
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t.Fatalf("No matching plugin with name %s found", plugin.Name())
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}
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if plugin.Client() != nil {
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t.Fatal("expected nil Client but found one")
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}
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if !plugin.IsV1() {
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t.Fatal("Expected true for V1 plugin")
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}
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// check negative case where plugin fruit doesn't implement banana
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_, err = Get("fruit", "banana")
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assert.Equal(t, errors.Cause(err), ErrNotImplements)
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// check negative case where plugin vegetable doesn't exist
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_, err = Get("vegetable", "potato")
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assert.Equal(t, errors.Cause(err), ErrNotFound)
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}
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func TestPluginWithNoManifest(t *testing.T) {
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addr := setupRemotePluginServer()
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defer teardownRemotePluginServer()
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m := Manifest{[]string{fruitImplements}}
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var buf bytes.Buffer
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if err := json.NewEncoder(&buf).Encode(m); err != nil {
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t.Fatal(err)
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}
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mux.HandleFunc("/Plugin.Activate", func(w http.ResponseWriter, r *http.Request) {
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if r.Method != "POST" {
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t.Fatalf("Expected POST, got %s\n", r.Method)
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}
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header := w.Header()
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header.Set("Content-Type", transport.VersionMimetype)
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io.Copy(w, &buf)
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})
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p := &Plugin{
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name: fruitPlugin,
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activateWait: sync.NewCond(&sync.Mutex{}),
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Addr: addr,
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TLSConfig: &tlsconfig.Options{InsecureSkipVerify: true},
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}
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storage.plugins[fruitPlugin] = p
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plugin, err := Get(fruitPlugin, fruitImplements)
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if err != nil {
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t.Fatal(err)
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}
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if p.Name() != plugin.Name() {
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t.Fatalf("No matching plugin with name %s found", plugin.Name())
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}
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}
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func TestGetAll(t *testing.T) {
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tmpdir, unregister := Setup(t)
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defer unregister()
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p := filepath.Join(tmpdir, "example.json")
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spec := `{
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"Name": "example",
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"Addr": "https://example.com/docker/plugin"
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}`
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if err := ioutil.WriteFile(p, []byte(spec), 0644); err != nil {
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t.Fatal(err)
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}
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r := newLocalRegistry()
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plugin, err := r.Plugin("example")
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if err != nil {
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t.Fatal(err)
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}
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plugin.Manifest = &Manifest{Implements: []string{"apple"}}
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storage.plugins["example"] = plugin
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fetchedPlugins, err := GetAll("apple")
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if err != nil {
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t.Fatal(err)
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}
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if fetchedPlugins[0].Name() != plugin.Name() {
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t.Fatalf("Expected to get plugin with name %s", plugin.Name())
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}
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}
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