248 lines
8.2 KiB
Go
248 lines
8.2 KiB
Go
package cisco_telemetry_gnmi
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"testing"
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"time"
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"google.golang.org/grpc/metadata"
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"github.com/influxdata/telegraf/internal"
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"github.com/influxdata/telegraf/testutil"
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"google.golang.org/grpc"
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"github.com/openconfig/gnmi/proto/gnmi"
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"github.com/stretchr/testify/assert"
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)
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func TestParsePath(t *testing.T) {
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path := "/foo/bar/bla[shoo=woo][shoop=/woop/]/z"
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parsed, err := parsePath("theorigin", path, "thetarget")
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assert.Nil(t, err)
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assert.Equal(t, parsed.Origin, "theorigin")
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assert.Equal(t, parsed.Target, "thetarget")
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assert.Equal(t, parsed.Element, []string{"foo", "bar", "bla[shoo=woo][shoop=/woop/]", "z"})
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assert.Equal(t, parsed.Elem, []*gnmi.PathElem{{Name: "foo"}, {Name: "bar"},
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{Name: "bla", Key: map[string]string{"shoo": "woo", "shoop": "/woop/"}}, {Name: "z"}})
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parsed, err = parsePath("", "", "")
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assert.Nil(t, err)
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assert.Equal(t, *parsed, gnmi.Path{})
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parsed, err = parsePath("", "/foo[[", "")
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assert.Nil(t, parsed)
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assert.Equal(t, errors.New("Invalid GNMI path: /foo[[/"), err)
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}
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type mockGNMIServer struct {
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t *testing.T
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acc *testutil.Accumulator
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server *grpc.Server
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scenario int
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}
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func (m *mockGNMIServer) Capabilities(context.Context, *gnmi.CapabilityRequest) (*gnmi.CapabilityResponse, error) {
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return nil, nil
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}
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func (m *mockGNMIServer) Get(context.Context, *gnmi.GetRequest) (*gnmi.GetResponse, error) {
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return nil, nil
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}
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func (m *mockGNMIServer) Set(context.Context, *gnmi.SetRequest) (*gnmi.SetResponse, error) {
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return nil, nil
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}
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func (m *mockGNMIServer) Subscribe(server gnmi.GNMI_SubscribeServer) error {
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// Avoid race conditions
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go func() {
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if m.scenario == 0 {
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m.acc.WaitError(1)
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} else if m.scenario == 1 || m.scenario == 3 {
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m.acc.Wait(4)
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} else if m.scenario == 2 {
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m.acc.Wait(2)
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}
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if m.scenario >= 0 {
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m.server.Stop()
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}
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}()
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metadata, ok := metadata.FromIncomingContext(server.Context())
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assert.Equal(m.t, ok, true)
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assert.Equal(m.t, metadata.Get("username"), []string{"theuser"})
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assert.Equal(m.t, metadata.Get("password"), []string{"thepassword"})
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switch m.scenario {
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case 0:
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return fmt.Errorf("testerror")
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case 1:
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notification := mockGNMINotification()
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server.Send(&gnmi.SubscribeResponse{Response: &gnmi.SubscribeResponse_Update{Update: notification}})
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server.Send(&gnmi.SubscribeResponse{Response: &gnmi.SubscribeResponse_SyncResponse{SyncResponse: true}})
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notification.Prefix.Elem[0].Key["foo"] = "bar2"
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notification.Update[0].Path.Elem[1].Key["name"] = "str2"
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notification.Update[0].Val = &gnmi.TypedValue{Value: &gnmi.TypedValue_JsonVal{JsonVal: []byte{'"', '1', '2', '3', '"'}}}
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server.Send(&gnmi.SubscribeResponse{Response: &gnmi.SubscribeResponse_Update{Update: notification}})
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return nil
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case 2:
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notification := mockGNMINotification()
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server.Send(&gnmi.SubscribeResponse{Response: &gnmi.SubscribeResponse_Update{Update: notification}})
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return nil
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case 3:
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notification := mockGNMINotification()
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notification.Prefix.Elem[0].Key["foo"] = "bar2"
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notification.Update[0].Path.Elem[1].Key["name"] = "str2"
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notification.Update[0].Val = &gnmi.TypedValue{Value: &gnmi.TypedValue_BoolVal{BoolVal: false}}
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server.Send(&gnmi.SubscribeResponse{Response: &gnmi.SubscribeResponse_Update{Update: notification}})
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return nil
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default:
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return fmt.Errorf("test not implemented ;)")
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}
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}
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func TestGNMIError(t *testing.T) {
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listener, _ := net.Listen("tcp", "127.0.0.1:57003")
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server := grpc.NewServer()
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acc := &testutil.Accumulator{}
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gnmi.RegisterGNMIServer(server, &mockGNMIServer{t: t, scenario: 0, server: server, acc: acc})
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c := &CiscoTelemetryGNMI{Addresses: []string{"127.0.0.1:57003"},
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Username: "theuser", Password: "thepassword", Encoding: "proto",
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Redial: internal.Duration{Duration: 1 * time.Second}}
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assert.Nil(t, c.Start(acc))
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server.Serve(listener)
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c.Stop()
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assert.Contains(t, acc.Errors, errors.New("aborted GNMI subscription: rpc error: code = Unknown desc = testerror"))
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}
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func mockGNMINotification() *gnmi.Notification {
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return &gnmi.Notification{
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Timestamp: 1543236572000000000,
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Prefix: &gnmi.Path{
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Origin: "type",
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Elem: []*gnmi.PathElem{
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{
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Name: "model",
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Key: map[string]string{"foo": "bar"},
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},
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},
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Target: "subscription",
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},
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Update: []*gnmi.Update{
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{
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Path: &gnmi.Path{
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Elem: []*gnmi.PathElem{
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{Name: "some"},
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{
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Name: "path",
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Key: map[string]string{"name": "str", "uint64": "1234"}},
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},
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},
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Val: &gnmi.TypedValue{Value: &gnmi.TypedValue_IntVal{IntVal: 5678}},
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},
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{
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Path: &gnmi.Path{
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Elem: []*gnmi.PathElem{
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{Name: "other"},
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{Name: "path"},
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},
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},
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Val: &gnmi.TypedValue{Value: &gnmi.TypedValue_StringVal{StringVal: "foobar"}},
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},
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{
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Path: &gnmi.Path{
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Elem: []*gnmi.PathElem{
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{Name: "other"},
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{Name: "this"},
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},
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},
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Val: &gnmi.TypedValue{Value: &gnmi.TypedValue_StringVal{StringVal: "that"}},
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},
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},
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}
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}
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func TestGNMIMultiple(t *testing.T) {
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listener, _ := net.Listen("tcp", "127.0.0.1:57004")
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server := grpc.NewServer()
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acc := &testutil.Accumulator{}
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gnmi.RegisterGNMIServer(server, &mockGNMIServer{t: t, scenario: 1, server: server, acc: acc})
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c := &CiscoTelemetryGNMI{Addresses: []string{"127.0.0.1:57004"},
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Username: "theuser", Password: "thepassword", Encoding: "proto",
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Redial: internal.Duration{Duration: 1 * time.Second},
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Subscriptions: []Subscription{{Name: "alias", Origin: "type", Path: "/model", SubscriptionMode: "sample"}},
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}
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assert.Nil(t, c.Start(acc))
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server.Serve(listener)
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c.Stop()
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assert.Empty(t, acc.Errors)
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tags := map[string]string{"path": "type:/model", "source": "127.0.0.1", "foo": "bar", "name": "str", "uint64": "1234"}
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fields := map[string]interface{}{"some/path": int64(5678)}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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tags = map[string]string{"path": "type:/model", "source": "127.0.0.1", "foo": "bar"}
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fields = map[string]interface{}{"other/path": "foobar", "other/this": "that"}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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tags = map[string]string{"path": "type:/model", "foo": "bar2", "source": "127.0.0.1", "name": "str2", "uint64": "1234"}
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fields = map[string]interface{}{"some/path": "123"}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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tags = map[string]string{"path": "type:/model", "source": "127.0.0.1", "foo": "bar2"}
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fields = map[string]interface{}{"other/path": "foobar", "other/this": "that"}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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}
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func TestGNMIMultipleRedial(t *testing.T) {
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listener, _ := net.Listen("tcp", "127.0.0.1:57004")
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server := grpc.NewServer()
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acc := &testutil.Accumulator{}
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gnmi.RegisterGNMIServer(server, &mockGNMIServer{t: t, scenario: 2, server: server, acc: acc})
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c := &CiscoTelemetryGNMI{Addresses: []string{"127.0.0.1:57004"},
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Username: "theuser", Password: "thepassword", Encoding: "proto",
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Redial: internal.Duration{Duration: 500 * time.Millisecond},
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Subscriptions: []Subscription{{Name: "alias", Origin: "type", Path: "/model", SubscriptionMode: "sample"}},
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}
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assert.Nil(t, c.Start(acc))
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server.Serve(listener)
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listener, _ = net.Listen("tcp", "127.0.0.1:57004")
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server = grpc.NewServer()
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gnmi.RegisterGNMIServer(server, &mockGNMIServer{t: t, scenario: 3, server: server, acc: acc})
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server.Serve(listener)
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c.Stop()
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assert.Empty(t, acc.Errors)
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tags := map[string]string{"path": "type:/model", "source": "127.0.0.1", "foo": "bar", "name": "str", "uint64": "1234"}
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fields := map[string]interface{}{"some/path": int64(5678)}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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tags = map[string]string{"path": "type:/model", "source": "127.0.0.1", "foo": "bar"}
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fields = map[string]interface{}{"other/path": "foobar", "other/this": "that"}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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tags = map[string]string{"path": "type:/model", "foo": "bar2", "source": "127.0.0.1", "name": "str2", "uint64": "1234"}
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fields = map[string]interface{}{"some/path": false}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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tags = map[string]string{"path": "type:/model", "source": "127.0.0.1", "foo": "bar2"}
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fields = map[string]interface{}{"other/path": "foobar", "other/this": "that"}
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acc.AssertContainsTaggedFields(t, "alias", fields, tags)
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}
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