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telemetry_test.go
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// Copyright 2019 Google LLC
//
// 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
//
// https://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 ondatra
import (
"golang.org/x/net/context"
"fmt"
"strings"
"testing"
"time"
log "github.com/golang/glog"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"google.golang.org/grpc"
"google.golang.org/protobuf/testing/protocmp"
"github.com/openconfig/ygot/testutil"
"github.com/openconfig/ygot/util"
"github.com/openconfig/ygot/ygot"
"github.com/openconfig/gnmi/errdiff"
"github.com/openconfig/ondatra/internal/fakegnmi"
"github.com/openconfig/ondatra/internal/gnmigen/genutil"
"github.com/openconfig/ondatra/internal/reservation"
"github.com/openconfig/ondatra/negtest"
"github.com/openconfig/ondatra/telemetry"
gpb "github.com/openconfig/gnmi/proto/gnmi"
)
var fakeGNMI = func() *fakegnmi.FakeGNMI {
fg, err := fakegnmi.Start(0)
if err != nil {
log.Fatalf("could not start fake gNMI server: %v", err)
}
return fg
}()
func initTelemetryFakes(t *testing.T) {
t.Helper()
initFakeBinding(t)
reserveFakeTestbed(t)
fakeBind.GNMIDialer = func(ctx context.Context, _ *reservation.DUT, opts ...grpc.DialOption) (gpb.GNMIClient, error) {
return fakeGNMI.Dial(ctx, opts...)
}
}
func gnmiPath(t *testing.T, s string) *gpb.Path {
t.Helper()
p, err := ygot.StringToStructuredPath(s)
if err != nil {
t.Fatal(err)
}
if len(p.GetElem()) == 0 || p.GetElem()[0].GetName() != "meta" {
p.Origin = "openconfig"
}
return p
}
// verifySubscriptionPathsSent verifies the paths of the sent subscription requests is the same as wantPaths.
func verifySubscriptionPathsSent(t *testing.T, wantPaths ...*gpb.Path) {
t.Helper()
requests := fakeGNMI.Requests()
if len(requests) != 1 {
t.Errorf("Number of subscription requests sent is not 1: %v", requests)
return
}
var gotPaths []*gpb.Path
req := requests[0].GetSubscribe()
for _, sub := range req.GetSubscription() {
got, err := util.JoinPaths(req.GetPrefix(), sub.GetPath())
if err != nil {
t.Fatal(err)
}
got.Target = ""
gotPaths = append(gotPaths, got)
}
if diff := cmp.Diff(wantPaths, gotPaths, protocmp.Transform(), cmpopts.SortSlices(testutil.PathLess)); diff != "" {
t.Errorf("subscription paths (-want, +got):\n%s", diff)
}
}
// verifyTelemetryErrSubstr verifies the error components of a given
// ComplianceErrors value given the consitutent error substrings.
func verifyTelemetryErrSubstr(t *testing.T, complianceErrs *genutil.ComplianceErrors, wantPathErrSubstr, wantTypeErrSubstr, wantValidateErrSubstr string) {
var pathErrs, typeErrs []*genutil.TelemetryError
var validateErrs []error
if complianceErrs != nil {
pathErrs = complianceErrs.PathErrors
typeErrs = complianceErrs.TypeErrors
validateErrs = complianceErrs.ValidateErrors
}
if len(pathErrs) > 1 {
t.Fatalf("unmarshal: got more than one path unmarshal error: %v", pathErrs)
}
if len(typeErrs) > 1 {
t.Fatalf("unmarshal: got more than one type unmarshal error: %v", typeErrs)
}
if len(validateErrs) > 1 {
t.Fatalf("unmarshal: got more than one validate error: %v", validateErrs)
}
// Populate errors for validation.
var pathErr, typeErr, validateErr error
if len(pathErrs) == 1 {
pathErr = pathErrs[0].Err
}
if len(typeErrs) == 1 {
typeErr = typeErrs[0].Err
}
if len(validateErrs) == 1 {
validateErr = validateErrs[0]
}
// Validate expected errors
if diff := errdiff.Substring(pathErr, wantPathErrSubstr); diff != "" {
t.Fatalf("unmarshal: did not get expected path Err substring:\n%s", diff)
}
if diff := errdiff.Substring(typeErr, wantTypeErrSubstr); diff != "" {
t.Fatalf("unmarshal: did not get expected type Err substring:\n%s", diff)
}
if diff := errdiff.Substring(validateErr, wantValidateErrSubstr); diff != "" {
t.Fatalf("unmarshal: did not get expected validateErr substring:\n%s", diff)
}
}
func TestMetadata(t *testing.T) {
initTelemetryFakes(t)
dut := DUT(t, "dut")
connPath := gnmiPath(t, "meta/connected")
syncPath := gnmiPath(t, "meta/sync")
leavesAddedPath := gnmiPath(t, "meta/targetLeavesAdded")
type qualifiedType interface {
GetTimestamp() time.Time
GetRecvTimestamp() time.Time
}
testsPass := []struct {
desc string
stub func(s *fakegnmi.Stubber)
getFunc func(t testing.TB) qualifiedType
wantSubscriptionPath *gpb.Path
wantQualified qualifiedType
}{{
desc: "check connected",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: connPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_BoolVal{BoolVal: true}},
}},
Timestamp: 100,
}).
Sync()
},
getFunc: func(t testing.TB) qualifiedType {
return dut.Telemetry().Meta().Connected().GetFull(t)
},
wantSubscriptionPath: connPath,
wantQualified: (&telemetry.QualifiedBool{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: connPath,
}}).SetVal(true),
}, {
desc: "check connected -- unconnected",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: connPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_BoolVal{BoolVal: false}},
}},
Timestamp: 100,
}).
Sync()
},
getFunc: func(t testing.TB) qualifiedType {
return dut.Telemetry().Meta().Connected().GetFull(t)
},
wantSubscriptionPath: connPath,
wantQualified: (&telemetry.QualifiedBool{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: connPath,
}}).SetVal(false),
}, {
desc: "check sync",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: syncPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_BoolVal{BoolVal: true}},
}},
Timestamp: 100,
}).
Sync()
},
getFunc: func(t testing.TB) qualifiedType {
return dut.Telemetry().Meta().Sync().GetFull(t)
},
wantSubscriptionPath: syncPath,
wantQualified: (&telemetry.QualifiedBool{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: syncPath,
}}).SetVal(true),
}, {
desc: "check sync -- unsynced",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: syncPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_BoolVal{BoolVal: false}},
}},
Timestamp: 100,
}).
Sync()
},
getFunc: func(t testing.TB) qualifiedType {
return dut.Telemetry().Meta().Sync().GetFull(t)
},
wantSubscriptionPath: syncPath,
wantQualified: (&telemetry.QualifiedBool{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: syncPath,
}}).SetVal(false),
}, {
desc: "check leaves added",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: leavesAddedPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_IntVal{IntVal: 42}},
}},
Timestamp: 200,
}).
Sync()
},
getFunc: func(t testing.TB) qualifiedType {
return dut.Telemetry().Meta().TargetLeavesAdded().GetFull(t)
},
wantSubscriptionPath: leavesAddedPath,
wantQualified: (&telemetry.QualifiedInt64{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 200),
Present: true,
Path: leavesAddedPath,
}}).SetVal(42),
}, {
desc: "no values for leaves added",
stub: func(s *fakegnmi.Stubber) {
s.Notification(&gpb.Notification{}).Sync()
},
getFunc: func(t testing.TB) qualifiedType {
return dut.Telemetry().Meta().TargetLeavesAdded().GetFull(t)
},
wantSubscriptionPath: leavesAddedPath,
wantQualified: &(telemetry.QualifiedInt64{
QualifiedType: &genutil.QualifiedType{
Present: false,
Path: leavesAddedPath,
}}),
}, {
desc: "no values for leaves added without connected return value",
stub: func(s *fakegnmi.Stubber) {
s.Sync()
},
getFunc: func(t testing.TB) qualifiedType {
return dut.Telemetry().Meta().TargetLeavesAdded().GetFull(t)
},
wantSubscriptionPath: leavesAddedPath,
wantQualified: &(telemetry.QualifiedInt64{
QualifiedType: &genutil.QualifiedType{
Present: false,
Path: leavesAddedPath,
}}),
}}
for _, tt := range testsPass {
t.Run(tt.desc, func(t *testing.T) {
tt.stub(fakeGNMI.Stub())
got := tt.getFunc(t)
verifySubscriptionPathsSent(t, tt.wantSubscriptionPath)
checkJustReceived(t, got.GetRecvTimestamp())
if diff := cmp.Diff(tt.wantQualified, got, cmpopts.IgnoreFields(telemetry.QualifiedBool{}, "RecvTimestamp"), cmpopts.IgnoreFields(telemetry.QualifiedInt64{}, "RecvTimestamp"), cmp.AllowUnexported(telemetry.QualifiedBool{}, telemetry.QualifiedInt64{}), protocmp.Transform()); diff != "" {
t.Errorf("Got status Qualified type different from expected (-want,+got):\n %s", diff)
}
})
}
}
func TestGet(t *testing.T) {
initTelemetryFakes(t)
dut := DUT(t, "dut")
port := dut.Port(t, "port1")
getStrPath := func(iname string) string {
return fmt.Sprintf("interfaces/interface[name=%s]/state/oper-status", iname)
}
genericPortName := port.Name()
resolvedPortName := "Et1/2/3"
resolvedPath := gnmiPath(t, getStrPath(resolvedPortName))
staticPortName := "Ethernet3/1/1"
statusPath := gnmiPath(t, getStrPath(staticPortName))
testsPass := []struct {
desc string
stub func(s *fakegnmi.Stubber)
inPortKey string
wantSubscriptionPath *gpb.Path
wantQualified *telemetry.QualifiedE_Interface_OperStatus
}{{
desc: "one notification",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "UP"}},
}},
Timestamp: 100,
}).
Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: statusPath,
wantQualified: (&telemetry.QualifiedE_Interface_OperStatus{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: statusPath,
}}).SetVal(telemetry.Interface_OperStatus_UP),
}, {
desc: "one notification with interpolation",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: resolvedPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "UP"}},
}},
Timestamp: 100,
}).
Sync()
},
inPortKey: genericPortName,
wantSubscriptionPath: resolvedPath,
wantQualified: (&telemetry.QualifiedE_Interface_OperStatus{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: resolvedPath,
}}).SetVal(telemetry.Interface_OperStatus_UP),
}, {
desc: "one notification with a prefix",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: &gpb.Path{Elem: statusPath.GetElem()[1:]},
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "DOWN"}},
}},
Prefix: &gpb.Path{Origin: statusPath.GetOrigin(), Elem: statusPath.GetElem()[:1]},
Timestamp: 100,
}).
Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: statusPath,
wantQualified: (&telemetry.QualifiedE_Interface_OperStatus{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: statusPath,
}}).SetVal(telemetry.Interface_OperStatus_DOWN),
}, {
desc: "one notification with a prefix with interpolation",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: &gpb.Path{Elem: resolvedPath.GetElem()[1:]},
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "DOWN"}},
}},
Prefix: &gpb.Path{Origin: resolvedPath.GetOrigin(), Elem: resolvedPath.GetElem()[:1]},
Timestamp: 100,
}).
Sync()
},
inPortKey: genericPortName,
wantSubscriptionPath: resolvedPath,
wantQualified: (&telemetry.QualifiedE_Interface_OperStatus{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: resolvedPath,
}}).SetVal(telemetry.Interface_OperStatus_DOWN),
}, {
desc: "multiple notifications with the first one having no update value",
stub: func(s *fakegnmi.Stubber) {
s.Notification(&gpb.Notification{Update: []*gpb.Update{}}).
Notification(&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "UP"}},
}},
Timestamp: 101,
}).
Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: statusPath,
wantQualified: (&telemetry.QualifiedE_Interface_OperStatus{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 101),
Present: true,
Path: statusPath,
}}).SetVal(telemetry.Interface_OperStatus_UP),
}, {
desc: "no values",
stub: func(s *fakegnmi.Stubber) {
s.Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: statusPath,
wantQualified: &(telemetry.QualifiedE_Interface_OperStatus{
QualifiedType: &genutil.QualifiedType{
Present: false,
Path: statusPath,
}}),
}, {
desc: "with connection",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "UP"}},
}},
Timestamp: 102,
}).
Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: statusPath,
wantQualified: (&telemetry.QualifiedE_Interface_OperStatus{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 102),
Present: true,
Path: statusPath,
}}).SetVal(telemetry.Interface_OperStatus_UP),
}}
for _, tt := range testsPass {
t.Run(tt.desc, func(t *testing.T) {
tt.stub(fakeGNMI.Stub())
got := dut.Telemetry().WithReplica(5).WithSubscriptionMode(gpb.SubscriptionMode_ON_CHANGE).Interface(tt.inPortKey).OperStatus().GetFull(t)
verifySubscriptionPathsSent(t, tt.wantSubscriptionPath)
checkJustReceived(t, got.RecvTimestamp)
tt.wantQualified.RecvTimestamp = got.RecvTimestamp
if diff := cmp.Diff(tt.wantQualified, got, cmp.AllowUnexported(telemetry.QualifiedE_Interface_OperStatus{}), protocmp.Transform()); diff != "" {
t.Errorf("Got status Qualified type different from expected (-want,+got):\n %s", diff)
}
// Test Val(t) API.
if tt.wantQualified.Present {
if diff := cmp.Diff(tt.wantQualified.Val(t), got.Val(t)); diff != "" {
t.Errorf("Got status val different from expected (-want,+got):\n %s", diff)
}
}
})
}
testsFail := []struct {
desc string
stub func(s *fakegnmi.Stubber)
wantFatalMsg string
}{{
desc: "multiple values",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "UP"}},
}}}).
Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "DOWN"}},
}}}).
Sync()
},
wantFatalMsg: "2 data points",
}, {
desc: "returned prefix + path is incompatible",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: &gpb.Path{Elem: statusPath.GetElem()[len(statusPath.GetElem())-1:]},
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "UP"}},
}},
// missing first element.
Prefix: &gpb.Path{Elem: statusPath.GetElem()[1 : len(statusPath.GetElem())-1]},
}).
Sync()
},
wantFatalMsg: "query-noncompliant",
}, {
desc: "one invalid notification where Val of Update is nil",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: nil,
}},
Timestamp: 100,
}).
Sync()
},
wantFatalMsg: "invalid nil Val",
}, {
desc: "schema noncompliance: one notification that doesn't unmarshal because type doesn't match",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_BoolVal{BoolVal: true}},
}},
Timestamp: 100,
}).
Sync()
},
wantFatalMsg: "failed to unmarshal",
}}
for _, tt := range testsFail {
t.Run(tt.desc, func(t *testing.T) {
tt.stub(fakeGNMI.Stub())
got := negtest.ExpectFatal(t, func(t testing.TB) {
dut.Telemetry().Interface(staticPortName).OperStatus().GetFull(t)
})
if !strings.Contains(got, tt.wantFatalMsg) {
t.Errorf("GetFull failed with message %q, want %q", got, tt.wantFatalMsg)
}
})
}
}
func TestGetDefault(t *testing.T) {
initTelemetryFakes(t)
dut := DUT(t, "dut")
getStrPath := func(iname string) string {
return fmt.Sprintf("interfaces/interface[name=%s]/state/enabled", iname)
}
getStrConfigPath := func(iname string) string {
return fmt.Sprintf("interfaces/interface[name=%s]/config/enabled", iname)
}
staticPortName := "Ethernet3/1/1"
enabledPath := gnmiPath(t, getStrPath(staticPortName))
enabledConfigPath := gnmiPath(t, getStrConfigPath(staticPortName))
testsPass := []struct {
desc string
stub func(s *fakegnmi.Stubber)
inGetCall func(t testing.TB) *telemetry.QualifiedBool
wantSubscriptionPath *gpb.Path
wantQualified *telemetry.QualifiedBool
}{{
desc: "one notification",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: enabledPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_BoolVal{BoolVal: false}},
}},
Timestamp: 100,
}).
Sync()
},
inGetCall: dut.Telemetry().WithReplica(5).WithSubscriptionMode(gpb.SubscriptionMode_ON_CHANGE).Interface(staticPortName).Enabled().GetFull,
wantSubscriptionPath: enabledPath,
wantQualified: (&telemetry.QualifiedBool{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: enabledPath,
}}).SetVal(false),
}, {
desc: "telemetry path API: zero notifications on a leaf that has a default value",
stub: func(s *fakegnmi.Stubber) {
s.Sync()
},
inGetCall: dut.Telemetry().WithReplica(5).WithSubscriptionMode(gpb.SubscriptionMode_ON_CHANGE).Interface(staticPortName).Enabled().GetFull,
wantSubscriptionPath: enabledPath,
wantQualified: (&telemetry.QualifiedBool{
QualifiedType: &genutil.QualifiedType{
Present: true,
Path: enabledPath,
}}).SetVal(true),
}, {
desc: "config path API: zero notifications on a leaf that has a default value",
stub: func(s *fakegnmi.Stubber) {
s.Sync()
},
inGetCall: dut.Config().WithReplica(5).WithSubscriptionMode(gpb.SubscriptionMode_ON_CHANGE).Interface(staticPortName).Enabled().GetFull,
wantSubscriptionPath: enabledConfigPath,
wantQualified: (&telemetry.QualifiedBool{
QualifiedType: &genutil.QualifiedType{
Present: true,
Path: enabledConfigPath,
}}).SetVal(true),
}}
for _, tt := range testsPass {
t.Run(tt.desc, func(t *testing.T) {
tt.stub(fakeGNMI.Stub())
got := tt.inGetCall(t)
verifySubscriptionPathsSent(t, tt.wantSubscriptionPath)
checkJustReceived(t, got.RecvTimestamp)
tt.wantQualified.RecvTimestamp = got.RecvTimestamp
if diff := cmp.Diff(tt.wantQualified, got, cmp.AllowUnexported(telemetry.QualifiedBool{}), protocmp.Transform()); diff != "" {
t.Errorf("Got status Qualified type different from expected (-want,+got):\n %s", diff)
}
// Test Val(t) API.
if tt.wantQualified.Present {
if diff := cmp.Diff(tt.wantQualified.Val(t), got.Val(t)); diff != "" {
t.Errorf("Got status val different from expected (-want,+got):\n %s", diff)
}
}
})
}
}
func TestGetConfig(t *testing.T) {
initTelemetryFakes(t)
dut := DUT(t, "dut")
port := dut.Port(t, "port1")
getStrPath := func(iname string) string {
return fmt.Sprintf("interfaces/interface[name=%s]/config/description", iname)
}
genericPortName := port.Name()
resolvedPortName := "Et1/2/3"
resolvedPath := gnmiPath(t, getStrPath(resolvedPortName))
staticPortName := "Ethernet3/1/1"
descPath := gnmiPath(t, getStrPath(staticPortName))
testsPass := []struct {
desc string
stub func(s *fakegnmi.Stubber)
inPortKey string
wantSubscriptionPath *gpb.Path
wantQualified *telemetry.QualifiedString
}{{
desc: "one notification",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: descPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "foo"}},
}},
Timestamp: 100,
}).
Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: descPath,
wantQualified: (&telemetry.QualifiedString{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: descPath,
}}).SetVal("foo"),
}, {
desc: "one notification with interpolation",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: resolvedPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "foo"}},
}},
Timestamp: 100,
}).
Sync()
},
inPortKey: genericPortName,
wantSubscriptionPath: resolvedPath,
wantQualified: (&telemetry.QualifiedString{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: resolvedPath,
}}).SetVal("foo"),
}, {
desc: "one notification with a prefix",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: &gpb.Path{Elem: descPath.GetElem()[1:]},
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "bar"}},
}},
Prefix: &gpb.Path{Origin: descPath.GetOrigin(), Elem: descPath.GetElem()[:1]},
Timestamp: 100,
}).
Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: descPath,
wantQualified: (&telemetry.QualifiedString{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: descPath,
}}).SetVal("bar"),
}, {
desc: "one notification with a prefix with interpolation",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: &gpb.Path{Elem: resolvedPath.GetElem()[1:]},
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "bar"}},
}},
Prefix: &gpb.Path{Origin: resolvedPath.GetOrigin(), Elem: resolvedPath.GetElem()[:1]},
Timestamp: 100,
}).
Sync()
},
inPortKey: genericPortName,
wantSubscriptionPath: resolvedPath,
wantQualified: (&telemetry.QualifiedString{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: resolvedPath,
}}).SetVal("bar"),
}, {
desc: "multiple notifications with the first one having no update value",
stub: func(s *fakegnmi.Stubber) {
s.Notification(&gpb.Notification{}).
Notification(&gpb.Notification{
Update: []*gpb.Update{{
Path: descPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "foo"}},
}},
Timestamp: 101,
}).
Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: descPath,
wantQualified: (&telemetry.QualifiedString{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 101),
Present: true,
Path: descPath,
}}).SetVal("foo"),
}, {
desc: "no values",
stub: func(s *fakegnmi.Stubber) {
s.Sync()
},
inPortKey: staticPortName,
wantSubscriptionPath: descPath,
wantQualified: &(telemetry.QualifiedString{
QualifiedType: &genutil.QualifiedType{
Present: false,
Path: descPath,
}}),
}}
for _, tt := range testsPass {
t.Run(tt.desc, func(t *testing.T) {
tt.stub(fakeGNMI.Stub())
got := dut.Config().WithReplica(5).WithSubscriptionMode(gpb.SubscriptionMode_ON_CHANGE).Interface(tt.inPortKey).Description().GetFull(t)
verifySubscriptionPathsSent(t, tt.wantSubscriptionPath)
checkJustReceived(t, got.RecvTimestamp)
tt.wantQualified.RecvTimestamp = got.RecvTimestamp
if diff := cmp.Diff(tt.wantQualified, got, cmp.AllowUnexported(telemetry.QualifiedString{}), protocmp.Transform()); diff != "" {
t.Errorf("Got desc Qualified type different from expected (-want,+got):\n %s", diff)
}
// Test Val(t) API.
if tt.wantQualified.Present {
if diff := cmp.Diff(tt.wantQualified.Val(t), got.Val(t)); diff != "" {
t.Errorf("Got desc val different from expected (-want,+got):\n %s", diff)
}
}
})
}
testsFail := []struct {
desc string
stub func(s *fakegnmi.Stubber)
wantFatalMsg string
}{{
desc: "multiple values",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: descPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "foo"}},
}},
}).
Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: descPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "bar"}},
}},
}).
Sync()
},
wantFatalMsg: "2 data points",
}, {
desc: "returned prefix + path is incompatible",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: &gpb.Path{Elem: descPath.GetElem()[len(descPath.GetElem())-1:]},
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "foo"}},
}},
// missing first element.
Prefix: &gpb.Path{Elem: descPath.GetElem()[1 : len(descPath.GetElem())-1]},
}).
Sync()
},
wantFatalMsg: "query-noncompliant",
}, {
desc: "one invalid notification where Val of Update is nil",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: descPath,
Val: nil,
}},
Timestamp: 100,
}).
Sync()
},
wantFatalMsg: "invalid nil Val",
}, {
desc: "schema noncompliance: one notification that doesn't unmarshal because type doesn't match",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: descPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_BoolVal{BoolVal: true}},
}},
Timestamp: 100,
}).
Sync()
},
wantFatalMsg: "failed to unmarshal",
}}
for _, tt := range testsFail {
t.Run(tt.desc, func(t *testing.T) {
tt.stub(fakeGNMI.Stub())
got := negtest.ExpectFatal(t, func(t testing.TB) {
dut.Config().Interface(staticPortName).Description().GetFull(t)
})
if !strings.Contains(got, tt.wantFatalMsg) {
t.Errorf("GetFull failed with message %q, want %q", got, tt.wantFatalMsg)
}
})
}
}
func TestGetNonleaf(t *testing.T) {
initTelemetryFakes(t)
dut := DUT(t, "dut")
port := dut.Port(t, "port1")
getStrPath := func(iname string) string {
return fmt.Sprintf("interfaces/interface[name=%s]/state/oper-status", iname)
}
getStrName := func(iname string) string {
return fmt.Sprintf("interfaces/interface[name=%s]/state/name", iname)
}
getStrNameConfig := func(iname string) string {
return fmt.Sprintf("interfaces/interface[name=%s]/config/name", iname)
}
// Port paths
genericPortName := port.Name()
resolvedPortName := "Et1/2/3"
resolvedPath := gnmiPath(t, getStrPath(resolvedPortName))
staticPortName := "Ethernet3/1/1"
statusPath := gnmiPath(t, getStrPath(staticPortName))
// Port names
namePath := gnmiPath(t, getStrName(staticPortName))
nameConfigPath := gnmiPath(t, getStrNameConfig(staticPortName))
// Interface list path
staticIntfPath := gnmiPath(t, fmt.Sprintf("interfaces/interface[name=%s]", staticPortName))
resolvedIntfPath := gnmiPath(t, fmt.Sprintf("interfaces/interface[name=%s]", resolvedPortName))
// Paths of some fields under the interface list
resolvedEnabledPath := gnmiPath(t, fmt.Sprintf("interfaces/interface[name=%s]/state/enabled", resolvedPortName))
macAddrPath := gnmiPath(t, fmt.Sprintf("interfaces/interface[name=%s]/ethernet/state/mac-address", staticPortName))
bogusPath := gnmiPath(t, fmt.Sprintf("interfaces/interface[name=%s]/bogus", staticPortName))
testsPass := []struct {
desc string
stub func(s *fakegnmi.Stubber)
inGetCall func(t testing.TB) *telemetry.QualifiedInterface
wantSubscriptionPath *gpb.Path
wantQualified *telemetry.QualifiedInterface
}{{
desc: "one notification",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: statusPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "UP"}},
}},
Timestamp: 100,
}).
Sync()
},
inGetCall: dut.Telemetry().Interface(staticPortName).GetFull,
wantSubscriptionPath: staticIntfPath,
wantQualified: (&telemetry.QualifiedInterface{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: staticIntfPath,
}}).SetVal(&telemetry.Interface{
OperStatus: telemetry.Interface_OperStatus_UP,
}),
}, {
desc: "one notification with shadow path value, which is ignored",
stub: func(s *fakegnmi.Stubber) {
s.Notification(
&gpb.Notification{
Update: []*gpb.Update{{
Path: namePath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: staticPortName}},
}, {
Path: nameConfigPath,
Val: &gpb.TypedValue{Value: &gpb.TypedValue_StringVal{StringVal: "bogus"}},
}},
Timestamp: 100,
}).
Sync()
},
inGetCall: dut.Telemetry().Interface(staticPortName).GetFull,
wantSubscriptionPath: staticIntfPath,
wantQualified: (&telemetry.QualifiedInterface{
QualifiedType: &genutil.QualifiedType{
Timestamp: time.Unix(0, 100),
Present: true,
Path: staticIntfPath,