mirror of https://github.com/grpc/grpc-go.git
235 lines
7.2 KiB
Go
235 lines
7.2 KiB
Go
/*
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*
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* Copyright 2022 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package test
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import (
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"context"
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"strings"
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"testing"
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"time"
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"google.golang.org/grpc"
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"google.golang.org/grpc/balancer"
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"google.golang.org/grpc/balancer/base"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/connectivity"
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"google.golang.org/grpc/internal/balancer/stub"
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iresolver "google.golang.org/grpc/internal/resolver"
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"google.golang.org/grpc/internal/stubserver"
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testpb "google.golang.org/grpc/interop/grpc_testing"
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"google.golang.org/grpc/resolver"
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"google.golang.org/grpc/resolver/manual"
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"google.golang.org/grpc/status"
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)
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func (s) TestConfigSelectorStatusCodes(t *testing.T) {
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testCases := []struct {
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name string
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csErr error
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want error
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}{{
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name: "legal status code",
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csErr: status.Errorf(codes.Unavailable, "this error is fine"),
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want: status.Errorf(codes.Unavailable, "this error is fine"),
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}, {
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name: "illegal status code",
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csErr: status.Errorf(codes.NotFound, "this error is bad"),
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want: status.Errorf(codes.Internal, "this error is bad"),
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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ss := &stubserver.StubServer{
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EmptyCallF: func(context.Context, *testpb.Empty) (*testpb.Empty, error) {
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return &testpb.Empty{}, nil
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},
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}
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ss.R = manual.NewBuilderWithScheme("confSel")
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if err := ss.Start(nil); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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state := iresolver.SetConfigSelector(resolver.State{
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Addresses: []resolver.Address{{Addr: ss.Address}},
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ServiceConfig: parseServiceConfig(t, ss.R, "{}"),
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}, funcConfigSelector{
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f: func(iresolver.RPCInfo) (*iresolver.RPCConfig, error) {
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return nil, tc.csErr
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},
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})
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ss.R.UpdateState(state) // Blocks until config selector is applied
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}); status.Code(err) != status.Code(tc.want) || !strings.Contains(err.Error(), status.Convert(tc.want).Message()) {
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t.Fatalf("client.EmptyCall(_, _) = _, %v; want _, %v", err, tc.want)
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}
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})
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}
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}
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func (s) TestPickerStatusCodes(t *testing.T) {
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testCases := []struct {
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name string
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pickerErr error
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want error
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}{{
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name: "legal status code",
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pickerErr: status.Errorf(codes.Unavailable, "this error is fine"),
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want: status.Errorf(codes.Unavailable, "this error is fine"),
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}, {
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name: "illegal status code",
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pickerErr: status.Errorf(codes.NotFound, "this error is bad"),
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want: status.Errorf(codes.Internal, "this error is bad"),
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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ss := &stubserver.StubServer{
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EmptyCallF: func(context.Context, *testpb.Empty) (*testpb.Empty, error) {
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return &testpb.Empty{}, nil
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},
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}
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if err := ss.Start(nil); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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// Create a stub balancer that creates a picker that always returns
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// an error.
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sbf := stub.BalancerFuncs{
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UpdateClientConnState: func(d *stub.BalancerData, _ balancer.ClientConnState) error {
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d.ClientConn.UpdateState(balancer.State{
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ConnectivityState: connectivity.TransientFailure,
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Picker: base.NewErrPicker(tc.pickerErr),
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})
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return nil
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},
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}
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stub.Register("testPickerStatusCodesBalancer", sbf)
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ss.NewServiceConfig(`{"loadBalancingConfig": [{"testPickerStatusCodesBalancer":{}}] }`)
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// Make calls until pickerErr is received.
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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var lastErr error
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for ctx.Err() == nil {
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if _, lastErr = ss.Client.EmptyCall(ctx, &testpb.Empty{}); status.Code(lastErr) == status.Code(tc.want) && strings.Contains(lastErr.Error(), status.Convert(tc.want).Message()) {
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// Success!
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return
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}
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time.Sleep(time.Millisecond)
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}
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t.Fatalf("client.EmptyCall(_, _) = _, %v; want _, %v", lastErr, tc.want)
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})
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}
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}
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func (s) TestCallCredsFromDialOptionsStatusCodes(t *testing.T) {
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testCases := []struct {
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name string
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credsErr error
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want error
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}{{
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name: "legal status code",
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credsErr: status.Errorf(codes.Unavailable, "this error is fine"),
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want: status.Errorf(codes.Unavailable, "this error is fine"),
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}, {
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name: "illegal status code",
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credsErr: status.Errorf(codes.NotFound, "this error is bad"),
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want: status.Errorf(codes.Internal, "this error is bad"),
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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ss := &stubserver.StubServer{
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EmptyCallF: func(context.Context, *testpb.Empty) (*testpb.Empty, error) {
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return &testpb.Empty{}, nil
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},
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}
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errChan := make(chan error, 1)
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creds := &testPerRPCCredentials{errChan: errChan}
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if err := ss.Start(nil, grpc.WithPerRPCCredentials(creds)); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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errChan <- tc.credsErr
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}); status.Code(err) != status.Code(tc.want) || !strings.Contains(err.Error(), status.Convert(tc.want).Message()) {
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t.Fatalf("client.EmptyCall(_, _) = _, %v; want _, %v", err, tc.want)
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}
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})
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}
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}
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func (s) TestCallCredsFromCallOptionsStatusCodes(t *testing.T) {
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testCases := []struct {
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name string
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credsErr error
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want error
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}{{
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name: "legal status code",
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credsErr: status.Errorf(codes.Unavailable, "this error is fine"),
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want: status.Errorf(codes.Unavailable, "this error is fine"),
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}, {
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name: "illegal status code",
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credsErr: status.Errorf(codes.NotFound, "this error is bad"),
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want: status.Errorf(codes.Internal, "this error is bad"),
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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ss := &stubserver.StubServer{
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EmptyCallF: func(context.Context, *testpb.Empty) (*testpb.Empty, error) {
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return &testpb.Empty{}, nil
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},
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}
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errChan := make(chan error, 1)
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creds := &testPerRPCCredentials{errChan: errChan}
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if err := ss.Start(nil); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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errChan <- tc.credsErr
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}, grpc.PerRPCCredentials(creds)); status.Code(err) != status.Code(tc.want) || !strings.Contains(err.Error(), status.Convert(tc.want).Message()) {
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t.Fatalf("client.EmptyCall(_, _) = _, %v; want _, %v", err, tc.want)
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}
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})
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}
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}
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