e2e_utils.go

Documentation: google.golang.org/grpc/xds/internal/test/e2e

     1  /*
     2   *
     3   * Copyright 2021 gRPC authors.
     4   *
     5   * Licensed under the Apache License, Version 2.0 (the "License");
     6   * you may not use this file except in compliance with the License.
     7   * You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package e2e
    19  
    20  import (
    21  	"testing"
    22  
    23  	"github.com/google/go-cmp/cmp"
    24  	channelzpb "google.golang.org/grpc/channelz/grpc_channelz_v1"
    25  )
    26  
    27  func verifySubConnStates(t *testing.T, scs []*channelzpb.Subchannel, want map[channelzpb.ChannelConnectivityState_State]int) {
    28  	t.Helper()
    29  	var scStatsCount = map[channelzpb.ChannelConnectivityState_State]int{}
    30  	for _, sc := range scs {
    31  		scStatsCount[sc.Data.State.State]++
    32  	}
    33  	if diff := cmp.Diff(scStatsCount, want); diff != "" {
    34  		t.Fatalf("got unexpected number of subchannels in state Ready, %v, scs: %v", diff, scs)
    35  	}
    36  }
    37
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