mirror of https://github.com/grpc/grpc-go.git
65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
/*
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*
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* Copyright 2019 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 balancer
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import (
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"testing"
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"google.golang.org/grpc/attributes"
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"google.golang.org/grpc/balancer"
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"google.golang.org/grpc/resolver"
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xdsinternal "google.golang.org/grpc/xds/internal"
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"google.golang.org/grpc/xds/internal/testutils/fakeclient"
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)
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// TestXDSLoadReporting verifies that the edsBalancer starts the loadReport
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// stream when the lbConfig passed to it contains a valid value for the LRS
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// server (empty string).
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func (s) TestXDSLoadReporting(t *testing.T) {
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builder := balancer.Get(edsName)
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cc := newTestClientConn()
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edsB, ok := builder.Build(cc, balancer.BuildOptions{Target: resolver.Target{Endpoint: testEDSClusterName}}).(*edsBalancer)
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if !ok {
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t.Fatalf("builder.Build(%s) returned type {%T}, want {*edsBalancer}", edsName, edsB)
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}
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defer edsB.Close()
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xdsC := fakeclient.NewClient()
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edsB.UpdateClientConnState(balancer.ClientConnState{
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ResolverState: resolver.State{Attributes: attributes.New(xdsinternal.XDSClientID, xdsC)},
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BalancerConfig: &XDSConfig{LrsLoadReportingServerName: new(string)},
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})
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gotCluster, err := xdsC.WaitForWatchEDS()
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if err != nil {
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t.Fatalf("xdsClient.WatchEDS failed with error: %v", err)
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}
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if gotCluster != testEDSClusterName {
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t.Fatalf("xdsClient.WatchEDS() called with cluster: %v, want %v", gotCluster, testEDSClusterName)
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}
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got, err := xdsC.WaitForReportLoad()
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if err != nil {
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t.Fatalf("xdsClient.ReportLoad failed with error: %v", err)
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}
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if got.Server != "" || got.Cluster != testEDSClusterName {
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t.Fatalf("xdsClient.ReportLoad called with {%v, %v}: want {\"\", %v}", got.Server, got.Cluster, testEDSClusterName)
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}
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}
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