mirror of https://github.com/grpc/grpc-go.git
74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
// +build go1.12
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/*
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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 edsbalancer
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import (
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"context"
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"testing"
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"google.golang.org/grpc/balancer"
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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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xdsC := fakeclient.NewClient()
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oldNewXDSClient := newXDSClient
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newXDSClient = func() (xdsClientInterface, error) { return xdsC, nil }
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defer func() { newXDSClient = oldNewXDSClient }()
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builder := balancer.Get(edsName)
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edsB := builder.Build(newNoopTestClientConn(), balancer.BuildOptions{})
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if edsB == nil {
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t.Fatalf("builder.Build(%s) failed and returned nil", edsName)
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}
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defer edsB.Close()
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if err := edsB.UpdateClientConnState(balancer.ClientConnState{
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BalancerConfig: &EDSConfig{
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EDSServiceName: testEDSClusterName,
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LrsLoadReportingServerName: new(string),
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},
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}); err != nil {
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t.Fatal(err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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gotCluster, err := xdsC.WaitForWatchEDS(ctx)
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if err != nil {
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t.Fatalf("xdsClient.WatchEndpoints failed with error: %v", err)
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}
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if gotCluster != testEDSClusterName {
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t.Fatalf("xdsClient.WatchEndpoints() called with cluster: %v, want %v", gotCluster, testEDSClusterName)
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}
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got, err := xdsC.WaitForReportLoad(ctx)
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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 != "" {
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t.Fatalf("xdsClient.ReportLoad called with {%v}: want {\"\"}", got.Server)
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}
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}
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