grpc-go/xds/internal/resolver/serviceconfig_test.go

46 lines
1.3 KiB
Go

// +build go1.12
/*
*
* Copyright 2020 gRPC authors.
*
* 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
*
* http://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 resolver
import (
"testing"
"github.com/google/go-cmp/cmp"
_ "google.golang.org/grpc/xds/internal/balancer/cdsbalancer" // To parse LB config
)
func (s) TestPruneActiveClusters(t *testing.T) {
r := &xdsResolver{activeClusters: map[string]*clusterInfo{
"zero": {refCount: 0},
"one": {refCount: 1},
"two": {refCount: 2},
"anotherzero": {refCount: 0},
}}
want := map[string]*clusterInfo{
"one": {refCount: 1},
"two": {refCount: 2},
}
r.pruneActiveClusters()
if d := cmp.Diff(r.activeClusters, want, cmp.AllowUnexported(clusterInfo{})); d != "" {
t.Fatalf("r.activeClusters = %v; want %v\nDiffs: %v", r.activeClusters, want, d)
}
}