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/*
*
* 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 weightedroundrobin
import (
"testing"
"github.com/google/go-cmp/cmp"
"google.golang.org/grpc/attributes"
"google.golang.org/grpc/resolver"
)
func TestAddrInfoToAndFromAttributes(t *testing.T) {
tests := []struct {
desc string
inputAddrInfo AddrInfo
inputAttributes *attributes.Attributes
wantAddrInfo AddrInfo
}{
{
desc: "empty attributes",
inputAddrInfo: AddrInfo{Weight: 100},
inputAttributes: nil,
wantAddrInfo: AddrInfo{Weight: 100},
},
{
desc: "non-empty attributes",
inputAddrInfo: AddrInfo{Weight: 100},
inputAttributes: attributes.New("foo", "bar"),
wantAddrInfo: AddrInfo{Weight: 100},
},
{
desc: "addrInfo not present in empty attributes",
inputAddrInfo: AddrInfo{},
inputAttributes: nil,
wantAddrInfo: AddrInfo{},
},
{
desc: "addrInfo not present in non-empty attributes",
inputAddrInfo: AddrInfo{},
inputAttributes: attributes.New("foo", "bar"),
wantAddrInfo: AddrInfo{},
},
}
for _, test := range tests {
t.Run(test.desc, func(t *testing.T) {
addr := resolver.Address{Attributes: test.inputAttributes}
addr = SetAddrInfo(addr, test.inputAddrInfo)
gotAddrInfo := GetAddrInfo(addr)
if !cmp.Equal(gotAddrInfo, test.wantAddrInfo) {
t.Errorf("gotAddrInfo: %v, wantAddrInfo: %v", gotAddrInfo, test.wantAddrInfo)
}
})
}
}
func TestGetAddInfoEmpty(t *testing.T) {
addr := resolver.Address{}
gotAddrInfo := GetAddrInfo(addr)
wantAddrInfo := AddrInfo{}
if !cmp.Equal(gotAddrInfo, wantAddrInfo) {
t.Errorf("gotAddrInfo: %v, wantAddrInfo: %v", gotAddrInfo, wantAddrInfo)
}
}
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