mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-10-22 07:09:52 +00:00
136 lines
2.7 KiB
Go
136 lines
2.7 KiB
Go
// +build go1.9
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/*
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*
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* Copyright 2018 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 dns
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import (
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"errors"
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"fmt"
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"net"
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"testing"
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"golang.org/x/net/context"
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"google.golang.org/grpc/internal/leakcheck"
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"google.golang.org/grpc/resolver"
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)
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func TestCustomAuthority(t *testing.T) {
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defer leakcheck.Check(t)
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tests := []struct {
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authority string
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authorityWant string
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expectError bool
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}{
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{
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"4.3.2.1:" + defaultDNSSvrPort,
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"4.3.2.1:" + defaultDNSSvrPort,
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false,
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},
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{
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"4.3.2.1:123",
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"4.3.2.1:123",
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false,
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},
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{
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"4.3.2.1",
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"4.3.2.1:" + defaultDNSSvrPort,
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false,
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},
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{
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"::1",
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"[::1]:" + defaultDNSSvrPort,
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false,
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},
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{
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"[::1]",
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"[::1]:" + defaultDNSSvrPort,
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false,
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},
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{
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"[::1]:123",
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"[::1]:123",
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false,
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},
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{
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"dnsserver.com",
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"dnsserver.com:" + defaultDNSSvrPort,
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false,
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},
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{
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":123",
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"localhost:123",
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false,
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},
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{
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":",
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"",
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true,
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},
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{
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"[::1]:",
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"",
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true,
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},
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{
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"dnsserver.com:",
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"",
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true,
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},
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}
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oldCustomAuthorityDialler := customAuthorityDialler
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defer func() {
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customAuthorityDialler = oldCustomAuthorityDialler
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}()
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for _, a := range tests {
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errChan := make(chan error, 1)
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customAuthorityDialler = func(authority string) func(ctx context.Context, network, address string) (net.Conn, error) {
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if authority != a.authorityWant {
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errChan <- fmt.Errorf("wrong custom authority passed to resolver. input: %s expected: %s actual: %s", a.authority, a.authorityWant, authority)
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} else {
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errChan <- nil
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}
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return func(ctx context.Context, network, address string) (net.Conn, error) {
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return nil, errors.New("no need to dial")
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}
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}
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b := NewBuilder()
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cc := &testClientConn{target: "foo.bar.com"}
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r, err := b.Build(resolver.Target{Endpoint: "foo.bar.com", Authority: a.authority}, cc, resolver.BuildOption{})
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if err == nil {
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r.Close()
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err = <-errChan
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if err != nil {
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t.Errorf(err.Error())
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}
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if a.expectError {
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t.Errorf("custom authority should have caused an error: %s", a.authority)
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}
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} else if !a.expectError {
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t.Errorf("unexpected error using custom authority %s: %s", a.authority, err)
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}
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}
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}
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