mirror of
https://github.com/octoleo/restic.git
synced 2024-11-15 17:47:21 +00:00
83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
/*
|
|
Copyright 2016 Google Inc. All Rights Reserved.
|
|
|
|
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 internal
|
|
|
|
import (
|
|
"google.golang.org/grpc/naming"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestConnectionPool(t *testing.T) {
|
|
addr := "127.0.0.1:123"
|
|
ds := DialSettings{Endpoint: addr}
|
|
pr := NewPoolResolver(4, &ds)
|
|
watcher, err := pr.Resolve(addr)
|
|
if err != nil {
|
|
t.Fatalf("Resolve: %v", err)
|
|
}
|
|
|
|
updates, err := watcher.Next()
|
|
if err != nil {
|
|
t.Fatalf("Next: %v", err)
|
|
}
|
|
if len(updates) != 4 {
|
|
t.Fatalf("Update count: %v", err)
|
|
}
|
|
metaSeen := make(map[interface{}]bool)
|
|
for _, u := range updates {
|
|
if u.Addr != addr {
|
|
t.Errorf("Addr from update: wanted %v, got %v", addr, u.Addr)
|
|
}
|
|
// Metadata must be unique
|
|
if metaSeen[u.Metadata] {
|
|
t.Errorf("Wanted %v to be unique, got %v", u.Metadata, metaSeen)
|
|
}
|
|
metaSeen[u.Metadata] = true
|
|
}
|
|
// Test that Next blocks until Close and returns nil.
|
|
nextc := make(chan []*naming.Update)
|
|
closedc := make(chan bool)
|
|
go func() {
|
|
next, err := watcher.Next()
|
|
if err != nil {
|
|
t.Errorf("Next: expected success, got %v", err)
|
|
}
|
|
nextc <- next
|
|
}()
|
|
go func() {
|
|
time.Sleep(50 * time.Millisecond)
|
|
watcher.Close()
|
|
close(closedc)
|
|
}()
|
|
|
|
select {
|
|
case <-nextc:
|
|
t.Fatalf("Next: second invocation didn't block, returned before Close()")
|
|
case <-closedc:
|
|
// OK, watcher was closed before Next() returned.
|
|
}
|
|
select {
|
|
case next := <-nextc:
|
|
if next != nil {
|
|
t.Errorf("Next: expected nil, got %v", next)
|
|
}
|
|
case <-time.After(100 * time.Millisecond):
|
|
t.Error("Next: did not return after 100ms")
|
|
}
|
|
}
|