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peersjson_test.go
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/
peersjson_test.go
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package raft
import (
"io/ioutil"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
)
func TestPeersJSON_BadConfiguration(t *testing.T) {
base, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("err: %v", err)
}
defer os.RemoveAll(base)
peers := filepath.Join(base, "peers.json")
if err := ioutil.WriteFile(peers, []byte("null"), 0666); err != nil {
t.Fatalf("err: %v", err)
}
_, err = ReadPeersJSON(peers)
if err == nil || !strings.Contains(err.Error(), "at least one voter") {
t.Fatalf("err: %v", err)
}
}
func Test_PeersJSON(t *testing.T) {
base, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("err: %v", err)
}
defer os.RemoveAll(base)
content := []byte("[\"127.0.0.1:123\", \"127.0.0.2:123\", \"127.0.0.3:123\"]")
peers := filepath.Join(base, "peers.json")
if err := ioutil.WriteFile(peers, content, 0666); err != nil {
t.Fatalf("err: %v", err)
}
configuration, err := ReadPeersJSON(peers)
if err != nil {
t.Fatalf("err: %v", err)
}
expected := Configuration{
Servers: []Server{
Server{
Suffrage: Voter,
ID: ServerID("127.0.0.1:123"),
Address: ServerAddress("127.0.0.1:123"),
},
Server{
Suffrage: Voter,
ID: ServerID("127.0.0.2:123"),
Address: ServerAddress("127.0.0.2:123"),
},
Server{
Suffrage: Voter,
ID: ServerID("127.0.0.3:123"),
Address: ServerAddress("127.0.0.3:123"),
},
},
}
if !reflect.DeepEqual(configuration, expected) {
t.Fatalf("bad configuration: %+v != %+v", configuration, expected)
}
}