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|
package main
import (
"bytes"
"encoding/gob"
"io/ioutil"
"log"
"reflect"
"testing"
"github.com/weaveworks/mesh"
)
func TestPeerOnGossip(t *testing.T) {
for _, testcase := range []struct {
initial map[mesh.PeerName]int
msg map[mesh.PeerName]int
want map[mesh.PeerName]int
}{
{
map[mesh.PeerName]int{},
map[mesh.PeerName]int{123: 1, 456: 2},
map[mesh.PeerName]int{123: 1, 456: 2},
},
{
map[mesh.PeerName]int{123: 1},
map[mesh.PeerName]int{123: 0, 456: 2},
map[mesh.PeerName]int{456: 2},
},
{
map[mesh.PeerName]int{123: 9},
map[mesh.PeerName]int{123: 8},
nil,
},
} {
p := newPeer(mesh.PeerName(999), log.New(ioutil.Discard, "", 0))
p.st.mergeComplete(testcase.initial)
var buf bytes.Buffer
if err := gob.NewEncoder(&buf).Encode(testcase.msg); err != nil {
t.Fatal(err)
}
delta, err := p.OnGossip(buf.Bytes())
if err != nil {
t.Errorf("%v OnGossip %v: %v", testcase.initial, testcase.msg, err)
continue
}
if want := testcase.want; want == nil {
if delta != nil {
t.Errorf("%v OnGossip %v: want nil, have non-nil", testcase.initial, testcase.msg)
}
} else {
if have := delta.(*state).set; !reflect.DeepEqual(want, have) {
t.Errorf("%v OnGossip %v: want %v, have %v", testcase.initial, testcase.msg, want, have)
}
}
}
}
func TestPeerOnGossipBroadcast(t *testing.T) {
for _, testcase := range []struct {
initial map[mesh.PeerName]int
msg map[mesh.PeerName]int
want map[mesh.PeerName]int
}{
{
map[mesh.PeerName]int{},
map[mesh.PeerName]int{123: 1, 456: 2},
map[mesh.PeerName]int{123: 1, 456: 2},
},
{
map[mesh.PeerName]int{123: 1},
map[mesh.PeerName]int{123: 0, 456: 2},
map[mesh.PeerName]int{456: 2},
},
{
map[mesh.PeerName]int{123: 9},
map[mesh.PeerName]int{123: 8},
map[mesh.PeerName]int{}, // OnGossipBroadcast returns received, which should never be nil
},
} {
p := newPeer(999, log.New(ioutil.Discard, "", 0))
p.st.mergeComplete(testcase.initial)
var buf bytes.Buffer
if err := gob.NewEncoder(&buf).Encode(testcase.msg); err != nil {
t.Fatal(err)
}
delta, err := p.OnGossipBroadcast(mesh.UnknownPeerName, buf.Bytes())
if err != nil {
t.Errorf("%v OnGossipBroadcast %v: %v", testcase.initial, testcase.msg, err)
continue
}
if want, have := testcase.want, delta.(*state).set; !reflect.DeepEqual(want, have) {
t.Errorf("%v OnGossipBroadcast %v: want %v, have %v", testcase.initial, testcase.msg, want, have)
}
}
}
func TestPeerOnGossipUnicast(t *testing.T) {
for _, testcase := range []struct {
initial map[mesh.PeerName]int
msg map[mesh.PeerName]int
want map[mesh.PeerName]int
}{
{
map[mesh.PeerName]int{},
map[mesh.PeerName]int{123: 1, 456: 2},
map[mesh.PeerName]int{123: 1, 456: 2},
},
{
map[mesh.PeerName]int{123: 1},
map[mesh.PeerName]int{123: 0, 456: 2},
map[mesh.PeerName]int{123: 1, 456: 2},
},
{
map[mesh.PeerName]int{123: 9},
map[mesh.PeerName]int{123: 8},
map[mesh.PeerName]int{123: 9},
},
} {
p := newPeer(999, log.New(ioutil.Discard, "", 0))
p.st.mergeComplete(testcase.initial)
var buf bytes.Buffer
if err := gob.NewEncoder(&buf).Encode(testcase.msg); err != nil {
t.Fatal(err)
}
if err := p.OnGossipUnicast(mesh.UnknownPeerName, buf.Bytes()); err != nil {
t.Errorf("%v OnGossipBroadcast %v: %v", testcase.initial, testcase.msg, err)
continue
}
if want, have := testcase.want, p.st.set; !reflect.DeepEqual(want, have) {
t.Errorf("%v OnGossipBroadcast %v: want %v, have %v", testcase.initial, testcase.msg, want, have)
}
}
}
|
