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msg_test.go
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msg_test.go
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package scp
import (
"fmt"
"math"
"reflect"
"testing"
)
func TestAcceptsNominated(t *testing.T) {
cases := []struct {
m Topic
wantA, wantVA []int
}{
{
m: &NomTopic{},
},
{
m: &NomTopic{X: ValueSet{valtype(1)}},
wantVA: []int{1},
},
{
m: &NomTopic{Y: ValueSet{valtype(1)}},
wantA: []int{1},
wantVA: []int{1},
},
{
m: &NomTopic{X: ValueSet{valtype(1)}, Y: ValueSet{valtype(2)}},
wantA: []int{2},
wantVA: []int{1, 2},
},
{
m: &NomPrepTopic{
NomTopic: NomTopic{X: ValueSet{valtype(1)}, Y: ValueSet{valtype(2)}},
PrepTopic: PrepTopic{B: Ballot{1, valtype(1)}},
},
wantA: []int{2},
wantVA: []int{1, 2},
},
{
m: &PrepTopic{B: Ballot{1, valtype(1)}},
wantA: []int{},
wantVA: []int{},
},
{
m: &PrepTopic{B: Ballot{1, valtype(1)}, P: Ballot{1, valtype(2)}},
wantA: []int{},
wantVA: []int{},
},
{
m: &PrepTopic{B: Ballot{1, valtype(1)}, P: Ballot{1, valtype(2)}, PP: Ballot{1, valtype(3)}},
wantA: []int{},
wantVA: []int{},
},
{
m: &CommitTopic{B: Ballot{1, valtype(1)}},
wantA: []int{},
wantVA: []int{},
},
{
m: &ExtTopic{C: Ballot{1, valtype(1)}},
wantA: []int{},
wantVA: []int{},
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%02d", i+1), func(t *testing.T) {
e := &Msg{T: tc.m}
got := e.acceptsNominatedSet()
var want ValueSet
for _, val := range tc.wantA {
want = want.Add(valtype(val))
}
if !reflect.DeepEqual(got, want) {
t.Errorf("got acceptsNominatedSet=%v, want %v", got, want)
}
want = nil
for _, val := range tc.wantVA {
want = want.Add(valtype(val))
}
got = e.votesOrAcceptsNominatedSet()
if !reflect.DeepEqual(got, want) {
t.Errorf("got votesOrAcceptsNominatedSet=%v, want %v", got, want)
}
})
}
}
func TestAcceptsPrepared(t *testing.T) {
cases := []struct {
m Topic
wantA, wantVA BallotSet
}{
{
m: &NomTopic{},
},
{
m: &NomTopic{X: ValueSet{valtype(1)}},
},
{
m: &NomTopic{Y: ValueSet{valtype(1)}},
},
{
m: &PrepTopic{B: Ballot{5, valtype(1)}},
wantVA: BallotSet{Ballot{5, valtype(1)}},
},
{
m: &PrepTopic{B: Ballot{5, valtype(1)}, P: Ballot{5, valtype(2)}},
wantA: BallotSet{Ballot{5, valtype(2)}},
wantVA: BallotSet{Ballot{5, valtype(1)}, Ballot{5, valtype(2)}},
},
{
m: &PrepTopic{B: Ballot{5, valtype(1)}, P: Ballot{5, valtype(2)}, PP: Ballot{5, valtype(3)}},
wantA: BallotSet{Ballot{5, valtype(2)}, Ballot{5, valtype(3)}},
wantVA: BallotSet{Ballot{5, valtype(1)}, Ballot{5, valtype(2)}, Ballot{5, valtype(3)}},
},
{
m: &PrepTopic{B: Ballot{5, valtype(1)}, P: Ballot{5, valtype(2)}, PP: Ballot{5, valtype(3)}, HN: 20},
wantA: BallotSet{Ballot{5, valtype(2)}, Ballot{5, valtype(3)}, Ballot{20, valtype(1)}},
wantVA: BallotSet{Ballot{5, valtype(1)}, Ballot{5, valtype(2)}, Ballot{5, valtype(3)}, Ballot{20, valtype(1)}},
},
{
m: &PrepTopic{B: Ballot{5, valtype(1)}, P: Ballot{5, valtype(2)}, PP: Ballot{5, valtype(3)}, CN: 10, HN: 20},
wantA: BallotSet{Ballot{5, valtype(2)}, Ballot{5, valtype(3)}, Ballot{20, valtype(1)}},
wantVA: BallotSet{Ballot{5, valtype(1)}, Ballot{5, valtype(2)}, Ballot{5, valtype(3)}, Ballot{20, valtype(1)}},
},
{
m: &CommitTopic{B: Ballot{20, valtype(1)}, CN: 10, HN: 30, PN: 15},
wantA: BallotSet{Ballot{15, valtype(1)}, Ballot{30, valtype(1)}},
wantVA: BallotSet{Ballot{15, valtype(1)}, Ballot{30, valtype(1)}, Ballot{math.MaxInt32, valtype(1)}},
},
{
m: &ExtTopic{C: Ballot{1, valtype(1)}},
wantA: BallotSet{Ballot{math.MaxInt32, valtype(1)}},
wantVA: BallotSet{Ballot{math.MaxInt32, valtype(1)}},
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%02d", i+1), func(t *testing.T) {
e := &Msg{T: tc.m}
got := e.acceptsPreparedSet()
if !reflect.DeepEqual(got, tc.wantA) {
t.Errorf("got acceptsPreparedSet=%v, want %v", got, tc.wantA)
}
got = e.votesOrAcceptsPreparedSet()
if !reflect.DeepEqual(got, tc.wantVA) {
t.Errorf("got votesOrAcceptsPreparedSet=%v, want %v", got, tc.wantVA)
}
})
}
}
func TestAcceptsCommit(t *testing.T) {
type want struct {
ok bool
min, max int
}
cases := []struct {
m Topic
min, max int
a, va want
}{
{
m: &NomTopic{},
min: 1,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &NomTopic{X: ValueSet{valtype(1)}},
min: 1,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &NomTopic{Y: ValueSet{valtype(1)}},
min: 1,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &PrepTopic{B: Ballot{1, valtype(1)}},
min: 1,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &PrepTopic{B: Ballot{1, valtype(1)}, CN: 3, HN: 7},
min: 1,
max: 10,
a: want{ok: false},
va: want{ok: true, min: 3, max: 7},
},
{
m: &PrepTopic{B: Ballot{1, valtype(1)}, CN: 3, HN: 7},
min: 5,
max: 10,
a: want{ok: false},
va: want{ok: true, min: 5, max: 7},
},
{
m: &PrepTopic{B: Ballot{1, valtype(1)}, CN: 7, HN: 20},
min: 5,
max: 10,
a: want{ok: false},
va: want{ok: true, min: 7, max: 10},
},
{
m: &PrepTopic{B: Ballot{1, valtype(2)}, CN: 3, HN: 7},
min: 1,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &PrepTopic{B: Ballot{1, valtype(2)}, CN: 3, HN: 7},
min: 5,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &PrepTopic{B: Ballot{1, valtype(2)}, CN: 7, HN: 20},
min: 5,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &CommitTopic{B: Ballot{1, valtype(1)}, CN: 15, HN: 20},
min: 1,
max: 10,
a: want{ok: false},
va: want{ok: false},
},
{
m: &CommitTopic{B: Ballot{1, valtype(1)}, CN: 1, HN: 4},
min: 5,
max: 10,
a: want{ok: false},
va: want{ok: true, min: 5, max: 10},
},
{
m: &CommitTopic{B: Ballot{1, valtype(1)}, CN: 1, HN: 7},
min: 5,
max: 10,
a: want{ok: true, min: 5, max: 7},
va: want{ok: true, min: 5, max: 7},
},
{
m: &CommitTopic{B: Ballot{1, valtype(1)}, CN: 4, HN: 12},
min: 5,
max: 10,
a: want{ok: true, min: 5, max: 10},
va: want{ok: true, min: 5, max: 10},
},
{
m: &CommitTopic{B: Ballot{1, valtype(1)}, CN: 7, HN: 12},
min: 5,
max: 10,
a: want{ok: true, min: 7, max: 10},
va: want{ok: true, min: 7, max: 10},
},
{
m: &ExtTopic{C: Ballot{5, valtype(1)}},
min: 1,
max: 10,
a: want{ok: true, min: 5, max: 10},
va: want{ok: true, min: 5, max: 10},
},
{
m: &ExtTopic{C: Ballot{5, valtype(1)}},
min: 1,
max: 4,
a: want{ok: false},
va: want{ok: false},
},
{
m: &ExtTopic{C: Ballot{5, valtype(1)}},
min: 6,
max: 10,
a: want{ok: true, min: 6, max: 10},
va: want{ok: true, min: 6, max: 10},
},
{
m: &ExtTopic{C: Ballot{5, valtype(1)}},
min: 3,
max: 7,
a: want{ok: true, min: 5, max: 7},
va: want{ok: true, min: 5, max: 7},
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%02d", i+1), func(t *testing.T) {
e := &Msg{T: tc.m}
gotOK, gotMin, gotMax := e.acceptsCommit(valtype(1), tc.min, tc.max)
if gotOK != tc.a.ok {
t.Errorf("got acceptsCommit=%v, want %v", gotOK, tc.a.ok)
} else if gotOK && (gotMin != tc.a.min || gotMax != tc.a.max) {
t.Errorf("got min %d, max %d, want min %d, max %d", gotMin, gotMax, tc.a.min, tc.a.max)
}
gotOK, gotMin, gotMax = e.votesOrAcceptsCommit(valtype(1), tc.min, tc.max)
if gotOK != tc.va.ok {
t.Errorf("got votesOrAcceptsCommit=%v, want %v", gotOK, tc.va.ok)
} else if gotOK && (gotMin != tc.va.min || gotMax != tc.va.max) {
t.Errorf("got min %d, max %d, want min %d, max %d", gotMin, gotMax, tc.va.min, tc.va.max)
}
})
}
}