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package casino
import (
"math/rand"
"reflect"
"testing"
)
func TestRouletteHistoryTracksCompletedSpinsOnly(t *testing.T) {
for _, double := range []bool{false, true} {
table := rouletteFixture()
table.Config.Roulette.DoubleZero = double
table.join("a")
wallet := &testWallet{chips: 1000}
rng := rand.New(rand.NewSource(7))
wheel := rouletteWheel(double)
var expected []string
var first *RouletteSnapshot
for i := 0; i < rouletteHistoryLimit+5; i++ {
table.bet("a", "red", 1, wallet)
before := table.view()
if !reflect.DeepEqual(before.History, expected) {
t.Fatalf("history changed on bet: %v", before.History)
}
// A lone player's spin starts at once; the sample only appears on
// the settling tick, never before.
for j := 0; j < table.Config.Roulette.SpinTicks-1; j++ {
table.tick()
if !reflect.DeepEqual(table.view().History, expected) {
t.Fatal("history revealed before settlement")
}
}
events := table.tick()
result := events[0].Snapshot.(*RouletteSnapshot)
expected = append(expected, wheel[rng.Intn(len(wheel))])
if len(expected) > rouletteHistoryLimit {
expected = expected[1:]
}
if !reflect.DeepEqual(result.History, expected) || result.Pockets[2] != expected[len(expected)-1] {
t.Fatalf("wrong result history: %v, want %v", result.History, expected)
}
if i == 0 {
first = result
}
if !reflect.DeepEqual(table.view().History, expected) {
t.Fatal("round reset lost history")
}
}
if len(first.History) != 1 || first.History[0] != first.Pockets[2] {
t.Fatal("later spins mutated an earlier snapshot")
}
snapshot := table.view()
snapshot.History[0] = "bad"
if !reflect.DeepEqual(table.view().History, expected) {
t.Fatal("snapshot aliases engine history")
}
table.refundAll()
table.tick()
if !reflect.DeepEqual(table.view().History, expected) {
t.Fatal("refund or idle tick changed history")
}
if len(rouletteFixture().view().History) != 0 {
t.Fatal("history leaked to another table")
}
}
}
func TestRouletteCancelledSpinDoesNotEnterHistory(t *testing.T) {
table := rouletteFixture()
table.join("a")
table.join("idle")
table.bet("a", "red", 1, &testWallet{chips: 100})
// With a second seat the wager sits in the timed betting window, so the
// spin can still be cancelled by a disconnect.
table.markDisconnected("a")
table.tick()
table.tick()
if len(table.view().History) != 0 {
t.Fatal("cancelled spin recorded a result")
}
}
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