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package game
// Owner-boundary concurrency regressions. These exercise the competing
// runtime entry points the way production does (connection input, ticks,
// disconnects, admin mutations, owner-routed wallet operations) and must
// pass under -race with the single-owner design in place.
import (
"sync"
"testing"
"thehouseoficarus/internal/net"
)
// TestBaselineRaceSessionInputTickDisconnect exercises the three competing
// runtime entry points against each other: connection-goroutine input, the
// ticker goroutine, and hub disconnect callbacks.
func TestBaselineRaceSessionInputTickDisconnect(t *testing.T) {
h := newHarness(t)
h.seedAccount("alice")
h.seedAccount("bob")
h.seedCharacter("alice", "alice")
h.seedCharacter("bob", "bob")
aSess, _ := h.connect("alice")
bSess, _ := h.connect("bob")
aLines := h.goInput(aSess)
bLines := h.goInput(bSess)
var wg sync.WaitGroup
wg.Add(2)
go func() {
defer wg.Done()
for i := 0; i < 200; i++ {
aLines <- "look"
}
close(aLines)
}()
go func() {
defer wg.Done()
for i := 0; i < 200; i++ {
bLines <- "say hi"
}
close(bLines)
}()
// Disconnect bob from a third goroutine while everything else runs.
go func() {
for i := 0; i < 50; i++ {
h.hub.PlayersInRoom(1)
if i == 25 {
h.hub.Remove(bSess)
}
}
}()
wg.Wait()
}
// TestBaselineRaceAdminRewriteWhilePlaying hammers Game.RewriteRoomIDs (the
// admin entry point) while players keep moving and ticking.
func TestBaselineRaceAdminRewriteWhilePlaying(t *testing.T) {
h := newHarness(t)
h.seedAccount("carol")
h.seedCharacter("carol", "carol")
sess, _ := h.connect("carol")
lines := h.goInput(sess)
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
for i := 0; i < 200; i++ {
lines <- "go north"
}
close(lines)
}()
// Concurrent admin room-ID rewrites targeting the player's live state.
for i := 0; i < 20; i++ {
h.g.RewriteRoomIDs(map[int]int{2: 2 + i + 1, 2 + i: 2 + i + 1})
}
wg.Wait()
}
// TestBaselineRaceCasinoWallet drives concurrent casino activity through
// the owner boundary (as production does): wallet debits/credits from
// multiple players' session tasks plus session input, all on one owner.
func TestBaselineRaceCasinoWallet(t *testing.T) {
h := newHarness(t)
for _, n := range []string{"dave", "erin", "frank"} {
h.seedAccount(n)
p := h.seedCharacter(n, n)
p.Credits = 100000
}
sessions := make([]*net.Session, 0, 3)
for _, n := range []string{"dave", "erin", "frank"} {
s, _ := h.connect(n)
sessions = append(sessions, s)
}
var wg sync.WaitGroup
for _, s := range sessions {
wallet := casinoWallet{g: h.g, p: s.Player}
wg.Add(1)
go func() {
defer wg.Done()
for i := 0; i < 100; i++ {
h.g.RunOnOwner(func() {
wallet.Wager(1)
wallet.PayCredits(1)
})
}
}()
// Session input competes with the wallet operations.
lines := h.goInput(s)
wg.Add(1)
go func() {
defer wg.Done()
for i := 0; i < 100; i++ {
lines <- "look"
}
close(lines)
}()
}
wg.Wait()
h.barrier()
}
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