feat: add durable allocator claim boundary

server/store/allocator_sql_test.go

@@ -0,0 +1,32 @@
+package store
+
+import (
+	"testing"
+	"time"
+
+	"github.com/cosmic-clash/cosmic-clash/server/domain"
+)
+
+func TestAllocatorSQLClaimsAndAuditsCompatibleReadyServers(t *testing.T) {
+	for query, fragments := range map[string][]string{
+		RegisterReadyServerSQL: {"game_servers", "ON CONFLICT", "state = 'READY'"},
+		ClaimReadyServerSQL:    {"state = 'READY'", "region = $1", "protocol_version = $3", "FOR UPDATE SKIP LOCKED", "ORDER BY server_id"},
+		InsertAllocationSQL:    {"allocations", "request_digest", "state", "ALLOCATED"},
+	} {
+		for _, fragment := range fragments {
+			if !contains(query, fragment) {
+				t.Fatalf("query missing %q", fragment)
+			}
+		}
+	}
+}
+
+func TestClaimAllocationRejectsInvalidRequestsWithoutDatabase(t *testing.T) {
+	_, err := ClaimAllocation(nil, nil, domain.AllocationRequest{AllocationID: "a", MatchID: "m", Region: "EU", Build: "b", Protocol: 1, Transport: "enet"}, time.Unix(1000, 0))
+	if err == nil {
+		t.Fatal("nil database accepted")
+	}
+	if _, err := ClaimAllocation(nil, nil, domain.AllocationRequest{AllocationID: "a", MatchID: "m", Region: "EU", Build: "b", Protocol: 0, Transport: "enet"}, time.Unix(1000, 0)); err != domain.ErrAllocationInput {
+		t.Fatalf("invalid request err=%v", err)
+	}
+}