feat(multiplayer): lease allocating match claims

server/store/allocation_match_sql_test.go

@@ -0,0 +1,44 @@
+package store
+
+import (
+	"testing"
+	"time"
+
+	"github.com/cosmic-clash/cosmic-clash/server/domain"
+)
+
+func TestAllocationMatchClaimSQLFencesConcurrentWorkers(t *testing.T) {
+	checks := map[string][]string{
+		ClaimAllocatingMatchSQL:       {"FOR UPDATE SKIP LOCKED", "allocation_id = 'allocation-' || candidate.match_id", "allocation_claimed_at <= $1", "ORDER BY created_at, match_id"},
+		AllocatingMatchBuildSQL:       {"match_participants", "queue_tickets", "ORDER BY q.client_build"},
+		BindAllocatedMatchSQL:         {"allocation_id = $2", "server_id IS NULL", "SET server_id = $3", "FROM allocations"},
+		ReleaseAllocatedMatchClaimSQL: {"allocation_id = $2", "allocation_id = NULL", "allocation_claimed_at = NULL"},
+	}
+	for query, fragments := range checks {
+		for _, fragment := range fragments {
+			if !contains(query, fragment) {
+				t.Fatalf("query missing %q", fragment)
+			}
+		}
+	}
+}
+
+func TestAllocationMatchClaimRejectsInvalidArgumentsWithoutDatabase(t *testing.T) {
+	now := time.Unix(1_000, 0)
+	if _, _, err := ClaimAllocatingMatch(nil, nil, "enet", now); err == nil {
+		t.Fatal("nil database accepted")
+	}
+	if _, _, err := ClaimAllocatingMatch(nil, nil, "udp", now); err == nil {
+		t.Fatal("invalid transport accepted")
+	}
+	if _, _, err := ClaimAllocatingMatch(nil, nil, "enet", time.Time{}); err == nil {
+		t.Fatal("zero claim time accepted")
+	}
+	allocated := domain.Allocation{AllocationID: "allocation-match-1", MatchID: "match-1", ServerID: "server-1", State: domain.ServerAllocated}
+	if err := BindAllocatedMatch(nil, nil, allocated); err == nil {
+		t.Fatal("nil database accepted for bind")
+	}
+	if err := ReleaseAllocatedMatchClaim(nil, nil, "match-1", "allocation-match-1"); err == nil {
+		t.Fatal("nil database accepted for release")
+	}
+}