1 files changed, 103 insertions, 0 deletions
diff --git a/internal/casino/roulette_animation_test.go b/internal/casino/roulette_animation_test.go
new file mode 100644
index 0000000..33d0e32
--- /dev/null
+++ b/internal/casino/roulette_animation_test.go
@@ -0,0 +1,103 @@
+package casino
+
+import (
+	"strconv"
+	"testing"
+)
+
+func TestRouletteAnimationTiming(t *testing.T) {
+	for _, multiplayer := range []bool{false, true} {
+		table := rouletteFixture()
+		table.Config.Roulette.SpinTicks = 8
+		table.join("a")
+		if multiplayer {
+			table.join("b")
+		}
+		events := table.bet("a", "red", 10, &testWallet{chips: 100})
+		if multiplayer {
+			table.tick()
+			events = table.tick()
+		}
+		for _, e := range events {
+			if e.Snapshot != nil {
+				t.Fatal("spin announcement contains old wheel")
+			}
+		}
+		var final *RouletteSnapshot
+		for tick := 1; tick <= 8; tick++ {
+			events = table.tick()
+			switch {
+			case tick <= 5:
+				if len(events) != 1 {
+					t.Fatalf("tick %d: missing frame", tick)
+				}
+				s := events[0].Snapshot.(*RouletteSnapshot)
+				if s.SpinFrame != tick || s.BallPosition < -1 || s.BallPosition >= 10 {
+					t.Fatalf("bad frame: %+v", s)
+				}
+				final = s
+			case tick < 8:
+				if len(events) != 0 {
+					t.Fatalf("tick %d: pause interrupted", tick)
+				}
+			default:
+				if len(events) == 0 || events[0].Snapshot.(*RouletteSnapshot).Phase != "result" {
+					t.Fatal("missing result at tick 8")
+				}
+				result := events[0].Snapshot.(*RouletteSnapshot)
+				if final.BallPosition < 0 || final.SpinPockets[final.BallPosition] != result.Pockets[2] {
+					t.Fatal("final ball disagrees with result")
+				}
+			}
+		}
+	}
+}
+
+func TestRouletteSpinFramePockets(t *testing.T) {
+	table := rouletteFixture()
+	for frame := 1; frame <= 4; frame++ {
+		for green := 1; green <= 36; green++ {
+			for _, showBall := range []bool{false, true} {
+				s := table.spinFrame(frame, showBall, 3, green)
+				if (s.BallPosition == 3) != showBall || (!showBall && s.BallPosition != -1) {
+					t.Fatal("ball visibility ignored")
+				}
+				want := "1"
+				if frame%2 == 0 {
+					want = "2"
+				}
+				if s.SpinPockets[0] != want {
+					t.Fatal("starting color did not alternate")
+				}
+				for i, pocket := range s.SpinPockets {
+					if pocket == "0" && (i == 0 || i == 9 || s.SpinPockets[i-1] == s.SpinPockets[i+1]) {
+						t.Fatalf("green not between red and black: %v", s.SpinPockets)
+					}
+				}
+			}
+		}
+	}
+	for _, double := range []bool{false, true} {
+		table.Config.Roulette.DoubleZero = double
+		wheel := rouletteWheel(double)
+		for index, winner := range wheel {
+			table.winningIndex = index
+			s := table.spinFrame(5, false, 0, 0)
+			start, _ := strconv.Atoi(s.SpinPockets[0])
+			if !rouletteRed(start) {
+				t.Fatal("final strip must start red after the black-starting fourth strip")
+			}
+			if s.BallPosition < 1 || s.BallPosition >= 9 || s.SpinPockets[s.BallPosition] != winner {
+				t.Fatalf("missing winning ball for %s", winner)
+			}
+			for i, pocket := range s.SpinPockets {
+				if pocket != wheel[(index+i-s.BallPosition+len(wheel))%len(wheel)] {
+					t.Fatalf("wrong physical neighbors for %s", winner)
+				}
+			}
+			if !double && winner == "26" && s.SpinPockets[s.BallPosition+1] != "0" {
+				t.Fatal("26 must have green to its right")
+			}
+		}
+	}
+}