From 46202ee2e398ffd49febe6684f5c6a8648da600d Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Sun, 1 Nov 2026 17:58:03 +0100
Subject: v4.0.1: introduce Command/View and port roulette to the shared
 boundary

---
 tests/client_core.rs | 130 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 126 insertions(+), 4 deletions(-)

(limited to 'tests')

diff --git a/tests/client_core.rs b/tests/client_core.rs
index b0bba6f..695dcb1 100644
--- a/tests/client_core.rs
+++ b/tests/client_core.rs
@@ -10,7 +10,10 @@ use zagan_bet::client::core::{ClientCore, Effect, InteractiveCommand, Key};
 use zagan_bet::client::games::response::{
     parse_blackjack_response, parse_crash_response, parse_spin_response,
 };
+use zagan_bet::client::games::roulette::{Cursor, Direction};
 use zagan_bet::client::ui::command_names;
+use zagan_bet::client::view::{Command, RoulettePhase, View};
+use zagan_bet::roulette::BetTarget;
 use zagan_bet::crash::CrashState;
 
 const WIN3: &str = "CCCCLLCLODGSDGS";
@@ -36,7 +39,8 @@ impl Screen {
         for effect in effects {
             match effect {
                 Effect::Print(lines) => self.lines.extend(lines.iter().cloned()),
-                Effect::ReplaceRegion(lines) => {
+                Effect::Render(view) => {
+                    let lines = zagan_bet::client::tui::render_view(view);
                     if let Some(start) = self.region_start {
                         self.lines.truncate(start);
                     } else {
@@ -52,14 +56,15 @@ impl Screen {
                     self.region_start = None;
                     self.region_len = 0;
                 }
-                Effect::AnimateRoulette { final_lines, .. } => {
+                Effect::AnimateRoulette { view, .. } => {
+                    let lines = zagan_bet::client::tui::render_view(view);
                     if let Some(start) = self.region_start {
                         self.lines.truncate(start);
                     } else {
                         self.region_start = Some(self.lines.len());
                     }
-                    self.lines.extend(final_lines.iter().cloned());
-                    self.region_len = final_lines.len();
+                    self.lines.extend(lines.iter().cloned());
+                    self.region_len = lines.len();
                 }
                 Effect::SetPrompt { text, cursor_col } => {
                     self.prompt = text.clone();
@@ -1198,3 +1203,120 @@ fn history_rejects_a_bad_count_without_sending() {
         .iter()
         .any(|line| line.contains("Usage: history [1-50]")));
 }
+
+#[test]
+fn the_roulette_view_reflects_the_cursor_and_bets() {
+    let mut h = Harness::new();
+    h.enter_roulette();
+
+    let View::Roulette(view) = h.core.view() else {
+        panic!("expected a roulette view");
+    };
+    assert_eq!(view.cursor, Cursor::Lattice { x: 1, y: 5 });
+    assert_eq!(
+        view.cursor.target(),
+        Some(BetTarget::Straight { number: 1 })
+    );
+    assert!(view.bets.is_empty());
+    assert_eq!(view.chip, 10);
+    assert_eq!(view.phase, RoulettePhase::Placing);
+
+    h.core.command(Command::MoveCursor(Direction::Up));
+    h.core.command(Command::MoveCursor(Direction::Up));
+    let effects = h.core.command(Command::PlaceBet);
+    h.apply(effects);
+
+    let View::Roulette(view) = h.core.view() else {
+        panic!("expected a roulette view");
+    };
+    assert_eq!(
+        view.cursor.target(),
+        Some(BetTarget::Straight { number: 2 })
+    );
+    assert_eq!(view.bets.total(), 10);
+    assert_eq!(
+        view.bets.amount_on(&BetTarget::Straight { number: 2 }),
+        10
+    );
+}
+
+#[test]
+fn clicking_a_bet_target_does_not_move_the_cursor() {
+    let mut h = Harness::new();
+    h.enter_roulette();
+
+    let effects = h.core.command(Command::PlaceBetAt(BetTarget::Split { a: 1, b: 4 }));
+    h.apply(effects);
+
+    let View::Roulette(view) = h.core.view() else {
+        panic!("expected a roulette view");
+    };
+    assert_eq!(view.bets.amount_on(&BetTarget::Split { a: 1, b: 4 }), 10);
+    assert_eq!(
+        view.cursor.target(),
+        Some(BetTarget::Straight { number: 1 }),
+        "a click places a chip without dragging the keyboard cursor"
+    );
+}
+
+#[test]
+fn the_roulette_view_reports_the_result() {
+    let mut h = Harness::new();
+    h.enter_roulette();
+    h.core.command(Command::PlaceBet);
+
+    h.key(Key::Char(' '));
+    let bets = r#"{"chips":[{"target":{"bet":"straight","number":1},"amount":10}]}"#;
+    h.reply(&format!("ROULETTE_RESULT s1 360 10 1350 1 red {bets}"));
+
+    let View::Roulette(view) = h.core.view() else {
+        panic!("expected a roulette view");
+    };
+    assert_eq!(view.phase, RoulettePhase::Result);
+    assert_eq!(view.number, Some(1));
+    assert_eq!(view.color.as_deref(), Some("red"));
+    assert_eq!(view.winnings, Some(360));
+    assert_eq!(view.balance, Some(1350));
+    assert!(view.error.is_none());
+}
+
+#[test]
+fn the_chip_size_is_a_command() {
+    let mut h = Harness::new();
+    h.enter_roulette();
+
+    h.core.command(Command::AdjustChip(10));
+    let View::Roulette(view) = h.core.view() else {
+        panic!("expected a roulette view");
+    };
+    assert_eq!(view.chip, 20);
+
+    h.core.command(Command::SetChip(5));
+    let View::Roulette(view) = h.core.view() else {
+        panic!("expected a roulette view");
+    };
+    assert_eq!(view.chip, 10, "the chip never goes below 10");
+}
+
+#[test]
+fn unported_games_still_reach_the_frontend_as_text() {
+    let mut h = Harness::new();
+    h.enter_slots("10");
+
+    match h.core.view() {
+        View::Text(lines) => assert_eq!(lines.len(), 10),
+        other => panic!("expected the text bridge, got {other:?}"),
+    }
+}
+
+#[test]
+fn leaving_through_a_command_clears_the_screen() {
+    let mut h = Harness::new();
+    h.enter_roulette();
+
+    let effects = h.core.command(Command::Leave);
+    h.apply(effects);
+
+    assert!(!h.core.is_in_game());
+    assert!(h.screen.lines.iter().any(|line| line == "Game exited."));
+}
-- 
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