formatting

9 files changed, 120 insertions, 139 deletions

diff --git a/tests/blackjack.rs b/tests/blackjack.rs
index f90ca8d..36ed7cf 100644
--- a/tests/blackjack.rs
+++ b/tests/blackjack.rs
@@ -16,7 +16,12 @@ fn card_values_and_soft_totals_are_correct() {
     assert_eq!(card_label("AS"), "A♠");
     assert_eq!(card_label("10H"), "10♥");
 
-    let cards = |values: &[&str]| values.iter().map(|card| card.to_string()).collect::<Vec<_>>();
+    let cards = |values: &[&str]| {
+        values
+            .iter()
+            .map(|card| card.to_string())
+            .collect::<Vec<_>>()
+    };
     assert_eq!(hand_total(&cards(&["AS", "10H"])), 21);
     assert_eq!(hand_total(&cards(&["AS", "9H"])), 20);
     assert_eq!(hand_total(&cards(&["AS", "AS", "9H"])), 21);
diff --git a/tests/client_core.rs b/tests/client_core.rs
index e8b5646..176791e 100644
--- a/tests/client_core.rs
+++ b/tests/client_core.rs
@@ -4,6 +4,7 @@
 //! logical `Effect`s that `ClientCore` emits, so assertions are about what a
 //! player would see, not about ANSI sequences.
 
+use std::time::Duration;
 use zagan_bet::blackjack::BlackjackState;
 use zagan_bet::client::core::{ClientCore, Effect, InteractiveCommand, Key};
 use zagan_bet::client::games::response::{
@@ -11,7 +12,6 @@ use zagan_bet::client::games::response::{
 };
 use zagan_bet::client::ui::command_names;
 use zagan_bet::crash::CrashState;
-use std::time::Duration;
 
 const WIN3: &str = "CCCCLLCLODGSDGS";
 const LOSS: &str = "CLOOGDSLCDCOGLS";
@@ -67,10 +67,7 @@ impl Screen {
                 }
                 Effect::SendLine(line) => sent.push(line.clone()),
                 Effect::Interactive(command) => interactive.push(command.clone()),
-                Effect::Quit
-                | Effect::Disconnect
-                | Effect::ListHosts
-                | Effect::ForgetHost(_) => {}
+                Effect::Quit | Effect::Disconnect | Effect::ListHosts | Effect::ForgetHost(_) => {}
             }
         }
     }
@@ -276,7 +273,8 @@ fn a_mega_win_shows_all_winning_lines() {
 
     assert_eq!(h.board().len(), 10);
     assert!(h.board()[7].contains("MEGA WIN! 700 PLN"));
-    assert!(h.board()[8].contains("Winning lines: 1 (top), 2 (middle), 3 (bottom), 4 (V), 5 (inverted V)"));
+    assert!(h.board()[8]
+        .contains("Winning lines: 1 (top), 2 (middle), 3 (bottom), 4 (V), 5 (inverted V)"));
     assert_eq!(h.board()[2].matches("{ C }").count(), 5);
 }
 
@@ -423,10 +421,7 @@ fn help_lists_every_command() {
 
     let transcript = h.screen.lines.join("\n");
     for command in command_names() {
-        assert!(
-            transcript.contains(command),
-            "help is missing '{command}'"
-        );
+        assert!(transcript.contains(command), "help is missing '{command}'");
     }
 }
 
@@ -548,11 +543,7 @@ fn send_prints_the_echo() {
     h.line("send hello");
     h.reply("hello");
 
-    assert!(h
-        .screen
-        .lines
-        .iter()
-        .any(|line| line == "Echo: hello"));
+    assert!(h.screen.lines.iter().any(|line| line == "Echo: hello"));
 }
 
 #[test]
@@ -560,11 +551,7 @@ fn disconnect_clears_connection_state() {
     let mut h = Harness::new();
     h.line("disconnect");
 
-    assert!(h
-        .screen
-        .lines
-        .iter()
-        .any(|line| line == "Disconnected"));
+    assert!(h.screen.lines.iter().any(|line| line == "Disconnected"));
 
     h.line("play slots");
     assert!(h
@@ -636,8 +623,7 @@ fn roulette_split_bets_spin_and_show_the_result() {
         "PLAY_START roulette 30 {\"red\":10,\"black\":0,\"even\":10,\"odd\":0,\"numbers\":[{\"number\":17,\"amount\":10}]}"
     );
 
-    let bets =
-        r#"{"red":10,"black":0,"even":10,"odd":0,"numbers":[{"number":17,"amount":10}]}"#;
+    let bets = r#"{"red":10,"black":0,"even":10,"odd":0,"numbers":[{"number":17,"amount":10}]}"#;
     h.reply(&format!(
         "ROULETTE_RESULT session-1 360 30 1330 17 black {bets}"
     ));
@@ -655,7 +641,10 @@ fn roulette_rejects_an_empty_spin_and_accepts_the_equals_chip_key() {
 
     h.key(Key::Char(' '));
     assert!(h.board()[4].contains("ERROR: Place at least one bet"));
-    assert!(!h.sent.iter().any(|line| line.starts_with("PLAY_START roulette")));
+    assert!(!h
+        .sent
+        .iter()
+        .any(|line| line.starts_with("PLAY_START roulette")));
 
     h.key(Key::Char('='));
     assert!(h.board()[1].contains("Chip: 20 PLN"));
@@ -716,10 +705,7 @@ fn blackjack_deals_hits_and_settles() {
     assert!(h.board()[4].contains("Press [SPACE] to deal."));
 
     h.key(Key::Char(' '));
-    assert!(h
-        .sent
-        .iter()
-        .any(|line| line == "PLAY_START blackjack 10"));
+    assert!(h.sent.iter().any(|line| line == "PLAY_START blackjack 10"));
 
     let player = bj_state(
         "bj1",
@@ -847,10 +833,7 @@ fn blackjack_ready_board_can_change_the_next_bet() {
     assert!(h.board()[1].contains("Bet: 20 PLN"));
 
     h.key(Key::Char(' '));
-    assert!(h
-        .sent
-        .iter()
-        .any(|line| line == "PLAY_START blackjack 20"));
+    assert!(h.sent.iter().any(|line| line == "PLAY_START blackjack 20"));
 }
 
 #[test]
@@ -875,7 +858,13 @@ fn parses_a_blackjack_state() {
     assert!(parse_blackjack_response("ERROR Insufficient balance").is_err());
 }
 
-fn crash_state(phase: &str, multiplier: f64, crash_point: Option<f64>, payout: u64, balance: i64) -> CrashState {
+fn crash_state(
+    phase: &str,
+    multiplier: f64,
+    crash_point: Option<f64>,
+    payout: u64,
+    balance: i64,
+) -> CrashState {
     CrashState {
         session_id: "cr1".to_string(),
         phase: phase.to_string(),
@@ -920,10 +909,7 @@ fn crash_starts_a_round_and_draws_the_multiplier_locally() {
     assert!(h.board()[3].contains("Potential: 20 PLN"));
 
     h.key(Key::Char('c'));
-    assert_eq!(
-        h.sent.last().map(String::as_str),
-        Some("CRASH_CASHOUT cr1")
-    );
+    assert_eq!(h.sent.last().map(String::as_str), Some("CRASH_CASHOUT cr1"));
 
     let cashed = crash_state("cashed", 2.0, Some(3.0), 20, 1010);
     h.reply(&crash_line("CRASH_STATE", &cashed));
@@ -967,10 +953,7 @@ fn crash_q_forfeits_an_active_round() {
     h.reply(&crash_line("CRASH_START", &running));
 
     h.key(Key::Char('q'));
-    assert_eq!(
-        h.sent.last().map(String::as_str),
-        Some("CRASH_FORFEIT cr1")
-    );
+    assert_eq!(h.sent.last().map(String::as_str), Some("CRASH_FORFEIT cr1"));
 
     let forfeited = crash_state("forfeit", 1.2, Some(2.0), 0, 990);
     h.reply(&crash_line("CRASH_STATE", &forfeited));
diff --git a/tests/client_ui.rs b/tests/client_ui.rs
index 7a1b675..44febde 100644
--- a/tests/client_ui.rs
+++ b/tests/client_ui.rs
@@ -1,9 +1,9 @@
+use std::time::Duration;
 use zagan_bet::client::ui::{
-    command_names, completion_lines, display_width, first_contact_lines, format_pong,
-    help_lines, host_lines, input_cursor_column, lines_to_move_up, parse_bet_arg, record_history,
+    command_names, completion_lines, display_width, first_contact_lines, format_pong, help_lines,
+    host_lines, input_cursor_column, lines_to_move_up, parse_bet_arg, record_history,
     visual_line_count,
 };
-use std::time::Duration;
 
 #[test]
 fn help_has_no_source_indentation() {
@@ -27,13 +27,7 @@ fn help_documents_every_command() {
 fn completion_knows_every_command() {
     let commands = command_names();
     for expected in [
-        "connect",
-        "games",
-        "play",
-        "hosts",
-        "send",
-        "logout",
-        "quit",
+        "connect", "games", "play", "hosts", "send", "logout", "quit",
     ] {
         assert!(
             commands.contains(&expected),
@@ -109,19 +103,12 @@ fn display_width_ignores_ansi_sequences() {
 fn visual_line_count_ignores_ansi_sequences() {
     let styled = format!("\x1b[31m{}\x1b[0m", "x".repeat(75));
     assert_eq!(visual_line_count(&[styled], 72), 2);
-    assert_eq!(
-        visual_line_count(&["\x1b[31m18\x1b[0m".to_string()], 80),
-        1
-    );
+    assert_eq!(visual_line_count(&["\x1b[31m18\x1b[0m".to_string()], 80), 1);
 }
 
 #[test]
 fn visual_line_count_accounts_for_terminal_wrapping() {
-    let lines = vec![
-        "12345".to_string(),
-        "123456".to_string(),
-        String::new(),
-    ];
+    let lines = vec!["12345".to_string(), "123456".to_string(), String::new()];
 
     assert_eq!(visual_line_count(&lines, 5), 4); // 1 + 2 + 1
     assert_eq!(visual_line_count(&lines, 6), 3); // 1 + 1 + 1
@@ -146,7 +133,10 @@ fn completions_wrap_within_the_requested_width() {
     let commands = command_names();
     let lines = completion_lines(&commands, 40);
 
-    assert_eq!(lines.first().map(String::as_str), Some("Possible completions:"));
+    assert_eq!(
+        lines.first().map(String::as_str),
+        Some("Possible completions:")
+    );
     for line in &lines[1..] {
         assert!(
             line.len() <= 40,
@@ -208,10 +198,7 @@ fn pong_is_formatted_to_one_decimal() {
 fn host_lines_fit_an_80_column_terminal() {
     let fingerprint = "a4d6f80784154c2cb739a1df61ab3e9038ed731ee2e05c7611457ac741b3834c";
     let lines = host_lines(&[
-        (
-            "127.0.0.1:11525".to_string(),
-            Some(fingerprint.to_string()),
-        ),
+        ("127.0.0.1:11525".to_string(), Some(fingerprint.to_string())),
         ("unknown.example:443".to_string(), None),
     ]);
 
@@ -233,10 +220,7 @@ fn hosts_sharing_a_fingerprint_are_shown_as_one_server() {
     let lines = host_lines(&[
         ("10.0.0.100:11525".to_string(), Some(key.to_string())),
         ("127.0.0.1:11525".to_string(), Some(key.to_string())),
-        (
-            "other.example:11525".to_string(),
-            Some("ff".repeat(32)),
-        ),
+        ("other.example:11525".to_string(), Some("ff".repeat(32))),
     ]);
 
     assert_eq!(
@@ -264,7 +248,10 @@ fn hosts_without_a_fingerprint_are_never_merged() {
     assert!(lines.contains(&"  a.example:443".to_string()));
     assert!(lines.contains(&"  b.example:443".to_string()));
     assert_eq!(
-        lines.iter().filter(|line| line.contains("no fingerprint")).count(),
+        lines
+            .iter()
+            .filter(|line| line.contains("no fingerprint"))
+            .count(),
         2
     );
 }
diff --git a/tests/crash.rs b/tests/crash.rs
index f59c52f..49eaf89 100644
--- a/tests/crash.rs
+++ b/tests/crash.rs
@@ -18,7 +18,11 @@ fn the_multiplier_doubles_every_five_seconds() {
     close(multiplier_at(Duration::ZERO), 1.0, 1e-9);
     close(multiplier_at(Duration::from_secs(5)), 2.0, 1e-9);
     close(multiplier_at(Duration::from_secs(10)), 4.0, 1e-6);
-    close(multiplier_at(Duration::from_millis(2500)), 1.414_213_562, 1e-6);
+    close(
+        multiplier_at(Duration::from_millis(2500)),
+        1.414_213_562,
+        1e-6,
+    );
 
     // Never below 1x, even for nonsense input.
     assert_eq!(multiplier_at_secs(-3.0), 1.0);
diff --git a/tests/protocol.rs b/tests/protocol.rs
index 2962574..bf8a4fd 100644
--- a/tests/protocol.rs
+++ b/tests/protocol.rs
@@ -40,8 +40,14 @@ fn reads_multiple_lines_from_a_reader() {
     let mut buffer = LineBuffer::new();
     let mut reader = Cursor::new(b"one\ntwo\n".to_vec());
 
-    assert_eq!(buffer.read_line(&mut reader).unwrap().as_deref(), Some("one"));
-    assert_eq!(buffer.read_line(&mut reader).unwrap().as_deref(), Some("two"));
+    assert_eq!(
+        buffer.read_line(&mut reader).unwrap().as_deref(),
+        Some("one")
+    );
+    assert_eq!(
+        buffer.read_line(&mut reader).unwrap().as_deref(),
+        Some("two")
+    );
     assert_eq!(buffer.read_line(&mut reader).unwrap(), None);
 }
 
diff --git a/tests/roulette.rs b/tests/roulette.rs
index 6b99d17..932bace 100644
--- a/tests/roulette.rs
+++ b/tests/roulette.rs
@@ -1,6 +1,4 @@
-use zagan_bet::roulette::{
-    color, is_black, is_even, is_odd, is_red, rtp, Bets, NumberBet, WHEEL,
-};
+use zagan_bet::roulette::{color, is_black, is_even, is_odd, is_red, rtp, Bets, NumberBet, WHEEL};
 use zagan_bet::server::games::roulette::RouletteGame;
 use zagan_bet::server::games::traits::Game;
 
@@ -171,14 +169,13 @@ fn rejects_bad_roulette_results() {
     use zagan_bet::client::games::response::parse_roulette_response;
 
     let valid_bets = r#"{"red":10}"#;
-    assert!(parse_roulette_response(&format!(
-        "ROULETTE_RESULT s 1 1 1 37 green {valid_bets}"
-    ))
-    .is_err());
-    assert!(parse_roulette_response(&format!(
-        "ROULETTE_RESULT s 1 1 1 17 purple {valid_bets}"
-    ))
-    .is_err());
+    assert!(
+        parse_roulette_response(&format!("ROULETTE_RESULT s 1 1 1 37 green {valid_bets}")).is_err()
+    );
+    assert!(
+        parse_roulette_response(&format!("ROULETTE_RESULT s 1 1 1 17 purple {valid_bets}"))
+            .is_err()
+    );
     assert!(parse_roulette_response("ROULETTE_RESULT s 1 1 1 17 black nope").is_err());
     assert!(parse_roulette_response("").is_err());
 }
diff --git a/tests/server_core.rs b/tests/server_core.rs
index 0350fb6..6b7b415 100644
--- a/tests/server_core.rs
+++ b/tests/server_core.rs
@@ -4,13 +4,13 @@ use std::sync::Arc;
 use rusqlite::Connection;
 use zagan_bet::blackjack::BlackjackState;
 use zagan_bet::crash::CrashState;
+use zagan_bet::roulette::Bets;
 use zagan_bet::server::core::{ConnectionState, ServerCore};
 use zagan_bet::server::database;
 use zagan_bet::server::games::crash::ManualClock;
 use zagan_bet::server::games::registry::GameRegistry;
 use zagan_bet::server::games::roulette::RouletteGame;
 use zagan_bet::server::games::slots::SlotsGame;
-use zagan_bet::roulette::Bets;
 
 fn setup(name: &str, grid: &str) -> (ServerCore, String) {
     let path = PathBuf::from(env!("CARGO_TARGET_TMPDIR"))
@@ -63,8 +63,7 @@ fn setup_blackjack(name: &str, deck: &[&str]) -> (ServerCore, String) {
 
     let deck = deck.iter().map(|card| card.to_string()).collect();
     (
-        ServerCore::with_registry(conn, GameRegistry::with_defaults(), 4)
-            .with_blackjack_deck(deck),
+        ServerCore::with_registry(conn, GameRegistry::with_defaults(), 4).with_blackjack_deck(deck),
         path,
     )
 }
@@ -216,7 +215,10 @@ fn plays_record_the_game_type_and_game_specific_details() {
     login(&mut core, &mut state, "alice");
 
     let response = core.handle_message(&mut state, "PLAY_START slots 10");
-    assert!(response.starts_with("GAME_RESULT"), "spin failed: {response}");
+    assert!(
+        response.starts_with("GAME_RESULT"),
+        "spin failed: {response}"
+    );
 
     let conn = Connection::open(&path).unwrap();
     let (game_type, details): (String, String) = conn
@@ -242,8 +244,7 @@ fn roulette_settles_split_bets_and_records_details() {
     register(&mut core, &mut state, "alice");
     login(&mut core, &mut state, "alice");
 
-    let bets =
-        r#"{"red":10,"black":10,"even":10,"odd":10,"numbers":[{"number":17,"amount":5}]}"#;
+    let bets = r#"{"red":10,"black":10,"even":10,"odd":10,"numbers":[{"number":17,"amount":5}]}"#;
     let response = core.handle_message(&mut state, &format!("PLAY_START roulette 45 {bets}"));
 
     assert!(
@@ -254,7 +255,10 @@ fn roulette_settles_split_bets_and_records_details() {
         response.contains(" 220 45 1175 17 black "),
         "response: {response}"
     );
-    assert!(response.ends_with(&format!(" {bets}")), "response: {response}");
+    assert!(
+        response.ends_with(&format!(" {bets}")),
+        "response: {response}"
+    );
     assert_eq!(core.balance("alice"), Some(1175));
     assert_eq!(core.play_count("alice"), 1);
     assert_eq!(core.session_count(), 0);
@@ -327,7 +331,10 @@ fn a_winning_spin_updates_the_balance_and_the_audit_row() {
     login(&mut core, &mut state, "alice");
 
     let response = core.handle_message(&mut state, "PLAY_START slots 10");
-    assert!(response.starts_with("GAME_RESULT"), "spin failed: {response}");
+    assert!(
+        response.starts_with("GAME_RESULT"),
+        "spin failed: {response}"
+    );
     assert!(response.contains(" 10 10 1000 "), "response: {response}");
     assert!(response.ends_with(" win 1 0,3,6"), "response: {response}");
 
@@ -364,11 +371,8 @@ fn a_negative_balance_is_rejected_without_wrapping() {
     login(&mut core, &mut state, "alice");
 
     let conn = Connection::open(&path).unwrap();
-    conn.execute(
-        "UPDATE users SET balance = -5 WHERE username = 'alice'",
-        [],
-    )
-    .unwrap();
+    conn.execute("UPDATE users SET balance = -5 WHERE username = 'alice'", [])
+        .unwrap();
 
     assert_eq!(
         core.handle_message(&mut state, "PLAY_START slots 10"),
@@ -394,10 +398,7 @@ fn unknown_games_are_rejected_before_a_session_is_created() {
 
 #[test]
 fn blackjack_reserves_the_bet_and_settles_a_hit_hand() {
-    let (mut core, path) = setup_blackjack(
-        "blackjack-hit",
-        &["10S", "9D", "6H", "8C", "5D"],
-    );
+    let (mut core, path) = setup_blackjack("blackjack-hit", &["10S", "9D", "6H", "8C", "5D"]);
     let mut state = ConnectionState::default();
     register(&mut core, &mut state, "alice");
     login(&mut core, &mut state, "alice");
@@ -442,10 +443,7 @@ fn blackjack_reserves_the_bet_and_settles_a_hit_hand() {
 
 #[test]
 fn blackjack_double_reserves_an_extra_bet() {
-    let (mut core, path) = setup_blackjack(
-        "blackjack-double",
-        &["5S", "9D", "5H", "8C", "10D"],
-    );
+    let (mut core, path) = setup_blackjack("blackjack-double", &["5S", "9D", "5H", "8C", "10D"]);
     let mut state = ConnectionState::default();
     register(&mut core, &mut state, "alice");
     login(&mut core, &mut state, "alice");
@@ -483,8 +481,7 @@ fn blackjack_double_reserves_an_extra_bet() {
 
 #[test]
 fn blackjack_natural_settles_immediately() {
-    let (mut core, _path) =
-        setup_blackjack("blackjack-natural", &["AS", "9D", "KH", "8C"]);
+    let (mut core, _path) = setup_blackjack("blackjack-natural", &["AS", "9D", "KH", "8C"]);
     let mut state = ConnectionState::default();
     register(&mut core, &mut state, "alice");
     login(&mut core, &mut state, "alice");
@@ -501,8 +498,7 @@ fn blackjack_natural_settles_immediately() {
 
 #[test]
 fn blackjack_forfeit_keeps_the_reserved_bet() {
-    let (mut core, _path) =
-        setup_blackjack("blackjack-cancel", &["10S", "9D", "6H", "8C"]);
+    let (mut core, _path) = setup_blackjack("blackjack-cancel", &["10S", "9D", "6H", "8C"]);
     let mut state = ConnectionState::default();
     register(&mut core, &mut state, "alice");
     login(&mut core, &mut state, "alice");
@@ -524,8 +520,7 @@ fn blackjack_forfeit_keeps_the_reserved_bet() {
 
 #[test]
 fn blackjack_disconnect_forfeits_the_reserved_bet() {
-    let (mut core, _path) =
-        setup_blackjack("blackjack-disconnect", &["10S", "9D", "6H", "8C"]);
+    let (mut core, _path) = setup_blackjack("blackjack-disconnect", &["10S", "9D", "6H", "8C"]);
     let mut state = ConnectionState::default();
     register(&mut core, &mut state, "alice");
     login(&mut core, &mut state, "alice");
@@ -578,10 +573,9 @@ fn crash_cashout_pays_the_multiplier_from_the_server_clock() {
 
     // Five seconds of round time: 2.00x, still below the 3.00x crash point.
     clock.advance(5.0);
-    let cashed = crash_state(&core.handle_message(
-        &mut state,
-        &format!("CRASH_CASHOUT {}", started.session_id),
-    ));
+    let cashed = crash_state(
+        &core.handle_message(&mut state, &format!("CRASH_CASHOUT {}", started.session_id)),
+    );
 
     assert_eq!(cashed.phase, "cashed");
     assert_eq!(cashed.multiplier, 2.0);
@@ -600,7 +594,15 @@ fn crash_cashout_pays_the_multiplier_from_the_server_clock() {
             "SELECT game_type, bet_amount, winnings, balance_after, details
              FROM plays WHERE username = 'alice'",
             [],
-            |row| Ok((row.get(0)?, row.get(1)?, row.get(2)?, row.get(3)?, row.get(4)?)),
+            |row| {
+                Ok((
+                    row.get(0)?,
+                    row.get(1)?,
+                    row.get(2)?,
+                    row.get(3)?,
+                    row.get(4)?,
+                ))
+            },
         )
         .unwrap();
     assert_eq!(game_type, "crash");
@@ -627,10 +629,9 @@ fn a_cashout_after_the_crash_time_loses_the_reserved_bet() {
     let started = crash_state(&core.handle_message(&mut state, "PLAY_START crash 10"));
 
     clock.advance(20.0);
-    let late = crash_state(&core.handle_message(
-        &mut state,
-        &format!("CRASH_CASHOUT {}", started.session_id),
-    ));
+    let late = crash_state(
+        &core.handle_message(&mut state, &format!("CRASH_CASHOUT {}", started.session_id)),
+    );
 
     assert_eq!(late.phase, "crashed");
     assert_eq!(late.payout, 0);
@@ -679,10 +680,9 @@ fn crash_forfeit_keeps_the_reserved_bet() {
     login(&mut core, &mut state, "alice");
 
     let started = crash_state(&core.handle_message(&mut state, "PLAY_START crash 10"));
-    let forfeited = crash_state(&core.handle_message(
-        &mut state,
-        &format!("CRASH_FORFEIT {}", started.session_id),
-    ));
+    let forfeited = crash_state(
+        &core.handle_message(&mut state, &format!("CRASH_FORFEIT {}", started.session_id)),
+    );
 
     assert_eq!(forfeited.phase, "forfeit");
     assert_eq!(forfeited.payout, 0);
@@ -747,10 +747,7 @@ fn crash_rounds_are_owned_by_the_player_who_started_them() {
 
     clock.advance(5.0);
     assert_eq!(
-        core.handle_message(
-            &mut bob,
-            &format!("CRASH_CASHOUT {}", started.session_id)
-        ),
+        core.handle_message(&mut bob, &format!("CRASH_CASHOUT {}", started.session_id)),
         "ERROR Invalid session"
     );
     assert_eq!(core.balance("bob"), Some(1000));
@@ -775,10 +772,9 @@ fn a_crash_reservation_is_durable_until_the_round_settles() {
     drop(conn);
 
     clock.advance(5.0);
-    let cashed = crash_state(&core.handle_message(
-        &mut state,
-        &format!("CRASH_CASHOUT {}", started.session_id),
-    ));
+    let cashed = crash_state(
+        &core.handle_message(&mut state, &format!("CRASH_CASHOUT {}", started.session_id)),
+    );
     assert_eq!(cashed.phase, "cashed");
 
     let conn = Connection::open(&path).unwrap();
diff --git a/tests/slots.rs b/tests/slots.rs
index 8bdd9af..7f0b6b5 100644
--- a/tests/slots.rs
+++ b/tests/slots.rs
@@ -1,8 +1,8 @@
 //! Regression tests for the server-side 5x3 slots game.
 
-use zagan_bet::slots::{paytable_lines, LINE_NAMES, SHAPE_MULTIPLIERS, SYMBOL_MULTIPLIERS};
 use zagan_bet::server::games::slots::{LineWin, SlotsGame, PAYLINES, REELS, ROWS};
 use zagan_bet::server::games::traits::{Game, GamePhase};
+use zagan_bet::slots::{paytable_lines, LINE_NAMES, SHAPE_MULTIPLIERS, SYMBOL_MULTIPLIERS};
 
 /// Convert row-major test rows into the column-major wire format.
 fn grid(rows: [&str; 3]) -> String {
@@ -62,7 +62,10 @@ fn four_of_a_kind_pays_more_than_three() {
 fn five_of_a_kind_pays_all_lines() {
     let (winnings, wins) = payout(["SSSSS", "SSSSS", "SSSSS"], 10);
 
-    assert_eq!(winnings, 7000, "five SSSSS lines: 5 * 10 * S(10) * shape5(14)");
+    assert_eq!(
+        winnings, 7000,
+        "five SSSSS lines: 5 * 10 * S(10) * shape5(14)"
+    );
     assert_eq!(lines(&wins), vec![1, 2, 3, 4, 5]);
     assert_eq!(wins[0].cells, vec![0, 3, 6, 9, 12]);
     assert_eq!(wins[3].cells, vec![0, 4, 8, 10, 12]);
diff --git a/tests/tofu.rs b/tests/tofu.rs
index 4f59d6d..b644cc4 100644
--- a/tests/tofu.rs
+++ b/tests/tofu.rs
@@ -74,7 +74,10 @@ fn fingerprint_is_sha256_of_spki() {
     let expected = openssl_spki_sha256(dir.join("primary.pem").to_str().unwrap());
 
     let fp = spki_fingerprint(&der).expect("must parse the test certificate");
-    assert_eq!(fp, expected, "fingerprint must equal openssl's SPKI SHA-256");
+    assert_eq!(
+        fp, expected,
+        "fingerprint must equal openssl's SPKI SHA-256"
+    );
 }
 
 #[test]
@@ -90,10 +93,7 @@ fn first_contact_trusts_and_records() {
 
 #[test]
 fn matching_key_is_trusted() {
-    assert_eq!(
-        decide(Some("ab12cd34"), "ab12cd34"),
-        TrustDecision::Trusted
-    );
+    assert_eq!(decide(Some("ab12cd34"), "ab12cd34"), TrustDecision::Trusted);
 }
 
 #[test]