chore: make clippy happy

src/controller.rs

@@ -33,13 +33,13 @@ use tokio_tungstenite::tungstenite::Message;
 ///      - Commands will be displayed in the help screen in the order defined here, so
 ///        they should be logically grouped.
 ///  2. Add the new command to `ControllerCommand::details` and populate all
-///    `ControllerCommandDetails`, using other commands as an implementation reference.
-///      - The `regex` is used to identify the command, and optionally to extract a
-///        value (for example see `Hatchrate` and `Users`)
-///      - If additional validation is required beyond the regular expression, add
-///        the necessary logic to `ControllerCommand::validate_value`.
+///     `ControllerCommandDetails`, using other commands as an implementation reference.
+///       - The `regex` is used to identify the command, and optionally to extract a
+///         value (for example see `Hatchrate` and `Users`)
+///       - If additional validation is required beyond the regular expression, add
+///         the necessary logic to `ControllerCommand::validate_value`.
 ///  3. Add any necessary parent process logic for the command to
-///    `GooseAttack::handle_controller_requests` (also in this file).
+///     `GooseAttack::handle_controller_requests` (also in this file).
 ///  4. Add a test for the new command in tests/controller.rs.
 #[derive(Clone, Debug, EnumIter, PartialEq, Eq)]
 pub enum ControllerCommand {
@@ -642,10 +642,8 @@ impl GooseAttack {
                                     AttackPhase::Idle => {
                                         let current_users = if !self.test_plan.steps.is_empty() {
                                             self.test_plan.steps[self.test_plan.current].0
-                                        } else if let Some(users) = self.configuration.users {
-                                            users
                                         } else {
-                                            0
+                                            self.configuration.users.unwrap_or_default()
                                         };
                                         info!(
                                             "changing users from {:?} to {}",
@@ -1410,13 +1408,7 @@ impl Controller<ControllerTelnetMessage> for ControllerState {
         raw_value: ControllerTelnetMessage,
     ) -> Result<String, String> {
         let command_string = match str::from_utf8(&raw_value) {
-            Ok(m) => {
-                if let Some(c) = m.lines().next() {
-                    c
-                } else {
-                    ""
-                }
-            }
+            Ok(m) => m.lines().next().unwrap_or_default(),
             Err(e) => {
                 let error = format!("ignoring unexpected input from telnet controller: {}", e);
                 info!("{}", error);

src/goose.rs

@@ -522,7 +522,7 @@ impl Scenario {
         Scenario {
             name: name.to_string(),
             machine_name: Scenario::get_machine_name(name),
-            scenarios_index: usize::max_value(),
+            scenarios_index: usize::MAX,
             weight: 1,
             transaction_wait: None,
             transactions: Vec::new(),
@@ -961,7 +961,7 @@ impl GooseUser {
             metrics_channel: None,
             shutdown_channel: None,
             // A value of max_value() indicates this user isn't fully initialized yet.
-            weighted_users_index: usize::max_value(),
+            weighted_users_index: usize::MAX,
             load_test_hash,
             request_cadence: GooseRequestCadence::new(),
             slept: 0,
@@ -1144,9 +1144,9 @@ impl GooseUser {
     /// of precedence:
     ///  1. `--host` (host specified on the command line when running load test)
     ///  2. [`Scenario`](./struct.Scenario.html)`.host` (default host defined for the
-    /// current scenario)
+    ///     current scenario)
     ///  3. [`GooseDefault::Host`](../config/enum.GooseDefault.html#variant.Host) (default host
-    /// defined for the current load test)
+    ///     defined for the current load test)
     pub fn build_url(&self, path: &str) -> Result<String, Box<TransactionError>> {
         // If URL includes a host, simply use it.
         if let Ok(parsed_path) = Url::parse(path) {
@@ -2177,7 +2177,7 @@ impl GooseUser {
     ///  - A manually built client is specific to a single Goose thread -- if you are
     ///    generating a large load test with many users, each will need to manually build their
     ///    own client (typically you'd do this in a Transaction that is registered with
-    ///   [`Transaction::set_on_start()`] in each Scenario requiring a custom client;
+    ///    [`Transaction::set_on_start()`] in each Scenario requiring a custom client;
     ///  - Manually building a client will completely replace the automatically built client
     ///    with a brand new one, so any configuration, cookies or headers set in the previously
     ///    built client will be gone;
@@ -2811,7 +2811,7 @@ impl Transaction {
     pub fn new(function: TransactionFunction) -> Self {
         trace!("new transaction");
         Transaction {
-            transactions_index: usize::max_value(),
+            transactions_index: usize::MAX,
             name: "".to_string(),
             weight: 1,
             sequence: 0,