Move model crate stubs into defaults (#2235)

nautilus_core/model/src/accounts/any.rs

@@ -145,13 +145,6 @@ impl From<AccountState> for AccountAny {
     }
 }
 
-impl Default for AccountAny {
-    /// Creates a new default [`AccountAny`] instance.
-    fn default() -> Self {
-        AccountAny::Cash(CashAccount::default())
-    }
-}
-
 impl PartialEq for AccountAny {
     fn eq(&self, other: &Self) -> bool {
         self.id() == other.id()

nautilus_core/model/src/accounts/cash.rs

@@ -26,10 +26,7 @@ use crate::{
     accounts::base::{Account, BaseAccount},
     enums::{AccountType, LiquiditySide, OrderSide},
     events::{AccountState, OrderFilled},
-    identifiers::{
-        stubs::{account_id, uuid4},
-        AccountId,
-    },
+    identifiers::AccountId,
     instruments::InstrumentAny,
     position::Position,
     types::{AccountBalance, Currency, Money, Price, Quantity},
@@ -249,29 +246,6 @@ impl Display for CashAccount {
     }
 }
 
-impl Default for CashAccount {
-    /// Creates a new default [`CashAccount`] instance.
-    fn default() -> Self {
-        // million dollar account
-        let init_event = AccountState::new(
-            account_id(),
-            AccountType::Cash,
-            vec![AccountBalance::new(
-                Money::from("1000000 USD"),
-                Money::from("0 USD"),
-                Money::from("1000000 USD"),
-            )],
-            vec![],
-            true,
-            uuid4(),
-            0.into(),
-            0.into(),
-            Some(Currency::USD()),
-        );
-        Self::new(init_event, false)
-    }
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // Tests
 ////////////////////////////////////////////////////////////////////////////////

nautilus_core/model/src/accounts/stubs.rs

@@ -16,13 +16,45 @@
 use rstest::fixture;
 
 use crate::{
-    accounts::{base::Account, cash::CashAccount, margin::MarginAccount},
-    enums::LiquiditySide,
+    accounts::{base::Account, cash::CashAccount, margin::MarginAccount, AccountAny},
+    enums::{AccountType, LiquiditySide},
     events::account::{state::AccountState, stubs::*},
     instruments::InstrumentAny,
-    types::{Currency, Money, Price, Quantity},
+    types::{AccountBalance, Currency, Money, Price, Quantity},
 };
 
+use crate::identifiers::stubs::{account_id, uuid4};
+
+impl Default for CashAccount {
+    /// Creates a new default [`CashAccount`] instance.
+    fn default() -> Self {
+        // million dollar account
+        let init_event = AccountState::new(
+            account_id(),
+            AccountType::Cash,
+            vec![AccountBalance::new(
+                Money::from("1000000 USD"),
+                Money::from("0 USD"),
+                Money::from("1000000 USD"),
+            )],
+            vec![],
+            true,
+            uuid4(),
+            0.into(),
+            0.into(),
+            Some(Currency::USD()),
+        );
+        Self::new(init_event, false)
+    }
+}
+
+impl Default for AccountAny {
+    /// Creates a new default [`AccountAny`] instance.
+    fn default() -> Self {
+        AccountAny::Cash(CashAccount::default())
+    }
+}
+
 #[fixture]
 pub fn margin_account(margin_account_state: AccountState) -> MarginAccount {
     MarginAccount::new(margin_account_state, true)

nautilus_core/model/src/identifiers/default.rs

@@ -0,0 +1,73 @@
+use crate::identifiers::{
+    AccountId, ClientId, ClientOrderId, PositionId, StrategyId, Symbol, TradeId, TraderId, Venue,
+    VenueOrderId,
+};
+
+impl Default for AccountId {
+    /// Creates a new default [`AccountId`] instance for testing.
+    fn default() -> Self {
+        Self::from("SIM-001")
+    }
+}
+
+impl Default for ClientId {
+    /// Creates a new default [`ClientId`] instance for testing.
+    fn default() -> Self {
+        Self::from("SIM")
+    }
+}
+
+impl Default for ClientOrderId {
+    /// Creates a new default [`ClientOrderId`] instance for testing.
+    fn default() -> Self {
+        Self::from("O-19700101-000000-001-001-1")
+    }
+}
+
+impl Default for PositionId {
+    /// Creates a new default [`PositionId`] instance for testing.
+    fn default() -> Self {
+        Self::from("P-001")
+    }
+}
+
+impl Default for StrategyId {
+    /// Creates a new default [`StrategyId`] instance for testing.
+    fn default() -> Self {
+        Self::from("S-001")
+    }
+}
+
+impl Default for TradeId {
+    /// Creates a new default [`TradeId`] instance for testing.
+    fn default() -> Self {
+        Self::from("1")
+    }
+}
+
+impl Default for TraderId {
+    /// Creates a new default [`TraderId`] instance for testing.
+    fn default() -> Self {
+        Self::from("TRADER-001")
+    }
+}
+impl Default for Symbol {
+    /// Creates a new default [`Symbol`] instance for testing.
+    fn default() -> Self {
+        Self::from("AUD/USD")
+    }
+}
+
+impl Default for Venue {
+    /// Creates a new default [`Venue`] instance for testing.
+    fn default() -> Self {
+        Self::from("SIM")
+    }
+}
+
+impl Default for VenueOrderId {
+    /// Creates a new default [`VenueOrderId`] instance for testing.
+    fn default() -> Self {
+        Self::from("001")
+    }
+}

nautilus_core/model/src/identifiers/mod.rs

@@ -24,6 +24,7 @@ pub mod account_id;
 pub mod client_id;
 pub mod client_order_id;
 pub mod component_id;
+pub mod default;
 pub mod exec_algorithm_id;
 pub mod instrument_id;
 pub mod order_list_id;

nautilus_core/model/src/identifiers/stubs.rs

@@ -23,76 +23,6 @@ use crate::identifiers::{
     PositionId, StrategyId, Symbol, TradeId, TraderId, Venue, VenueOrderId,
 };
 
-impl Default for AccountId {
-    /// Creates a new default [`AccountId`] instance for testing.
-    fn default() -> Self {
-        Self::from("SIM-001")
-    }
-}
-
-impl Default for ClientId {
-    /// Creates a new default [`ClientId`] instance for testing.
-    fn default() -> Self {
-        Self::from("SIM")
-    }
-}
-
-impl Default for ClientOrderId {
-    /// Creates a new default [`ClientOrderId`] instance for testing.
-    fn default() -> Self {
-        Self::from("O-19700101-000000-001-001-1")
-    }
-}
-
-impl Default for PositionId {
-    /// Creates a new default [`PositionId`] instance for testing.
-    fn default() -> Self {
-        Self::from("P-001")
-    }
-}
-
-impl Default for StrategyId {
-    /// Creates a new default [`StrategyId`] instance for testing.
-    fn default() -> Self {
-        Self::from("S-001")
-    }
-}
-
-impl Default for Symbol {
-    /// Creates a new default [`Symbol`] instance for testing.
-    fn default() -> Self {
-        Self::from("AUD/USD")
-    }
-}
-
-impl Default for TradeId {
-    /// Creates a new default [`TradeId`] instance for testing.
-    fn default() -> Self {
-        Self::from("1")
-    }
-}
-
-impl Default for TraderId {
-    /// Creates a new default [`TraderId`] instance for testing.
-    fn default() -> Self {
-        Self::from("TRADER-001")
-    }
-}
-
-impl Default for Venue {
-    /// Creates a new default [`Venue`] instance for testing.
-    fn default() -> Self {
-        Self::from("SIM")
-    }
-}
-
-impl Default for VenueOrderId {
-    /// Creates a new default [`VenueOrderId`] instance for testing.
-    fn default() -> Self {
-        Self::from("001")
-    }
-}
-
 // ---- AccountId ----
 
 #[fixture]