small fixes in weapon shop

src/ship/shops/weapon.rs

@@ -1,4 +1,3 @@
-
 use std::collections::HashMap;
 use std::fs::File;
 use std::io::Read;
@@ -130,7 +129,7 @@ fn load_weapon_table(difficulty: Difficulty, section_id: SectionID) -> WeaponTab
 }
 
 fn load_special_table() -> SpecialTable {
-    let mut path = PathBuf::from("data/shops/special.toml");
+    let path = PathBuf::from("data/shops/special.toml");
     let mut f = File::open(path).unwrap();
     let mut s = String::new();
     f.read_to_string(&mut s).unwrap();
@@ -141,7 +140,7 @@ fn load_special_table() -> SpecialTable {
 }
 
 fn load_grind_table() -> GrindTable {
-    let mut path = PathBuf::from("data/shops/grind.toml");
+    let path = PathBuf::from("data/shops/grind.toml");
     let mut f = File::open(path).unwrap();
     let mut s = String::new();
     f.read_to_string(&mut s).unwrap();
@@ -152,7 +151,7 @@ fn load_grind_table() -> GrindTable {
 }
 
 fn load_alt_grind_table() -> GrindTable {
-    let mut path = PathBuf::from("data/shops/alt_grind.toml");
+    let path = PathBuf::from("data/shops/alt_grind.toml");
     let mut f = File::open(path).unwrap();
     let mut s = String::new();
     f.read_to_string(&mut s).unwrap();
@@ -163,7 +162,7 @@ fn load_alt_grind_table() -> GrindTable {
 }
 
 fn load_attribute1_table() -> AttributeTable {
-    let mut path = PathBuf::from("data/shops/attribute1.toml");
+    let path = PathBuf::from("data/shops/attribute1.toml");
     let mut f = File::open(path).unwrap();
     let mut s = String::new();
     f.read_to_string(&mut s).unwrap();
@@ -174,7 +173,7 @@ fn load_attribute1_table() -> AttributeTable {
 }
 
 fn load_attribute2_table() -> AttributeTable {
-    let mut path = PathBuf::from("data/shops/attribute2.toml");
+    let path = PathBuf::from("data/shops/attribute2.toml");
     let mut f = File::open(path).unwrap();
     let mut s = String::new();
     f.read_to_string(&mut s).unwrap();
@@ -207,7 +206,7 @@ impl<R: Rng + SeedableRng> WeaponShop<R> {
             grind: load_grind_table(),
             alt_grind: load_alt_grind_table(),
             attr1: load_attribute1_table(),
-            attr2: load_attribute1_table(),
+            attr2: load_attribute2_table(),
             rng: R::from_entropy(),
         }
     }
@@ -215,7 +214,7 @@ impl<R: Rng + SeedableRng> WeaponShop<R> {
 
     fn generate_type(&mut self, level: usize) -> WeaponType {
         let tier = self.weapon.0.iter()
-            .filter(|t| t.level < level)
+            .filter(|t| t.level <= level)
             .last()
             .unwrap();
 
@@ -225,7 +224,7 @@ impl<R: Rng + SeedableRng> WeaponShop<R> {
 
     fn generate_special(&mut self, level: usize) -> Option<WeaponSpecial> {
         let tier = self.special.0.iter()
-            .filter(|t| t.level < level)
+            .filter(|t| t.level <= level)
             .last()
             .unwrap();
 
@@ -239,7 +238,7 @@ impl<R: Rng + SeedableRng> WeaponShop<R> {
 
     fn generate_grind(&mut self, level: usize) -> usize {
         let tier = self.grind.0.iter()
-            .filter(|t| t.level < level)
+            .filter(|t| t.level <= level)
             .last()
             .unwrap();
 
@@ -248,7 +247,7 @@ impl<R: Rng + SeedableRng> WeaponShop<R> {
 
     fn generate_alt_grind(&mut self, level: usize) -> usize {
         let tier = self.alt_grind.0.iter()
-            .filter(|t| t.level < level)
+            .filter(|t| t.level <= level)
             .nth(0)
             .unwrap();
 
@@ -257,7 +256,7 @@ impl<R: Rng + SeedableRng> WeaponShop<R> {
 
     fn generate_attribute1(&mut self, level: usize) -> Option<WeaponAttribute> {
         let tier = self.attr1.0.iter()
-            .filter(|t| t.level < level)
+            .filter(|t| t.level <= level)
             .last()
             .unwrap();
 
@@ -284,7 +283,7 @@ impl<R: Rng + SeedableRng> WeaponShop<R> {
 
     fn generate_attribute2(&mut self, level: usize) -> Option<WeaponAttribute> {
         let tier = self.attr2.0.iter()
-            .filter(|t| t.level < level)
+            .filter(|t| t.level <= level)
             .last()
             .unwrap();
 
@@ -399,7 +398,7 @@ mod test {
     use super::*;
 
     #[test]
-    fn test_loading_weapons() {
+    fn test_loading_weapon_shop() {
         WeaponShop::<rand_chacha::ChaCha20Rng>::new(Difficulty::Ultimate, SectionID::Pinkal);
     }
 }