fix test random

Cargo.toml

@@ -15,9 +15,13 @@ version = "0.4.10"
 [dependencies]
 anyhow = "1"
 bytes = "1"
-clap = {version = "4", features = ["color", "help", "usage", "derive"], optional = true}
+clap = { version = "4", features = [
+    "color",
+    "help",
+    "usage",
+    "derive",
+], optional = true }
 prost = "0.13"
-rand = "0.8.5"
 
 # tzf-rel = { git =  "https://github.com/ringsaturn/tzf-rel", tag = "v0.0.2022-f5"}
 tzf-rel = "0.0.2025-a"
@@ -28,10 +32,10 @@ geometry-rs = "0.2.1"
 [dev-dependencies]
 lazy_static = "1.5.0"
 
-criterion = {version = "0.5", features = ["html_reports"]}
+criterion = { version = "0.5", features = ["html_reports"] }
 
-# cities-json = { git = "https://github.com/ringsaturn/go-cities.json", rev = "38a818ded6dcd1759e4633a36502b693c8b14858" }
-cities-json = "0"
+cities-json = { git = "https://github.com/ringsaturn/go-cities.json" , rev = "0660039" }
+# cities-json = "0"
 
 [features]
 default = ["clap"]
@@ -52,4 +56,4 @@ prost-build = "0.13.4"
 lto = true
 
 [target.'cfg(not(target_env = "msvc"))'.dev-dependencies]
-pprof = {version = "0.14", features = ["flamegraph"]}
+pprof = { version = "0.14", features = ["flamegraph"] }

benches/finders.rs

@@ -1,7 +1,6 @@
-use cities_json::CITIES;
+use cities_json::get_random_cities;
 use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
 use lazy_static::lazy_static;
-use rand::seq::SliceRandom;
 use tzf_rs::{DefaultFinder, Finder};
 
 lazy_static! {
@@ -10,12 +9,12 @@ lazy_static! {
 }
 
 fn bench_default_finder_random_city(_i: usize) {
-    let city = CITIES.choose(&mut rand::thread_rng()).unwrap();
+    let city = get_random_cities();
     let _ = DEFAULT_FINDER.get_tz_name(city.lng, city.lat);
 }
 
 fn bench_finder_random_city(_i: usize) {
-    let city = CITIES.choose(&mut rand::thread_rng()).unwrap();
+    let city = get_random_cities();
     let _ = FINDER.get_tz_name(city.lng, city.lat);
 }