tests(server): initial cargo-mutants

server/.cargo/mutants.toml

@@ -0,0 +1 @@
+test_tool = "nextest"

server/.gitignore

@@ -0,0 +1,2 @@
+mutants.out/
+mutants.out.old/

server/Cargo.lock

@@ -743,6 +743,7 @@ dependencies = [
  "k256",
  "kameo",
  "memsafe",
+ "mutants",
  "pem",
  "postcard",
  "prost",
@@ -3236,6 +3237,12 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d87ecb2933e8aeadb3e3a02b828fed80a7528047e68b4f424523a0981a3a084"
 
+[[package]]
+name = "mutants"
+version = "0.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "add0ac067452ff1aca8c5002111bd6b1c895baee6e45fcbc44e0193aea17be56"
+
 [[package]]
 name = "nom"
 version = "7.1.3"

server/Cargo.toml

@@ -44,3 +44,4 @@ sha2 = "0.10"
 spki = "0.7"
 prost = "0.14.3"
 miette = { version = "7.6.0", features = ["fancy", "serde"] }
+mutants = "0.0.4"

server/crates/arbiter-server/Cargo.toml

@@ -61,6 +61,7 @@ anyhow = "1.0.102"
 postcard = { version = "1.1.3", features = ["use-std"] }
 serde = { version = "1.0.228", features = ["derive"] }
 serde_with = "3.18.0"
+mutants.workspace = true
 
 [dev-dependencies]
 insta = "1.46.3"

server/crates/arbiter-server/src/db/mod.rs

@@ -133,6 +133,7 @@ pub async fn create_pool(url: Option<&str>) -> Result<DatabasePool, DatabaseSetu
     Ok(pool)
 }
 
+#[mutants::skip]
 pub async fn create_test_pool() -> DatabasePool {
     use rand::distr::{Alphanumeric, SampleString as _};
 

server/crates/arbiter-server/src/main.rs

@@ -10,6 +10,7 @@ use tracing::info;
 const PORT: u16 = 50051;
 
 #[tokio::main]
+#[mutants::skip]
 async fn main() -> anyhow::Result<()> {
     aws_lc_rs::default_provider().install_default().unwrap();