test(cli): add chain args test (#1488)

bin/reth/src/args/rpc_server_args.rs

@@ -167,10 +167,9 @@ impl RpcServerArgs {
 
 #[cfg(test)]
 mod tests {
-    use std::net::SocketAddrV4;
-
     use super::*;
     use clap::Parser;
+    use std::net::SocketAddrV4;
 
     /// A helper type to parse Args more easily
     #[derive(Parser)]

bin/reth/src/chain/import.rs

@@ -173,3 +173,17 @@ impl ImportCommand {
         confy::load_path::<Config>(&self.config).wrap_err("Could not load config")
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn parse_common_import_command_chain_args() {
+        for chain in ["mainnet", "sepolia", "goerli"] {
+            let args: ImportCommand =
+                ImportCommand::parse_from(["reth", "--chain", chain, "--path", "."]);
+            assert_eq!(args.chain.chain, chain.parse().unwrap());
+        }
+    }
+}

bin/reth/src/node/mod.rs

@@ -36,7 +36,6 @@ use reth_network::{
 use reth_network_api::NetworkInfo;
 use reth_primitives::{BlockNumber, ChainSpec, Head, H256};
 use reth_provider::{BlockProvider, HeaderProvider, ShareableDatabase};
-
 use reth_staged_sync::{
     utils::{
         chainspec::genesis_value_parser,
@@ -500,3 +499,16 @@ pub async fn handle_events(mut events: impl Stream<Item = NodeEvent> + Unpin) {
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn parse_common_node_command_chain_args() {
+        for chain in ["mainnet", "sepolia", "goerli"] {
+            let args: Command = Command::parse_from(["reth", "--chain", chain]);
+            assert_eq!(args.chain.chain, chain.parse().unwrap());
+        }
+    }
+}

crates/staged-sync/src/utils/chainspec.rs

@@ -29,3 +29,16 @@ pub fn genesis_value_parser(s: &str) -> Result<ChainSpec, eyre::Error> {
         }
     })
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn parse_chain_spec() {
+        for chain in ["mainnet", "sepolia", "goerli"] {
+            chain_spec_value_parser(chain).unwrap();
+            genesis_value_parser(chain).unwrap();
+        }
+    }
+}