agave-validator: add args tests for set-log-filter

validator/src/commands/set_log_filter/mod.rs

@@ -1,11 +1,26 @@
 use {
-    crate::{admin_rpc_service, cli::DefaultArgs},
+    crate::{admin_rpc_service, cli::DefaultArgs, commands::FromClapArgMatches},
     clap::{value_t_or_exit, App, Arg, ArgMatches, SubCommand},
     std::{path::Path, process::exit},
 };
 
+const COMMAND: &str = "set-log-filter";
+
+#[derive(Debug, PartialEq)]
+pub struct SetLogFilterArg {
+    pub filter: String,
+}
+
+impl FromClapArgMatches for SetLogFilterArg {
+    fn from_clap_arg_match(matches: &ArgMatches) -> Self {
+        SetLogFilterArg {
+            filter: value_t_or_exit!(matches, "filter", String),
+        }
+    }
+}
+
 pub fn command(_default_args: &DefaultArgs) -> App<'_, '_> {
-    SubCommand::with_name("set-log-filter")
+    SubCommand::with_name(COMMAND)
         .about("Adjust the validator log filter")
         .arg(
             Arg::with_name("filter")
@@ -17,12 +32,34 @@ pub fn command(_default_args: &DefaultArgs) -> App<'_, '_> {
 }
 
 pub fn execute(matches: &ArgMatches, ledger_path: &Path) {
-    let filter = value_t_or_exit!(matches, "filter", String);
+    let set_log_filter_arg = SetLogFilterArg::from_clap_arg_match(matches);
+
     let admin_client = admin_rpc_service::connect(ledger_path);
     admin_rpc_service::runtime()
-        .block_on(async move { admin_client.await?.set_log_filter(filter).await })
+        .block_on(async move {
+            admin_client
+                .await?
+                .set_log_filter(set_log_filter_arg.filter)
+                .await
+        })
         .unwrap_or_else(|err| {
             println!("set log filter failed: {err}");
             exit(1);
         });
 }
+
+#[cfg(test)]
+mod tests {
+    use {super::*, crate::commands::tests::verify_args_struct_by_command};
+
+    #[test]
+    fn verify_args_struct_by_command_set_log_filter_with_filter() {
+        verify_args_struct_by_command(
+            command(&DefaultArgs::default()),
+            vec![COMMAND, "expected_filter_value"],
+            SetLogFilterArg {
+                filter: "expected_filter_value".to_string(),
+            },
+        );
+    }
+}