chore: update clap 4 argument parser (#3405)

* chore: update clap 4 argument parser

* fix: parse correct range

* test: add --help test coverage for all subcommands

anvil/Cargo.toml

@@ -57,13 +57,13 @@ yansi = "0.5.1"
 tempfile = "3.3.0"
 
 # cli
-clap = { version = "3.0.10", features = ["derive", "env", "wrap_help"], optional = true }
-clap_complete = { version = "3.0.4", optional = true }
+clap = { version = "4.0", features = ["derive", "env", "wrap_help"], optional = true }
+clap_complete = { version = "4.0", optional = true }
 chrono = "0.4.19"
 auto_impl = "0.5.0"
 ctrlc = { version = "3", optional = true }
 fdlimit = { version = "0.2.1", optional = true }
-clap_complete_fig = "3.2.4"
+clap_complete_fig = "4.0"
 ethereum-forkid = "0.10.0"
 
 # ethers

anvil/server/Cargo.toml

@@ -31,7 +31,7 @@ serde = { version = "1.0.136", features = ["derive"] }
 async-trait = "0.1.53"
 thiserror = "1.0.34"
 
-clap = { version = "3.0.10", features = ["derive", "env"], optional = true }
+clap = { version = "4.0", features = ["derive", "env"], optional = true }
 pin-project = "1.0.12"
 
 [features]

anvil/src/anvil.rs

@@ -13,11 +13,11 @@ pub struct App {
     pub cmd: Option<Commands>,
 }
 
-#[derive(Clone, Debug, Subcommand)]
+#[derive(Clone, Debug, Subcommand, Eq, PartialEq)]
 pub enum Commands {
     #[clap(visible_alias = "com", about = "Generate shell completions script.")]
     Completions {
-        #[clap(arg_enum)]
+        #[clap(value_enum)]
         shell: clap_complete::Shell,
     },
     #[clap(visible_alias = "fig", about = "Generate Fig autocompletion spec.")]
@@ -53,3 +53,19 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn can_parse_help() {
+        let _: App = App::parse_from(["anvil", "--help"]);
+    }
+
+    #[test]
+    fn can_parse_completions() {
+        let args: App = App::parse_from(["anvil", "completions", "bash"]);
+        assert_eq!(args.cmd, Some(Commands::Completions { shell: clap_complete::Shell::Bash }));
+    }
+}