taler-rust

commit 07ae2275a7ebf94b3d413430a69ca9caff4115d7
parent 5701a8fd93a4833e3cc5ab7b128648d03122d111
Author: Antoine A <>
Date:   Tue, 23 Jun 2026 10:53:33 +0200

test: improve repl

Diffstat:
M
common/taler-test-utils/src/repl.rs
 | 
29
++++++++++++++++++++++-------

1 file changed, 22 insertions(+), 7 deletions(-)
diff --git a/common/taler-test-utils/src/repl.rs b/common/taler-test-utils/src/repl.rs
@@ -16,6 +16,7 @@
 
 use std::{borrow::Cow, marker::PhantomData};
 
+use clap::Command;
 use nu_ansi_term::Color;
 use reedline::{
     ColumnarMenu, DefaultHinter, FileBackedHistory, KeyCode, KeyModifiers, MenuBuilder as _,
@@ -26,8 +27,9 @@ use reedline::{
 use crate::cli::clap_parse;
 
 pub struct Repl<T: clap::Parser> {
+    cmd: Command,
     relp: Reedline,
-    cmd: PhantomData<T>,
+    phantom: PhantomData<T>,
 }
 
 impl<T: clap::Parser> Repl<T> {
@@ -53,9 +55,10 @@ impl<T: clap::Parser> Repl<T> {
                 ReedlineEvent::MenuNext,
             ]),
         );
+        let cmd = T::command();
         let repl = Reedline::create()
             .with_history(history)
-            .with_completer(Box::new(ClapCompleter(T::command())))
+            .with_completer(Box::new(ClapCompleter(cmd.clone())))
             .with_menu(ReedlineMenu::EngineCompleter(completion_menu))
             .with_quick_completions(true)
             .with_partial_completions(true)
@@ -65,8 +68,9 @@ impl<T: clap::Parser> Repl<T> {
             .with_edit_mode(Box::new(Vi::new(insert, default_vi_normal_keybindings())));
 
         Self {
+            cmd,
             relp: repl,
-            cmd: PhantomData,
+            phantom: PhantomData,
         }
     }
 
@@ -76,14 +80,25 @@ impl<T: clap::Parser> Repl<T> {
             else {
                 return None;
             };
-            match clap_parse(&buf) {
-                Ok(cmd) => return Some(cmd),
-                Err(e) => {
-                    println!("{e}");
+            if buf.trim().is_empty() {
+                self.print_commands();
+            } else {
+                match clap_parse(&buf) {
+                    Ok(cmd) => return Some(cmd),
+                    Err(_) => {
+                        self.print_commands();
+                    }
                 }
             }
         }
     }
+
+    fn print_commands(&self) {
+        for sub in self.cmd.get_subcommands() {
+            let about = sub.get_about().unwrap_or_default();
+            println!("{:<10} {}", sub.get_name(), about);
+        }
+    }
 }
 
 struct ClapCompleter(clap::Command);