fix(repl-logic): man command now shows man when no payload or man and show man {payload} if payload

Author: topheman

crates/pluginlab/tests/e2e_test.rs

@@ -471,4 +471,32 @@ mod e2e_test {
             .exp_string("man - Show the manual for a command")
             .expect("Didn't get expected manual output");
     }
+
+    #[test]
+    fn test_man_echo() {
+        let project_root = find_project_root();
+        println!("Setting current directory to: {:?}", project_root);
+        std::env::set_current_dir(&project_root).unwrap();
+        let mut session = spawn(
+            &build_command(&["plugin_echo.wasm"], "repl_logic_guest.wasm"),
+            Some(TEST_TIMEOUT),
+        )
+        .expect("Can't launch pluginlab with plugin greet");
+
+        session
+            .exp_string("[Host] Starting REPL host...")
+            .expect("Didn't see startup message");
+        session
+            .exp_string("[Host] Loading plugin:")
+            .expect("Didn't see plugin loading message");
+        session
+            .exp_string("repl(0)>")
+            .expect("Didn't see REPL prompt");
+        session
+            .send_line("man echo")
+            .expect("Failed to send command");
+        session
+            .exp_string("echo - Echo a message (built with Rust")
+            .expect("Didn't get expected manual output");
+    }
 }

crates/repl-logic-guest/src/lib.rs

@@ -23,8 +23,13 @@ impl ReplLogicGuest for Component {
         if let Some(response) = reserved::run(&parsed_line.command, &parsed_line.payload) {
             return transport::ReadlineResponse::Ready(response);
         }
-        if let Some(response) = reserved::man(&parsed_line.command) {
-            return transport::ReadlineResponse::Ready(response);
+
+        if parsed_line.command == "man"
+            && (parsed_line.payload.is_empty() || parsed_line.payload == "man")
+        {
+            if let Some(response) = reserved::man(&parsed_line.command) {
+                return transport::ReadlineResponse::Ready(response);
+            }
         }
 
         // if no reserved command was run return the parsed line to be passed to the plugin to run from the host

packages/web-host/tests/repl-logic.spec.ts

@@ -92,3 +92,10 @@ test("man", async ({ page }) => {
   const stdout2 = await getLastStd(page, "stdout");
   await expect(stdout2).toContainText("man - Show the manual for a command");
 });
+
+test("man echo", async ({ page }) => {
+  await page.goto("/#repl");
+  await fillAndSubmitCommand(page, "man echo");
+  const stdout = await getLastStd(page, "stdout");
+  await expect(stdout).toContainText("echo - Echo a message (built with Rust");
+});