feat: add proper error handling to setup command (#452)

crates/topos/src/components/setup/mod.rs

@@ -28,13 +28,19 @@ pub(crate) async fn handle_command(
                         "Starting installation of Polygon Edge binary to target path: {}",
                         &cmd.path.display()
                     );
+                    println!(
+                        "Starting installation of Polygon Edge binary to target path: {}",
+                        &cmd.path.display()
+                    );
                     if let Err(e) =
                         install_polygon_edge(cmd.repository, cmd.release, cmd.path.as_path()).await
                     {
                         error!("Error installing Polygon Edge: {e}");
+                        eprintln!("Error installing Polygon Edge: {e}");
                         std::process::exit(1);
                     } else {
                         info!("Polygon Edge installation successful");
+                        println!("Polygon Edge installation successful");
                         std::process::exit(0);
                     }
                 }
@@ -46,6 +52,10 @@ pub(crate) async fn handle_command(
 
             Ok(())
         }
-        None => Ok(()),
+        None => {
+            error!("No subcommand provided. You can use `--help` to see available subcommands.");
+            eprintln!("No subcommand provided. You can use `--help` to see available subcommands.");
+            std::process::exit(1);
+        }
     }
 }

crates/topos/src/lib.rs

@@ -15,7 +15,7 @@ pub enum Error {
     Http(reqwest::Error),
     #[error("Json parsing error: {0}")]
     InvalidJson(serde_json::Error),
-    #[error("There are no available release")]
+    #[error("There is no valid Polygon Edge release available")]
     NoValidRelease,
     #[error("Invalid release metadata")]
     InvalidReleaseMetadata,

crates/topos/tests/setup.rs

@@ -0,0 +1,63 @@
+mod utils;
+
+use std::process::Command;
+
+use assert_cmd::prelude::*;
+use tempfile::tempdir;
+
+#[test]
+fn setup_subnet_install_edge() -> Result<(), Box<dyn std::error::Error>> {
+    let tmp_home_dir = tempdir()?;
+
+    let mut cmd = Command::cargo_bin("topos")?;
+    cmd.arg("setup")
+        .arg("subnet")
+        .arg("--path")
+        .arg(tmp_home_dir.path());
+
+    let output = cmd.assert().success();
+
+    let result: &str = std::str::from_utf8(&output.get_output().stdout)?;
+
+    assert!(result.contains("Polygon Edge installation successful"));
+
+    Ok(())
+}
+
+#[test]
+fn setup_with_no_arguments() -> Result<(), Box<dyn std::error::Error>> {
+    let mut cmd = Command::cargo_bin("topos")?;
+    cmd.arg("setup");
+
+    let output = cmd.assert().failure();
+
+    let result: &str = std::str::from_utf8(&output.get_output().stderr)?;
+
+    assert!(result
+        .contains("No subcommand provided. You can use `--help` to see available subcommands."));
+
+    Ok(())
+}
+
+#[test]
+fn setup_subnet_fail_to_install_release() -> Result<(), Box<dyn std::error::Error>> {
+    let tmp_home_dir = tempdir()?;
+
+    let mut cmd = Command::cargo_bin("topos")?;
+    cmd.arg("setup")
+        .arg("subnet")
+        .arg("--path")
+        .arg(tmp_home_dir.path())
+        .arg("--release")
+        .arg("invalid");
+
+    let output = cmd.assert().failure();
+
+    let result: &str = std::str::from_utf8(&output.get_output().stderr)?;
+
+    assert!(result.contains(
+        "Error installing Polygon Edge: There is no valid Polygon Edge release available"
+    ));
+
+    Ok(())
+}