Test execution of projects

.github/workflows/ci.yml

@@ -67,4 +67,6 @@ jobs:
         with:
           tool: bpf-linker,cargo-generate
 
+      - run: sudo apt update
+      - run: sudo apt install expect
       - run: ./test.sh ${{ github.workspace }} ${{ matrix.program }}

test.sh

@@ -1,6 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-set -ex
+set -eux
 
 TEMPLATE_DIR=$1
 if [ -z "${TEMPLATE_DIR}" ]; then echo "template dir required"; exit 1; fi
@@ -53,12 +53,36 @@ esac
 cargo generate --path "${TEMPLATE_DIR}" -n test -d program_type="${PROG_TYPE}" "${ADDITIONAL_ARGS[@]}"
 pushd test
 cargo +nightly fmt --all -- --check
+
+expect << EOF
+  set timeout 30        ;# Increase timeout if necessary
+  spawn cargo xtask run
+  expect {
+    -re "Waiting for Ctrl-C.*" {
+      send -- \003      ;# Send Ctrl-C
+    }
+    timeout {
+      puts "Error: Timed out waiting for 'Waiting for Ctrl-C...'"
+      exit 1
+    }
+    eof {
+      puts "Error: Process exited prematurely"
+      exit 1
+    }
+  }
+
+  expect {
+    -re "Exiting.*" { }
+    eof { }
+  }
+EOF
+
 cargo build --package test
 cargo build --package test --release
 # We cannot run clippy over the whole workspace at once due to feature unification. Since both test
 # and test-ebpf depend on test-common and test activates test-common's aya dependency, we end up
 # trying to compile the panic handler twice: once from the bpf program, and again from std via aya.
 cargo clippy --exclude test-ebpf --all-targets --workspace -- --deny warnings
 cargo clippy --package test-ebpf --all-targets -- --deny warnings
+
 popd
-exit 0