test runinng rojo serve and killing

.github/workflows/ci.yml

@@ -70,3 +70,21 @@ jobs:
         foreman --version
         PATH=$PATH:~/.foreman/bin
         ./scripts/end-to-end-tests.sh
+  kill-process-test-unix:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+
+    runs-on: ${{ matrix.os }}
+    needs: build
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: End-to-end tests
+      shell: bash
+      run: |
+        cargo install --path .
+        foreman --version
+        PATH=$PATH:~/.foreman/bin
+        ./scripts/kill-process-test-unix.sh

scripts/kill-process-test-unix.sh

@@ -0,0 +1,48 @@
+write_foreman_toml () {
+    echo "[tools]" > foreman.toml
+    echo "$2 = { $1 = \"$3\", version = \"=$4\" }" >> foreman.toml
+}
+
+create_rojo_files() {
+    echo "{
+        \"name\": \"test\",
+        \"tree\": {
+            \"\$path\": \"src\"
+            }
+    }" > default.project.json
+}
+
+setup_rojo() {
+    write_foreman_toml github rojo "rojo-rbx/rojo" "7.3.0"
+    cargo run --release -- install
+    create_rojo_files
+}
+
+delay_kill_process_and_check() {
+    sleep 5
+    echo "waiting 5 seconds before killing rojo"
+    ps -ef | grep "rojo serve" | grep -v grep | awk '{print $2}' | xargs kill -INT
+    check_killed_subprocess
+}
+
+run_rojo_serve_and_kill_process() {
+    setup_rojo
+    (rojo serve default.project.json) & (delay_kill_process_and_check)
+}
+
+check_killed_subprocess(){
+    if ps -ef | grep "rojo" | grep -v grep 
+    then 
+        echo "rojo subprocess was not killed properly"
+        rm foreman.toml
+        rm default.project.json
+        exit 1
+    else
+        echo "rojo subprocess was killed properly"
+        rm foreman.toml
+        rm default.project.json
+        exit 0
+    fi
+}
+
+run_rojo_serve_and_kill_process