Add CLI smoke test CI

.github/workflows/ci.yml

@@ -73,6 +73,20 @@ jobs:
         run: cargo fmt --all --check
       - name: Lint
         run: cargo clippy --all --all-features -- -D warnings
+      - name: Smoke test CLI
+        env: 
+          DATABASE_URL: postgres://postgres:secret@localhost:5432/pg-extras-rs-test
+        run: |
+          cargo run --bin pgextras
+          exit_code=$?
+          if [ $exit_code -eq 2 ]; then
+              echo "Command completed successfully."
+          else
+              echo "Command failed."
+              exit 1
+          fi
+
+          cargo run --bin pgextras cache-hit
       - name: Run tests for PG 12
         env:
           PG_VERSION: 12

test.sh

@@ -0,0 +1,8 @@
+cargo run --bin pgextras
+exit_code=$?
+if [ $exit_code -eq 2 ]; then
+    echo "Command completed successfully."
+else
+    echo "Command failed."
+		exit 1
+fi