bunpen: cleanup the integration test infrastructure

pkgs/additional/bunpen/integration_test

@@ -1,16 +1,49 @@
 #!/bin/sh
 
-set -xeu
+set -eu
 
-# trivial:
-bunpen --bunpen-path / $(which true)
+die() {
+  echo "$1"
+  return 1
+}
+
+test_01_trivial() {
+  bunpen --bunpen-path / /usr/bin/env true
+}
 
 # invoke by path
-bunpen --bunpen-path / true
+test_02_invoke_by_path() {
+  bunpen --bunpen-path / true
+}
+
+# invoke disabled
+test_03_disable_by_env_var() {
+  BUNPEN_DISABLE=1 bunpen true
+}
+
+# propagate exit code when disabled (i.e. it exec's)
+test_04_propagates_rc_when_disabled() {
+  BUNPEN_DISABLE=1 bunpen false && exit false || true
+}
+
+# propagate exit code
+test_05_propagates_rc() {
+  bunpen --bunpen-path / false && exit false || true
+}
 
 # forwards stdout
-stdout=$(bunpen --bunpen-path / echo "hello")
-test "$stdout" -eq "hello"
+test_06_forwards_stdout() {
+  local stdout=$(bunpen --bunpen-path / echo "hello")
+  test "$stdout" -eq "hello"
+}
 
-# forwards exit code
-bunpen --bunpen-path / false && exit false || true
+for f in $(declare -F); do
+  if [[ "$f" =~ test_* ]]; then
+    echo -n "$f: ..."
+    "$f" && echo " SUCCESS" || die " FAIL"
+  fi
+done
+
+# for n in {01..06}; do
+#   $("test_$n_*)
+# done