diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index af5ccb3..9761585 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -6,11 +6,13 @@
 CURDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 METADATA=${CURDIR}/../metadata.yml
 FORMULA_NAME=$(cat $METADATA | python -c "import sys,yaml; print yaml.load(sys.stdin)['name']")
+FORMULA_META_DIR=${CURDIR}/../${FORMULA_NAME}/meta
 
 ## Overrideable parameters
 PILLARDIR=${PILLARDIR:-${CURDIR}/pillar}
 BUILDDIR=${BUILDDIR:-${CURDIR}/build}
 VENV_DIR=${VENV_DIR:-${BUILDDIR}/virtualenv}
+MOCK_BIN_DIR=${MOCK_BIN_DIR:-${CURDIR}/mock_bin}
 DEPSDIR=${BUILDDIR}/deps
 
 SALT_FILE_DIR=${SALT_FILE_DIR:-${BUILDDIR}/file_root}
@@ -40,6 +42,15 @@
     python -m pip install salt${PIP_SALT_VERSION}
 }
 
+setup_mock_bin() {
+    # If some state requires a binary, a lightweight replacement for
+    # such binary can be put into MOCK_BIN_DIR for test purposes
+    if [ -d "${MOCK_BIN_DIR}" ]; then
+        PATH="${MOCK_BIN_DIR}:$PATH"
+        export PATH
+    fi
+}
+
 setup_pillar() {
     [ ! -d ${SALT_PILLAR_DIR} ] && mkdir -p ${SALT_PILLAR_DIR}
     echo "base:" > ${SALT_PILLAR_DIR}/top.sls
@@ -121,6 +132,7 @@
     [ -d ${BUILDDIR} ] && mkdir -p ${BUILDDIR}
 
     which salt-call || setup_virtualenv
+    setup_mock_bin
     setup_pillar
     setup_salt
     install_dependencies
@@ -130,7 +142,26 @@
     for pillar in ${PILLARDIR}/*.sls; do
         grep ${FORMULA_NAME}: ${pillar} &>/dev/null || continue
         state_name=$(basename ${pillar%.sls})
+        salt_run grains.set 'noservices' False force=True
+
+        echo "Checking state ${FORMULA_NAME}.${state_name} ..."
         salt_run --id=${state_name} state.show_sls ${FORMULA_NAME} || (log_err "Execution of ${FORMULA_NAME}.${state_name} failed"; exit 1)
+
+        # Check that all files in 'meta' folder can be rendered using any valid pillar
+        for meta in `find ${FORMULA_META_DIR} -type f`; do
+            meta_name=$(basename ${meta})
+            echo "Checking meta ${meta_name} ..."
+            salt_run --out=quiet --id=${state_name} cp.get_template ${meta} ${SALT_CACHE_DIR}/${meta_name} \
+              || (log_err "Failed to render meta ${meta} using pillar ${FORMULA_NAME}.${state_name}"; exit 1)
+            cat ${SALT_CACHE_DIR}/${meta_name}
+        done
+    done
+}
+
+real_run() {
+    for pillar in ${PILLARDIR}/*.sls; do
+        state_name=$(basename ${pillar%.sls})
+        salt_run --id=${state_name} state.sls ${FORMULA_NAME} || (log_err "Execution of ${FORMULA_NAME}.${state_name} failed"; exit 1)
     done
 }
 
@@ -147,22 +178,23 @@
 }
 
 ## Main
-[[ "$0" != "$BASH_SOURCE"  ]] || {
-  trap _atexit INT TERM EXIT
+trap _atexit INT TERM EXIT
 
-  case $1 in
-      clean)
-          clean
-          ;;
-      prepare)
-          prepare
-          ;;
-      run)
-          run
-          ;;
-      *)
-          prepare
-          run
-          ;;
-  esac
-}
+case $1 in
+    clean)
+        clean
+        ;;
+    prepare)
+        prepare
+        ;;
+    run)
+        run
+        ;;
+    real-run)
+        real_run
+        ;;
+    *)
+        prepare
+        run
+        ;;
+esac