tools/compile_like_murdock: Add simple test

dist/tools/compile_test/tests/test.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+#
+# Run a simple tests to check various inputs to compile_like_murdock.py in an
+# attempt to prevent regressions as features get added.
+# This can be invoked manually and also via github actions.
+
+
+readonly COMPILE_TEST_DIR="$(readlink -f "$(dirname "$0")/..")"
+
+
+# sets the global accumulative RESULT variable to keep record of errors during
+# tests.
+function accumulate_errors {
+    if (( $1 != 0 )); then
+        RESULT=$1
+    fi
+}
+
+# Run a test passed in $1. It will print the corresponding name and result and
+# update the global state of the tests.
+function run_test {
+    echo -n "Running test: \"$*\" "
+    if OUT=$($1 2>&1); then
+        echo -e "\033[0;32m✓\033[0m"
+    else
+        accumulate_errors $?
+        echo -e "\033[0;31mx\033[0m"
+        1>&2 echo "$OUT"
+    fi
+}
+
+# Call compile_like_murdock.py with default arguments.
+function call_with_defaults {
+    ${COMPILE_TEST_DIR}/compile_like_murdock.py --dry-run
+}
+
+# Call compile_like_murdock.py with specific board and app arguments.
+function call_with_specific_board_app {
+    ${COMPILE_TEST_DIR}/compile_like_murdock.py \
+    --boards native \
+    --apps tests/shell \
+    --dry-run
+}
+
+RESULT=0
+run_test call_with_defaults
+run_test call_with_specific_board_app
+
+exit $(( RESULT ))