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#!/usr/bin/env bash
#
# test_python.sh — test the Python mwrap port against reference files
# and against C++ mwrap output.
#
# Usage:
# bash testing/test_python.sh <path-to-cpp-mwrap> <path-to-python-mwrap>
#
# Example:
# bash testing/test_python.sh build/mwrap python/mwrap
set -euo pipefail
if [ $# -ne 2 ]; then
echo "Usage: $0 <cpp-mwrap> <python-mwrap>"
exit 1
fi
MWRAP_CPP="$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
MWRAP_PY="$(cd "$(dirname "$2")" && pwd)/$(basename "$2")"
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
TMPDIR_BASE="$(mktemp -d)"
trap 'rm -rf "$TMPDIR_BASE"' EXIT
PASS=0
FAIL=0
ERRORS=""
pass() {
PASS=$((PASS + 1))
echo " PASS: $1"
}
fail() {
FAIL=$((FAIL + 1))
ERRORS="${ERRORS} FAIL: $1\n"
echo " FAIL: $1"
}
# ----------------------------------------------------------------
# Group A: Reference-file tests
# Run from the testing directory with relative .mw paths so that
# error messages use basenames (matching the .ref files).
# ----------------------------------------------------------------
echo "=== Group A: Reference-file tests ==="
run_ref_test() {
local name="$1"
local mw_basename="$2"
local ref_file="$3"
shift 3
local flags=("$@")
local tmpout="$TMPDIR_BASE/${name}.stderr"
# Run Python mwrap from SCRIPT_DIR with relative .mw path; expect nonzero exit
if (cd "$SCRIPT_DIR" && "$MWRAP_PY" "${flags[@]}" "$mw_basename" 2>"$tmpout") ; then
fail "$name (expected nonzero exit, got 0)"
return
fi
# Normalize "end of file" -> "$end" to match Bison 3.x convention
sed -i.bak 's/end of file/$end/g' "$tmpout"
if diff -u "$ref_file" "$tmpout" >/dev/null 2>&1; then
pass "$name"
else
fail "$name (stderr differs from reference)"
diff -u "$ref_file" "$tmpout" || true
fi
}
run_ref_test test_syntax \
test_syntax.mw \
"$SCRIPT_DIR/test_syntax.ref" \
-cppcomplex
run_ref_test test_typecheck \
test_typecheck.mw \
"$SCRIPT_DIR/test_typecheck.ref" \
-cppcomplex
# ----------------------------------------------------------------
# Group B: Output equivalence tests (Python vs C++)
# ----------------------------------------------------------------
echo ""
echo "=== Group B: Output equivalence tests ==="
run_equiv_test() {
local name="$1"
local mw_file="$2"
local cc_ext="$3" # .cc or .c
local gen_m="$4" # "yes" or "no"
shift 4
local flags=()
if [ $# -gt 0 ]; then
flags=("$@")
fi
local cpp_dir="$TMPDIR_BASE/cpp_${name}"
local py_dir="$TMPDIR_BASE/py_${name}"
mkdir -p "$cpp_dir" "$py_dir"
local mex_name="${name}mex"
local cc_file="${mex_name}${cc_ext}"
# Copy test_include2.mw if needed (for @include)
if [ -f "$SCRIPT_DIR/test_include2.mw" ]; then
cp "$SCRIPT_DIR/test_include2.mw" "$cpp_dir/"
cp "$SCRIPT_DIR/test_include2.mw" "$py_dir/"
fi
local cpp_args=(-mex "$mex_name" -c "$cc_file")
local py_args=(-mex "$mex_name" -c "$cc_file")
if [ "$gen_m" = "yes" ]; then
cpp_args+=(-m "${name}.m")
py_args+=(-m "${name}.m")
else
cpp_args+=(-mb)
py_args+=(-mb)
fi
if [ ${#flags[@]} -gt 0 ]; then
cpp_args+=("${flags[@]}")
py_args+=("${flags[@]}")
fi
cpp_args+=("$mw_file")
py_args+=("$mw_file")
# Run C++ mwrap
if ! (cd "$cpp_dir" && "$MWRAP_CPP" "${cpp_args[@]}" 2>/dev/null); then
fail "$name (C++ mwrap failed)"
return
fi
# Run Python mwrap
if ! (cd "$py_dir" && "$MWRAP_PY" "${py_args[@]}" 2>/dev/null); then
fail "$name (Python mwrap failed)"
return
fi
# Compare generated C/C++ file
if diff -u "$cpp_dir/$cc_file" "$py_dir/$cc_file" >/dev/null 2>&1; then
pass "$name ($cc_file)"
else
fail "$name ($cc_file differs)"
diff -u "$cpp_dir/$cc_file" "$py_dir/$cc_file" | head -40 || true
fi
# Compare generated .m file (if applicable)
if [ "$gen_m" = "yes" ]; then
if diff -u "$cpp_dir/${name}.m" "$py_dir/${name}.m" >/dev/null 2>&1; then
pass "$name (${name}.m)"
else
fail "$name (${name}.m differs)"
diff -u "$cpp_dir/${name}.m" "$py_dir/${name}.m" | head -40 || true
fi
fi
}
run_equiv_test test_transfers \
"$SCRIPT_DIR/test_transfers.mw" .cc yes
run_equiv_test test_cpp_complex \
"$SCRIPT_DIR/test_cpp_complex.mw" .cc yes \
-cppcomplex
run_equiv_test test_c99_complex \
"$SCRIPT_DIR/test_c99_complex.mw" .c yes \
-c99complex
run_equiv_test test_catch \
"$SCRIPT_DIR/test_catch.mw" .cc yes \
-catch
run_equiv_test test_fortran1 \
"$SCRIPT_DIR/test_fortran1.mw" .cc yes
run_equiv_test test_fortran2 \
"$SCRIPT_DIR/test_fortran2.mw" .c yes
run_equiv_test test_include \
"$SCRIPT_DIR/test_include.mw" .cc yes
run_equiv_test test_single \
"$SCRIPT_DIR/test_single.mw" .cc no \
-cppcomplex
run_equiv_test test_char \
"$SCRIPT_DIR/test_char.mw" .cc no \
-cppcomplex
# ----------------------------------------------------------------
# Summary
# ----------------------------------------------------------------
echo ""
echo "=== Summary ==="
echo " Passed: $PASS"
echo " Failed: $FAIL"
if [ $FAIL -ne 0 ]; then
echo ""
echo "Failures:"
echo -e "$ERRORS"
exit 1
fi
exit 0
|
