lean4-htt/tests/pkg/user_plugin/test.sh
Mac Malone ac1197ff59
feat: Lean.loadPlugin (#6130)
This PR adds `Lean.loadPlugin` which exposes functionality similar to
the `lean` executable's `--plugin` option to Lean code.

This will allow custom Lean frontends (e.g., Lake, the Lean language
server) to also load plugins.

---------

Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
2024-11-27 09:56:31 +00:00

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#!/usr/bin/env bash
set -euo pipefail
# Deermine shared library extension
if [ "${OS:-}" = Windows_NT ]; then
LIB_PREFIX=
SHLIB_EXT=dll
elif [ "`uname`" = Darwin ]; then
LIB_PREFIX=lib
SHLIB_EXT=dylib
else
LIB_PREFIX=lib
SHLIB_EXT=so
fi
# Reset test
./clean.sh
lake update -q
# Build plugins
lake build
LIB_DIR=.lake/build/lib
check_plugin () {
plugin=$1
shlib=$LIB_DIR/${LIB_PREFIX}$plugin.$SHLIB_EXT
test -f $shlib || {
echo "$plugin library not found; $LIB_DIR contains:"
ls $LIB_DIR
exit 1
}
mv $shlib $LIB_DIR/$plugin.$SHLIB_EXT
}
check_plugin UserPlugin
check_plugin UserEnvPlugin
PLUGIN=$LIB_DIR/UserPlugin.$SHLIB_EXT
ENV_PLUGIN=$LIB_DIR/UserEnvPlugin.$SHLIB_EXT
# Expected test output
EXPECTED_OUT="Ran builtin initializer"
ENV_EXPECTED_OUT="Builtin value"
# Test plugins at elaboration-time via `lean` CLI
echo "Testing plugin load with lean CLI ..."
echo | lean --plugin=$PLUGIN --stdin 2>&1 | diff <(echo "$EXPECTED_OUT") -
lake env lean --plugin=$ENV_PLUGIN testEnvUse.lean 2>&1 | diff <(echo "$ENV_EXPECTED_OUT") -
# Test plugins at runtime via `Lean.loadPlugin`
echo "Testing plugin load with Lean.loadPlugin ..."
lean --run test.lean $PLUGIN 2>&1 | diff <(echo "$EXPECTED_OUT") -
lake env lean --run testEnv.lean $ENV_PLUGIN 2>&1 | diff <(echo "$ENV_EXPECTED_OUT") -
# Test failure to load environment plugin without `withImporting`
lean --run test.lean $ENV_PLUGIN >/dev/null 2>&1 && {
echo "Loading environment plugin without importing succeeded unexpectedly."
exit 1
} || true
# Print success
echo "Tests completed successfully."