solidity/scripts/ASTImportTest.sh

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#!/usr/bin/env bash
set -e
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# Bash script to test the ast-import option of the compiler by
# first exporting a .sol file to JSON, then loading it into the compiler
# and exporting it again. The second JSON should be identical to the first
READLINK=readlink
if [[ "$OSTYPE" == "darwin"* ]]; then
READLINK=greadlink
fi
REPO_ROOT=$(${READLINK} -f "$(dirname "$0")"/..)
SOLIDITY_BUILD_DIR=${SOLIDITY_BUILD_DIR:-${REPO_ROOT}/build}
SOLC=${SOLIDITY_BUILD_DIR}/solc/solc
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SPLITSOURCES=${REPO_ROOT}/scripts/splitSources.py
SYNTAXTESTS_DIR="${REPO_ROOT}/test/libsolidity/syntaxTests"
ASTJSONTESTS_DIR="${REPO_ROOT}/test/libsolidity/ASTJSON"
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NSOURCES="$(find "$SYNTAXTESTS_DIR" -type f | wc -l)"
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# DEV_DIR="${REPO_ROOT}/../tmp/contracts/"
# NSOURCES="$(find $DEV_DIR -type f | wc -l)" #TODO use find command
FAILED=0
UNCOMPILABLE=0
TESTED=0
if [[ "$(find . -maxdepth 0 -type d -empty)" == "" ]]; then
echo "Test directory not empty. Skipping!"
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exit 1
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fi
# function tests whether exporting and importing again leaves the JSON ast unchanged
# Results are recorded by adding to FAILED or UNCOMPILABLE.
# Also, in case of a mismatch a diff and the respective ASTs are printed
# Expected parameters:
# $1 name of the file to be exported and imported
# $2 any files needed to do so that might be in parent directories
function testImportExportEquivalence {
local nth_input_file="$1"
IFS=" " read -r -a all_input_files <<< "$2"
if $SOLC "$nth_input_file" "${all_input_files[@]}" > /dev/null 2>&1
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then
# save exported json as expected result (silently)
$SOLC --combined-json ast,compact-format --pretty-json "$nth_input_file" "${all_input_files[@]}" > expected.json 2> /dev/null
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# import it, and export it again as obtained result (silently)
if ! $SOLC --import-ast --combined-json ast,compact-format --pretty-json expected.json > obtained.json 2> /dev/null
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then
# For investigating, use exit 1 here so the script stops at the
# first failing test
# exit 1
FAILED=$((FAILED + 1))
return 1
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fi
DIFF="$(diff expected.json obtained.json)"
if [ "$DIFF" != "" ]
then
if [ "$DIFFVIEW" == "" ]
then
echo -e "ERROR: JSONS differ for $1: \n $DIFF \n"
echo "Expected:"
cat ./expected.json
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echo "Obtained:"
cat ./obtained.json
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else
# Use user supplied diff view binary
$DIFFVIEW expected.json obtained.json
fi
FAILED=$((FAILED + 1))
return 2
fi
TESTED=$((TESTED + 1))
rm expected.json obtained.json
else
# echo "contract $solfile could not be compiled "
UNCOMPILABLE=$((UNCOMPILABLE + 1))
fi
# return 0
}
echo "Looking at $NSOURCES .sol files..."
WORKINGDIR=$PWD
# for solfile in $(find $DEV_DIR -name *.sol)
# boost_filesystem_bug specifically tests a local fix for a boost::filesystem
# bug. Since the test involves a malformed path, there is no point in running
# AST tests on it. See https://github.com/boostorg/filesystem/issues/176
# shellcheck disable=SC2044
for solfile in $(find "$SYNTAXTESTS_DIR" "$ASTJSONTESTS_DIR" -name "*.sol" -and -not -name "boost_filesystem_bug.sol")
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do
echo -n "."
# create a temporary sub-directory
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FILETMP=$(mktemp -d)
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cd "$FILETMP"
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set +e
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OUTPUT=$("$SPLITSOURCES" "$solfile")
SPLITSOURCES_RC=$?
set -e
if [ ${SPLITSOURCES_RC} == 0 ]
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then
# echo $OUTPUT
NSOURCES=$((NSOURCES - 1))
for i in $OUTPUT;
do
testImportExportEquivalence "$i" "$OUTPUT"
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NSOURCES=$((NSOURCES + 1))
done
elif [ ${SPLITSOURCES_RC} == 1 ]
then
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testImportExportEquivalence "$solfile"
elif [ ${SPLITSOURCES_RC} == 2 ]
then
# The script will exit with return code 2, if an UnicodeDecodeError occurred.
# This is the case if e.g. some tests are using invalid utf-8 sequences. We will ignore
# these errors, but print the actual output of the script.
echo -e "\n${OUTPUT}\n"
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testImportExportEquivalence "$solfile"
else
# All other return codes will be treated as critical errors. The script will exit.
echo -e "\nGot unexpected return code ${SPLITSOURCES_RC} from ${SPLITSOURCES}. Aborting."
echo -e "\n${OUTPUT}\n"
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cd "$WORKINGDIR"
# Delete temporary files
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rm -rf "$FILETMP"
exit 1
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fi
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cd "$WORKINGDIR"
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# Delete temporary files
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rm -rf "$FILETMP"
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done
echo ""
if [ "$FAILED" = 0 ]
then
echo "SUCCESS: $TESTED syntaxTests passed, $FAILED failed, $UNCOMPILABLE could not be compiled ($NSOURCES sources total)."
else
echo "FAILURE: Out of $NSOURCES sources, $FAILED failed, ($UNCOMPILABLE could not be compiled)."
exit 1
fi