Differential D4279 Diff 14575 contrib/arcanist/test/test-autopatch.sh

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contrib/arcanist/test/test-autopatch.sh

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File Mode	null	100755

				#!/usr/bin/env bash
				# Copyright (c) 2019 The Bitcoin developers
				# Distributed under the MIT software license, see the accompanying
				# file COPYING or http://www.opensource.org/licenses/mit-license.php.

				export LC_ALL=C.UTF-8

				set -euxo pipefail

				TOPLEVEL=$(git rev-parse --show-toplevel)
				CURRENT_DIR=$(dirname $(readlink -f "$0"))
				TEST_PATCH="${CURRENT_DIR}/test-commit.patch"
				: "${REMOTE:=origin}"
				: "${MASTER_BRANCH:=master}"
				REMOTE_AND_BRANCH="${REMOTE}/${MASTER_BRANCH}"
				LATEST_MASTER=$(git rev-parse "${REMOTE_AND_BRANCH}")

				test_autopatch() {
				PATCH_FILE="$1"
				EXPECTED_EXIT_CODE="$2"
				PATCH_ARGS="--patch ${PATCH_FILE}"
				# Setting the remote to this repo allows us to simulate an upstream without
				# relying on external services for unit tests.
				export EDITOR="${CURRENT_DIR}/test-commit-message.sh"
				# Note: Do not use `-o ${REMOTE}` here because REMOTE may be on the local filesystem.
				EXIT_CODE=0
				"${CURRENT_DIR}/../autopatch.sh" -o testorigin -b "${MASTER_BRANCH}" --patch-args "${PATCH_ARGS}" \|\| EXIT_CODE=$?
				if [ "${EXIT_CODE}" -ne "${EXPECTED_EXIT_CODE}" ]; then
				echo "Error: autopatch exited with '${EXIT_CODE}' when '${EXPECTED_EXIT_CODE}' was expected."
				exit 1
				fi

				# Autopatch failed as expected, so sanity checks are not necessary
				if [ "${EXPECTED_EXIT_CODE}" -ne 0 ]; then
				exit 0
				fi

				# Sanity checks
				if [ -n "$(git status --porcelain)" ]; then
				echo "Error: There should be no uncommitted changes."
				exit 10
				fi

				if [ "${LATEST_MASTER}" != "$(git rev-parse HEAD~)" ]; then
				echo "Error: Failed to patch on latest master."
				exit 11
				fi

				# Note: Remove 'index ...' line from 'git diff' as the SHA1 hash is unlikely
				# to match.
				DIFF_HEAD_AGAINST_PATCH="$(git diff HEAD~ \| grep -v "^index " \| diff - "${PATCH_FILE}" \|\| :)"
				if [ -n "${DIFF_HEAD_AGAINST_PATCH}" ]; then
				echo "Error: Rebased changes do not match the given patch. Difference was:"
				echo "${DIFF_HEAD_AGAINST_PATCH}"
				exit 12
				fi
				}

				TEST_STATUS="FAILED"
				final_cleanup() {
				# Cleanup the temporary test directory
				rm -rf "$1"

				# Nicely print the final test status
				set +x
				echo
				echo "${0}:"
				echo "${TEST_STATUS}"
				}

				TEMP_DIR=$(mktemp -d)
				trap 'final_cleanup ${TEMP_DIR}' RETURN EXIT
				cd "${TEMP_DIR}"
				git init
				git remote add testorigin "${TOPLEVEL}"
				git pull testorigin "${REMOTE_AND_BRANCH}"

				test_cleanup() {
				# Cleanup current branch so that arcanist doesn't run out of branch names
				CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
				git checkout "${MASTER_BRANCH}"
				git reset --hard HEAD
				git branch -D "${CURRENT_BRANCH}" \|\| true
				}

				(
				trap 'test_cleanup' RETURN ERR EXIT
				echo "TEST: Simply sanity check that autopatch fast-forwards as expected"
				git reset --hard HEAD~10
				test_autopatch "${TEST_PATCH}" 0
				)

				test_file_not_present() {
				if [ -n "$1" ] && [ -f "$1" ]; then
				echo "Error: '$1' file was found but not expected!"
				exit 51
				fi
				}

				(
				trap 'test_cleanup' RETURN ERR EXIT
				echo "TEST: Locally committed changes cause the script to bail"
				TEST_FILE="test-committed-changes"
				touch "${TEST_FILE}"
				git add "${TEST_FILE}"
				git commit -m "test local commit"

				test_autopatch "${TEST_PATCH}" 11
				)

				(
				trap 'test_cleanup' RETURN ERR EXIT
				echo "TEST: Staged changes are not included after autopatching"
				TEST_FILE="test-staged-changes"
				touch "${TEST_FILE}"
				git add "${TEST_FILE}"

				test_autopatch "${TEST_PATCH}" 10
				test_file_not_present "${TEST_FILE}"
				)

				(
				trap 'test_cleanup' RETURN ERR EXIT
				echo "TEST: Unstaged changes are not included after autopatching"
				TEST_FILE="test-unstaged-changes"
				touch "${TEST_FILE}"

				test_autopatch "${TEST_PATCH}" 10
				test_file_not_present "${TEST_FILE}"
				)

				TEST_STATUS="PASSED"