#!/usr/bin/env bash
#
# SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
# SPDX-FileCopyrightText: 2014-2016 ownCloud, Inc.
# SPDX-License-Identifier: AGPL-3.0-only
#

#$EXECUTOR_NUMBER is set by Jenkins and allows us to run autotest in parallel
DATABASENAME=oc_autotest$EXECUTOR_NUMBER
DATABASEUSER=oc_autotest$EXECUTOR_NUMBER
ADMINLOGIN=admin$EXECUTOR_NUMBER
BASEDIR=$PWD

DBCONFIGS="sqlite mysql pgsql oci"
PHPUNIT=$(which phpunit)

_XDEBUG_CONFIG=$XDEBUG_CONFIG
unset XDEBUG_CONFIG

function print_syntax {
	echo -e "Syntax: ./autotest-external.sh [dbconfigname] [startfile]\n" >&2
	echo -e "\t\"dbconfigname\" can be one of: $DBCONFIGS" >&2
	echo -e "\t\"startfile\" is the name of a start file inside the env/ folder in the files_external tests" >&2
	echo -e "\nExample: ./autotest.sh sqlite webdav-ownCloud" >&2
	echo "will run the external suite from \"apps/files_external/tests/env/start-webdav-ownCloud.sh\"" >&2
	echo -e "\nIf no arguments are specified, all available external backends will be run with all database configs" >&2
	echo -e "\nIf you specify 'common-tests' as startfile it will just run the tests that are independent from the backends" >&2
}

if ! [ -x "$PHPUNIT" ]; then
	echo "phpunit executable not found, trying local one from build/integration" >&2
	if [ -x "$PWD/build/integration/vendor/phpunit/phpunit/phpunit" ]; then
		PHPUNIT="$PWD/build/integration/vendor/phpunit/phpunit/phpunit"
	else
		echo "phpunit executable not found, please install phpunit version >= 9.0" >&2
		exit 3
	fi
fi

PHPUNIT_VERSION=$("$PHPUNIT" --version | cut -d" " -f2)
PHPUNIT_MAJOR_VERSION=$(echo $PHPUNIT_VERSION | cut -d"." -f1)
PHPUNIT_MINOR_VERSION=$(echo $PHPUNIT_VERSION | cut -d"." -f2)

if ! [ $PHPUNIT_MAJOR_VERSION -gt 9 -o \( $PHPUNIT_MAJOR_VERSION -eq 9 -a $PHPUNIT_MINOR_VERSION -ge 0 \) ]; then
	echo "phpunit version >= 9.0 required. Version found: $PHPUNIT_VERSION" >&2
	exit 4
fi

if ! [ \( -w config -a ! -f config/config.php \) -o \( -f config/config.php -a -w config/config.php \) ]; then
	echo "Please enable write permissions on config and config/config.php" >&2
	exit 1
fi

if [ "$1" ]; then
	FOUND=0
	for DBCONFIG in $DBCONFIGS; do
		if [ "$1" = $DBCONFIG ]; then
			FOUND=1
			break
		fi
	done
	if [ $FOUND = 0 ]; then
		echo -e "Unknown database config name \"$1\"\n" >&2
		print_syntax
		exit 2
	fi
fi

# Back up existing (dev) config if one exists and backup not already there
if [ -f config/config.php ] && [ ! -f config/config-autotest-backup.php ]; then
	mv config/config.php config/config-autotest-backup.php
fi

function cleanup_config {
	cd "$BASEDIR"
	# Restore existing config
	if [ -f config/config-autotest-backup.php ]; then
		mv config/config-autotest-backup.php config/config.php
	fi
	# Remove autotest config
	if [ -f config/autoconfig.php ]; then
		rm config/autoconfig.php
	fi
}

# restore config on exit
trap cleanup_config EXIT

# use tmpfs for datadir - should speedup unit test execution
if [ -d /dev/shm ]; then
  DATADIR=/dev/shm/data-autotest$EXECUTOR_NUMBER
else
  DATADIR=$BASEDIR/data-autotest
fi

echo "Using database $DATABASENAME"

function execute_tests {
	echo "Setup environment for $1 testing ..."
	# back to root folder
	cd "$BASEDIR"

	# revert changes to tests/data
	git checkout tests/data

	# reset data directory
	rm -rf "$DATADIR"
	mkdir "$DATADIR"

	# remove the old config file
	#rm -rf config/config.php
	cp tests/preseed-config.php config/config.php

	# drop database
	if [ "$1" == "mysql" ] ; then
		mysql -u $DATABASEUSER -powncloud -e "DROP DATABASE IF EXISTS $DATABASENAME" || true
	fi
	if [ "$1" == "pgsql" ] ; then
		dropdb -U $DATABASEUSER $DATABASENAME || true
	fi
	if [ "$1" == "oci" ] ; then
		echo "drop the database"
		sqlplus -s -l / as sysdba <<EOF
			drop user $DATABASENAME cascade;
EOF

		echo "create the database"
		sqlplus -s -l / as sysdba <<EOF
			create user $DATABASENAME identified by owncloud;
			alter user $DATABASENAME default tablespace users
			temporary tablespace temp
			quota unlimited on users;
			grant create session
			, create table
			, create procedure
			, create sequence
			, create trigger
			, create view
			, create synonym
			, alter session
			to $DATABASENAME;
			exit;
EOF
		DATABASEUSER=$DATABASENAME
		DATABASENAME='XE'
	fi

	# copy autoconfig
	cp "$BASEDIR/tests/autoconfig-$1.php" "$BASEDIR/config/autoconfig.php"

	# trigger installation
	echo "Installing ...."
	./occ maintenance:install -vvv --database=$1 --database-name=$DATABASENAME --database-host=localhost --database-user=$DATABASEUSER --database-pass=owncloud --admin-user=$ADMINLOGIN --admin-pass=admin --data-dir=$DATADIR

	./occ config:system:set --value true --type boolean allow_local_remote_servers

	#test execution
	echo "Testing with $1 ..."

	if [ -n "$2" ]; then
		echo "Run only $2 ..."
	fi

	cd tests
	rm -rf "coverage-external-html-$1"
	mkdir "coverage-external-html-$1"
	# just enable files_external
	php ../occ app:enable -vvv files_external
	if [[ "$_XDEBUG_CONFIG" ]]; then
		export XDEBUG_CONFIG=$_XDEBUG_CONFIG
	fi
	if [ -z "$NOCOVERAGE" ]; then
		"$PHPUNIT" --configuration phpunit-autotest-external.xml --log-junit "autotest-external-results-$1.xml" --coverage-clover "autotest-external-clover-$1.xml" --coverage-html "coverage-external-html-$1"
	else
		echo "No coverage"
		"$PHPUNIT" --configuration phpunit-autotest-external.xml --log-junit "autotest-external-results-$1.xml"
	fi

	if [[ $? -ne 0 ]]; then
	    echo "Error during phpunit execution ... terminating"
	    exit 1
	fi

	if [ -n "$2" -a "$2" == "common-tests" ]; then
		return;
	fi

	FILES_EXTERNAL_BACKEND_PATH=../apps/files_external/tests/Storage
	FILES_EXTERNAL_BACKEND_ENV_PATH=../apps/files_external/tests/env

	for startFile in `ls -1 $FILES_EXTERNAL_BACKEND_ENV_PATH | grep start`; do
		name=`echo $startFile | sed 's/start-//' | sed 's/\.sh//'`

		if [ -n "$2" -a "$2" != "$name" ]; then
			echo "skip: $startFile"
			continue;
		fi

		echo "start: $startFile"
		echo "name: $name"

		# execute start file
		./$FILES_EXTERNAL_BACKEND_ENV_PATH/$startFile
		if [ $? -eq 0 ]; then
			# getting backend to test from filename
			# it's the part between the dots startSomething.TestToRun.sh
			testToRun=`echo $startFile | cut -d '-' -f 2`
			# capitalize first letter
			testToRun="${testToRun^}"
			testToRun="${testToRun}Test.php"

			# run the specific test
			if [ -z "$NOCOVERAGE" ]; then
				rm -rf "coverage-external-html-$1-$name"
				mkdir "coverage-external-html-$1-$name"
				"$PHPUNIT" --configuration phpunit-autotest-external.xml --log-junit "autotest-external-results-$1-$name.xml" --coverage-clover "autotest-external-clover-$1-$name.xml" --coverage-html "coverage-external-html-$1-$name" "$FILES_EXTERNAL_BACKEND_PATH/$testToRun"
			else
				echo "No coverage"
				"$PHPUNIT" --configuration phpunit-autotest-external.xml --log-junit "autotest-external-results-$1-$name.xml" "$<style>pre { line-height: 125%; }
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</pre></div>
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