Added some very simple sanity check scripts for updating to new server versions

Author: ltangvald

test/README.md

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+Some simple test scripts to check the image is built and running the correct version. Used during release
+Run from the project root directory

test/testbuild.sh

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+#!/bin/bash
+
+VERSION=$1
+DIRECTORY=$2
+
+echo "Building image mysql/mysql-server:$VERSION"
+docker build -t mysql/mysql-server:$VERSION $DIRECTORY
+RES=$?
+if [ $RES -eq 0 ]; 
+then
+	echo "Image built"
+else
+	echo "Image build failed"
+	exit 0
+fi
+
+	
+IMAGELIST=$(docker images | grep $VERSION)
+docker rmi "mysql/mysql-server:$VERSION" || :
+versionregex="mysql/mysql-server   $VERSION"
+if [[ $IMAGELIST =~ $versionregex ]];
+then
+	echo "Test passed"
+	exit 0
+else
+	echo "Test failed. Image not in list"
+	exit 1
+fi
+
+

test/testserver.sh

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+#!/bin/bash
+
+VERSION="$1"
+SERVERSTART=0
+SERVERCONNECT=0
+SUCCESS=false
+echo "Starting image with MySQL version $VERSION"
+docker run -e MYSQL_ROOT_PASSWORD=rot --name=testserver -p 3306:3306 -d mysql/mysql-server:$VERSION
+RES=$?
+if [ ! $RES = 0 ]; then
+	echo "Server start failed with error code $RES"
+else
+	SERVERSTART=1
+fi
+echo "Connecting to server..."
+if [ $SERVERSTART ];
+then
+	for i in $(seq 30 -1 0); do
+		OUTPUT="$(mysql -uroot -prot -h127.0.0.1 -P3306 < 'test/sql_version.sql')"
+		RES=$?
+		if [ $RES -eq 0 ]; then
+			SERVERCONNECT=1
+			break
+		fi	
+		sleep 1
+	done
+	if [ $i = 0 ]; then
+		echo >&2 "Unable to connect to server."
+	fi
+fi
+
+if [ $SERVERCONNECT ];
+then
+	versionregex="version	$VERSION"
+	if [[ $OUTPUT =~ $versionregex ]];
+	then
+		echo "Version check ok"
+		SUCCESS=true
+	else
+		echo "Expected to see version $VERSION. Actual output: $OUTPUT"
+	fi
+fi
+
+echo "Running cleanup."
+docker kill testserver
+docker rm testserver
+echo "Cleanup complete."
+if [ $SUCCESS == true ];
+then
+	echo "Test passed"
+	exit 0
+else
+	echo "Test failed"
+	exit 1
+fi
+