Merge pull request go-mysql-org#789 from dveeden/test_80

tests: select testdb and use MySQL 8.0 by default

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
       matrix:
         go: [ "1.20", "1.19", "1.18" ]
         os: [ ubuntu-22.04, ubuntu-20.04 ]
-    name: Tests Go ${{ matrix.go }} # This name is used in main branch protection rules
+    name: Tests Go ${{ matrix.go }} on ${{ matrix.os }} # This name is used in main branch protection rules
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -31,7 +31,7 @@ jobs:
         run: |
           sudo apt-get install -y make gcc
       - name: Install Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go }}
       - name: Checkout code

Makefile

@@ -11,7 +11,7 @@ build:
 test:
 	go test --race -timeout 2m ./...
 
-MYSQL_VERSION ?= 5.7
+MYSQL_VERSION ?= 8.0
 test-local:
 	docker run --rm -d --network=host --name go-mysql-server \
 		-e MYSQL_ALLOW_EMPTY_PASSWORD=true \

client/conn_test.go

@@ -106,6 +106,9 @@ func (s *connTestSuite) TestExecuteMultiple() {
 		`THIS IS BOGUS()`,
 	}
 
+	_, err := s.c.Execute("USE " + *testDB)
+	require.Nil(s.T(), err)
+
 	count := 0
 	result, err := s.c.ExecuteMultiple(strings.Join(queries, "; "), func(result *mysql.Result, err error) {
 		switch count {

docker/resources/waitfor.sh

@@ -4,7 +4,7 @@ port=$2
 
 echo "Waiting for mysql at $host:$port"
 while true; do
-  docker run --rm -it --network=host mysql:5.7 mysql -h$host -P$port -e "SELECT RAND()" >/dev/null
+  docker run --rm -it --network=host mysql:8.0 mysql -h$host -P$port -e "SELECT RAND()" >/dev/null
   if [[ $? -eq 0 ]]; then
     echo 'Connected'
     break