grafana/pkg/services/sqlstore/migrations/migrations_test.go

80 lines
1.9 KiB
Go

package migrations
import (
"fmt"
"strings"
"testing"
"github.com/go-xorm/xorm"
"github.com/torkelo/grafana-pro/pkg/log"
. "github.com/smartystreets/goconvey/convey"
)
func cleanDB(x *xorm.Engine) {
tables, _ := x.DBMetas()
sess := x.NewSession()
defer sess.Close()
for _, table := range tables {
if _, err := sess.Exec("SET FOREIGN_KEY_CHECKS = 0"); err != nil {
panic("Failed to disable foreign key checks")
}
if _, err := sess.Exec("DROP TABLE " + table.Name); err != nil {
panic(fmt.Sprintf("Failed to delete table: %v, err: %v", table.Name, err))
}
if _, err := sess.Exec("SET FOREIGN_KEY_CHECKS = 1"); err != nil {
panic("Failed to disable foreign key checks")
}
}
}
var indexTypes = []string{"Unknown", "", "UNIQUE"}
func TestMigrations(t *testing.T) {
log.NewLogger(0, "console", `{"level": 0}`)
testDBs := [][]string{
[]string{"mysql", "grafana:password@tcp(localhost:3306)/grafana_tests?charset=utf8"},
[]string{"sqlite3", ":memory:"},
}
for _, testDB := range testDBs {
Convey("Initial "+testDB[0]+" migration", t, func() {
x, err := xorm.NewEngine(testDB[0], testDB[1])
So(err, ShouldBeNil)
if testDB[0] == "mysql" {
cleanDB(x)
}
mg := NewMigrator(x)
AddMigrations(mg)
err = mg.Start()
So(err, ShouldBeNil)
tables, err := x.DBMetas()
So(err, ShouldBeNil)
So(len(tables), ShouldEqual, 2)
fmt.Printf("\nDB Schema after migration: table count: %v\n", len(tables))
for _, table := range tables {
fmt.Printf("\nTable: %v \n", table.Name)
for _, column := range table.Columns() {
fmt.Printf("\t %v \n", column.String(x.Dialect()))
}
if len(table.Indexes) > 0 {
fmt.Printf("\n\tIndexes:\n")
for _, index := range table.Indexes {
fmt.Printf("\t %v (%v) %v \n", index.Name, strings.Join(index.Cols, ","), indexTypes[index.Type])
}
}
}
})
}
}