116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
package tests_test
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import (
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"context"
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"sync"
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"testing"
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"time"
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"gorm.io/gorm"
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. "gorm.io/gorm/utils/tests"
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)
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func TestPreparedStmt(t *testing.T) {
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tx := DB.Session(&gorm.Session{PrepareStmt: true})
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if _, ok := tx.ConnPool.(*gorm.PreparedStmtDB); !ok {
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t.Fatalf("should assign PreparedStatement Manager back to database when using PrepareStmt mode")
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}
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ctx, cancel := context.WithTimeout(context.Background(), 500*time.Millisecond)
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defer cancel()
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txCtx := tx.WithContext(ctx)
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user := *GetUser("prepared_stmt", Config{})
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txCtx.Create(&user)
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var result1 User
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if err := txCtx.Find(&result1, user.ID).Error; err != nil {
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t.Fatalf("no error should happen but got %v", err)
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}
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time.Sleep(time.Second)
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var result2 User
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if err := tx.Find(&result2, user.ID).Error; err != nil {
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t.Fatalf("no error should happen but got %v", err)
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}
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user2 := *GetUser("prepared_stmt2", Config{})
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if err := txCtx.Create(&user2).Error; err == nil {
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t.Fatalf("should failed to create with timeout context")
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}
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if err := tx.Create(&user2).Error; err != nil {
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t.Fatalf("failed to create, got error %v", err)
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}
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var result3 User
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if err := tx.Find(&result3, user2.ID).Error; err != nil {
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t.Fatalf("no error should happen but got %v", err)
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}
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}
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func TestPreparedStmtFromTransaction(t *testing.T) {
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db := DB.Session(&gorm.Session{PrepareStmt: true, SkipDefaultTransaction: true})
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tx := db.Begin()
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defer func() {
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if r := recover(); r != nil {
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tx.Rollback()
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}
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}()
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if err := tx.Error; err != nil {
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t.Errorf("Failed to start transaction, got error %v\n", err)
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}
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if err := tx.Where("name=?", "zzjin").Delete(&User{}).Error; err != nil {
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tx.Rollback()
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t.Errorf("Failed to run one transaction, got error %v\n", err)
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}
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if err := tx.Create(&User{Name: "zzjin"}).Error; err != nil {
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tx.Rollback()
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t.Errorf("Failed to run one transaction, got error %v\n", err)
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}
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if err := tx.Commit().Error; err != nil {
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t.Errorf("Failed to commit transaction, got error %v\n", err)
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}
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if result := db.Where("name=?", "zzjin").Delete(&User{}); result.Error != nil || result.RowsAffected != 1 {
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t.Fatalf("Failed, got error: %v, rows affected: %v", result.Error, result.RowsAffected)
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}
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tx2 := db.Begin()
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if result := tx2.Where("name=?", "zzjin").Delete(&User{}); result.Error != nil || result.RowsAffected != 0 {
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t.Fatalf("Failed, got error: %v, rows affected: %v", result.Error, result.RowsAffected)
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}
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tx2.Commit()
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}
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func TestPreparedStmtDeadlock(t *testing.T) {
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tx, err := OpenTestConnection()
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AssertEqual(t, err, nil)
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sqlDB, _ := tx.DB()
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sqlDB.SetMaxOpenConns(1)
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tx = tx.Session(&gorm.Session{PrepareStmt: true})
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wg := sync.WaitGroup{}
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for i := 0; i < 2; i++ {
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wg.Add(1)
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go func(j int) {
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user := User{Name: "jinzhu"}
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tx.Create(&user)
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var result User
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tx.First(&result)
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wg.Done()
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}(i)
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}
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wg.Wait()
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}
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