gorm/preload_test.go

88 lines
2.0 KiB
Go

package gorm_test
import "testing"
func getPreloadUser(name string) *User {
return getPreparedUser(name, "Preload")
}
func checkUserHasPreloadData(user User, t *testing.T) {
u := getPreloadUser(user.Name)
if user.BillingAddress.Address1 != u.BillingAddress.Address1 {
t.Error("Failed to preload user's BillingAddress")
}
if user.ShippingAddress.Address1 != u.ShippingAddress.Address1 {
t.Error("Failed to preload user's ShippingAddress")
}
if user.CreditCard.Number != u.CreditCard.Number {
t.Error("Failed to preload user's CreditCard")
}
if user.Company.Name != u.Company.Name {
t.Error("Failed to preload user's Company")
}
if len(user.Emails) != len(u.Emails) {
t.Error("Failed to preload user's Emails")
} else {
var found int
for _, e1 := range u.Emails {
for _, e2 := range user.Emails {
if e1.Email == e2.Email {
found++
break
}
}
}
if found != len(u.Emails) {
t.Error("Failed to preload user's email details")
}
}
}
func TestPreload(t *testing.T) {
user1 := getPreloadUser("user1")
DB.Save(user1)
preloadDB := DB.Where("role = ?", "Preload").Preload("BillingAddress").Preload("ShippingAddress").
Preload("CreditCard").Preload("Emails").Preload("Company")
var user User
preloadDB.Find(&user)
checkUserHasPreloadData(user, t)
user2 := getPreloadUser("user2")
DB.Save(user2)
user3 := getPreloadUser("user3")
DB.Save(user3)
var users []User
preloadDB.Find(&users)
for _, user := range users {
checkUserHasPreloadData(user, t)
}
var users2 []*User
preloadDB.Find(&users2)
for _, user := range users2 {
checkUserHasPreloadData(*user, t)
}
var users3 []*User
preloadDB.Preload("Emails", "email = ?", user3.Emails[0].Email).Find(&users3)
for _, user := range users3 {
if user.Name == user3.Name {
if len(user.Emails) != 1 {
t.Errorf("should only preload one emails for user3 when with condition")
}
} else if len(user.Emails) != 0 {
t.Errorf("should not preload any emails for other users when with condition")
}
}
}