gorm/tests/associations_belongs_to_tes...

309 lines
9.3 KiB
Go

package tests_test
import (
"testing"
"gorm.io/gorm"
. "gorm.io/gorm/utils/tests"
)
func TestBelongsToAssociation(t *testing.T) {
user := *GetUser("belongs-to", Config{Company: true, Manager: true})
if err := DB.Create(&user).Error; err != nil {
t.Fatalf("errors happened when create: %v", err)
}
CheckUser(t, user, user)
// Find
var user2 User
DB.Find(&user2, "id = ?", user.ID)
pointerOfUser := &user2
if err := DB.Model(&pointerOfUser).Association("Company").Find(&user2.Company); err != nil {
t.Errorf("failed to query users, got error %#v", err)
}
user2.Manager = &User{}
DB.Model(&user2).Association("Manager").Find(user2.Manager)
CheckUser(t, user2, user)
// Count
AssertAssociationCount(t, user, "Company", 1, "")
AssertAssociationCount(t, user, "Manager", 1, "")
// Append
company := Company{Name: "company-belongs-to-append"}
manager := GetUser("manager-belongs-to-append", Config{})
if err := DB.Model(&user2).Association("Company").Append(&company); err != nil {
t.Fatalf("Error happened when append Company, got %v", err)
}
if company.ID == 0 {
t.Fatalf("Company's ID should be created")
}
if err := DB.Model(&user2).Association("Manager").Append(manager); err != nil {
t.Fatalf("Error happened when append Manager, got %v", err)
}
if manager.ID == 0 {
t.Fatalf("Manager's ID should be created")
}
user.Company = company
user.Manager = manager
user.CompanyID = &company.ID
user.ManagerID = &manager.ID
CheckUser(t, user2, user)
AssertAssociationCount(t, user2, "Company", 1, "AfterAppend")
AssertAssociationCount(t, user2, "Manager", 1, "AfterAppend")
// Replace
company2 := Company{Name: "company-belongs-to-replace"}
manager2 := GetUser("manager-belongs-to-replace", Config{})
if err := DB.Model(&user2).Association("Company").Replace(&company2); err != nil {
t.Fatalf("Error happened when replace Company, got %v", err)
}
if company2.ID == 0 {
t.Fatalf("Company's ID should be created")
}
if err := DB.Model(&user2).Association("Manager").Replace(manager2); err != nil {
t.Fatalf("Error happened when replace Manager, got %v", err)
}
if manager2.ID == 0 {
t.Fatalf("Manager's ID should be created")
}
user.Company = company2
user.Manager = manager2
user.CompanyID = &company2.ID
user.ManagerID = &manager2.ID
CheckUser(t, user2, user)
AssertAssociationCount(t, user2, "Company", 1, "AfterReplace")
AssertAssociationCount(t, user2, "Manager", 1, "AfterReplace")
// Delete
if err := DB.Model(&user2).Association("Company").Delete(&Company{}); err != nil {
t.Fatalf("Error happened when delete Company, got %v", err)
}
AssertAssociationCount(t, user2, "Company", 1, "after delete non-existing data")
if err := DB.Model(&user2).Association("Company").Delete(&company2); err != nil {
t.Fatalf("Error happened when delete Company, got %v", err)
}
AssertAssociationCount(t, user2, "Company", 0, "after delete")
if err := DB.Model(&user2).Association("Manager").Delete(&User{}); err != nil {
t.Fatalf("Error happened when delete Manager, got %v", err)
}
AssertAssociationCount(t, user2, "Manager", 1, "after delete non-existing data")
if err := DB.Model(&user2).Association("Manager").Delete(manager2); err != nil {
t.Fatalf("Error happened when delete Manager, got %v", err)
}
AssertAssociationCount(t, user2, "Manager", 0, "after delete")
// Prepare Data for Clear
if err := DB.Model(&user2).Association("Company").Append(&company); err != nil {
t.Fatalf("Error happened when append Company, got %v", err)
}
if err := DB.Model(&user2).Association("Manager").Append(manager); err != nil {
t.Fatalf("Error happened when append Manager, got %v", err)
}
AssertAssociationCount(t, user2, "Company", 1, "after prepare data")
AssertAssociationCount(t, user2, "Manager", 1, "after prepare data")
// Clear
if err := DB.Model(&user2).Association("Company").Clear(); err != nil {
t.Errorf("Error happened when clear Company, got %v", err)
}
if err := DB.Model(&user2).Association("Manager").Clear(); err != nil {
t.Errorf("Error happened when clear Manager, got %v", err)
}
AssertAssociationCount(t, user2, "Company", 0, "after clear")
AssertAssociationCount(t, user2, "Manager", 0, "after clear")
// unexist company id
unexistCompanyID := company.ID + 9999999
user = User{Name: "invalid-user-with-invalid-belongs-to-foreign-key", CompanyID: &unexistCompanyID}
if err := DB.Create(&user).Error; err == nil {
tidbSkip(t, "not support the foreign key feature")
t.Errorf("should have gotten foreign key violation error")
}
}
func TestBelongsToAssociationForSlice(t *testing.T) {
users := []User{
*GetUser("slice-belongs-to-1", Config{Company: true, Manager: true}),
*GetUser("slice-belongs-to-2", Config{Company: true, Manager: false}),
*GetUser("slice-belongs-to-3", Config{Company: true, Manager: true}),
}
DB.Create(&users)
AssertAssociationCount(t, users, "Company", 3, "")
AssertAssociationCount(t, users, "Manager", 2, "")
// Find
var companies []Company
if DB.Model(&users).Association("Company").Find(&companies); len(companies) != 3 {
t.Errorf("companies count should be %v, but got %v", 3, len(companies))
}
var managers []User
if DB.Model(&users).Association("Manager").Find(&managers); len(managers) != 2 {
t.Errorf("managers count should be %v, but got %v", 2, len(managers))
}
// Append
DB.Model(&users).Association("Company").Append(
&Company{Name: "company-slice-append-1"},
&Company{Name: "company-slice-append-2"},
&Company{Name: "company-slice-append-3"},
)
AssertAssociationCount(t, users, "Company", 3, "After Append")
DB.Model(&users).Association("Manager").Append(
GetUser("manager-slice-belongs-to-1", Config{}),
GetUser("manager-slice-belongs-to-2", Config{}),
GetUser("manager-slice-belongs-to-3", Config{}),
)
AssertAssociationCount(t, users, "Manager", 3, "After Append")
if err := DB.Model(&users).Association("Manager").Append(
GetUser("manager-slice-belongs-to-test-1", Config{}),
).Error; err == nil {
t.Errorf("unmatched length when update user's manager")
}
// Replace -> same as append
// Delete
if err := DB.Model(&users).Association("Company").Delete(&users[0].Company); err != nil {
t.Errorf("no error should happened when deleting company, but got %v", err)
}
if users[0].CompanyID != nil || users[0].Company.ID != 0 {
t.Errorf("users[0]'s company should be deleted'")
}
AssertAssociationCount(t, users, "Company", 2, "After Delete")
// Clear
DB.Model(&users).Association("Company").Clear()
AssertAssociationCount(t, users, "Company", 0, "After Clear")
DB.Model(&users).Association("Manager").Clear()
AssertAssociationCount(t, users, "Manager", 0, "After Clear")
// shared company
company := Company{Name: "shared"}
if err := DB.Model(&users[0]).Association("Company").Append(&company); err != nil {
t.Errorf("Error happened when append company to user, got %v", err)
}
if err := DB.Model(&users[1]).Association("Company").Append(&company); err != nil {
t.Errorf("Error happened when append company to user, got %v", err)
}
if users[0].CompanyID == nil || users[1].CompanyID == nil || *users[0].CompanyID != *users[1].CompanyID {
t.Errorf("user's company id should exists and equal, but its: %v, %v", users[0].CompanyID, users[1].CompanyID)
}
DB.Model(&users[0]).Association("Company").Delete(&company)
AssertAssociationCount(t, users[0], "Company", 0, "After Delete")
AssertAssociationCount(t, users[1], "Company", 1, "After other user Delete")
}
func TestBelongsToDefaultValue(t *testing.T) {
type Org struct {
ID string
}
type BelongsToUser struct {
OrgID string
Org Org `gorm:"default:NULL"`
}
tx := DB.Session(&gorm.Session{})
tx.Config.DisableForeignKeyConstraintWhenMigrating = true
AssertEqual(t, DB.Config.DisableForeignKeyConstraintWhenMigrating, false)
tx.Migrator().DropTable(&BelongsToUser{}, &Org{})
tx.AutoMigrate(&BelongsToUser{}, &Org{})
user := &BelongsToUser{
Org: Org{
ID: "BelongsToUser_Org_1",
},
}
err := DB.Create(&user).Error
AssertEqual(t, err, nil)
}
func TestBelongsToAssociationUnscoped(t *testing.T) {
type ItemParent struct {
gorm.Model
Logo string `gorm:"not null;type:varchar(50)"`
}
type ItemChild struct {
gorm.Model
Name string `gorm:"type:varchar(50)"`
ItemParentID uint
ItemParent ItemParent
}
tx := DB.Session(&gorm.Session{})
tx.Migrator().DropTable(&ItemParent{}, &ItemChild{})
tx.AutoMigrate(&ItemParent{}, &ItemChild{})
item := ItemChild{
Name: "name",
ItemParent: ItemParent{
Logo: "logo",
},
}
if err := tx.Create(&item).Error; err != nil {
t.Fatalf("failed to create items, got error: %v", err)
}
tx = tx.Debug()
// test replace
if err := tx.Model(&item).Association("ItemParent").Unscoped().Replace(&ItemParent{
Logo: "updated logo",
}); err != nil {
t.Errorf("failed to replace item parent, got error: %v", err)
}
var parents []ItemParent
if err := tx.Find(&parents).Error; err != nil {
t.Errorf("failed to find item parent, got error: %v", err)
}
if len(parents) != 1 {
t.Errorf("expected %d parents, got %d", 1, len(parents))
}
// test delete
if err := tx.Model(&item).Association("ItemParent").Unscoped().Delete(&parents); err != nil {
t.Errorf("failed to delete item parent, got error: %v", err)
}
if err := tx.Find(&parents).Error; err != nil {
t.Errorf("failed to find item parent, got error: %v", err)
}
if len(parents) != 0 {
t.Errorf("expected %d parents, got %d", 0, len(parents))
}
}