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| 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)
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)
AssertAssociationCount(t, user, "Company", 1, "") AssertAssociationCount(t, user, "Manager", 1, "")
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")
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")
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")
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")
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")
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, "")
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)) }
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") }
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")
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")
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) }
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)) }
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)) } }
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