/
associations_test.go
287 lines (230 loc) · 8.18 KB
/
associations_test.go
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package tests_test
import (
"testing"
"gorm.io/gorm"
. "gorm.io/gorm/utils/tests"
)
func AssertAssociationCount(t *testing.T, data interface{}, name string, result int64, reason string) {
if count := DB.Model(data).Association(name).Count(); count != result {
t.Fatalf("invalid %v count %v, expects: %v got %v", name, reason, result, count)
}
var newUser User
if user, ok := data.(User); ok {
DB.Find(&newUser, "id = ?", user.ID)
} else if user, ok := data.(*User); ok {
DB.Find(&newUser, "id = ?", user.ID)
}
if newUser.ID != 0 {
if count := DB.Model(&newUser).Association(name).Count(); count != result {
t.Fatalf("invalid %v count %v, expects: %v got %v", name, reason, result, count)
}
}
}
func TestInvalidAssociation(t *testing.T) {
user := *GetUser("invalid", Config{Company: true, Manager: true})
if err := DB.Model(&user).Association("Invalid").Find(&user.Company).Error; err == nil {
t.Fatalf("should return errors for invalid association, but got nil")
}
}
func TestAssociationNotNullClear(t *testing.T) {
type Profile struct {
gorm.Model
Number string
MemberID uint `gorm:"not null"`
}
type Member struct {
gorm.Model
Profiles []Profile
}
DB.Migrator().DropTable(&Member{}, &Profile{})
if err := DB.AutoMigrate(&Member{}, &Profile{}); err != nil {
t.Fatalf("Failed to migrate, got error: %v", err)
}
member := &Member{
Profiles: []Profile{{
Number: "1",
}, {
Number: "2",
}},
}
if err := DB.Create(&member).Error; err != nil {
t.Fatalf("Failed to create test data, got error: %v", err)
}
if err := DB.Model(member).Association("Profiles").Clear(); err == nil {
t.Fatalf("No error occurred during clearind not null association")
}
}
func TestForeignKeyConstraints(t *testing.T) {
type Profile struct {
ID uint
Name string
MemberID uint
}
type Member struct {
ID uint
Refer uint `gorm:"uniqueIndex"`
Name string
Profile Profile `gorm:"Constraint:OnUpdate:CASCADE,OnDelete:CASCADE;FOREIGNKEY:MemberID;References:Refer"`
}
DB.Migrator().DropTable(&Profile{}, &Member{})
if err := DB.AutoMigrate(&Profile{}, &Member{}); err != nil {
t.Fatalf("Failed to migrate, got error: %v", err)
}
member := Member{Refer: 1, Name: "foreign_key_constraints", Profile: Profile{Name: "my_profile"}}
DB.Create(&member)
var profile Profile
if err := DB.First(&profile, "id = ?", member.Profile.ID).Error; err != nil {
t.Fatalf("failed to find profile, got error: %v", err)
} else if profile.MemberID != member.ID {
t.Fatalf("member id is not equal: expects: %v, got: %v", member.ID, profile.MemberID)
}
member.Profile = Profile{}
DB.Model(&member).Update("Refer", 100)
var profile2 Profile
if err := DB.First(&profile2, "id = ?", profile.ID).Error; err != nil {
t.Fatalf("failed to find profile, got error: %v", err)
} else if profile2.MemberID != 100 {
t.Fatalf("member id is not equal: expects: %v, got: %v", 100, profile2.MemberID)
}
if r := DB.Delete(&member); r.Error != nil || r.RowsAffected != 1 {
t.Fatalf("Should delete member, got error: %v, affected: %v", r.Error, r.RowsAffected)
}
var result Member
if err := DB.First(&result, member.ID).Error; err == nil {
t.Fatalf("Should not find deleted member")
}
if err := DB.First(&profile2, profile.ID).Error; err == nil {
t.Fatalf("Should not find deleted profile")
}
}
func TestForeignKeyConstraintsBelongsTo(t *testing.T) {
type Profile struct {
ID uint
Name string
Refer uint `gorm:"uniqueIndex"`
}
type Member struct {
ID uint
Name string
ProfileID uint
Profile Profile `gorm:"Constraint:OnUpdate:CASCADE,OnDelete:CASCADE;FOREIGNKEY:ProfileID;References:Refer"`
}
DB.Migrator().DropTable(&Profile{}, &Member{})
if err := DB.AutoMigrate(&Profile{}, &Member{}); err != nil {
t.Fatalf("Failed to migrate, got error: %v", err)
}
member := Member{Name: "foreign_key_constraints_belongs_to", Profile: Profile{Name: "my_profile_belongs_to", Refer: 1}}
DB.Create(&member)
var profile Profile
if err := DB.First(&profile, "id = ?", member.Profile.ID).Error; err != nil {
t.Fatalf("failed to find profile, got error: %v", err)
} else if profile.Refer != member.ProfileID {
t.Fatalf("member id is not equal: expects: %v, got: %v", profile.Refer, member.ProfileID)
}
DB.Model(&profile).Update("Refer", 100)
var member2 Member
if err := DB.First(&member2, "id = ?", member.ID).Error; err != nil {
t.Fatalf("failed to find member, got error: %v", err)
} else if member2.ProfileID != 100 {
t.Fatalf("member id is not equal: expects: %v, got: %v", 100, member2.ProfileID)
}
if r := DB.Delete(&profile); r.Error != nil || r.RowsAffected != 1 {
t.Fatalf("Should delete member, got error: %v, affected: %v", r.Error, r.RowsAffected)
}
var result Member
if err := DB.First(&result, member.ID).Error; err == nil {
t.Fatalf("Should not find deleted member")
}
if err := DB.First(&profile, profile.ID).Error; err == nil {
t.Fatalf("Should not find deleted profile")
}
}
func TestFullSaveAssociations(t *testing.T) {
coupon := &Coupon{
AppliesToProduct: []*CouponProduct{
{ProductId: "full-save-association-product1"},
},
AmountOff: 10,
PercentOff: 0.0,
}
err := DB.
Session(&gorm.Session{FullSaveAssociations: true}).
Create(coupon).Error
if err != nil {
t.Errorf("Failed, got error: %v", err)
}
if DB.First(&Coupon{}, "id = ?", coupon.ID).Error != nil {
t.Errorf("Failed to query saved coupon")
}
if DB.First(&CouponProduct{}, "coupon_id = ? AND product_id = ?", coupon.ID, "full-save-association-product1").Error != nil {
t.Errorf("Failed to query saved association")
}
orders := []Order{{Num: "order1", Coupon: coupon}, {Num: "order2", Coupon: coupon}}
if err := DB.Create(&orders).Error; err != nil {
t.Errorf("failed to create orders, got %v", err)
}
coupon2 := Coupon{
AppliesToProduct: []*CouponProduct{{Desc: "coupon-description"}},
}
DB.Session(&gorm.Session{FullSaveAssociations: true}).Create(&coupon2)
var result Coupon
if err := DB.Preload("AppliesToProduct").First(&result, "id = ?", coupon2.ID).Error; err != nil {
t.Errorf("Failed to create coupon w/o name, got error: %v", err)
}
if len(result.AppliesToProduct) != 1 {
t.Errorf("Failed to preload AppliesToProduct")
}
}
func TestSaveBelongsCircularReference(t *testing.T) {
parent := Parent{}
DB.Create(&parent)
child := Child{ParentID: &parent.ID, Parent: &parent}
DB.Create(&child)
parent.FavChildID = child.ID
parent.FavChild = &child
DB.Save(&parent)
var parent1 Parent
DB.First(&parent1, parent.ID)
AssertObjEqual(t, parent, parent1, "ID", "FavChildID")
// Save and Updates is the same
DB.Updates(&parent)
DB.First(&parent1, parent.ID)
AssertObjEqual(t, parent, parent1, "ID", "FavChildID")
}
func TestSaveHasManyCircularReference(t *testing.T) {
parent := Parent{}
DB.Create(&parent)
child := Child{ParentID: &parent.ID, Parent: &parent, Name: "HasManyCircularReference"}
child1 := Child{ParentID: &parent.ID, Parent: &parent, Name: "HasManyCircularReference1"}
parent.Children = []*Child{&child, &child1}
DB.Save(&parent)
var children []*Child
DB.Where("parent_id = ?", parent.ID).Find(&children)
if len(children) != len(parent.Children) ||
children[0].ID != parent.Children[0].ID ||
children[1].ID != parent.Children[1].ID {
t.Errorf("circular reference children save not equal children:%v parent.Children:%v",
children, parent.Children)
}
}
func TestAssociationError(t *testing.T) {
DB = DB.Debug()
user := *GetUser("TestAssociationError", Config{Pets: 2, Company: true, Account: true, Languages: 2})
DB.Create(&user)
var user1 User
DB.Preload("Company").Preload("Pets").Preload("Account").Preload("Languages").First(&user1)
var emptyUser User
var err error
// belongs to
err = DB.Model(&emptyUser).Association("Company").Delete(&user1.Company)
AssertEqual(t, err, gorm.ErrPrimaryKeyRequired)
// has many
err = DB.Model(&emptyUser).Association("Pets").Delete(&user1.Pets)
AssertEqual(t, err, gorm.ErrPrimaryKeyRequired)
// has one
err = DB.Model(&emptyUser).Association("Account").Delete(&user1.Account)
AssertEqual(t, err, gorm.ErrPrimaryKeyRequired)
// many to many
err = DB.Model(&emptyUser).Association("Languages").Delete(&user1.Languages)
AssertEqual(t, err, gorm.ErrPrimaryKeyRequired)
}