gorm/association_test.go

194 lines
5.8 KiB
Go

package gorm_test
import "testing"
func TestHasOneAndHasManyAssociation(t *testing.T) {
db.DropTable(Category{})
db.DropTable(Post{})
db.DropTable(Comment{})
db.CreateTable(Category{})
db.CreateTable(Post{})
db.CreateTable(Comment{})
post := Post{
Title: "post 1",
Body: "body 1",
Comments: []Comment{{Content: "Comment 1"}, {Content: "Comment 2"}},
Category: Category{Name: "Category 1"},
MainCategory: Category{Name: "Main Category 1"},
}
if err := db.Save(&post).Error; err != nil {
t.Errorf("Got errors when save post")
}
if db.First(&Category{}, "name = ?", "Category 1").Error != nil {
t.Errorf("Category should be saved")
}
var p Post
db.First(&p, post.Id)
if post.CategoryId.Int64 == 0 || p.CategoryId.Int64 == 0 || post.MainCategoryId == 0 || p.MainCategoryId == 0 {
t.Errorf("Category Id should exist")
}
if db.First(&Comment{}, "content = ?", "Comment 1").Error != nil {
t.Errorf("Comment 1 should be saved")
}
if post.Comments[0].PostId == 0 {
t.Errorf("Comment Should have post id")
}
var comment Comment
if db.First(&comment, "content = ?", "Comment 2").Error != nil {
t.Errorf("Comment 2 should be saved")
}
if comment.PostId == 0 {
t.Errorf("Comment 2 Should have post id")
}
comment3 := Comment{Content: "Comment 3", Post: Post{Title: "Title 3", Body: "Body 3"}}
db.Save(&comment3)
}
func TestRelated(t *testing.T) {
user := User{
Name: "jinzhu",
BillingAddress: Address{Address1: "Billing Address - Address 1"},
ShippingAddress: Address{Address1: "Shipping Address - Address 1"},
Emails: []Email{{Email: "jinzhu@example.com"}, {Email: "jinzhu-2@example@example.com"}},
CreditCard: CreditCard{Number: "1234567890"},
}
db.Save(&user)
if user.CreditCard.Id == 0 {
t.Errorf("After user save, credit card should have id")
}
if user.BillingAddress.Id == 0 {
t.Errorf("After user save, billing address should have id")
}
if user.Emails[0].Id == 0 {
t.Errorf("After user save, billing address should have id")
}
var emails []Email
db.Model(&user).Related(&emails)
if len(emails) != 2 {
t.Errorf("Should have two emails")
}
var emails2 []Email
db.Model(&user).Where("email = ?", "jinzhu@example.com").Related(&emails2)
if len(emails2) != 1 {
t.Errorf("Should have two emails")
}
var user1 User
db.Model(&user).Related(&user1.Emails)
if len(user1.Emails) != 2 {
t.Errorf("Should have only one email match related condition")
}
var address1 Address
db.Model(&user).Related(&address1, "BillingAddressId")
if address1.Address1 != "Billing Address - Address 1" {
t.Errorf("Should get billing address from user correctly")
}
user1 = User{}
db.Model(&address1).Related(&user1, "BillingAddressId")
if db.NewRecord(user1) {
t.Errorf("Should get user from address correctly")
}
var user2 User
db.Model(&emails[0]).Related(&user2)
if user2.Id != user.Id || user2.Name != user.Name {
t.Errorf("Should get user from email correctly")
}
var creditcard CreditCard
var user3 User
db.First(&creditcard, "number = ?", "1234567890")
db.Model(&creditcard).Related(&user3)
if user3.Id != user.Id || user3.Name != user.Name {
t.Errorf("Should get user from credit card correctly")
}
if !db.Model(&CreditCard{}).Related(&User{}).RecordNotFound() {
t.Errorf("RecordNotFound for Related")
}
}
func TestManyToMany(t *testing.T) {
db.Raw("delete from languages")
var languages = []Language{{Name: "ZH"}, {Name: "EN"}}
user := User{Name: "Many2Many", Languages: languages}
db.Save(&user)
// Query
var newLanguages []Language
db.Model(&user).Related(&newLanguages, "Languages")
if len(newLanguages) != len([]string{"ZH", "EN"}) {
t.Errorf("Query many to many relations")
}
newLanguages = []Language{}
db.Model(&user).Association("Languages").Find(&newLanguages)
if len(newLanguages) != len([]string{"ZH", "EN"}) {
t.Errorf("Should be able to find many to many relations")
}
if db.Model(&user).Association("Languages").Count() != len([]string{"ZH", "EN"}) {
t.Errorf("Count should return correct result")
}
// Append
db.Model(&user).Association("Languages").Append(&Language{Name: "DE"})
if db.Where("name = ?", "DE").First(&Language{}).RecordNotFound() {
t.Errorf("New record should be saved when append")
}
languageA := Language{Name: "AA"}
db.Save(&languageA)
db.Model(&User{Id: user.Id}).Association("Languages").Append(languageA)
languageC := Language{Name: "CC"}
db.Save(&languageC)
db.Model(&user).Association("Languages").Append(&[]Language{{Name: "BB"}, languageC})
db.Model(&User{Id: user.Id}).Association("Languages").Append([]Language{{Name: "DD"}, {Name: "EE"}})
totalLanguages := []string{"ZH", "EN", "DE", "AA", "BB", "CC", "DD", "EE"}
if db.Model(&user).Association("Languages").Count() != len(totalLanguages) {
t.Errorf("All appended languages should be saved")
}
// Delete
var language Language
db.Where("name = ?", "EE").First(&language)
db.Model(&user).Association("Languages").Delete(language, &language)
if db.Model(&user).Association("Languages").Count() != len(totalLanguages)-1 {
t.Errorf("Relations should be deleted with Delete")
}
if db.Where("name = ?", "EE").First(&Language{}).RecordNotFound() {
t.Errorf("Language EE should not be deleted")
}
languages = []Language{}
db.Where("name IN (?)", []string{"CC", "DD"}).Find(&languages)
db.Model(&user).Association("Languages").Delete(languages, &languages)
if db.Model(&user).Association("Languages").Count() != len(totalLanguages)-3 {
t.Errorf("Relations should be deleted with Delete")
}
// db.Model(&User{}).Many2Many("Languages").Replace(&[]Language{})
// db.Model(&User{}).Related(&[]Language{}, "Languages")
// SELECT `languages`.* FROM `languages` INNER JOIN `user_languages` ON `languages`.`id` = `user_languages`.`language_id` WHERE `user_languages`.`user_id` = 111
}