mirror of https://github.com/go-gorm/gorm.git
770 lines
16 KiB
Go
770 lines
16 KiB
Go
package gorm_test
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import (
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"encoding/json"
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"reflect"
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"testing"
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)
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func getPreloadUser(name string) *User {
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return getPreparedUser(name, "Preload")
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}
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func checkUserHasPreloadData(user User, t *testing.T) {
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u := getPreloadUser(user.Name)
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if user.BillingAddress.Address1 != u.BillingAddress.Address1 {
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t.Error("Failed to preload user's BillingAddress")
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}
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if user.ShippingAddress.Address1 != u.ShippingAddress.Address1 {
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t.Error("Failed to preload user's ShippingAddress")
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}
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if user.CreditCard.Number != u.CreditCard.Number {
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t.Error("Failed to preload user's CreditCard")
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}
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if user.Company.Name != u.Company.Name {
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t.Error("Failed to preload user's Company")
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}
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if len(user.Emails) != len(u.Emails) {
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t.Error("Failed to preload user's Emails")
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} else {
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var found int
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for _, e1 := range u.Emails {
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for _, e2 := range user.Emails {
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if e1.Email == e2.Email {
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found++
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break
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}
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}
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}
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if found != len(u.Emails) {
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t.Error("Failed to preload user's email details")
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}
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}
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}
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func TestPreload(t *testing.T) {
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user1 := getPreloadUser("user1")
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DB.Save(user1)
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preloadDB := DB.Where("role = ?", "Preload").Preload("BillingAddress").Preload("ShippingAddress").
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Preload("CreditCard").Preload("Emails").Preload("Company")
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var user User
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preloadDB.Find(&user)
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checkUserHasPreloadData(user, t)
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user2 := getPreloadUser("user2")
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DB.Save(user2)
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user3 := getPreloadUser("user3")
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DB.Save(user3)
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var users []User
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preloadDB.Find(&users)
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for _, user := range users {
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checkUserHasPreloadData(user, t)
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}
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var users2 []*User
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preloadDB.Find(&users2)
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for _, user := range users2 {
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checkUserHasPreloadData(*user, t)
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}
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var users3 []*User
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preloadDB.Preload("Emails", "email = ?", user3.Emails[0].Email).Find(&users3)
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for _, user := range users3 {
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if user.Name == user3.Name {
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if len(user.Emails) != 1 {
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t.Errorf("should only preload one emails for user3 when with condition")
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}
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} else if len(user.Emails) != 0 {
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t.Errorf("should not preload any emails for other users when with condition")
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}
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}
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}
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func TestNestedPreload1(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1 Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2 Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := Level3{Level2: Level2{Level1: Level1{Value: "value"}}}
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if err := DB.Create(&want).Error; err != nil {
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panic(err)
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}
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var got Level3
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if err := DB.Preload("Level2").Preload("Level2.Level1").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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func TestNestedPreload2(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1s []*Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2s []Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := Level3{
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Level2s: []Level2{
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{
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Level1s: []*Level1{
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&Level1{Value: "value1"},
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&Level1{Value: "value2"},
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},
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},
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{
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Level1s: []*Level1{
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&Level1{Value: "value3"},
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},
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},
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},
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}
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if err := DB.Create(&want).Error; err != nil {
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panic(err)
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}
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var got Level3
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if err := DB.Preload("Level2s.Level1s").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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func TestNestedPreload3(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1 Level1
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Level3ID uint
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}
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Level3 struct {
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Name string
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ID uint
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Level2s []Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := Level3{
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Level2s: []Level2{
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{Level1: Level1{Value: "value1"}},
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{Level1: Level1{Value: "value2"}},
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},
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}
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if err := DB.Create(&want).Error; err != nil {
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panic(err)
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}
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var got Level3
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if err := DB.Preload("Level2s.Level1").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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func TestNestedPreload4(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1s []Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2 Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := Level3{
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Level2: Level2{
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Level1s: []Level1{
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Level1{Value: "value1"},
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Level1{Value: "value2"},
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},
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},
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}
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if err := DB.Create(&want).Error; err != nil {
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panic(err)
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}
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var got Level3
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if err := DB.Preload("Level2.Level1s").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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// Slice: []Level3
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func TestNestedPreload5(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1 Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2 Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := make([]Level3, 2)
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want[0] = Level3{Level2: Level2{Level1: Level1{Value: "value"}}}
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if err := DB.Create(&want[0]).Error; err != nil {
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panic(err)
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}
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want[1] = Level3{Level2: Level2{Level1: Level1{Value: "value2"}}}
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if err := DB.Create(&want[1]).Error; err != nil {
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panic(err)
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}
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var got []Level3
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if err := DB.Preload("Level2").Preload("Level2.Level1").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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func TestNestedPreload6(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1s []Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2s []Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := make([]Level3, 2)
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want[0] = Level3{
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Level2s: []Level2{
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{
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Level1s: []Level1{
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{Value: "value1"},
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{Value: "value2"},
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},
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},
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{
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Level1s: []Level1{
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{Value: "value3"},
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},
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},
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},
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}
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if err := DB.Create(&want[0]).Error; err != nil {
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panic(err)
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}
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want[1] = Level3{
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Level2s: []Level2{
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{
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Level1s: []Level1{
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{Value: "value3"},
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{Value: "value4"},
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},
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},
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{
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Level1s: []Level1{
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{Value: "value5"},
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},
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},
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},
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}
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if err := DB.Create(&want[1]).Error; err != nil {
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panic(err)
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}
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var got []Level3
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if err := DB.Preload("Level2s.Level1s").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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func TestNestedPreload7(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1 Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2s []Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := make([]Level3, 2)
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want[0] = Level3{
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Level2s: []Level2{
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{Level1: Level1{Value: "value1"}},
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{Level1: Level1{Value: "value2"}},
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},
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}
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if err := DB.Create(&want[0]).Error; err != nil {
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panic(err)
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}
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want[1] = Level3{
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Level2s: []Level2{
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{Level1: Level1{Value: "value3"}},
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{Level1: Level1{Value: "value4"}},
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},
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}
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if err := DB.Create(&want[1]).Error; err != nil {
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panic(err)
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}
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var got []Level3
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if err := DB.Preload("Level2s.Level1").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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func TestNestedPreload8(t *testing.T) {
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type (
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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}
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Level2 struct {
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ID uint
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Level1s []Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2 Level2
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level1{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}).Error; err != nil {
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panic(err)
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}
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want := make([]Level3, 2)
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want[0] = Level3{
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Level2: Level2{
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Level1s: []Level1{
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Level1{Value: "value1"},
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Level1{Value: "value2"},
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},
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},
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}
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if err := DB.Create(&want[0]).Error; err != nil {
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panic(err)
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}
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want[1] = Level3{
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Level2: Level2{
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Level1s: []Level1{
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Level1{Value: "value3"},
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Level1{Value: "value4"},
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},
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},
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}
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if err := DB.Create(&want[1]).Error; err != nil {
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panic(err)
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}
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var got []Level3
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if err := DB.Preload("Level2.Level1s").Find(&got).Error; err != nil {
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panic(err)
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}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
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}
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}
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func TestNestedPreload9(t *testing.T) {
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type (
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Level0 struct {
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ID uint
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Value string
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Level1ID uint
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}
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Level1 struct {
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ID uint
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Value string
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Level2ID uint
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Level2_1ID uint
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Level0s []Level0
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}
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Level2 struct {
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ID uint
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Level1s []Level1
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Level3ID uint
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}
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Level2_1 struct {
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ID uint
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Level1s []Level1
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Level3ID uint
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}
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Level3 struct {
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ID uint
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Name string
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Level2 Level2
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Level2_1 Level2_1
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}
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)
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DB.DropTableIfExists(&Level3{})
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DB.DropTableIfExists(&Level2{})
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DB.DropTableIfExists(&Level2_1{})
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DB.DropTableIfExists(&Level1{})
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DB.DropTableIfExists(&Level0{})
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if err := DB.AutoMigrate(&Level3{}, &Level2{}, &Level1{}, &Level2_1{}, &Level0{}).Error; err != nil {
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panic(err)
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}
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want := make([]Level3, 2)
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want[0] = Level3{
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Level2: Level2{
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Level1s: []Level1{
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Level1{Value: "value1"},
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Level1{Value: "value2"},
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},
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},
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Level2_1: Level2_1{
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Level1s: []Level1{
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Level1{
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Value: "value1-1",
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Level0s: []Level0{{Value: "Level0-1"}},
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},
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Level1{
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Value: "value2-2",
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Level0s: []Level0{{Value: "Level0-2"}},
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},
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},
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},
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}
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if err := DB.Create(&want[0]).Error; err != nil {
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panic(err)
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}
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want[1] = Level3{
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Level2: Level2{
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Level1s: []Level1{
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Level1{Value: "value3"},
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Level1{Value: "value4"},
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},
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},
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Level2_1: Level2_1{
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Level1s: []Level1{
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Level1{Value: "value3-3"},
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Level1{Value: "value4-4"},
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},
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},
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}
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if err := DB.Create(&want[1]).Error; err != nil {
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panic(err)
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}
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|
|
var got []Level3
|
|
if err := DB.Preload("Level2").Preload("Level2.Level1s").Preload("Level2_1").Preload("Level2_1.Level1s").Preload("Level2_1.Level1s.Level0s").Find(&got).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got, want) {
|
|
t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
|
|
}
|
|
}
|
|
|
|
func TestManyToManyPreload(t *testing.T) {
|
|
type (
|
|
Level1 struct {
|
|
ID uint `gorm:"primary_key;"`
|
|
Value string
|
|
}
|
|
Level2 struct {
|
|
ID uint `gorm:"primary_key;"`
|
|
Value string
|
|
Level1s []Level1 `gorm:"many2many:levels;"`
|
|
}
|
|
)
|
|
|
|
DB.DropTableIfExists(&Level2{})
|
|
DB.DropTableIfExists(&Level1{})
|
|
|
|
if err := DB.AutoMigrate(&Level2{}, &Level1{}).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
want := Level2{Value: "Bob", Level1s: []Level1{
|
|
{Value: "ru"},
|
|
{Value: "en"},
|
|
}}
|
|
if err := DB.Save(&want).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
want2 := Level2{Value: "Tom", Level1s: []Level1{
|
|
{Value: "zh"},
|
|
{Value: "de"},
|
|
}}
|
|
if err := DB.Save(&want2).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
var got Level2
|
|
if err := DB.Preload("Level1s").Find(&got, "value = ?", "Bob").Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got, want) {
|
|
t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
|
|
}
|
|
|
|
var got2 Level2
|
|
if err := DB.Preload("Level1s").Find(&got2, "value = ?", "Tom").Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got2, want2) {
|
|
t.Errorf("got %s; want %s", toJSONString(got2), toJSONString(want2))
|
|
}
|
|
|
|
var got3 []Level2
|
|
if err := DB.Preload("Level1s").Find(&got3, "value IN (?)", []string{"Bob", "Tom"}).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got3, []Level2{got, got2}) {
|
|
t.Errorf("got %s; want %s", toJSONString(got3), toJSONString([]Level2{got, got2}))
|
|
}
|
|
|
|
var got4 []Level2
|
|
if err := DB.Preload("Level1s", "value IN (?)", []string{"zh", "ru"}).Find(&got4, "value IN (?)", []string{"Bob", "Tom"}).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
var ruLevel1 Level1
|
|
var zhLevel1 Level1
|
|
DB.First(&ruLevel1, "value = ?", "ru")
|
|
DB.First(&zhLevel1, "value = ?", "zh")
|
|
|
|
got.Level1s = []Level1{ruLevel1}
|
|
got2.Level1s = []Level1{zhLevel1}
|
|
if !reflect.DeepEqual(got4, []Level2{got, got2}) {
|
|
t.Errorf("got %s; want %s", toJSONString(got4), toJSONString([]Level2{got, got2}))
|
|
}
|
|
}
|
|
|
|
func TestManyToManyPreloadForPointer(t *testing.T) {
|
|
type (
|
|
Level1 struct {
|
|
ID uint `gorm:"primary_key;"`
|
|
Value string
|
|
}
|
|
Level2 struct {
|
|
ID uint `gorm:"primary_key;"`
|
|
Value string
|
|
Level1s []*Level1 `gorm:"many2many:levels;"`
|
|
}
|
|
)
|
|
|
|
DB.DropTableIfExists(&Level2{})
|
|
DB.DropTableIfExists(&Level1{})
|
|
|
|
if err := DB.AutoMigrate(&Level2{}, &Level1{}).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
want := Level2{Value: "Bob", Level1s: []*Level1{
|
|
{Value: "ru"},
|
|
{Value: "en"},
|
|
}}
|
|
if err := DB.Save(&want).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
want2 := Level2{Value: "Tom", Level1s: []*Level1{
|
|
{Value: "zh"},
|
|
{Value: "de"},
|
|
}}
|
|
if err := DB.Save(&want2).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
var got Level2
|
|
if err := DB.Preload("Level1s").Find(&got, "value = ?", "Bob").Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got, want) {
|
|
t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
|
|
}
|
|
|
|
var got2 Level2
|
|
if err := DB.Preload("Level1s").Find(&got2, "value = ?", "Tom").Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got2, want2) {
|
|
t.Errorf("got %s; want %s", toJSONString(got2), toJSONString(want2))
|
|
}
|
|
|
|
var got3 []Level2
|
|
if err := DB.Preload("Level1s").Find(&got3, "value IN (?)", []string{"Bob", "Tom"}).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(got3, []Level2{got, got2}) {
|
|
t.Errorf("got %s; want %s", toJSONString(got3), toJSONString([]Level2{got, got2}))
|
|
}
|
|
|
|
var got4 []Level2
|
|
if err := DB.Preload("Level1s", "value IN (?)", []string{"zh", "ru"}).Find(&got4, "value IN (?)", []string{"Bob", "Tom"}).Error; err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
var ruLevel1 Level1
|
|
var zhLevel1 Level1
|
|
DB.First(&ruLevel1, "value = ?", "ru")
|
|
DB.First(&zhLevel1, "value = ?", "zh")
|
|
|
|
got.Level1s = []*Level1{&ruLevel1}
|
|
got2.Level1s = []*Level1{&zhLevel1}
|
|
if !reflect.DeepEqual(got4, []Level2{got, got2}) {
|
|
t.Errorf("got %s; want %s", toJSONString(got4), toJSONString([]Level2{got, got2}))
|
|
}
|
|
}
|
|
|
|
func toJSONString(v interface{}) []byte {
|
|
r, _ := json.MarshalIndent(v, "", " ")
|
|
return r
|
|
}
|