forked from mirror/gorm
139 lines
3.4 KiB
Go
139 lines
3.4 KiB
Go
package tests_test
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import (
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"sort"
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"strconv"
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"testing"
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"gorm.io/gorm/clause"
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. "gorm.io/gorm/tests"
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)
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func TestNestedPreload(t *testing.T) {
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var user = *GetUser("nested_preload", Config{Pets: 2})
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for idx, pet := range user.Pets {
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pet.Toy = Toy{Name: "toy_nested_preload_" + strconv.Itoa(idx+1)}
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}
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if err := DB.Create(&user).Error; err != nil {
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t.Fatalf("errors happened when create: %v", err)
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}
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var user2 User
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DB.Preload("Pets.Toy").Find(&user2, "id = ?", user.ID)
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CheckUser(t, user2, user)
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}
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func TestNestedPreloadForSlice(t *testing.T) {
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var users = []User{
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*GetUser("slice_nested_preload_1", Config{Pets: 2}),
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*GetUser("slice_nested_preload_2", Config{Pets: 0}),
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*GetUser("slice_nested_preload_3", Config{Pets: 3}),
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}
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for _, user := range users {
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for idx, pet := range user.Pets {
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pet.Toy = Toy{Name: user.Name + "_toy_nested_preload_" + strconv.Itoa(idx+1)}
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}
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}
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if err := DB.Create(&users).Error; err != nil {
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t.Fatalf("errors happened when create: %v", err)
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}
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var userIDs []uint
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for _, user := range users {
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userIDs = append(userIDs, user.ID)
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}
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var users2 []User
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DB.Preload("Pets.Toy").Find(&users2, "id IN ?", userIDs)
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for idx, user := range users2 {
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CheckUser(t, user, users[idx])
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}
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}
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func TestPreloadWithConds(t *testing.T) {
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var users = []User{
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*GetUser("slice_nested_preload_1", Config{Account: true}),
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*GetUser("slice_nested_preload_2", Config{Account: false}),
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*GetUser("slice_nested_preload_3", Config{Account: true}),
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}
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if err := DB.Create(&users).Error; err != nil {
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t.Fatalf("errors happened when create: %v", err)
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}
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var userIDs []uint
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for _, user := range users {
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userIDs = append(userIDs, user.ID)
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}
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var users2 []User
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DB.Preload("Account", clause.Eq{Column: "number", Value: users[0].Account.Number}).Find(&users2, "id IN ?", userIDs)
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sort.Slice(users2, func(i, j int) bool {
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return users2[i].ID < users2[j].ID
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})
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for idx, user := range users2[1:2] {
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if user.Account.Number != "" {
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t.Errorf("No account should found for user %v but got %v", idx+2, user.Account.Number)
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}
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}
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CheckUser(t, users2[0], users[0])
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}
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func TestNestedPreloadWithConds(t *testing.T) {
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var users = []User{
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*GetUser("slice_nested_preload_1", Config{Pets: 2}),
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*GetUser("slice_nested_preload_2", Config{Pets: 0}),
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*GetUser("slice_nested_preload_3", Config{Pets: 3}),
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}
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for _, user := range users {
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for idx, pet := range user.Pets {
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pet.Toy = Toy{Name: user.Name + "_toy_nested_preload_" + strconv.Itoa(idx+1)}
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}
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}
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if err := DB.Create(&users).Error; err != nil {
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t.Fatalf("errors happened when create: %v", err)
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}
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var userIDs []uint
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for _, user := range users {
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userIDs = append(userIDs, user.ID)
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}
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var users2 []User
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DB.Preload("Pets.Toy", "name like ?", `%preload_3`).Find(&users2, "id IN ?", userIDs)
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for idx, user := range users2[0:2] {
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for _, pet := range user.Pets {
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if pet.Toy.Name != "" {
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t.Errorf("No toy should for user %v's pet %v but got %v", idx+1, pet.Name, pet.Toy.Name)
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}
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}
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}
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if len(users2[2].Pets) != 3 {
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t.Errorf("Invalid pet toys found for user 3 got %v", len(users2[2].Pets))
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} else {
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sort.Slice(users2[2].Pets, func(i, j int) bool {
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return users2[2].Pets[i].ID < users2[2].Pets[j].ID
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})
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for _, pet := range users2[2].Pets[0:2] {
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if pet.Toy.Name != "" {
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t.Errorf("No toy should for user %v's pet %v but got %v", 3, pet.Name, pet.Toy.Name)
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}
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}
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CheckPet(t, *users2[2].Pets[2], *users[2].Pets[2])
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}
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}
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