mirror of https://github.com/go-gorm/gorm.git
82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
package tests
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import (
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"testing"
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"github.com/jinzhu/gorm"
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)
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func TestJoins(t *testing.T, db *gorm.DB) {
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db.Migrator().DropTable(&User{}, &Account{}, &Company{})
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db.AutoMigrate(&User{}, &Account{}, &Company{})
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check := func(t *testing.T, oldUser, newUser User) {
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if newUser.Company.ID != oldUser.Company.ID {
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t.Errorf("Company is not equal when load with joins, loaded company id: %v", newUser.Company.ID)
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}
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if newUser.Manager == nil || newUser.Manager.ID != oldUser.Manager.ID {
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t.Errorf("Manager is not equal when load with joins: loaded manager: %+v", newUser.Manager)
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}
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if newUser.Account.ID != oldUser.Account.ID {
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t.Errorf("Account is not equal when load with joins, loaded account id: %v, expect: %v", newUser.Account.ID, oldUser.Account.ID)
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}
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}
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t.Run("Joins", func(t *testing.T) {
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user := User{
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Name: "joins-1",
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Company: Company{Name: "company"},
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Manager: &User{Name: "manager"},
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Account: Account{Number: "account-has-one-association"},
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}
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db.Create(&user)
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var user2 User
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if err := db.Joins("Company").Joins("Manager").Joins("Account").First(&user2, "users.name = ?", user.Name).Error; err != nil {
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t.Fatalf("Failed to load with joins, got error: %v", err)
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}
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check(t, user, user2)
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})
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t.Run("JoinsForSlice", func(t *testing.T) {
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users := []User{{
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Name: "slice-joins-1",
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Company: Company{Name: "company"},
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Manager: &User{Name: "manager"},
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Account: Account{Number: "account-has-one-association"},
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}, {
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Name: "slice-joins-2",
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Company: Company{Name: "company2"},
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Manager: &User{Name: "manager2"},
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Account: Account{Number: "account-has-one-association2"},
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}, {
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Name: "slice-joins-3",
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Company: Company{Name: "company3"},
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Manager: &User{Name: "manager3"},
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Account: Account{Number: "account-has-one-association3"},
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}}
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db.Create(&users)
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var users2 []User
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if err := db.Joins("Company").Joins("Manager").Joins("Account").Find(&users2, "users.name LIKE ?", "slice-joins%").Error; err != nil {
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t.Fatalf("Failed to load with joins, got error: %v", err)
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} else if len(users2) != len(users) {
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t.Fatalf("Failed to load join users, got: %v, expect: %v", len(users2), len(users))
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}
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for _, u2 := range users2 {
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for _, u := range users {
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if u.Name == u2.Name {
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check(t, u, u2)
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continue
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}
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}
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}
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})
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}
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