mirror of https://github.com/go-gorm/gorm.git
309 lines
9.3 KiB
Go
309 lines
9.3 KiB
Go
package tests_test
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import (
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"testing"
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"gorm.io/gorm"
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. "gorm.io/gorm/utils/tests"
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)
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func TestBelongsToAssociation(t *testing.T) {
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user := *GetUser("belongs-to", Config{Company: true, Manager: true})
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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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CheckUser(t, user, user)
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// Find
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var user2 User
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DB.Find(&user2, "id = ?", user.ID)
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pointerOfUser := &user2
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if err := DB.Model(&pointerOfUser).Association("Company").Find(&user2.Company); err != nil {
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t.Errorf("failed to query users, got error %#v", err)
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}
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user2.Manager = &User{}
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DB.Model(&user2).Association("Manager").Find(user2.Manager)
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CheckUser(t, user2, user)
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// Count
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AssertAssociationCount(t, user, "Company", 1, "")
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AssertAssociationCount(t, user, "Manager", 1, "")
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// Append
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company := Company{Name: "company-belongs-to-append"}
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manager := GetUser("manager-belongs-to-append", Config{})
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if err := DB.Model(&user2).Association("Company").Append(&company); err != nil {
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t.Fatalf("Error happened when append Company, got %v", err)
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}
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if company.ID == 0 {
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t.Fatalf("Company's ID should be created")
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}
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if err := DB.Model(&user2).Association("Manager").Append(manager); err != nil {
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t.Fatalf("Error happened when append Manager, got %v", err)
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}
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if manager.ID == 0 {
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t.Fatalf("Manager's ID should be created")
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}
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user.Company = company
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user.Manager = manager
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user.CompanyID = &company.ID
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user.ManagerID = &manager.ID
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CheckUser(t, user2, user)
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AssertAssociationCount(t, user2, "Company", 1, "AfterAppend")
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AssertAssociationCount(t, user2, "Manager", 1, "AfterAppend")
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// Replace
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company2 := Company{Name: "company-belongs-to-replace"}
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manager2 := GetUser("manager-belongs-to-replace", Config{})
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if err := DB.Model(&user2).Association("Company").Replace(&company2); err != nil {
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t.Fatalf("Error happened when replace Company, got %v", err)
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}
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if company2.ID == 0 {
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t.Fatalf("Company's ID should be created")
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}
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if err := DB.Model(&user2).Association("Manager").Replace(manager2); err != nil {
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t.Fatalf("Error happened when replace Manager, got %v", err)
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}
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if manager2.ID == 0 {
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t.Fatalf("Manager's ID should be created")
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}
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user.Company = company2
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user.Manager = manager2
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user.CompanyID = &company2.ID
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user.ManagerID = &manager2.ID
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CheckUser(t, user2, user)
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AssertAssociationCount(t, user2, "Company", 1, "AfterReplace")
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AssertAssociationCount(t, user2, "Manager", 1, "AfterReplace")
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// Delete
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if err := DB.Model(&user2).Association("Company").Delete(&Company{}); err != nil {
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t.Fatalf("Error happened when delete Company, got %v", err)
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}
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AssertAssociationCount(t, user2, "Company", 1, "after delete non-existing data")
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if err := DB.Model(&user2).Association("Company").Delete(&company2); err != nil {
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t.Fatalf("Error happened when delete Company, got %v", err)
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}
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AssertAssociationCount(t, user2, "Company", 0, "after delete")
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if err := DB.Model(&user2).Association("Manager").Delete(&User{}); err != nil {
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t.Fatalf("Error happened when delete Manager, got %v", err)
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}
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AssertAssociationCount(t, user2, "Manager", 1, "after delete non-existing data")
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if err := DB.Model(&user2).Association("Manager").Delete(manager2); err != nil {
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t.Fatalf("Error happened when delete Manager, got %v", err)
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}
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AssertAssociationCount(t, user2, "Manager", 0, "after delete")
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// Prepare Data for Clear
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if err := DB.Model(&user2).Association("Company").Append(&company); err != nil {
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t.Fatalf("Error happened when append Company, got %v", err)
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}
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if err := DB.Model(&user2).Association("Manager").Append(manager); err != nil {
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t.Fatalf("Error happened when append Manager, got %v", err)
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}
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AssertAssociationCount(t, user2, "Company", 1, "after prepare data")
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AssertAssociationCount(t, user2, "Manager", 1, "after prepare data")
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// Clear
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if err := DB.Model(&user2).Association("Company").Clear(); err != nil {
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t.Errorf("Error happened when clear Company, got %v", err)
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}
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if err := DB.Model(&user2).Association("Manager").Clear(); err != nil {
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t.Errorf("Error happened when clear Manager, got %v", err)
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}
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AssertAssociationCount(t, user2, "Company", 0, "after clear")
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AssertAssociationCount(t, user2, "Manager", 0, "after clear")
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// unexist company id
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unexistCompanyID := company.ID + 9999999
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user = User{Name: "invalid-user-with-invalid-belongs-to-foreign-key", CompanyID: &unexistCompanyID}
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if err := DB.Create(&user).Error; err == nil {
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tidbSkip(t, "not support the foreign key feature")
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t.Errorf("should have gotten foreign key violation error")
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}
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}
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func TestBelongsToAssociationForSlice(t *testing.T) {
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users := []User{
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*GetUser("slice-belongs-to-1", Config{Company: true, Manager: true}),
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*GetUser("slice-belongs-to-2", Config{Company: true, Manager: false}),
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*GetUser("slice-belongs-to-3", Config{Company: true, Manager: true}),
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}
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DB.Create(&users)
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AssertAssociationCount(t, users, "Company", 3, "")
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AssertAssociationCount(t, users, "Manager", 2, "")
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// Find
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var companies []Company
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if DB.Model(&users).Association("Company").Find(&companies); len(companies) != 3 {
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t.Errorf("companies count should be %v, but got %v", 3, len(companies))
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}
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var managers []User
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if DB.Model(&users).Association("Manager").Find(&managers); len(managers) != 2 {
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t.Errorf("managers count should be %v, but got %v", 2, len(managers))
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}
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// Append
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DB.Model(&users).Association("Company").Append(
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&Company{Name: "company-slice-append-1"},
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&Company{Name: "company-slice-append-2"},
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&Company{Name: "company-slice-append-3"},
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)
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AssertAssociationCount(t, users, "Company", 3, "After Append")
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DB.Model(&users).Association("Manager").Append(
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GetUser("manager-slice-belongs-to-1", Config{}),
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GetUser("manager-slice-belongs-to-2", Config{}),
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GetUser("manager-slice-belongs-to-3", Config{}),
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)
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AssertAssociationCount(t, users, "Manager", 3, "After Append")
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if err := DB.Model(&users).Association("Manager").Append(
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GetUser("manager-slice-belongs-to-test-1", Config{}),
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).Error; err == nil {
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t.Errorf("unmatched length when update user's manager")
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}
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// Replace -> same as append
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// Delete
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if err := DB.Model(&users).Association("Company").Delete(&users[0].Company); err != nil {
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t.Errorf("no error should happened when deleting company, but got %v", err)
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}
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if users[0].CompanyID != nil || users[0].Company.ID != 0 {
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t.Errorf("users[0]'s company should be deleted'")
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}
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AssertAssociationCount(t, users, "Company", 2, "After Delete")
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// Clear
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DB.Model(&users).Association("Company").Clear()
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AssertAssociationCount(t, users, "Company", 0, "After Clear")
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DB.Model(&users).Association("Manager").Clear()
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AssertAssociationCount(t, users, "Manager", 0, "After Clear")
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// shared company
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company := Company{Name: "shared"}
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if err := DB.Model(&users[0]).Association("Company").Append(&company); err != nil {
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t.Errorf("Error happened when append company to user, got %v", err)
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}
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if err := DB.Model(&users[1]).Association("Company").Append(&company); err != nil {
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t.Errorf("Error happened when append company to user, got %v", err)
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}
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if users[0].CompanyID == nil || users[1].CompanyID == nil || *users[0].CompanyID != *users[1].CompanyID {
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t.Errorf("user's company id should exists and equal, but its: %v, %v", users[0].CompanyID, users[1].CompanyID)
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}
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DB.Model(&users[0]).Association("Company").Delete(&company)
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AssertAssociationCount(t, users[0], "Company", 0, "After Delete")
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AssertAssociationCount(t, users[1], "Company", 1, "After other user Delete")
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}
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func TestBelongsToDefaultValue(t *testing.T) {
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type Org struct {
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ID string
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}
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type BelongsToUser struct {
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OrgID string
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Org Org `gorm:"default:NULL"`
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}
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tx := DB.Session(&gorm.Session{})
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tx.Config.DisableForeignKeyConstraintWhenMigrating = true
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AssertEqual(t, DB.Config.DisableForeignKeyConstraintWhenMigrating, false)
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tx.Migrator().DropTable(&BelongsToUser{}, &Org{})
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tx.AutoMigrate(&BelongsToUser{}, &Org{})
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user := &BelongsToUser{
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Org: Org{
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ID: "BelongsToUser_Org_1",
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},
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}
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err := DB.Create(&user).Error
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AssertEqual(t, err, nil)
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}
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func TestBelongsToAssociationUnscoped(t *testing.T) {
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type ItemParent struct {
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gorm.Model
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Logo string `gorm:"not null;type:varchar(50)"`
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}
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type ItemChild struct {
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gorm.Model
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Name string `gorm:"type:varchar(50)"`
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ItemParentID uint
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ItemParent ItemParent
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}
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tx := DB.Session(&gorm.Session{})
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tx.Migrator().DropTable(&ItemParent{}, &ItemChild{})
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tx.AutoMigrate(&ItemParent{}, &ItemChild{})
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item := ItemChild{
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Name: "name",
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ItemParent: ItemParent{
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Logo: "logo",
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},
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}
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if err := tx.Create(&item).Error; err != nil {
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t.Fatalf("failed to create items, got error: %v", err)
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}
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tx = tx.Debug()
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// test replace
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if err := tx.Model(&item).Association("ItemParent").Unscoped().Replace(&ItemParent{
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Logo: "updated logo",
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}); err != nil {
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t.Errorf("failed to replace item parent, got error: %v", err)
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}
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var parents []ItemParent
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if err := tx.Find(&parents).Error; err != nil {
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t.Errorf("failed to find item parent, got error: %v", err)
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}
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if len(parents) != 1 {
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t.Errorf("expected %d parents, got %d", 1, len(parents))
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}
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// test delete
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if err := tx.Model(&item).Association("ItemParent").Unscoped().Delete(&parents); err != nil {
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t.Errorf("failed to delete item parent, got error: %v", err)
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}
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if err := tx.Find(&parents).Error; err != nil {
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t.Errorf("failed to find item parent, got error: %v", err)
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}
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if len(parents) != 0 {
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t.Errorf("expected %d parents, got %d", 0, len(parents))
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}
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}
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