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Test many2many associations

This commit is contained in:
Jinzhu 2020-05-14 15:05:04 +08:00
parent 42aae57240
commit 92b812408c
1 changed files with 59 additions and 8 deletions
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67
tests/create.go
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@ -695,17 +695,18 @@ func TestCreateHasManyAssociations(t *testing.T, db *gorm.DB) {
} }
func TestCreateMany2ManyAssociations(t *testing.T, db *gorm.DB) { func TestCreateMany2ManyAssociations(t *testing.T, db *gorm.DB) {
check := func(t *testing.T, user User) { check := func(t *testing.T, user User, old User) {
for _, language := range user.Languages { for idx, language := range user.Languages {
var result Language var result Language
db.First(&result, "code = ?", language.Code) db.First(&result, "code = ?", language.Code)
// TODO if result.Name != language.Name {
// if result.Name != language.Name { t.Errorf("Language's name should be same")
// t.Errorf("Language's name should be same") } else if result.Name != old.Languages[idx].Name {
// } t.Errorf("Language's name should be same")
}
} }
for _, f := range user.Friends { for idx, f := range user.Friends {
if f.ID == 0 { if f.ID == 0 {
t.Errorf("Friend's foreign key should be saved") t.Errorf("Friend's foreign key should be saved")
} }
@ -714,10 +715,14 @@ func TestCreateMany2ManyAssociations(t *testing.T, db *gorm.DB) {
db.First(&result, "id = ?", f.ID) db.First(&result, "id = ?", f.ID)
if result.Name != f.Name { if result.Name != f.Name {
t.Errorf("Friend's name should be same") t.Errorf("Friend's name should be same")
} else if result.Name != old.Friends[idx].Name {
t.Errorf("Language's name should be same")
} }
} }
} }
db.Create(&[]Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}})
t.Run("Many2Many", func(t *testing.T) { t.Run("Many2Many", func(t *testing.T) {
var user = User{ var user = User{
Name: "create", Name: "create",
@ -731,6 +736,52 @@ func TestCreateMany2ManyAssociations(t *testing.T, db *gorm.DB) {
t.Fatalf("errors happened when create: %v", err) t.Fatalf("errors happened when create: %v", err)
} }
check(t, user) check(t, user, user)
var user2 User
db.Preload("Languages").Preload("Friends").Find(&user2, "id = ?", user.ID)
check(t, user2, user)
})
t.Run("Many2ManyForBulkInsert", func(t *testing.T) {
var users = []User{
{
Name: "create-1",
Age: 18,
Birthday: Now(),
Languages: []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}},
Friends: []*User{{Name: "friend-1-1"}, {Name: "friend-1-2"}},
},
{
Name: "create-2",
Age: 18,
Birthday: Now(),
Languages: []Language{{Code: "zh-CN", Name: "Chinese"}},
Friends: []*User{{Name: "friend-2-1"}},
},
{
Name: "create-3",
Age: 18,
Birthday: Now(),
Languages: []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}},
Friends: []*User{{Name: "friend-3-1"}, {Name: "friend-3-2"}, {Name: "friend-3-3"}},
},
}
if err := db.Create(&users).Error; err != nil {
t.Fatalf("errors happened when create: %v", err)
}
var userIDs []uint
for _, user := range users {
userIDs = append(userIDs, user.ID)
check(t, user, user)
}
var users2 []User
db.Preload("Languages").Preload("Friends").Find(&users2, "id IN (?)", userIDs)
for idx, user := range users2 {
check(t, user, users[idx])
}
}) })
} }