gorm/tests/group_by_test.go

58 lines
1.3 KiB
Go

package tests_test
import (
"testing"
. "gorm.io/gorm/tests"
)
func TestGroupBy(t *testing.T) {
var users = []User{{
Name: "groupby",
Age: 10,
Birthday: Now(),
}, {
Name: "groupby",
Age: 20,
Birthday: Now(),
}, {
Name: "groupby",
Age: 30,
Birthday: Now(),
}, {
Name: "groupby1",
Age: 110,
Birthday: Now(),
}, {
Name: "groupby1",
Age: 220,
Birthday: Now(),
}, {
Name: "groupby1",
Age: 330,
Birthday: Now(),
}}
if err := DB.Create(&users).Error; err != nil {
t.Errorf("errors happened when create: %v", err)
}
var name string
var total int
if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("name").Row().Scan(&name, &total); err != nil {
t.Errorf("no error should happen, but got %v", err)
}
if name != "groupby" || total != 60 {
t.Errorf("name should be groupby, but got %v, total should be 60, but got %v", name, total)
}
if err := DB.Model(&User{}).Select("name, sum(age) as total").Where("name LIKE ?", "groupby%").Group("name").Having("name = ?", "groupby1").Row().Scan(&name, &total); err != nil {
t.Errorf("no error should happen, but got %v", err)
}
if name != "groupby1" || total != 660 {
t.Errorf("name should be groupby, but got %v, total should be 660, but got %v", name, total)
}
}