mirror of https://github.com/go-gorm/gorm.git
79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
package tests_test
|
|
|
|
import (
|
|
"reflect"
|
|
"sort"
|
|
"strings"
|
|
"testing"
|
|
|
|
. "gorm.io/gorm/utils/tests"
|
|
)
|
|
|
|
func TestScan(t *testing.T) {
|
|
user1 := User{Name: "ScanUser1", Age: 1}
|
|
user2 := User{Name: "ScanUser2", Age: 10}
|
|
user3 := User{Name: "ScanUser3", Age: 20}
|
|
DB.Save(&user1).Save(&user2).Save(&user3)
|
|
|
|
type result struct {
|
|
Name string
|
|
Age int
|
|
}
|
|
|
|
var res result
|
|
DB.Table("users").Select("name, age").Where("id = ?", user3.ID).Scan(&res)
|
|
if res.Name != user3.Name || res.Age != int(user3.Age) {
|
|
t.Errorf("Scan into struct should work")
|
|
}
|
|
|
|
var doubleAgeRes = &result{}
|
|
if err := DB.Table("users").Select("age + age as age").Where("id = ?", user3.ID).Scan(&doubleAgeRes).Error; err != nil {
|
|
t.Errorf("Scan to pointer of pointer")
|
|
}
|
|
|
|
if doubleAgeRes.Age != int(res.Age)*2 {
|
|
t.Errorf("Scan double age as age, expect: %v, got %v", res.Age*2, doubleAgeRes.Age)
|
|
}
|
|
|
|
var results []result
|
|
DB.Table("users").Select("name, age").Where("id in ?", []uint{user2.ID, user3.ID}).Scan(&results)
|
|
|
|
sort.Slice(results, func(i, j int) bool {
|
|
return strings.Compare(results[i].Name, results[j].Name) < -1
|
|
})
|
|
|
|
if len(results) != 2 || results[0].Name != user2.Name || results[1].Name != user3.Name {
|
|
t.Errorf("Scan into struct map")
|
|
}
|
|
}
|
|
|
|
func TestScanRows(t *testing.T) {
|
|
user1 := User{Name: "ScanRowsUser1", Age: 1}
|
|
user2 := User{Name: "ScanRowsUser2", Age: 10}
|
|
user3 := User{Name: "ScanRowsUser3", Age: 20}
|
|
DB.Save(&user1).Save(&user2).Save(&user3)
|
|
|
|
rows, err := DB.Table("users").Where("name = ? or name = ?", user2.Name, user3.Name).Select("name, age").Rows()
|
|
if err != nil {
|
|
t.Errorf("Not error should happen, got %v", err)
|
|
}
|
|
|
|
type Result struct {
|
|
Name string
|
|
Age int
|
|
}
|
|
|
|
var results []Result
|
|
for rows.Next() {
|
|
var result Result
|
|
if err := DB.ScanRows(rows, &result); err != nil {
|
|
t.Errorf("should get no error, but got %v", err)
|
|
}
|
|
results = append(results, result)
|
|
}
|
|
|
|
if !reflect.DeepEqual(results, []Result{{Name: "ScanRowsUser2", Age: 10}, {Name: "ScanRowsUser3", Age: 20}}) {
|
|
t.Errorf("Should find expected results")
|
|
}
|
|
}
|