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