package clause_test

import (
	"fmt"
	"testing"

	"gorm.io/gorm/clause"
)

func TestUpdate(t *testing.T) {
	results := []struct {
		Clauses []clause.Interface
		Result  string
		Vars    []interface{}
	}{
		{
			[]clause.Interface{clause.Update{}},
			"UPDATE `users`", nil,
		},
		{
			[]clause.Interface{clause.Update{Modifier: "LOW_PRIORITY"}},
			"UPDATE LOW_PRIORITY `users`", nil,
		},
		{

		GetUser("update-returning-2", Config{}),
		GetUser("update-returning-3", Config{}),
	}
	DB.Create(&users)

	var results []User
	DB.Model(&results).Where("name IN ?", []string{users[0].Name, users[1].Name}).Clauses(clause.Returning{}).Update("age", 88)
	if len(results) != 2 || results[0].Age != 88 || results[1].Age != 88 {
		t.Errorf("failed to return updated data, got %v", results)
	}