gorm/tests/query_test.go

894 lines
29 KiB
Go

package tests_test
import (
"database/sql"
"fmt"
"reflect"
"regexp"
"sort"
"strconv"
"strings"
"testing"
"time"
"gorm.io/gorm"
"gorm.io/gorm/clause"
. "gorm.io/gorm/utils/tests"
)
func TestFind(t *testing.T) {
var users = []User{
*GetUser("find", Config{}),
*GetUser("find", Config{}),
*GetUser("find", Config{}),
}
if err := DB.Create(&users).Error; err != nil {
t.Fatalf("errors happened when create users: %v", err)
}
t.Run("First", func(t *testing.T) {
var first User
if err := DB.Where("name = ?", "find").First(&first).Error; err != nil {
t.Errorf("errors happened when query first: %v", err)
} else {
CheckUser(t, first, users[0])
}
})
t.Run("Last", func(t *testing.T) {
var last User
if err := DB.Where("name = ?", "find").Last(&last).Error; err != nil {
t.Errorf("errors happened when query last: %v", err)
} else {
CheckUser(t, last, users[2])
}
})
var all []User
if err := DB.Where("name = ?", "find").Find(&all).Error; err != nil || len(all) != 3 {
t.Errorf("errors happened when query find: %v, length: %v", err, len(all))
} else {
for idx, user := range users {
t.Run("FindAll#"+strconv.Itoa(idx+1), func(t *testing.T) {
CheckUser(t, all[idx], user)
})
}
}
t.Run("FirstMap", func(t *testing.T) {
var first = map[string]interface{}{}
if err := DB.Model(&User{}).Where("name = ?", "find").First(first).Error; err != nil {
t.Errorf("errors happened when query first: %v", err)
} else {
for _, name := range []string{"Name", "Age", "Birthday"} {
t.Run(name, func(t *testing.T) {
dbName := DB.NamingStrategy.ColumnName("", name)
switch name {
case "Name":
if _, ok := first[dbName].(string); !ok {
t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
}
case "Age":
if _, ok := first[dbName].(uint); !ok {
t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
}
case "Birthday":
if _, ok := first[dbName].(*time.Time); !ok {
t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
}
}
reflectValue := reflect.Indirect(reflect.ValueOf(users[0]))
AssertEqual(t, first[dbName], reflectValue.FieldByName(name).Interface())
})
}
}
})
t.Run("FirstMapWithTable", func(t *testing.T) {
var first = map[string]interface{}{}
if err := DB.Table("users").Where("name = ?", "find").Find(first).Error; err != nil {
t.Errorf("errors happened when query first: %v", err)
} else {
for _, name := range []string{"Name", "Age", "Birthday"} {
t.Run(name, func(t *testing.T) {
dbName := DB.NamingStrategy.ColumnName("", name)
resultType := reflect.ValueOf(first[dbName]).Type().Name()
switch name {
case "Name":
if !strings.Contains(resultType, "string") {
t.Errorf("invalid data type for %v, got %v %#v", dbName, resultType, first[dbName])
}
case "Age":
if !strings.Contains(resultType, "int") {
t.Errorf("invalid data type for %v, got %v %#v", dbName, resultType, first[dbName])
}
case "Birthday":
if !strings.Contains(resultType, "Time") && !(DB.Dialector.Name() == "sqlite" && strings.Contains(resultType, "string")) {
t.Errorf("invalid data type for %v, got %v %#v", dbName, resultType, first[dbName])
}
}
reflectValue := reflect.Indirect(reflect.ValueOf(users[0]))
AssertEqual(t, first[dbName], reflectValue.FieldByName(name).Interface())
})
}
}
})
t.Run("FirstPtrMap", func(t *testing.T) {
var first = map[string]interface{}{}
if err := DB.Model(&User{}).Where("name = ?", "find").First(&first).Error; err != nil {
t.Errorf("errors happened when query first: %v", err)
} else {
for _, name := range []string{"Name", "Age", "Birthday"} {
t.Run(name, func(t *testing.T) {
dbName := DB.NamingStrategy.ColumnName("", name)
reflectValue := reflect.Indirect(reflect.ValueOf(users[0]))
AssertEqual(t, first[dbName], reflectValue.FieldByName(name).Interface())
})
}
}
})
t.Run("FirstSliceOfMap", func(t *testing.T) {
var allMap = []map[string]interface{}{}
if err := DB.Model(&User{}).Where("name = ?", "find").Find(&allMap).Error; err != nil {
t.Errorf("errors happened when query find: %v", err)
} else {
for idx, user := range users {
t.Run("FindAllMap#"+strconv.Itoa(idx+1), func(t *testing.T) {
for _, name := range []string{"Name", "Age", "Birthday"} {
t.Run(name, func(t *testing.T) {
dbName := DB.NamingStrategy.ColumnName("", name)
switch name {
case "Name":
if _, ok := allMap[idx][dbName].(string); !ok {
t.Errorf("invalid data type for %v, got %#v", dbName, allMap[idx][dbName])
}
case "Age":
if _, ok := allMap[idx][dbName].(uint); !ok {
t.Errorf("invalid data type for %v, got %#v", dbName, allMap[idx][dbName])
}
case "Birthday":
if _, ok := allMap[idx][dbName].(*time.Time); !ok {
t.Errorf("invalid data type for %v, got %#v", dbName, allMap[idx][dbName])
}
}
reflectValue := reflect.Indirect(reflect.ValueOf(user))
AssertEqual(t, allMap[idx][dbName], reflectValue.FieldByName(name).Interface())
})
}
})
}
}
})
t.Run("FindSliceOfMapWithTable", func(t *testing.T) {
var allMap = []map[string]interface{}{}
if err := DB.Table("users").Where("name = ?", "find").Find(&allMap).Error; err != nil {
t.Errorf("errors happened when query find: %v", err)
} else {
for idx, user := range users {
t.Run("FindAllMap#"+strconv.Itoa(idx+1), func(t *testing.T) {
for _, name := range []string{"Name", "Age", "Birthday"} {
t.Run(name, func(t *testing.T) {
dbName := DB.NamingStrategy.ColumnName("", name)
resultType := reflect.ValueOf(allMap[idx][dbName]).Type().Name()
switch name {
case "Name":
if !strings.Contains(resultType, "string") {
t.Errorf("invalid data type for %v, got %v %#v", dbName, resultType, allMap[idx][dbName])
}
case "Age":
if !strings.Contains(resultType, "int") {
t.Errorf("invalid data type for %v, got %v %#v", dbName, resultType, allMap[idx][dbName])
}
case "Birthday":
if !strings.Contains(resultType, "Time") && !(DB.Dialector.Name() == "sqlite" && strings.Contains(resultType, "string")) {
t.Errorf("invalid data type for %v, got %v %#v", dbName, resultType, allMap[idx][dbName])
}
}
reflectValue := reflect.Indirect(reflect.ValueOf(user))
AssertEqual(t, allMap[idx][dbName], reflectValue.FieldByName(name).Interface())
})
}
})
}
}
})
var models []User
if err := DB.Where("name in (?)", []string{"find"}).Find(&models).Error; err != nil || len(models) != 3 {
t.Errorf("errors happened when query find with in clause: %v, length: %v", err, len(models))
} else {
for idx, user := range users {
t.Run("FindWithInClause#"+strconv.Itoa(idx+1), func(t *testing.T) {
CheckUser(t, models[idx], user)
})
}
}
var none []User
if err := DB.Where("name in (?)", []string{}).Find(&none).Error; err != nil || len(none) != 0 {
t.Errorf("errors happened when query find with in clause and zero length parameter: %v, length: %v", err, len(none))
}
}
func TestQueryWithAssociation(t *testing.T) {
user := *GetUser("query_with_association", Config{Account: true, Pets: 2, Toys: 1, Company: true, Manager: true, Team: 2, Languages: 1, Friends: 3})
if err := DB.Create(&user).Error; err != nil {
t.Fatalf("errors happened when create user: %v", err)
}
user.CreatedAt = time.Time{}
user.UpdatedAt = time.Time{}
if err := DB.Where(&user).First(&User{}).Error; err != nil {
t.Errorf("search with struct with association should returns no error, but got %v", err)
}
if err := DB.Where(user).First(&User{}).Error; err != nil {
t.Errorf("search with struct with association should returns no error, but got %v", err)
}
}
func TestFindInBatches(t *testing.T) {
var users = []User{
*GetUser("find_in_batches", Config{}),
*GetUser("find_in_batches", Config{}),
*GetUser("find_in_batches", Config{}),
*GetUser("find_in_batches", Config{}),
*GetUser("find_in_batches", Config{}),
*GetUser("find_in_batches", Config{}),
}
DB.Create(&users)
var (
results []User
totalBatch int
)
if result := DB.Where("name = ?", users[0].Name).FindInBatches(&results, 2, func(tx *gorm.DB, batch int) error {
totalBatch += batch
for idx := range results {
results[idx].Name = results[idx].Name + "_new"
}
if err := tx.Save(results).Error; err != nil {
t.Errorf("failed to save users, got error %v", err)
}
if tx.RowsAffected != 2 {
t.Errorf("Incorrect affected rows, expects: 2, got %v", tx.RowsAffected)
}
if len(results) != 2 {
t.Errorf("Incorrect users length, expects: 2, got %v", len(results))
}
return nil
}); result.Error != nil || result.RowsAffected != 6 {
t.Errorf("Failed to batch find, got error %v, rows affected: %v", result.Error, result.RowsAffected)
}
if totalBatch != 6 {
t.Errorf("incorrect total batch, expects: %v, got %v", 6, totalBatch)
}
var count int64
DB.Model(&User{}).Where("name = ?", "find_in_batches_new").Count(&count)
if count != 6 {
t.Errorf("incorrect count after update, expects: %v, got %v", 6, count)
}
}
func TestFillSmallerStruct(t *testing.T) {
user := User{Name: "SmallerUser", Age: 100}
DB.Save(&user)
type SimpleUser struct {
ID int64
Name string
UpdatedAt time.Time
CreatedAt time.Time
}
var simpleUser SimpleUser
if err := DB.Table("users").Where("name = ?", user.Name).First(&simpleUser).Error; err != nil {
t.Fatalf("Failed to query smaller user, got error %v", err)
}
AssertObjEqual(t, user, simpleUser, "Name", "ID", "UpdatedAt", "CreatedAt")
var simpleUser2 SimpleUser
if err := DB.Model(&User{}).Select("id").First(&simpleUser2, user.ID).Error; err != nil {
t.Fatalf("Failed to query smaller user, got error %v", err)
}
AssertObjEqual(t, user, simpleUser2, "ID")
var simpleUsers []SimpleUser
if err := DB.Model(&User{}).Select("id").Find(&simpleUsers, user.ID).Error; err != nil || len(simpleUsers) != 1 {
t.Fatalf("Failed to query smaller user, got error %v", err)
}
AssertObjEqual(t, user, simpleUsers[0], "ID")
result := DB.Session(&gorm.Session{DryRun: true}).Model(&User{}).Find(&simpleUsers, user.ID)
if !regexp.MustCompile("SELECT .*id.*name.*updated_at.*created_at.* FROM .*users").MatchString(result.Statement.SQL.String()) {
t.Fatalf("SQL should include selected names, but got %v", result.Statement.SQL.String())
}
result = DB.Session(&gorm.Session{DryRun: true}).Model(&User{}).Find(&User{}, user.ID)
if regexp.MustCompile("SELECT .*name.* FROM .*users").MatchString(result.Statement.SQL.String()) {
t.Fatalf("SQL should not include selected names, but got %v", result.Statement.SQL.String())
}
result = DB.Session(&gorm.Session{DryRun: true}).Model(&User{}).Find(&[]User{}, user.ID)
if regexp.MustCompile("SELECT .*name.* FROM .*users").MatchString(result.Statement.SQL.String()) {
t.Fatalf("SQL should not include selected names, but got %v", result.Statement.SQL.String())
}
result = DB.Session(&gorm.Session{DryRun: true}).Model(&User{}).Find(&[]*User{}, user.ID)
if regexp.MustCompile("SELECT .*name.* FROM .*users").MatchString(result.Statement.SQL.String()) {
t.Fatalf("SQL should not include selected names, but got %v", result.Statement.SQL.String())
}
}
func TestNot(t *testing.T) {
dryDB := DB.Session(&gorm.Session{DryRun: true})
result := dryDB.Not(map[string]interface{}{"name": "jinzhu"}).Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*name.* <> .+").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Where("name = ?", "jinzhu1").Not("name = ?", "jinzhu2").Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*name.* = .+ AND NOT.*name.* = .+").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Where(map[string]interface{}{"name": []string{"jinzhu", "jinzhu 2"}}).Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*name.* IN \\(.+,.+\\)").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Not("name = ?", "jinzhu").Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE NOT.*name.* = .+").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Not(map[string]interface{}{"name": []string{"jinzhu", "jinzhu 2"}}).Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*name.* NOT IN \\(.+,.+\\)").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Not([]int64{1, 2}).First(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*id.* NOT IN \\(.+,.+\\)").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Not([]int64{}).First(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .users.\\..deleted_at. IS NULL ORDER BY").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Not(User{Name: "jinzhu", Age: 18}).First(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*users.*..*name.* <> .+ AND .*users.*..*age.* <> .+").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build NOT condition, but got %v", result.Statement.SQL.String())
}
}
func TestOr(t *testing.T) {
dryDB := DB.Session(&gorm.Session{DryRun: true})
result := dryDB.Where("role = ?", "admin").Or("role = ?", "super_admin").Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*role.* = .+ OR .*role.* = .+").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build OR condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Where("name = ?", "jinzhu").Or(User{Name: "jinzhu 2", Age: 18}).Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*name.* = .+ OR \\(.*name.* AND .*age.*\\)").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build OR condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Where("name = ?", "jinzhu").Or(map[string]interface{}{"name": "jinzhu 2", "age": 18}).Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* WHERE .*name.* = .+ OR \\(.*age.* AND .*name.*\\)").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build OR condition, but got %v", result.Statement.SQL.String())
}
}
func TestPluck(t *testing.T) {
users := []*User{
GetUser("pluck-user1", Config{}),
GetUser("pluck-user2", Config{}),
GetUser("pluck-user3", Config{}),
}
DB.Create(&users)
var names []string
if err := DB.Model(User{}).Where("name like ?", "pluck-user%").Order("name").Pluck("name", &names).Error; err != nil {
t.Errorf("got error when pluck name: %v", err)
}
var names2 []string
if err := DB.Model(User{}).Where("name like ?", "pluck-user%").Order("name desc").Pluck("name", &names2).Error; err != nil {
t.Errorf("got error when pluck name: %v", err)
}
AssertEqual(t, names, sort.Reverse(sort.StringSlice(names2)))
var ids []int
if err := DB.Model(User{}).Where("name like ?", "pluck-user%").Pluck("id", &ids).Error; err != nil {
t.Errorf("got error when pluck id: %v", err)
}
for idx, name := range names {
if name != users[idx].Name {
t.Errorf("Unexpected result on pluck name, got %+v", names)
}
}
for idx, id := range ids {
if int(id) != int(users[idx].ID) {
t.Errorf("Unexpected result on pluck id, got %+v", ids)
}
}
var times []time.Time
if err := DB.Model(User{}).Where("name like ?", "pluck-user%").Pluck("created_at", &times).Error; err != nil {
t.Errorf("got error when pluck time: %v", err)
}
for idx, tv := range times {
AssertEqual(t, tv, users[idx].CreatedAt)
}
var ptrtimes []*time.Time
if err := DB.Model(User{}).Where("name like ?", "pluck-user%").Pluck("created_at", &ptrtimes).Error; err != nil {
t.Errorf("got error when pluck time: %v", err)
}
for idx, tv := range ptrtimes {
AssertEqual(t, tv, users[idx].CreatedAt)
}
var nulltimes []sql.NullTime
if err := DB.Model(User{}).Where("name like ?", "pluck-user%").Pluck("created_at", &nulltimes).Error; err != nil {
t.Errorf("got error when pluck time: %v", err)
}
for idx, tv := range nulltimes {
AssertEqual(t, tv.Time, users[idx].CreatedAt)
}
}
func TestSelect(t *testing.T) {
user := User{Name: "SelectUser1"}
DB.Save(&user)
var result User
DB.Where("name = ?", user.Name).Select("name").Find(&result)
if result.ID != 0 {
t.Errorf("Should not have ID because only selected name, %+v", result.ID)
}
if user.Name != result.Name {
t.Errorf("Should have user Name when selected it")
}
var result2 User
DB.Where("name = ?", user.Name).Select("name as name").Find(&result2)
if result2.ID != 0 {
t.Errorf("Should not have ID because only selected name, %+v", result2.ID)
}
if user.Name != result2.Name {
t.Errorf("Should have user Name when selected it")
}
dryDB := DB.Session(&gorm.Session{DryRun: true})
r := dryDB.Select("name", "age").Find(&User{})
if !regexp.MustCompile("SELECT .*name.*,.*age.* FROM .*users.*").MatchString(r.Statement.SQL.String()) {
t.Fatalf("Build Select with strings, but got %v", r.Statement.SQL.String())
}
r = dryDB.Select([]string{"name", "age"}).Find(&User{})
if !regexp.MustCompile("SELECT .*name.*,.*age.* FROM .*users.*").MatchString(r.Statement.SQL.String()) {
t.Fatalf("Build Select with slice, but got %v", r.Statement.SQL.String())
}
r = dryDB.Table("users").Select("COALESCE(age,?)", 42).Find(&User{})
if !regexp.MustCompile(`SELECT COALESCE\(age,.*\) FROM .*users.*`).MatchString(r.Statement.SQL.String()) {
t.Fatalf("Build Select with func, but got %v", r.Statement.SQL.String())
}
// SELECT COALESCE(age,'42') FROM users;
r = dryDB.Select("u.*").Table("users as u").First(&User{}, user.ID)
if !regexp.MustCompile(`SELECT u\.\* FROM .*users.*`).MatchString(r.Statement.SQL.String()) {
t.Fatalf("Build Select with u.*, but got %v", r.Statement.SQL.String())
}
r = dryDB.Select("count(*)").Select("u.*").Table("users as u").First(&User{}, user.ID)
if !regexp.MustCompile(`SELECT u\.\* FROM .*users.*`).MatchString(r.Statement.SQL.String()) {
t.Fatalf("Build Select with u.*, but got %v", r.Statement.SQL.String())
}
}
func TestOmit(t *testing.T) {
user := User{Name: "OmitUser1", Age: 20}
DB.Save(&user)
var result User
DB.Where("name = ?", user.Name).Omit("name").Find(&result)
if result.ID == 0 {
t.Errorf("Should not have ID because only selected name, %+v", result.ID)
}
if result.Name != "" || result.Age != 20 {
t.Errorf("User Name should be omitted, got %v, Age should be ok, got %v", result.Name, result.Age)
}
}
func TestPluckWithSelect(t *testing.T) {
users := []User{
{Name: "pluck_with_select_1", Age: 25},
{Name: "pluck_with_select_2", Age: 26},
}
DB.Create(&users)
var userAges []int
err := DB.Model(&User{}).Where("name like ?", "pluck_with_select%").Select("age + 1 as user_age").Pluck("user_age", &userAges).Error
if err != nil {
t.Fatalf("got error when pluck user_age: %v", err)
}
sort.Ints(userAges)
AssertEqual(t, userAges, []int{26, 27})
}
func TestSelectWithVariables(t *testing.T) {
DB.Save(&User{Name: "select_with_variables"})
rows, _ := DB.Table("users").Where("name = ?", "select_with_variables").Select("? as fake", gorm.Expr("name")).Rows()
if !rows.Next() {
t.Errorf("Should have returned at least one row")
} else {
columns, _ := rows.Columns()
AssertEqual(t, columns, []string{"fake"})
}
rows.Close()
}
func TestSelectWithArrayInput(t *testing.T) {
DB.Save(&User{Name: "select_with_array", Age: 42})
var user User
DB.Select([]string{"name", "age"}).Where("age = 42 AND name = ?", "select_with_array").First(&user)
if user.Name != "select_with_array" || user.Age != 42 {
t.Errorf("Should have selected both age and name")
}
}
func TestCustomizedTypePrimaryKey(t *testing.T) {
type ID uint
type CustomizedTypePrimaryKey struct {
ID ID
Name string
}
DB.Migrator().DropTable(&CustomizedTypePrimaryKey{})
if err := DB.AutoMigrate(&CustomizedTypePrimaryKey{}); err != nil {
t.Fatalf("failed to migrate, got error %v", err)
}
p1 := CustomizedTypePrimaryKey{Name: "p1"}
p2 := CustomizedTypePrimaryKey{Name: "p2"}
p3 := CustomizedTypePrimaryKey{Name: "p3"}
DB.Create(&p1)
DB.Create(&p2)
DB.Create(&p3)
var p CustomizedTypePrimaryKey
if err := DB.First(&p, p2.ID).Error; err != nil {
t.Errorf("No error should returns, but got %v", err)
}
AssertEqual(t, p, p2)
if err := DB.First(&p, "id = ?", p2.ID).Error; err != nil {
t.Errorf("No error should happen when querying with customized type for primary key, got err %v", err)
}
AssertEqual(t, p, p2)
}
func TestStringPrimaryKeyForNumericValueStartingWithZero(t *testing.T) {
type AddressByZipCode struct {
ZipCode string `gorm:"primary_key"`
Address string
}
DB.Migrator().DropTable(&AddressByZipCode{})
if err := DB.AutoMigrate(&AddressByZipCode{}); err != nil {
t.Fatalf("failed to migrate, got error %v", err)
}
address := AddressByZipCode{ZipCode: "00501", Address: "Holtsville"}
DB.Create(&address)
var result AddressByZipCode
DB.First(&result, "00501")
AssertEqual(t, result, address)
}
func TestSearchWithEmptyChain(t *testing.T) {
user := User{Name: "search_with_empty_chain", Age: 1}
DB.Create(&user)
var result User
if DB.Where("").Where("").First(&result).Error != nil {
t.Errorf("Should not raise any error if searching with empty strings")
}
result = User{}
if DB.Where(&User{}).Where("name = ?", user.Name).First(&result).Error != nil {
t.Errorf("Should not raise any error if searching with empty struct")
}
result = User{}
if DB.Where(map[string]interface{}{}).Where("name = ?", user.Name).First(&result).Error != nil {
t.Errorf("Should not raise any error if searching with empty map")
}
}
func TestOrder(t *testing.T) {
dryDB := DB.Session(&gorm.Session{DryRun: true})
result := dryDB.Order("age desc, name").Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* ORDER BY age desc, name").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build Order condition, but got %v", result.Statement.SQL.String())
}
result = dryDB.Order("age desc").Order("name").Find(&User{})
if !regexp.MustCompile("SELECT \\* FROM .*users.* ORDER BY age desc,name").MatchString(result.Statement.SQL.String()) {
t.Fatalf("Build Order condition, but got %v", result.Statement.SQL.String())
}
stmt := dryDB.Clauses(clause.OrderBy{
Expression: clause.Expr{SQL: "FIELD(id,?)", Vars: []interface{}{[]int{1, 2, 3}}, WithoutParentheses: true},
}).Find(&User{}).Statement
explainedSQL := dryDB.Dialector.Explain(stmt.SQL.String(), stmt.Vars...)
if !regexp.MustCompile("SELECT \\* FROM .*users.* ORDER BY FIELD\\(id,1,2,3\\)").MatchString(explainedSQL) {
t.Fatalf("Build Order condition, but got %v", explainedSQL)
}
}
func TestLimit(t *testing.T) {
users := []User{
{Name: "LimitUser1", Age: 1},
{Name: "LimitUser2", Age: 10},
{Name: "LimitUser3", Age: 20},
{Name: "LimitUser4", Age: 10},
{Name: "LimitUser5", Age: 20},
{Name: "LimitUser6", Age: 20},
}
DB.Create(&users)
var users1, users2, users3 []User
DB.Order("age desc").Limit(3).Find(&users1).Limit(5).Find(&users2).Limit(-1).Find(&users3)
if len(users1) != 3 || len(users2) != 5 || len(users3) <= 5 {
t.Errorf("Limit should works, users1 %v users2 %v users3 %v", len(users1), len(users2), len(users3))
}
}
func TestOffset(t *testing.T) {
for i := 0; i < 20; i++ {
DB.Save(&User{Name: fmt.Sprintf("OffsetUser%v", i)})
}
var users1, users2, users3, users4 []User
DB.Limit(100).Where("name like ?", "OffsetUser%").Order("age desc").Find(&users1).Offset(3).Find(&users2).Offset(5).Find(&users3).Offset(-1).Find(&users4)
if (len(users1) != len(users4)) || (len(users1)-len(users2) != 3) || (len(users1)-len(users3) != 5) {
t.Errorf("Offset should work")
}
DB.Where("name like ?", "OffsetUser%").Order("age desc").Find(&users1).Offset(3).Find(&users2).Offset(5).Find(&users3).Offset(-1).Find(&users4)
if (len(users1) != len(users4)) || (len(users1)-len(users2) != 3) || (len(users1)-len(users3) != 5) {
t.Errorf("Offset should work without limit.")
}
}
func TestSearchWithMap(t *testing.T) {
users := []User{
*GetUser("map_search_user1", Config{}),
*GetUser("map_search_user2", Config{}),
*GetUser("map_search_user3", Config{}),
*GetUser("map_search_user4", Config{Company: true}),
}
DB.Create(&users)
var user User
DB.First(&user, map[string]interface{}{"name": users[0].Name})
CheckUser(t, user, users[0])
user = User{}
DB.Where(map[string]interface{}{"name": users[1].Name}).First(&user)
CheckUser(t, user, users[1])
var results []User
DB.Where(map[string]interface{}{"name": users[2].Name}).Find(&results)
if len(results) != 1 {
t.Fatalf("Search all records with inline map")
}
CheckUser(t, results[0], users[2])
var results2 []User
DB.Find(&results2, map[string]interface{}{"name": users[3].Name, "company_id": nil})
if len(results2) != 0 {
t.Errorf("Search all records with inline map containing null value finding 0 records")
}
DB.Find(&results2, map[string]interface{}{"name": users[0].Name, "company_id": nil})
if len(results2) != 1 {
t.Errorf("Search all records with inline map containing null value finding 1 record")
}
DB.Find(&results2, map[string]interface{}{"name": users[3].Name, "company_id": users[3].CompanyID})
if len(results2) != 1 {
t.Errorf("Search all records with inline multiple value map")
}
}
func TestSubQuery(t *testing.T) {
users := []User{
{Name: "subquery_1", Age: 10},
{Name: "subquery_2", Age: 20},
{Name: "subquery_3", Age: 30},
{Name: "subquery_4", Age: 40},
}
DB.Create(&users)
if err := DB.Select("*").Where("name IN (?)", DB.Select("name").Table("users").Where("name LIKE ?", "subquery_%")).Find(&users).Error; err != nil {
t.Fatalf("got error: %v", err)
}
if len(users) != 4 {
t.Errorf("Four users should be found, instead found %d", len(users))
}
DB.Select("*").Where("name LIKE ?", "subquery%").Where("age >= (?)", DB.
Select("AVG(age)").Table("users").Where("name LIKE ?", "subquery%")).Find(&users)
if len(users) != 2 {
t.Errorf("Two users should be found, instead found %d", len(users))
}
}
func TestSubQueryWithRaw(t *testing.T) {
users := []User{
{Name: "subquery_raw_1", Age: 10},
{Name: "subquery_raw_2", Age: 20},
{Name: "subquery_raw_3", Age: 30},
{Name: "subquery_raw_4", Age: 40},
}
DB.Create(&users)
var count int64
err := DB.Raw("select count(*) from (?) tmp",
DB.Table("users").
Select("name").
Where("age >= ? and name in (?)", 20, []string{"subquery_raw_1", "subquery_raw_3"}).
Group("name"),
).Count(&count).Error
if err != nil {
t.Errorf("Expected to get no errors, but got %v", err)
}
if count != 1 {
t.Errorf("Row count must be 1, instead got %d", count)
}
err = DB.Raw("select count(*) from (?) tmp",
DB.Table("users").
Select("name").
Where("name LIKE ?", "subquery_raw%").
Not("age <= ?", 10).Not("name IN (?)", []string{"subquery_raw_1", "subquery_raw_3"}).
Group("name"),
).Count(&count).Error
if err != nil {
t.Errorf("Expected to get no errors, but got %v", err)
}
if count != 2 {
t.Errorf("Row count must be 2, instead got %d", count)
}
}
func TestSubQueryWithHaving(t *testing.T) {
users := []User{
{Name: "subquery_having_1", Age: 10},
{Name: "subquery_having_2", Age: 20},
{Name: "subquery_having_3", Age: 30},
{Name: "subquery_having_4", Age: 40},
}
DB.Create(&users)
var results []User
DB.Select("AVG(age) as avgage").Where("name LIKE ?", "subquery_having%").Group("name").Having("AVG(age) > (?)", DB.
Select("AVG(age)").Where("name LIKE ?", "subquery_having%").Table("users")).Find(&results)
if len(results) != 2 {
t.Errorf("Two user group should be found, instead found %d", len(results))
}
}
func TestScanNullValue(t *testing.T) {
user := GetUser("scan_null_value", Config{})
DB.Create(&user)
if err := DB.Model(&user).Update("age", nil).Error; err != nil {
t.Fatalf("failed to update column age for struct, got error %v", err)
}
var result User
if err := DB.First(&result, "id = ?", user.ID).Error; err != nil {
t.Fatalf("failed to query struct data with null age, got error %v", err)
}
AssertEqual(t, result, user)
users := []User{
*GetUser("scan_null_value_for_slice_1", Config{}),
*GetUser("scan_null_value_for_slice_2", Config{}),
*GetUser("scan_null_value_for_slice_3", Config{}),
}
DB.Create(&users)
if err := DB.Model(&users[0]).Update("age", nil).Error; err != nil {
t.Fatalf("failed to update column age for struct, got error %v", err)
}
var results []User
if err := DB.Find(&results, "name like ?", "scan_null_value_for_slice%").Error; err != nil {
t.Fatalf("failed to query slice data with null age, got error %v", err)
}
}
func TestQueryWithTableAndConditions(t *testing.T) {
result := DB.Session(&gorm.Session{DryRun: true}).Table("user").Find(&User{}, User{Name: "jinzhu"})
if !regexp.MustCompile(`SELECT \* FROM .user. WHERE .user.\..name. = .+ AND .user.\..deleted_at. IS NULL`).MatchString(result.Statement.SQL.String()) {
t.Errorf("invalid query SQL, got %v", result.Statement.SQL.String())
}
}