gorm/tests/scopes_test.go

130 lines
3.3 KiB
Go

package tests_test
import (
"context"
"testing"
"gorm.io/gorm"
. "gorm.io/gorm/utils/tests"
)
func NameIn1And2(d *gorm.DB) *gorm.DB {
return d.Where("name in (?)", []string{"ScopeUser1", "ScopeUser2"})
}
func NameIn2And3(d *gorm.DB) *gorm.DB {
return d.Where("name in (?)", []string{"ScopeUser2", "ScopeUser3"})
}
func NameIn(names []string) func(d *gorm.DB) *gorm.DB {
return func(d *gorm.DB) *gorm.DB {
return d.Where("name in (?)", names)
}
}
func TestScopes(t *testing.T) {
users := []*User{
GetUser("ScopeUser1", Config{}),
GetUser("ScopeUser2", Config{}),
GetUser("ScopeUser3", Config{}),
}
DB.Create(&users)
var users1, users2, users3 []User
DB.Scopes(NameIn1And2).Find(&users1)
if len(users1) != 2 {
t.Errorf("Should found two users's name in 1, 2, but got %v", len(users1))
}
DB.Scopes(NameIn1And2, NameIn2And3).Find(&users2)
if len(users2) != 1 {
t.Errorf("Should found one user's name is 2, but got %v", len(users2))
}
DB.Scopes(NameIn([]string{users[0].Name, users[2].Name})).Find(&users3)
if len(users3) != 2 {
t.Errorf("Should found two users's name in 1, 3, but got %v", len(users3))
}
db := DB.Scopes(func(tx *gorm.DB) *gorm.DB {
return tx.Table("custom_table")
}).Session(&gorm.Session{})
db.AutoMigrate(&User{})
if db.Find(&User{}).Statement.Table != "custom_table" {
t.Errorf("failed to call Scopes")
}
result := DB.Scopes(NameIn1And2, func(tx *gorm.DB) *gorm.DB {
return tx.Session(&gorm.Session{})
}).Find(&users1)
if result.RowsAffected != 2 {
t.Errorf("Should found two users's name in 1, 2, but got %v", result.RowsAffected)
}
var maxId int64
userTable := func(db *gorm.DB) *gorm.DB {
return db.WithContext(context.Background()).Table("users")
}
if err := DB.Scopes(userTable).Select("max(id)").Scan(&maxId).Error; err != nil {
t.Errorf("select max(id)")
}
}
func TestComplexScopes(t *testing.T) {
tests := []struct {
name string
queryFn func(tx *gorm.DB) *gorm.DB
expected string
}{
{
name: "depth_1",
queryFn: func(tx *gorm.DB) *gorm.DB {
return tx.Scopes(
func(d *gorm.DB) *gorm.DB { return d.Where("a = 1") },
func(d *gorm.DB) *gorm.DB {
return d.Where(DB.Or("b = 2").Or("c = 3"))
},
).Find(&Language{})
},
expected: `SELECT * FROM "languages" WHERE a = 1 AND (b = 2 OR c = 3)`,
}, {
name: "depth_1_pre_cond",
queryFn: func(tx *gorm.DB) *gorm.DB {
return tx.Where("z = 0").Scopes(
func(d *gorm.DB) *gorm.DB { return d.Where("a = 1") },
func(d *gorm.DB) *gorm.DB {
return d.Or(DB.Where("b = 2").Or("c = 3"))
},
).Find(&Language{})
},
expected: `SELECT * FROM "languages" WHERE z = 0 AND a = 1 OR (b = 2 OR c = 3)`,
}, {
name: "depth_2",
queryFn: func(tx *gorm.DB) *gorm.DB {
return tx.Scopes(
func(d *gorm.DB) *gorm.DB { return d.Model(&Language{}) },
func(d *gorm.DB) *gorm.DB {
return d.
Or(DB.Scopes(
func(d *gorm.DB) *gorm.DB { return d.Where("a = 1") },
func(d *gorm.DB) *gorm.DB { return d.Where("b = 2") },
)).
Or("c = 3")
},
func(d *gorm.DB) *gorm.DB { return d.Where("d = 4") },
).Find(&Language{})
},
expected: `SELECT * FROM "languages" WHERE d = 4 OR c = 3 OR (a = 1 AND b = 2)`,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
assertEqualSQL(t, test.expected, DB.ToSQL(test.queryFn))
})
}
}