114 lines
2.2 KiB
Go
114 lines
2.2 KiB
Go
package gorm_test
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import (
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"sync"
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"testing"
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"github.com/jinzhu/gorm"
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)
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type ModelA struct {
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gorm.Model
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Name string
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ModelCs []ModelC `gorm:"foreignkey:OtherAID"`
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}
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type ModelB struct {
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gorm.Model
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Name string
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ModelCs []ModelC `gorm:"foreignkey:OtherBID"`
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}
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type ModelC struct {
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gorm.Model
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Name string
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OtherAID uint64
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OtherA *ModelA `gorm:"foreignkey:OtherAID"`
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OtherBID uint64
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OtherB *ModelB `gorm:"foreignkey:OtherBID"`
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}
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// This test will try to cause a race condition on the model's foreignkey metadata
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func TestModelStructRaceSameModel(t *testing.T) {
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// use a WaitGroup to execute as much in-sync as possible
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// it's more likely to hit a race condition than without
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n := 32
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start := sync.WaitGroup{}
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start.Add(n)
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// use another WaitGroup to know when the test is done
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done := sync.WaitGroup{}
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done.Add(n)
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for i := 0; i < n; i++ {
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go func() {
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start.Wait()
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// call GetStructFields, this had a race condition before we fixed it
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DB.NewScope(&ModelA{}).GetStructFields()
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done.Done()
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}()
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start.Done()
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}
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done.Wait()
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}
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// This test will try to cause a race condition on the model's foreignkey metadata
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func TestModelStructRaceDifferentModel(t *testing.T) {
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// use a WaitGroup to execute as much in-sync as possible
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// it's more likely to hit a race condition than without
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n := 32
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start := sync.WaitGroup{}
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start.Add(n)
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// use another WaitGroup to know when the test is done
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done := sync.WaitGroup{}
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done.Add(n)
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for i := 0; i < n; i++ {
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i := i
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go func() {
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start.Wait()
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// call GetStructFields, this had a race condition before we fixed it
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if i%2 == 0 {
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DB.NewScope(&ModelA{}).GetStructFields()
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} else {
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DB.NewScope(&ModelB{}).GetStructFields()
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}
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done.Done()
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}()
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start.Done()
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}
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done.Wait()
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}
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type ModelSameColumnName struct {
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gorm.Model
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ID string `gorm:"column:id"`
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}
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func TestModelStructIgnoreNoTagSameDBNameColumn(t *testing.T) {
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sf := DB.NewScope(&ModelSameColumnName{}).GetStructFields()
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columnIDcount := 0
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for _, v := range sf {
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if v.DBName == "id" {
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columnIDcount++
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}
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}
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if columnIDcount > 1 {
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t.Fatal("fields that have same DBName, while containing no column tag are not being ignored")
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}
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}
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