mirror of https://github.com/go-gorm/gorm.git
47 lines
964 B
Go
47 lines
964 B
Go
package gorm_test
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import (
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"fmt"
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"os"
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"testing"
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)
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type Blog struct {
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ID uint `gorm:"primary_key"`
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Locale string `gorm:"primary_key"`
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Subject string
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Body string
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Tags []Tag `gorm:"many2many:blog_tags;"`
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}
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type Tag struct {
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ID uint `gorm:"primary_key"`
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Locale string `gorm:"primary_key"`
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Value string
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}
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func TestManyToManyWithMultiPrimaryKeys(t *testing.T) {
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if dialect := os.Getenv("GORM_DIALECT"); dialect != "" && dialect != "sqlite" {
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DB.Exec(fmt.Sprintf("drop table blog_tags;"))
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DB.AutoMigrate(&Blog{}, &Tag{})
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blog := Blog{
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Locale: "ZH",
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Subject: "subject",
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Body: "body",
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Tags: []Tag{
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{Locale: "ZH", Value: "tag1"},
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{Locale: "ZH", Value: "tag2"},
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},
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}
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DB.Save(&blog)
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DB.Model(&blog).Association("Tags").Append([]Tag{{Locale: "ZH", Value: "tag3"}})
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var tags []Tag
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DB.Model(&blog).Related(&tags, "Tags")
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if len(tags) != 3 {
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t.Errorf("should found 3 tags with blog")
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}
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}
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}
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