forked from mirror/gorm
92 lines
2.8 KiB
Go
92 lines
2.8 KiB
Go
package gorm_test
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import "testing"
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type BasePost struct {
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Id int64
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Title string
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URL string
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}
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type Author struct {
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ID string
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Name string
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Email string
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}
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type HNPost struct {
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BasePost
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Author `gorm:"embedded_prefix:user_"` // Embedded struct
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Upvotes int32
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}
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type EngadgetPost struct {
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BasePost BasePost `gorm:"embedded"`
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Author Author `gorm:"embedded;embedded_prefix:author_"` // Embedded struct
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ImageUrl string
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}
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func TestPrefixColumnNameForEmbeddedStruct(t *testing.T) {
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dialect := DB.NewScope(&EngadgetPost{}).Dialect()
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engadgetPostScope := DB.NewScope(&EngadgetPost{})
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if !dialect.HasColumn(engadgetPostScope.TableName(), "author_id") || !dialect.HasColumn(engadgetPostScope.TableName(), "author_name") || !dialect.HasColumn(engadgetPostScope.TableName(), "author_email") {
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t.Errorf("should has prefix for embedded columns")
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}
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if len(engadgetPostScope.PrimaryFields()) != 1 {
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t.Errorf("should have only one primary field with embedded struct, but got %v", len(engadgetPostScope.PrimaryFields()))
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}
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hnScope := DB.NewScope(&HNPost{})
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if !dialect.HasColumn(hnScope.TableName(), "user_id") || !dialect.HasColumn(hnScope.TableName(), "user_name") || !dialect.HasColumn(hnScope.TableName(), "user_email") {
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t.Errorf("should has prefix for embedded columns")
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}
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}
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func TestSaveAndQueryEmbeddedStruct(t *testing.T) {
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DB.Save(&HNPost{BasePost: BasePost{Title: "news"}})
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DB.Save(&HNPost{BasePost: BasePost{Title: "hn_news"}})
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var news HNPost
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if err := DB.First(&news, "title = ?", "hn_news").Error; err != nil {
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t.Errorf("no error should happen when query with embedded struct, but got %v", err)
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} else if news.Title != "hn_news" {
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t.Errorf("embedded struct's value should be scanned correctly")
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}
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DB.Save(&EngadgetPost{BasePost: BasePost{Title: "engadget_news"}})
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var egNews EngadgetPost
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if err := DB.First(&egNews, "title = ?", "engadget_news").Error; err != nil {
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t.Errorf("no error should happen when query with embedded struct, but got %v", err)
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} else if egNews.BasePost.Title != "engadget_news" {
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t.Errorf("embedded struct's value should be scanned correctly")
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}
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if DB.NewScope(&HNPost{}).PrimaryField() == nil {
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t.Errorf("primary key with embedded struct should works")
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}
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for _, field := range DB.NewScope(&HNPost{}).Fields() {
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if field.Name == "BasePost" {
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t.Errorf("scope Fields should not contain embedded struct")
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}
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}
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}
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func TestEmbeddedPointerTypeStruct(t *testing.T) {
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type HNPost struct {
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*BasePost
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Upvotes int32
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}
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DB.Create(&HNPost{BasePost: &BasePost{Title: "embedded_pointer_type"}})
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var hnPost HNPost
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if err := DB.First(&hnPost, "title = ?", "embedded_pointer_type").Error; err != nil {
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t.Errorf("No error should happen when find embedded pointer type, but got %v", err)
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}
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if hnPost.Title != "embedded_pointer_type" {
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t.Errorf("Should find correct value for embedded pointer type")
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}
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}
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