Function TestManyToManyWithCustomizedForeignKeys2

tests/multi_primary_keys_test.go:269–424

(t *testing.T)

}

func TestManyToManyWithCustomizedForeignKeys2(t *testing.T) {
	if name := DB.Dialector.Name(); name == "sqlite" || name == "sqlserver" {
		t.Skip("skip sqlite, sqlserver due to it doesn't support multiple primary keys with auto increment")
	}

	if name := DB.Dialector.Name(); name == "postgres" || name == "mysql" {
		t.Skip("skip postgres due to it only allow unique constraint matching given keys")
	}

	if name := DB.Dialector.Name(); name == "gaussdb" {
		t.Skip("skip gaussdb due to it only allow unique constraint matching given keys")
	}

	DB.Migrator().DropTable(&Blog{}, &Tag{}, "blog_tags", "locale_blog_tags", "shared_blog_tags")
	if err := DB.AutoMigrate(&Blog{}, &Tag{}); err != nil {
		t.Fatalf("Failed to auto migrate, got error: %v", err)
	}

	blog := Blog{
		Locale:  "ZH",
		Subject: "subject",
		Body:    "body",
		LocaleTags: []Tag{
			{Locale: "ZH", Value: "tag1"},
			{Locale: "ZH", Value: "tag2"},
		},
	}
	DB.Save(&blog)

	blog2 := Blog{
		ID:     blog.ID,
		Locale: "EN",
	}
	DB.Create(&blog2)

	// Append
	tag3 := &Tag{Locale: "ZH", Value: "tag3"}
	DB.Model(&blog).Association("LocaleTags").Append([]*Tag{tag3})
	if !compareTags(blog.LocaleTags, []string{"tag1", "tag2", "tag3"}) {
		t.Fatalf("Blog should has three tags after Append")
	}

	if DB.Model(&blog).Association("LocaleTags").Count() != 3 {
		t.Fatalf("Blog should has three tags after Append")
	}

	if DB.Model(&blog2).Association("LocaleTags").Count() != 0 {
		t.Fatalf("EN Blog should has 0 tags after ZH Blog Append")
	}

	var tags []Tag
	DB.Model(&blog).Association("LocaleTags").Find(&tags)
	if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
		t.Fatalf("Should find 3 tags")
	}

	DB.Model(&blog2).Association("LocaleTags").Find(&tags)
	if len(tags) != 0 {