本文介绍了为什么我会收到“无效的实体类型”与datastore.Put使用Go AppEngine aetest中的datastore.PropertyList?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

此测试以 partnermerge_test.go:22:datastore:无效实体类型
$ b

This test fails with partnermerge_test.go:22: datastore: invalid entity type

package bigdipper

import (
    "testing"

    "appengine/aetest"
    "appengine/datastore"
)

func TestCreateMigrationProposal(t *testing.T) {
    c, err := aetest.NewContext(nil)
    if err != nil {
            t.Fatal(err)
    }
    defer c.Close()
    if _, err := datastore.Put(
            c,
            datastore.NewKey(c, "ORDER", "order-id-1", 0, nil),
            datastore.PropertyList{}); err != nil {
            t.Fatal(err)
    }
}


推荐答案

表示:

The docs for the datastore.Put function say:

当试图将PropertyList作为 src 使用时,这有点令人困惑。 PropertyList不实现PropertyLoadSaver,但是* PropertyList的确。添加&在PropertyList之前得到一个指向它的指针修复了这个测试。

This was somewhat confusing when trying to use this with a PropertyList as the src. A PropertyList does not implement PropertyLoadSaver, but a *PropertyList does. Adding an & before PropertyList to get a pointer to it fixes this test.

package bigdipper

import (
    "testing"

    "appengine/aetest"
    "appengine/datastore"
)

func TestCreateMigrationProposal(t *testing.T) {
    c, err := aetest.NewContext(nil)
    if err != nil {
            t.Fatal(err)
    }
    defer c.Close()
    if _, err := datastore.Put(
            c,
            datastore.NewKey(c, "ORDER", "order-id-1", 0, nil),
            &datastore.PropertyList{}); err != nil {
            t.Fatal(err)
    }
}

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11-03 10:49