本文整理汇总了Golang中github.com/luci/gae/service/datastore.IndexDefinition.Ancestor方法的典型用法代码示例。如果您正苦于以下问题：Golang IndexDefinition.Ancestor方法的具体用法？Golang IndexDefinition.Ancestor怎么用？Golang IndexDefinition.Ancestor使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/luci/gae/service/datastore.IndexDefinition的用法示例。
在下文中一共展示了IndexDefinition.Ancestor方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: TestSerializationReadMisc
//.........这里部分代码省略.........
Convey("trunc 1", func() {
p, err := ReadProperty(buf, WithContext, "", "")
So(err, ShouldEqual, io.EOF)
So(p.Type(), ShouldEqual, ds.PTNull)
So(p.Value(), ShouldBeNil)
})
Convey("trunc (PTBytes)", func() {
buf.WriteByte(byte(ds.PTBytes))
_, err := ReadProperty(buf, WithContext, "", "")
So(err, ShouldEqual, io.EOF)
})
Convey("trunc (PTBlobKey)", func() {
buf.WriteByte(byte(ds.PTBlobKey))
_, err := ReadProperty(buf, WithContext, "", "")
So(err, ShouldEqual, io.EOF)
})
Convey("invalid type", func() {
buf.WriteByte(byte(ds.PTUnknown + 1))
_, err := ReadProperty(buf, WithContext, "", "")
So(err, ShouldErrLike, "unknown type!")
})
})
Convey("ReadPropertyMap", func() {
buf := mkBuf(nil)
Convey("trunc 1", func() {
_, err := ReadPropertyMap(buf, WithContext, "", "")
So(err, ShouldEqual, io.EOF)
})
Convey("too many rows", func() {
cmpbin.WriteUint(buf, 1000000)
_, err := ReadPropertyMap(buf, WithContext, "", "")
So(err, ShouldErrLike, "huge number of rows")
})
Convey("trunc 2", func() {
cmpbin.WriteUint(buf, 10)
_, err := ReadPropertyMap(buf, WithContext, "", "")
So(err, ShouldEqual, io.EOF)
})
Convey("trunc 3", func() {
cmpbin.WriteUint(buf, 10)
cmpbin.WriteString(buf, "ohai")
_, err := ReadPropertyMap(buf, WithContext, "", "")
So(err, ShouldEqual, io.EOF)
})
Convey("too many values", func() {
cmpbin.WriteUint(buf, 10)
cmpbin.WriteString(buf, "ohai")
cmpbin.WriteUint(buf, 100000)
_, err := ReadPropertyMap(buf, WithContext, "", "")
So(err, ShouldErrLike, "huge number of properties")
})
Convey("trunc 4", func() {
cmpbin.WriteUint(buf, 10)
cmpbin.WriteString(buf, "ohai")
cmpbin.WriteUint(buf, 10)
_, err := ReadPropertyMap(buf, WithContext, "", "")
So(err, ShouldEqual, io.EOF)
})
})
Convey("IndexDefinition", func() {
id := ds.IndexDefinition{Kind: "kind"}
data := ToBytes(*id.PrepForIdxTable())
newID, err := ReadIndexDefinition(mkBuf(data))
So(err, ShouldBeNil)
So(newID.Flip(), ShouldResemble, id.Normalize())
id.SortBy = append(id.SortBy, ds.IndexColumn{Property: "prop"})
data = ToBytes(*id.PrepForIdxTable())
newID, err = ReadIndexDefinition(mkBuf(data))
So(err, ShouldBeNil)
So(newID.Flip(), ShouldResemble, id.Normalize())
id.SortBy = append(id.SortBy, ds.IndexColumn{Property: "other", Direction: ds.DESCENDING})
id.Ancestor = true
data = ToBytes(*id.PrepForIdxTable())
newID, err = ReadIndexDefinition(mkBuf(data))
So(err, ShouldBeNil)
So(newID.Flip(), ShouldResemble, id.Normalize())
// invalid
id.SortBy = append(id.SortBy, ds.IndexColumn{Property: "", Direction: ds.DESCENDING})
data = ToBytes(*id.PrepForIdxTable())
newID, err = ReadIndexDefinition(mkBuf(data))
So(err, ShouldBeNil)
So(newID.Flip(), ShouldResemble, id.Normalize())
Convey("too many", func() {
id := ds.IndexDefinition{Kind: "wat"}
for i := 0; i < MaxIndexColumns+1; i++ {
id.SortBy = append(id.SortBy, ds.IndexColumn{Property: "Hi", Direction: ds.ASCENDING})
}
data := ToBytes(*id.PrepForIdxTable())
newID, err = ReadIndexDefinition(mkBuf(data))
So(err, ShouldErrLike, "over 64 sort orders")
})
})
})
}