Add 'user friendly' datastore API.

service/rawdatastore/invertible_test.go

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package rawdatastore
-
-import (
-        "bytes"
-        "testing"
-
-        . "github.com/smartystreets/goconvey/convey"
-)
-
-func TestInvertible(t *testing.T) {
-        t.Parallel()
-
-        Convey("Test InvertibleByteBuffer", t, func() {
-                inv := Invertible(&bytes.Buffer{})
-
-                Convey("normal writing", func() {
-                        Convey("Write", func() {
-                                n, err := inv.Write([]byte("hello"))
-                                So(err, ShouldBeNil)
-                                So(n, ShouldEqual, 5)
-                                So(inv.String(), ShouldEqual, "hello")
-                        })
-                        Convey("WriteString", func() {
-                                n, err := inv.WriteString("hello")
-                                So(err, ShouldBeNil)
-                                So(n, ShouldEqual, 5)
-                                So(inv.String(), ShouldEqual, "hello")
-                        })
-                        Convey("WriteByte", func() {
-                                for i := byte('a'); i < 'f'; i++ {
-                                        err := inv.WriteByte(i)
-                                        So(err, ShouldBeNil)
-                                }
-                                So(inv.String(), ShouldEqual, "abcde")
-
-                                Convey("ReadByte", func() {
-                                        for i := 0; i < 5; i++ {
-                                                b, err := inv.ReadByte()
-                                                So(err, ShouldBeNil)
-                                                So(b, ShouldEqual, byte('a')+byte(i))
-                                        }
-                                })
-                        })
-                })
-                Convey("inverted writing", func() {
-                        inv.Invert()
-                        Convey("Write", func() {
-                                n, err := inv.Write([]byte("hello"))
-                                So(err, ShouldBeNil)
-                                So(n, ShouldEqual, 5)
-                                So(inv.String(), ShouldEqual, "\x97\x9a\x93\x93\x90")
-                        })
-                        Convey("WriteString", func() {
-                                n, err := inv.WriteString("hello")
-                                So(err, ShouldBeNil)
-                                So(n, ShouldEqual, 5)
-                                So(inv.String(), ShouldEqual, "\x97\x9a\x93\x93\x90")
-                        })
-                        Convey("WriteByte", func() {
-                                for i := byte('a'); i < 'f'; i++ {
-                                        err := inv.WriteByte(i)
-                                        So(err, ShouldBeNil)
-                                }
-                                So(inv.String(), ShouldEqual, "\x9e\x9d\x9c\x9b\x9a")
-
-                                Convey("ReadByte", func() {
-                                        for i := 0; i < 5; i++ {
-                                                b, err := inv.ReadByte()
-                                                So(err, ShouldBeNil)
-                                                So(b, ShouldEqual, byte('a')+byte(i)) // inverted back to normal
-                                        }
-                                })
-                        })
-                })
-                Convey("Toggleable", func() {
-                        inv.Invert()
-                        n, err := inv.Write([]byte("hello"))
-                        So(err, ShouldBeNil)
-                        inv.Invert()
-                        n, err = inv.Write([]byte("hello"))
-                        So(n, ShouldEqual, 5)
-                        So(inv.String(), ShouldEqual, "\x97\x9a\x93\x93\x90hello")
-                })
-        })
-}