tests/test_serialization.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 import serialization
  18 import json_serialization
  19
  20 # Simple class
  21 class A
  22         auto_serializable
  23         super Serializable
  24
  25         var b: Bool
  26         var c: Char
  27         var f: Float
  28         var i: Int
  29         var s: String
  30         var n: nullable Int
  31         var array: Array[nullable Object] = new Array[nullable Object].with_items(88, "hello", null)
  32
  33         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int)
  34         do
  35                 self.b = b
  36                 self.c = c
  37                 self.f = f
  38                 self.i = i
  39                 self.s = s
  40         end
  41
  42         redef fun to_s do return "<A: {b} {c} {f} {i} {s} {n != null}>"
  43 end
  44
  45 # Sub-class of A
  46 class B
  47         auto_serializable
  48         super A
  49
  50         var ii: Int
  51         var ss: String
  52
  53         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int, ii: Int, ss: String)
  54         do
  55                 super(b, c, f, i, s, n)
  56
  57                 self.ii = ii
  58                 self.ss = ss
  59         end
  60
  61         redef fun to_s do return "<B: {super} {ii} {ss}>"
  62 end
  63
  64 # Composed of an A and a B
  65 class C
  66         auto_serializable
  67         super Serializable
  68
  69         var a: A
  70         var b: B
  71         var aa: A
  72
  73         init(a: A, b: B)
  74         do
  75                 self.a = a
  76                 self.b = b
  77                 self.aa = a
  78         end
  79
  80         redef fun to_s do return "<C: {a} {b}>"
  81 end
  82
  83 # Class with cyclic reference
  84 class D
  85         auto_serializable
  86         super B
  87
  88         var d: nullable D = null
  89
  90         redef fun to_s do return "<D: {super} {d != null}>"
  91 end
  92
  93 var a = new A(true, 'a', 0.1234, 1234, "asdf", null)
  94 var b = new B(false, 'b', 123.123, 2345, "hjkl", 12, 1111, "qwer")
  95 var c = new C(a, b)
  96 var d = new D(false, 'b', 123.123, 2345, "new line ->\n<-", null, 1111, "\t\f\"\r\\/")
  97 d.d = d
  98
  99 for o in new Array[nullable Serializable].with_items(a, b, c, d) do
 100         var stream = new StringOStream
 101         var serializer = new JsonSerializer(stream)
 102         serializer.serialize(o)
 103
 104         print "# Nit:\n{o}\n"
 105         print "# Json:\n{stream}\n"
 106 end