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 #alt2#module test_serialization_alt2 is serialize
  18
  19 import serialization
  20 import json::serialization
  21
  22 # Simple class
  23 class A
  24         serialize
  25
  26         var b = false
  27         var f: Float
  28         var c: Char#alt2#
  29         #alt2#var c: Char is noserialize
  30         var i = 123
  31         var s = "asdf"
  32         var n: nullable Int
  33         var array = new Array[nullable Object].with_items(88, "hello", null)
  34
  35         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int)
  36         do
  37                 self.b = b
  38                 self.c = c
  39                 self.f = f
  40                 self.i = i
  41                 self.s = s
  42         end
  43
  44         redef fun to_s do return "<A: {b} {c} {f} {i} {s} {n != null}>"
  45 end
  46
  47 # Sub-class of A
  48 class B
  49         auto_serializable#alt2##alt3#
  50 #alt2#  noserialize
  51 #alt3#  noserialize
  52         super A
  53
  54         var ii: Int
  55         var ss: String
  56
  57         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int, ii: Int, ss: String)
  58         do
  59                 super(b, c, f, i, s, n)
  60
  61                 self.ii = ii
  62                 self.ss = ss
  63         end
  64
  65         redef fun to_s do return "<B: {super} {ii} {ss}>"
  66 end
  67
  68 # Composed of an A and a B
  69 class C
  70         auto_serializable
  71
  72         var a: A
  73         var b = new B(false, 'b', 123.123, 2345, "hjkl", 12, 1111, "qwer")
  74         var aa: A
  75
  76         init(a: A, b: B)
  77         do
  78                 self.a = a
  79                 self.b = b
  80                 self.aa = a
  81         end
  82
  83         redef fun to_s do return "<C: {a} {b}>"
  84 end
  85
  86 # Class with cyclic reference
  87 class D
  88         auto_serializable
  89         super B
  90
  91         var d: nullable D = null
  92
  93         redef fun to_s do return "<D: {super} {d != null}>"
  94 end
  95
  96 var a = new A(true, 'a', 0.1234, 1234, "asdf", null)
  97 var b = new B(false, 'b', 123.123, 2345, "hjkl", 12, 1111, "qwer")
  98 var c = new C(a, b)
  99 var d = new D(false, 'b', 123.123, 2345, "new line ->\n<-", null, 1111, "\t\f\"\r\\/")
 100 d.d = d
 101
 102 for o in new Array[Serializable].with_items(a, b, c, d) do
 103         var stream = new StringWriter
 104         var serializer = new JsonSerializer(stream)
 105         #alt1#serializer.plain_json = true
 106         serializer.serialize(o)
 107
 108         print "# Nit:\n{o}\n"
 109         print "# Json:\n{stream}\n"
 110 end