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 #alt5#  serialize
  26
  27         var b = false
  28         var c: Char#alt2#
  29         #alt2#var c: Char is noserialize
  30         var f: Float#alt4#
  31         #alt4#var f: Float is serialize
  32         var i = 123
  33         var s = "asdf"
  34         var n: nullable Int
  35         var array = new Array[nullable Object].with_items(88, "hello", null)
  36
  37         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int)
  38         do
  39                 self.b = b
  40                 self.c = c
  41                 self.f = f
  42                 self.i = i
  43                 self.s = s
  44         end
  45
  46         redef fun to_s do return "<A: {b} {c} {f} {i} {s} {n != null}>"
  47 end
  48
  49 # Sub-class of A
  50 class B
  51         auto_serializable#alt2##alt3#
  52 #alt2#  noserialize
  53 #alt3#  noserialize
  54         super A
  55
  56         var ii: Int
  57         var ss: String
  58
  59         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int, ii: Int, ss: String)
  60         do
  61                 super(b, c, f, i, s, n)
  62
  63                 self.ii = ii
  64                 self.ss = ss
  65         end
  66
  67         redef fun to_s do return "<B: {super} {ii} {ss}>"
  68 end
  69
  70 # Composed of an A and a B
  71 class C
  72         auto_serializable
  73
  74         var a: A
  75         var b = new B(false, 'b', 123.123, 2345, "hjkl", 12, 1111, "qwer")
  76         var aa: A
  77
  78         init(a: A, b: B)
  79         do
  80                 self.a = a
  81                 self.b = b
  82                 self.aa = a
  83         end
  84
  85         redef fun to_s do return "<C: {a} {b}>"
  86 end
  87
  88 # Class with cyclic reference
  89 class D
  90         auto_serializable
  91         super B
  92
  93         var d: nullable D = null
  94
  95         redef fun to_s do return "<D: {super} {d != null}>"
  96 end
  97
  98 var a = new A(true, 'a', 0.1234, 1234, "asdf", null)
  99 var b = new B(false, 'b', 123.123, 2345, "hjkl", 12, 1111, "qwer")
 100 var c = new C(a, b)
 101 var d = new D(false, 'b', 123.123, 2345, "new line ->\n<-", null, 1111, "\t\f\"\r\\/")
 102 d.d = d
 103
 104 for o in new Array[Serializable].with_items(a, b, c, d) do
 105         var stream = new StringWriter
 106         var serializer = new JsonSerializer(stream)
 107         #alt1#serializer.plain_json = true
 108         serializer.serialize(o)
 109
 110         print "# Nit:\n{o}\n"
 111         print "# Json:\n{stream}\n"
 112 end