spec.serialization.NonIntrusive source code

1 /**
2  * Copyright: Copyright (c) 2011 Jacob Carlborg. All rights reserved.
3  * Authors: Jacob Carlborg
4  * Version: Initial created: Aug 18, 2011
5  * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
6  */
7 module spec.serialization.NonIntrusive;
8 
9 import dspec.Dsl;
10 
11 import mambo.core._;
12 import mambo.serialization.Serializer;
13 import mambo.serialization.archives.XmlArchive;
14 import spec.serialization.Util;
15 
16 Serializer serializer;
17 XmlArchive!(char) archive;
18 
19 class Base
20 {
21 	int x;
22 }
23 
24 class Foo : Base
25 {
26 	private int a_;
27 	private int b_;
28 	
29 	int a () { return a_; }
30 	int a (int a) { return a_ = a; }
31 	int b () { return b_; }
32 	int b (int b) { return b_ = b; }
33 }
34 
35 Foo foo;
36 int i;
37 
38 void toData (Foo foo, Serializer serializer, Serializer.Data key)
39 {
40 	i++;
41 	serializer.serialize(foo.a, "a");
42 	serializer.serialize(foo.b, "b");
43 	serializer.serializeBase(foo);
44 }
45 
46 void fromData (ref Foo foo, Serializer serializer, Serializer.Data key)
47 {
48 	i++;
49 	foo.a = serializer.deserialize!(int)("a");
50 	foo.b = serializer.deserialize!(int)("b");
51 	serializer.deserializeBase(foo);
52 }
53 
54 unittest
55 {
56 	archive = new XmlArchive!(char);
57 	serializer = new Serializer(archive);
58 	
59 	foo = new Foo;
60 	foo.a = 3;
61 	foo.b = 4;
62 	foo.x = 5;
63 	i = 3;
64 
65 	describe! "serialize object using a non-intrusive method" in {
66 		it! "should return a custom serialized object" in {
67 			Serializer.registerSerializer!(Foo)(&toData);
68 			Serializer.registerDeserializer!(Foo)(&fromData);
69 			
70 			serializer.serialize(foo);
71 
72 			assert(archive.data().containsDefaultXmlContent());
73 			assert(archive.data().containsXmlTag("object", `runtimeType="spec.serialization.NonIntrusive.Foo" type="spec.serialization.NonIntrusive.Foo" key="0" id="0"`));
74 			assert(archive.data().containsXmlTag("int", `key="a" id="1"`, "3"));
75 			assert(archive.data().containsXmlTag("int", `key="b" id="2"`, "4"));
76 			
77 			assert(archive.data().containsXmlTag("base", `type="spec.serialization.NonIntrusive.Base" key="1" id="3"`));
78 			assert(archive.data().containsXmlTag("int", `key="x" id="4"`, "5"));
79 			
80 			assert(i == 4);
81 		};
82 	};
83 	
84 	describe! "deserialize object using a non-intrusive method" in {
85 		it! "short return a custom deserialized object equal to the original object" in {
86 			auto f = serializer.deserialize!(Foo)(archive.untypedData);
87 
88 			assert(foo.a == f.a);
89 			assert(foo.b == f.b);
90 			assert(foo.x == f.x);
91 
92 			assert(i == 5);
93 			
94 			Serializer.resetSerializers;
95 		};
96 	};
97 }