public void demoDefaultingForUserguide()
{
// create the test data
ManyDefaultsTestData md = new ManyDefaultsTestData();
// create an aliaser to create identifiers for types
// must emit valid js property name distinct for each class
// typically a number is used to reduce size
TypeAliaser aliaser = TypeAliaserUtils.createNumericTypeNameAliaser();
//focus on serializing fields
NodeExpander nodeExpander = new FieldReflectionNodeExpander();
// find the defaults - this is a one off
// only necessary once per schemachange
DefaultFinder df = new DefaultFinder();
// this method just searches through the type structure
LeafDefaultSet lds = df.getDefaultsForAllLinkedObjects(md, nodeExpander);
// create a dictionary of default values - this is a one off per schemachange
Dictionary <string, Defaults4Class> defaultValues = lds.getAlias2Defaults(aliaser);
Object2Json o2J = new Object2Json();
o2J.TypeAliaser = aliaser;
o2J.NodeExpander = nodeExpander;
// make the format prettier
o2J.IndentSize = 2;
// create javascript representing the dictionary of defaults
String defaultValuesJson = o2J.toJson(defaultValues);
System.Console.WriteLine("defaultValuesJson=" + defaultValuesJson);
// serialise without defaults
o2J.OmitDefaultLeafValuesInJs = true;
o2J.LeafDefaultSet = lds;
o2J.OmitMarkAsArrayFunction = false;
String withoutDefaultsLeafValuesJS = o2J.toJson(md);
System.Console.WriteLine("withoutDefaultsLeafValuesJS=" + withoutDefaultsLeafValuesJS);
// serialise with defaults
o2J.OmitDefaultLeafValuesInJs = false;
o2J.LeafDefaultSet = lds;
o2J.TypeAliaser = aliaser;
String withDefaultLeafValuesJS = o2J.toJson(md);
System.Console.WriteLine("withDefaultLeafValuesJS=" + withDefaultLeafValuesJS);
JSExcuteUtil.JsonValueSet valueSet = new JSExcuteUtil.JsonValueSet();
valueSet.json = o2J.LeafDefaultResolverFunctionName + "(" + withoutDefaultsLeafValuesJS + ")";
valueSet.varname = "defaulted";
valueSet.extraFunctions.Add(o2J.getLeafDefaultResolverJS(aliaser));
valueSet.extraFunctions.Add(o2J.getMarkAsArrayJSFunction());
valueSet.significance = "serialised without default values and restore with standard restore js function";
valueSet.expressions2ExpectedValue["stringValuesArr[1].str2"] = md.stringValuesArr[1].str2;
valueSet.expressions2ExpectedValue["stringValuesArr[2].aReallyReallyReallyLongName"] = md.stringValuesArr[2].aReallyReallyReallyLongName;
Dictionary <string, object> values = util.extractValuesFromJson(valueSet, GetType().Name + "." + "demoDefaultingForUserguide");
}
public void testDefaultingWritingDefaultsBit()
{
//todo autoreject invalid js aliases e.g. numberot dot contained
Object2Json o2j = new Object2Json();
DefaultFinder df = new DefaultFinder();
ManyDefaultsTestData md = new ManyDefaultsTestData();
TypeAliaser aliaser = delegate(Type type)
{
return(type.FullName.Replace('.', '_').Replace('+', '_'));
};
// need to pass in class name aliasing scheme
// this will fail if aliases are not valid js propert names
Dictionary <string, Defaults4Class> defaultsJS;
String[] expressions;
object[] expectedValues;
NodeExpander nodeExpander = new FieldReflectionNodeExpander();
LeafDefaultSet lds = df.getDefaultsForAllLinkedObjects(md, new FieldReflectionNodeExpander());
defaultsJS = lds.getAlias2Defaults(aliaser);
expressions = new string[] { aliaser(md.GetType()) + ".propertyName2DefaultValue" + ".i1",
aliaser(typeof(ManyDefaultsTestData.StringValues)) + ".propertyName2DefaultValue" + ".str3" };
expectedValues = new object[] { md.i1, md.stringValues.str3 };
//check that the defaults serialise OK first
Object2Json o2J = new Object2Json();
o2J.NodeExpander = nodeExpander;
o2J.IndentSize = 2;
String json = o2J.toJson(defaultsJS);
validateJSON(json, expressions, expectedValues, "testDefaultingWritingDefaultsBit.simplealias", "using a verbose class aliaser");
// try a numeric aliaser
aliaser = TypeAliaserUtils.createNumericTypeNameAliaser();
lds = df.getDefaultsForAllLinkedObjects(md, new FieldReflectionNodeExpander());
defaultsJS = lds.getAlias2Defaults(aliaser);
expressions = new string[] { aliaser(md.GetType()) + ".propertyName2DefaultValue" + ".i1",
aliaser(typeof(ManyDefaultsTestData.StringValues)) + ".propertyName2DefaultValue" + ".str3" };
o2J.IndentSize = 2;
json = o2J.toJson(defaultsJS);
validateJSON(json, expressions, expectedValues, "testDefaultingWritingDefaultsBit.numericliaser", "using a compact numeric aliaser");
}
public void testDefaulting()
{
//todo autoreject invalid js aliases e.g. numberot dot contained
//Object2Json o2j = new Object2Json();
DefaultFinder df = new DefaultFinder();
ManyDefaultsTestData md = new ManyDefaultsTestData();
TypeAliaser aliaser = delegate(Type type)
{
return(type.FullName.Replace('.', '_').Replace('+', '_'));
};
// need to pass in class name aliasing scheme
// this will fail if aliases are not valid js propert names
Dictionary <string, Defaults4Class> defaultsJS;
String[] expressions;
object[] expectedValues;
NodeExpander nodeExpander = new FieldReflectionNodeExpander();
LeafDefaultSet lds = df.getDefaultsForAllLinkedObjects(md, new FieldReflectionNodeExpander());
defaultsJS = lds.getAlias2Defaults(aliaser);
expressions = new string[] { aliaser(md.GetType()) + ".propertyName2DefaultValue" + ".i1",
aliaser(typeof(ManyDefaultsTestData.StringValues)) + ".propertyName2DefaultValue" + ".str3" };
expectedValues = new object[] { md.i1, md.stringValues.str3 };
//check that the defaults serialise OK first
Object2Json o2J = new Object2Json();
// should test with this as false
o2J.UseReferences = true;
o2J.NodeExpander = nodeExpander;
o2J.IndentSize = 2;
String json = o2J.toJson(defaultsJS);
validateJSON(json, expressions, expectedValues, "testDefaulting.defaultMap", " check access to serialised defaults, class names are aliased replacing '.' with '_'");
aliaser = TypeAliaserUtils.createNumericTypeNameAliaser();
lds = df.getDefaultsForAllLinkedObjects(md, new FieldReflectionNodeExpander());
defaultsJS = lds.getAlias2Defaults(aliaser);
expressions = new string[] { aliaser(md.GetType()) + ".propertyName2DefaultValue" + ".i1",
aliaser(typeof(ManyDefaultsTestData.StringValues)) + ".propertyName2DefaultValue" + ".str3" };
o2J.IndentSize = 2;
json = o2J.toJson(defaultsJS);
validateJSON(json, expressions, expectedValues, "testDefaulting", "check access to serialised defaults, classnames are aliases with numbers");
// serialise with defaults
o2J.OmitDefaultLeafValuesInJs = false;
String withDefaultLeafValuesJS = o2J.toJson(md);
// serialise without defaults
o2J.OmitDefaultLeafValuesInJs = true;
o2J.LeafDefaultSet = lds;
o2J.OmitMarkAsArrayFunction = false;
o2J.TypeAliaser = aliaser;
String withoutDefaultsLeafValuesJS = o2J.toJson(md);
float minimumDefaultingCompression = 2.0F;
// check sizes is much smaller with defaults
int maximumCompressedLength = (int)(((float)withDefaultLeafValuesJS.Length) / minimumDefaultingCompression);
object [] vals = { withDefaultLeafValuesJS.Length };
Assert.IsTrue(withoutDefaultsLeafValuesJS.Length < maximumCompressedLength, "without default compression length=" + withDefaultLeafValuesJS.Length +
" without default leaf values length=" + withoutDefaultsLeafValuesJS.Length + " but expected less than " + maximumCompressedLength + " (compression better than " + minimumDefaultingCompression + ")");
// check defaulted values are undefined if undefault is not called
expressions = new string[] { "i2", "stringValues.str3", "stringValues.str2", "stringValues.str1", "i1", "i4", "stringValuesArr[0].str1" };
expectedValues = new object[expressions.Length]; // assume initialised to null !!
md.i2 = 6789;
expectedValues[0] = md.i2;
withoutDefaultsLeafValuesJS = o2J.toJson(md);
string[] extraFunctions = { o2J.getAttachId2ArrayJSFunction() };
validateJSON(withoutDefaultsLeafValuesJS, extraFunctions, expressions, expectedValues, "testDefaulting.unrestoredvalues", "serialise ommitting defaults and in js test do not restore defaults");
expectedValues = new object[] { md.i2, md.stringValues.str3, md.stringValues.str2, md.stringValues.str1, md.i1, md.i4, md.stringValuesArr[0].str1 };
//Object value;
JSExcuteUtil.JsonValueSet valueSet = new JSExcuteUtil.JsonValueSet();
valueSet.json = o2J.LeafDefaultResolverFunctionName + "(" + withoutDefaultsLeafValuesJS + ")";
valueSet.varname = "defaulted";
for (int done = 0; done < expressions.Length; done++)
{
valueSet.expressions2ExpectedValue[expressions[done]] = expectedValues[done];
}
valueSet.extraFunctions.Add(o2J.getLeafDefaultResolverJS(aliaser));
valueSet.extraFunctions.Add(o2J.getMarkAsArrayJSFunction());
valueSet.extraFunctions.Add(o2J.getAttachId2ArrayJSFunction());
valueSet.significance = "serialised without default values and restore with standard restore js function";
Dictionary <string, object> values = util.extractValuesFromJson(valueSet, GetType().Name + "." + "testDefaulting.resolveLeaves");
for (int done = 0; done < expressions.Length; done++)
{
string expression = expressions[done];
object expectedValue = expectedValues[done];
object actualValue = valueSet.expressions2ExpectedValue[expression] = values[expression];
//"expression=" + expression + " with reference json= " + withoutDefaultsLeafValuesJS
Assert.AreEqual(expectedValue, actualValue, "valueSet==" + valueSet.ToString());
}
}