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Reimplemented JsonXmlReader, added support for null values: JSON null values are...
Reimplemented JsonXmlReader, added support for null values: JSON null values are mapped to empty nodes with 'xsi:nil' attribute set to 'true'
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JsonTests.cs
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/ Implab.Format.Test / JsonTests.cs
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using NUnit.Framework;
using System;
using Implab.Formats.JSON;
using Implab.Automaton;
using Implab.Xml;
using System.Xml;
using System.Text;
namespace Implab.Format.Test {
[TestFixture]
public class JsonTests {
[Test]
public void TestScannerValidTokens() {
using (var scanner = new JSONScanner(@"9123, -123, 0, 0.1, -0.2, -0.1e3, 1.3E-3, ""some \t\n\u0020 text"", literal []{}:")) {
Tuple<JsonTokenType, object>[] expexted = {
new Tuple<JsonTokenType,object>(JsonTokenType.Number, 9123d),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.Number, -123d),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.Number, 0d),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.Number, 0.1d),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.Number, -0.2d),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.Number, -0.1e3d),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.Number, 1.3E-3d),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.String, "some \t\n text"),
new Tuple<JsonTokenType,object>(JsonTokenType.ValueSeparator, ", "),
new Tuple<JsonTokenType,object>(JsonTokenType.Literal, "literal"),
new Tuple<JsonTokenType,object>(JsonTokenType.BeginArray, " ["),
new Tuple<JsonTokenType,object>(JsonTokenType.EndArray, "]"),
new Tuple<JsonTokenType,object>(JsonTokenType.BeginObject, "{"),
new Tuple<JsonTokenType,object>(JsonTokenType.EndObject, "}"),
new Tuple<JsonTokenType,object>(JsonTokenType.NameSeparator, ":")
};
object value;
JsonTokenType tokenType;
for (var i = 0; i < expexted.Length; i++) {
Assert.IsTrue(scanner.ReadToken(out value, out tokenType));
Assert.AreEqual(expexted[i].Item1, tokenType);
Assert.AreEqual(expexted[i].Item2, value);
}
Assert.IsFalse(scanner.ReadToken(out value, out tokenType));
}
}
[Test]
public void TestScannerBadTokens() {
var bad = new[] {
" 1",
" literal",
" \"",
"\"unclosed string",
"1.bad",
"001", // should be read as three numbers
"--10",
"+10",
"1.0.0",
"1e1.0",
"l1teral0",
".123",
"-.123"
};
foreach (var json in bad) {
using (var scanner = new JSONScanner(json)) {
try {
object value;
JsonTokenType token;
scanner.ReadToken(out value, out token);
if (!Object.Equals(value, json)) {
Console.WriteLine("'{0}' is read as {1}", json, value is String ? String.Format("'{0}'", value) : value);
continue;
}
Assert.Fail("Token '{0}' shouldn't pass", json);
} catch (ParserException e) {
Console.WriteLine(e.Message);
}
}
}
}
[Test]
public void JsonXmlReaderSimpleTest() {
var json = "\"some text\"";
//Console.WriteLine($"JSON: {json}");
//Console.WriteLine("XML");
/*using (var xmlReader = new JsonXmlReader(new JSONParser(json), new JsonXmlReaderOptions { NamespaceUri = "JsonXmlReaderSimpleTest", RootName = "string", NodesPrefix = "json" })) {
Assert.AreEqual(xmlReader.ReadState, System.Xml.ReadState.Initial);
AssertRead(xmlReader, XmlNodeType.XmlDeclaration);
AssertRead(xmlReader, XmlNodeType.Element);
AssertRead(xmlReader, XmlNodeType.Text);
AssertRead(xmlReader, XmlNodeType.EndElement);
Assert.IsFalse(xmlReader.Read());
}*/
//DumpJsonParse("\"text value\"");
//DumpJsonParse("null");
//DumpJsonParse("true");
//DumpJsonParse("{}");
//DumpJsonParse("[]");
DumpJsonParse("{\"one\":1, \"two\":2}");
DumpJsonParse("[1,2,3]");
DumpJsonParse("[{\"info\": [7,8,9]}]");
DumpJsonFlatParse("[1,2,[3,4],{\"info\": [5,6]},{\"num\": [7,8,null]}, null,[null]]");
}
void AssertRead(XmlReader reader, XmlNodeType expected) {
Assert.IsTrue(reader.Read());
Console.WriteLine($"{new string(' ', reader.Depth*2)}{reader}");
Assert.AreEqual(expected, reader.NodeType);
}
void DumpJsonParse(string json) {
Console.WriteLine($"JSON: {json}");
Console.WriteLine("XML");
using (var xmlReader = new JsonXmlReader(new JSONParser(json), new JsonXmlReaderOptions { NamespaceUri = "JsonXmlReaderSimpleTest", NodesPrefix = "json" })) {
while (xmlReader.Read())
Console.WriteLine($"{new string(' ', xmlReader.Depth * 2)}{xmlReader}");
}
}
void DumpJsonFlatParse(string json) {
Console.WriteLine($"JSON: {json}");
Console.WriteLine("XML");
using (var xmlWriter = XmlWriter.Create(Console.Out, new XmlWriterSettings {
Indent = true,
CloseOutput = false,
ConformanceLevel = ConformanceLevel.Document
}))
using (var xmlReader = new JsonXmlReader(new JSONParser(json), new JsonXmlReaderOptions { NamespaceUri = "JsonXmlReaderSimpleTest", NodesPrefix = "", FlattenArrays = true })) {
xmlWriter.WriteNode(xmlReader, false);
}
}
}
}