using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using Newtonsoft.Json.Tests.TestObjects;
using NUnit.Framework;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Converters;
using System.IO;
using System.Collections;
namespace Newtonsoft.Json.Tests.Linq{
public class JPathTests : TestFixtureBase
{
[Test]
public void SingleProperty()
{
JPath path = new JPath("Blah");
Assert.AreEqual(1, path.Parts.Count);
Assert.AreEqual("Blah", path.Parts[0]);
}
[Test]
public void TwoProperties()
{
JPath path = new JPath("Blah.Two");
Assert.AreEqual(2, path.Parts.Count);
Assert.AreEqual("Blah", path.Parts[0]);
Assert.AreEqual("Two", path.Parts[1]);
}
[Test]
public void SinglePropertyAndIndexer()
{
JPath path = new JPath("Blah[0]");
Assert.AreEqual(2, path.Parts.Count);
Assert.AreEqual("Blah", path.Parts[0]);
Assert.AreEqual(0, path.Parts[1]);
}
[Test]
public void MultiplePropertiesAndIndexers()
{
JPath path = new JPath("Blah[0].Two.Three[1].Four");
Assert.AreEqual(6, path.Parts.Count);
Assert.AreEqual("Blah", path.Parts[0]);
Assert.AreEqual(0, path.Parts[1]);
Assert.AreEqual("Two", path.Parts[2]);
Assert.AreEqual("Three", path.Parts[3]);
Assert.AreEqual(1, path.Parts[4]);
Assert.AreEqual("Four", path.Parts[5]);
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = @"Unexpected character while parsing path indexer: [")]
public void BadCharactersInIndexer()
{
new JPath("Blah[[0]].Two.Three[1].Four");
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = @"Path ended with open indexer. Expected ]")]
public void UnclosedIndexer()
{
new JPath("Blah[0");
}
[Test]
public void AdditionalDots()
{
JPath path = new JPath(".Blah..[0]..Two.Three....[1].Four.");
Assert.AreEqual(6, path.Parts.Count);
Assert.AreEqual("Blah", path.Parts[0]);
Assert.AreEqual(0, path.Parts[1]);
Assert.AreEqual("Two", path.Parts[2]);
Assert.AreEqual("Three", path.Parts[3]);
Assert.AreEqual(1, path.Parts[4]);
Assert.AreEqual("Four", path.Parts[5]);
}
[Test]
public void IndexerOnly()
{
JPath path = new JPath("[111119990]");
Assert.AreEqual(1, path.Parts.Count);
Assert.AreEqual(111119990, path.Parts[0]);
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = "Empty path indexer.")]
public void EmptyIndexer()
{
new JPath("[]");
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = "Unexpected character while parsing path: ]")]
public void IndexerCloseInProperty()
{
new JPath("]");
}
[Test]
public void AdjacentIndexers()
{
JPath path = new JPath("[1][0][0][" + int.MaxValue + "]");
Assert.AreEqual(4, path.Parts.Count);
Assert.AreEqual(1, path.Parts[0]);
Assert.AreEqual(0, path.Parts[1]);
Assert.AreEqual(0, path.Parts[2]);
Assert.AreEqual(int.MaxValue, path.Parts[3]);
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = "Unexpected character following indexer: B")]
public void MissingDotAfterIndexer()
{
new JPath("[1]Blah");
}
[Test]
public void EvaluateSingleProperty()
{
JObject o = new JObject(
new JProperty("Blah", 1));
JToken t = o.SelectToken("Blah");
Assert.IsNotNull(t);
Assert.AreEqual(JTokenType.Integer, t.Type);
Assert.AreEqual(1, (int)t);
}
[Test]
public void EvaluateMissingProperty()
{
JObject o = new JObject(
new JProperty("Blah", 1));
JToken t = o.SelectToken("Missing[1]");
Assert.IsNull(t);
}
[Test]
public void EvaluateIndexerOnObject()
{
JObject o = new JObject(
new JProperty("Blah", 1));
JToken t = o.SelectToken("[1]");
Assert.IsNull(t);
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = @"Index 1 not valid on JObject.")]
public void EvaluateIndexerOnObjectWithError()
{
JObject o = new JObject(
new JProperty("Blah", 1));
o.SelectToken("[1]", true);
}
[Test]
public void EvaluatePropertyOnArray()
{
JArray a = new JArray(1, 2, 3, 4, 5);
JToken t = a.SelectToken("BlahBlah");
Assert.IsNull(t);
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = @"Property 'BlahBlah' not valid on JArray.")]
public void EvaluatePropertyOnArrayWithError()
{
JArray a = new JArray(1, 2, 3, 4, 5);
a.SelectToken("BlahBlah", true);
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = @"Index 1 not valid on JConstructor.")]
public void EvaluateIndexerOnConstructorWithError()
{
JConstructor c = new JConstructor("Blah");
c.SelectToken("[1]", true);
}
[Test]
[ExpectedException(typeof(Exception), ExpectedMessage = "Property 'Missing' does not exist on JObject.")]
public void EvaluateMissingPropertyWithError()
{
JObject o = new JObject(
new JProperty("Blah", 1));
o.SelectToken("Missing", true);
}
[Test]
public void EvaluateOutOfBoundsIndxer()
{
JArray a = new JArray(1, 2, 3, 4, 5);
JToken t = a.SelectToken("[1000].Ha");
Assert.IsNull(t);
}
[Test]
[ExpectedException(typeof(IndexOutOfRangeException), ExpectedMessage = "Index 1000 outside the bounds of JArray.")]
public void EvaluateOutOfBoundsIndxerWithError()
{
JArray a = new JArray(1, 2, 3, 4, 5);
a.SelectToken("[1000].Ha", true);
}
[Test]
public void EvaluateArray()
{
JArray a = new JArray(1, 2, 3, 4);
JToken t = a.SelectToken("[1]");
Assert.IsNotNull(t);
Assert.AreEqual(JTokenType.Integer, t.Type);
Assert.AreEqual(2, (int)t);
}
[Test]
public void EvaluateSinglePropertyReturningArray()
{
JObject o = new JObject(
new JProperty("Blah", new [] { 1, 2, 3 }));
JToken t = o.SelectToken("Blah");
Assert.IsNotNull(t);
Assert.AreEqual(JTokenType.Array, t.Type);
t = o.SelectToken("Blah[2]");
Assert.AreEqual(JTokenType.Integer, t.Type);
Assert.AreEqual(3, (int)t);
}
[Test]
public void Example()
{
JObject o = JObject.Parse(@"{
""Stores"": [
""Lambton Quay"",
""Willis Street""
],
""Manufacturers"": [
{
""Name"": ""Acme Co"",
""Products"": [
{
""Name"": ""Anvil"",
""Price"": 50
}
]
},
{
""Name"": ""Contoso"",
""Products"": [
{
""Name"": ""Elbow Grease"",
""Price"": 99.95
},
{
""Name"": ""Headlight Fluid"",
""Price"": 4
}
]
}
]
}");
string name = (string)o.SelectToken("Manufacturers[0].Name");
// Acme Co
decimal productPrice = (decimal)o.SelectToken("Manufacturers[0].Products[0].Price");
// 50
string productName = (string)o.SelectToken("Manufacturers[1].Products[0].Name");
// Elbow Grease
Assert.AreEqual("Acme Co", name);
Assert.AreEqual(50m, productPrice);
Assert.AreEqual("Elbow Grease", productName);
IList<string> storeNames = o.SelectToken("Stores").Select(s => (string)s).ToList();
// Lambton Quay
// Willis Street
IList<string> firstProductNames = o["Manufacturers"].Select(m => (string)m.SelectToken("Products[1].Name")).ToList();
// null
// Headlight Fluid
decimal totalPrice = o["Manufacturers"].Sum(m => (decimal)m.SelectToken("Products[0].Price"));
// 149.95
Assert.AreEqual(2, storeNames.Count);
Assert.AreEqual("Lambton Quay", storeNames[0]);
Assert.AreEqual("Willis Street", storeNames[1]);
Assert.AreEqual(2, firstProductNames.Count);
Assert.AreEqual(null, firstProductNames[0]);
Assert.AreEqual("Headlight Fluid", firstProductNames[1]);
Assert.AreEqual(149.95m, totalPrice);
}
}
}
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