using System.Linq;

using Newtonsoft.Json.Linq;

using NUnit.Framework;

namespace GeoJSON.Net.Tests

{

/// <summary>

/// Assertions for json strings

/// </summary>

public static class JsonAssert

{

/// <summary>

/// Asserts that the json strings are equal.

/// </summary>

/// <remarks>

/// Parses each json string into a <see cref="JObject" />, sorts the properties of each

/// and then serializes each back to a json string for comparison.

/// </remarks>

/// <param name="expectJson">The expect json.</param>

/// <param name="actualJson">The actual json.</param>

public static void AreEqual(string expectJson, string actualJson)

{

Assert.That(

JObject.Parse(actualJson).SortProperties().ToString(), Is.EqualTo(JObject.Parse(expectJson).SortProperties().ToString()));

}

/// <summary>

/// Asserts that <paramref name="actualJson" /> contains <paramref name="expectedJson" />

/// </summary>

/// <param name="expectedJson">The expected json.</param>

/// <param name="actualJson">The actual json.</param>

public static void Contains(string expectedJson, string actualJson)

{

Assert.That(actualJson.Contains(expectedJson), $"expected {actualJson} to contain {expectedJson}");

}

/// <summary>

/// Sorts the properties of a JObject

/// </summary>

/// <param name="jObject">The json object whhose properties to sort</param>

/// <returns>A new instance of a <see cref="JObject" /> with sorted properties</returns>

private static JObject SortProperties(this JObject jObject)

{

var result = new JObject();

foreach (var property in jObject.Properties().OrderBy(p => p.Name))

{

var value = property.Value as JObject;

if (value != null)

{

value = value.SortProperties();

result.Add(property.Name, value);

}

else

{

result.Add(property.Name, property.Value);

}

}

return result;

}

}

}