dotnet-installer/test/dotnet-projectmodel-server.Tests/Helpers/DthMessageCollectionExtension.cs
2016-01-28 10:53:31 -08:00

81 lines
3 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Versioning;
using Newtonsoft.Json.Linq;
using Xunit;
namespace Microsoft.DotNet.ProjectModel.Server.Tests
{
public static class DthMessageCollectionExtension
{
public static IList<DthMessage> GetMessagesByFramework(this IEnumerable<DthMessage> messages, FrameworkName targetFramework)
{
return messages.Where(msg => MatchesFramework(targetFramework, msg)).ToList();
}
public static IList<DthMessage> GetMessagesByType(this IEnumerable<DthMessage> messages, string typename)
{
return messages.Where(msg => string.Equals(msg.MessageType, typename)).ToList();
}
public static DthMessage RetrieveSingleMessage(this IEnumerable<DthMessage> messages,
string typename)
{
var result = messages.SingleOrDefault(msg => string.Equals(msg.MessageType, typename, StringComparison.Ordinal));
if (result == null)
{
if (messages.FirstOrDefault(msg => string.Equals(msg.MessageType, typename, StringComparison.Ordinal)) != null)
{
Assert.False(true, $"More than one {typename} messages exist.");
}
else
{
Assert.False(true, $"{typename} message doesn't exists.");
}
}
return result;
}
public static IEnumerable<DthMessage> ContainsMessage(this IEnumerable<DthMessage> messages,
string typename)
{
var contain = messages.FirstOrDefault(msg => string.Equals(msg.MessageType, typename, StringComparison.Ordinal)) != null;
Assert.True(contain, $"Messages collection doesn't contain message of type {typename}.");
return messages;
}
public static IEnumerable<DthMessage> AssertDoesNotContain(this IEnumerable<DthMessage> messages, string typename)
{
var notContain = messages.FirstOrDefault(msg => string.Equals(msg.MessageType, typename, StringComparison.Ordinal)) == null;
Assert.True(notContain, $"Message collection contains message of type {typename}.");
return messages;
}
private static bool MatchesFramework(FrameworkName targetFramework, DthMessage msg)
{
if (msg.Payload.Type != JTokenType.Object)
{
return false;
}
var frameworkObj = msg.Payload["Framework"];
if (frameworkObj == null || !frameworkObj.HasValues)
{
return false;
}
return string.Equals(frameworkObj.Value<string>("FrameworkName"), targetFramework.FullName, StringComparison.OrdinalIgnoreCase);
}
}
}