dotnet-installer/test/Microsoft.Extensions.DependencyModel.Tests/CompositeResolverTests.cs
2016-02-16 09:56:19 -08:00

93 lines
3.4 KiB
C#

// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Collections.Generic;
using Microsoft.Extensions.DependencyModel;
using Microsoft.Extensions.DependencyModel.Resolution;
using Moq;
using Xunit;
using FluentAssertions;
namespace StreamForwarderTests
{
public class CompositeResolverTests
{
[Fact]
public void ReturnsFirstSuccesfullResolve()
{
var fail = new Mock<ICompilationAssemblyResolver>();
var success = new Mock<ICompilationAssemblyResolver>();
success.Setup(r => r.TryResolveAssemblyPaths(It.IsAny<CompilationLibrary>(), It.IsAny<List<string>>()))
.Returns(true);
var failTwo = new Mock<ICompilationAssemblyResolver>();
var resolvers = new[]
{
fail.Object,
success.Object,
failTwo.Object
};
var resolver = new CompositeCompilationAssemblyResolver(resolvers);
var result = resolver.TryResolveAssemblyPaths(null, null);
Assert.True(result);
fail.Verify(r => r.TryResolveAssemblyPaths(It.IsAny<CompilationLibrary>(), It.IsAny<List<string>>()),
Times.Once());
success.Verify(r => r.TryResolveAssemblyPaths(It.IsAny<CompilationLibrary>(), It.IsAny<List<string>>()),
Times.Once());
failTwo.Verify(r => r.TryResolveAssemblyPaths(It.IsAny<CompilationLibrary>(), It.IsAny<List<string>>()),
Times.Never());
}
[Fact]
public void PassesLibraryToAllResolvers()
{
var fail = new Mock<ICompilationAssemblyResolver>();
var failTwo = new Mock<ICompilationAssemblyResolver>();
var resolvers = new[]
{
fail.Object,
failTwo.Object
};
var library = new CompilationLibrary(string.Empty, string.Empty, string.Empty, string.Empty, null, null, false);
var resolver = new CompositeCompilationAssemblyResolver(resolvers);
var result = resolver.TryResolveAssemblyPaths(library, null);
fail.Verify(r => r.TryResolveAssemblyPaths(library, null), Times.Once());
failTwo.Verify(r => r.TryResolveAssemblyPaths(library, null), Times.Once());
}
[Fact]
public void PopulatedAssemblies()
{
var fail = new Mock<ICompilationAssemblyResolver>();
var success = new Mock<ICompilationAssemblyResolver>();
success.Setup(r => r.TryResolveAssemblyPaths(It.IsAny<CompilationLibrary>(), It.IsAny<List<string>>()))
.Returns(true)
.Callback((CompilationLibrary l, List<string> a) =>
{
a.Add("Assembly");
});
var resolvers = new[]
{
fail.Object,
success.Object
};
var assemblies = new List<string>();
var library = new CompilationLibrary(string.Empty, string.Empty, string.Empty, string.Empty, null, null, false);
var resolver = new CompositeCompilationAssemblyResolver(resolvers);
var result = resolver.TryResolveAssemblyPaths(library, assemblies);
assemblies.Should().Contain("Assembly");
}
}
}