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PackageResolverTest.cs
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PackageResolverTest.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Generic;
using System.IO;
using FluentAssertions;
using Microsoft.Extensions.DependencyModel.Resolution;
using Xunit;
using F = Microsoft.Extensions.DependencyModel.Tests.TestLibraryFactory;
namespace Microsoft.Extensions.DependencyModel.Tests
{
public class PackageResolverTest
{
private static string PackagesPath = Path.Combine("package", "directory", "location");
[Fact]
public void ShouldUseEnvironmentVariableToGetDefaultLocation()
{
var environment = EnvironmentMockBuilder.Create()
.AddVariable("NUGET_PACKAGES", PackagesPath)
.AddAppContextData("PROBING_DIRECTORIES", string.Empty)
.Build();
var result = PackageCompilationAssemblyResolver.GetDefaultProbeDirectories(environment);
result.Should().Contain(PackagesPath);
}
[Fact]
public void ShouldUseNugetUnderUserProfileOnWindows()
{
var environment = EnvironmentMockBuilder.Create()
.SetIsWindows(true)
.AddVariable("USERPROFILE", "User Profile")
.AddAppContextData("PROBING_DIRECTORIES", string.Empty)
.Build();
var result = PackageCompilationAssemblyResolver.GetDefaultProbeDirectories(environment);
result.Should().Contain(Path.Combine("User Profile", ".nuget", "packages"));
}
[Fact]
public void ShouldUseNugetUnderHomeOnNonWindows()
{
var environment = EnvironmentMockBuilder.Create()
.SetIsWindows(false)
.AddVariable("HOME", "User Home")
.AddAppContextData("PROBING_DIRECTORIES", string.Empty)
.Build();
var result = PackageCompilationAssemblyResolver.GetDefaultProbeDirectories(environment);
result.Should().Contain(Path.Combine("User Home", ".nuget", "packages"));
}
[Fact]
public void ResolvesAllAssemblies()
{
var packagePath = GetPackagesPath(F.DefaultPackageName, F.DefaultVersion);
var fileSystem = FileSystemMockBuilder.Create()
.AddFiles(packagePath, F.TwoAssemblies)
.Build();
var library = F.Create(assemblies: F.TwoAssemblies);
var resolver = new PackageCompilationAssemblyResolver(fileSystem, new string[] { PackagesPath });
var assemblies = new List<string>();
var result = resolver.TryResolveAssemblyPaths(library, assemblies);
assemblies.Should().HaveCount(2);
assemblies.Should().Contain(Path.Combine(packagePath, F.DefaultAssemblyPath));
assemblies.Should().Contain(Path.Combine(packagePath, F.SecondAssemblyPath));
}
[Fact]
public void FailsWhenOneOfAssembliesNotFound()
{
var packagePath = GetPackagesPath(F.DefaultPackageName, F.DefaultVersion);
var fileSystem = FileSystemMockBuilder.Create()
.AddFiles(packagePath, F.DefaultAssemblyPath)
.Build();
var library = F.Create(assemblies: F.TwoAssemblies);
var resolver = new PackageCompilationAssemblyResolver(fileSystem, new string[] { PackagesPath });
var assemblies = new List<string>();
resolver.TryResolveAssemblyPaths(library, assemblies)
.Should().BeFalse();
assemblies.Should().BeEmpty();
}
[Fact]
public void KeepsLookingWhenOneOfAssembliesNotFound()
{
var packagePath1 = GetPackagesPath(F.DefaultPackageName, F.DefaultVersion);
var secondPath = "secondPath";
var packagePath2 = GetPackagesPath(secondPath, F.DefaultPackageName, F.DefaultVersion);
var fileSystem = FileSystemMockBuilder.Create()
.AddFiles(packagePath1, F.DefaultAssemblyPath)
.AddFiles(packagePath2, F.DefaultAssemblyPath, F.SecondAssemblyPath)
.Build();
var library = F.Create(assemblies: F.TwoAssemblies);
var resolver = new PackageCompilationAssemblyResolver(fileSystem, new string[] { PackagesPath, secondPath });
var assemblies = new List<string>();
resolver.TryResolveAssemblyPaths(library, assemblies)
.Should().BeTrue();
assemblies.Should().HaveCount(2);
assemblies.Should().Contain(Path.Combine(packagePath2, F.DefaultAssemblyPath));
assemblies.Should().Contain(Path.Combine(packagePath2, F.SecondAssemblyPath));
}
private static string GetPackagesPath(string id, string version)
{
return GetPackagesPath(PackagesPath, id, version);
}
internal static string GetPackagesPath(string basePath, string id, string version)
{
return Path.Combine(basePath, id, version);
}
}
}