131 lines
4.9 KiB
C#
131 lines
4.9 KiB
C#
// Copyright (c) .NET Foundation and contributors. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using Microsoft.DotNet.Cli.Utils;
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using Microsoft.DotNet.TestFramework;
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using Microsoft.DotNet.Tools.Test.Utilities;
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using Microsoft.Extensions.PlatformAbstractions;
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using Xunit;
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using Xunit.Abstractions;
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using FluentAssertions;
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namespace Microsoft.DotNet.Tests
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{
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public class GivenThatIWantToManageMulticoreJIT : TestBase
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{
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ITestOutputHelper _output;
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private const string OptimizationProfileFileName = "dotnet";
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public GivenThatIWantToManageMulticoreJIT(ITestOutputHelper output)
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{
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_output = output;
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}
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[Fact]
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public void When_invoked_then_dotnet_writes_optimization_data_to_the_profile_root()
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{
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var testDirectory = TestAssetsManager.CreateTestDirectory();
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var testStartTime = GetTruncatedDateTime();
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new TestCommand("dotnet")
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.WithUserProfileRoot(testDirectory.Path)
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.ExecuteWithCapturedOutput("--help");
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var optimizationProfileFilePath = GetOptimizationProfileFilePath(testDirectory.Path);
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File.Exists(optimizationProfileFilePath)
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.Should().BeTrue("Because dotnet CLI creates it after each run");
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File.GetLastWriteTimeUtc(optimizationProfileFilePath)
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.Should().BeOnOrAfter(testStartTime, "Because dotnet CLI was executed after that time");
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}
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[Fact]
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public void When_invoked_with_MulticoreJit_disabled_then_dotnet_does_not_writes_optimization_data_to_the_profile_root()
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{
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var testDirectory = TestAssetsManager.CreateTestDirectory();
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var testStartTime = GetTruncatedDateTime();
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new TestCommand("dotnet")
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.WithUserProfileRoot(testDirectory.Path)
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.WithEnvironmentVariable("DOTNET_DISABLE_MULTICOREJIT", "1")
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.ExecuteWithCapturedOutput("--help");
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var optimizationProfileFilePath = GetOptimizationProfileFilePath(testDirectory.Path);
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File.Exists(optimizationProfileFilePath)
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.Should().BeFalse("Because multicore JIT is disabled");
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}
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[Fact]
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public void When_the_profile_root_is_undefined_then_dotnet_does_not_crash()
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{
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var testDirectory = TestAssetsManager.CreateTestDirectory();
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var testStartTime = GetTruncatedDateTime();
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var optimizationProfileFilePath = GetOptimizationProfileFilePath(testDirectory.Path);
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new TestCommand("dotnet")
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.WithUserProfileRoot("")
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.ExecuteWithCapturedOutput("--help")
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.Should().Pass();
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}
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[Fact]
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public void When_cli_repo_builds_then_dotnet_writes_optimization_data_to_the_default_profile_root()
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{
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var optimizationProfileFilePath = GetOptimizationProfileFilePath();
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File.Exists(optimizationProfileFilePath)
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.Should().BeTrue("Because the dotnet building dotnet writes to the default root");
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}
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private static string GetOptimizationProfileFilePath(string userHomePath = null)
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{
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return Path.Combine(
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GetUserProfileRoot(userHomePath),
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GetOptimizationRootPath(GetDotnetVersion()),
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OptimizationProfileFileName);
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}
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private static string GetUserProfileRoot(string overrideUserProfileRoot = null)
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{
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if (overrideUserProfileRoot != null)
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{
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return overrideUserProfileRoot;
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}
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return RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
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? Environment.GetEnvironmentVariable("LocalAppData")
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: Environment.GetEnvironmentVariable("HOME");
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}
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private static string GetOptimizationRootPath(string version)
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{
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var rid = PlatformServices.Default.Runtime.GetRuntimeIdentifier();
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return RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
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? $@"Microsoft\dotnet\sdk\{version}\{rid}\optimizationdata"
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: $@".dotnet/sdk/{version}/{rid}/optimizationdata";
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}
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private static string GetDotnetVersion()
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{
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return Command.Create("dotnet", new[] { "--version" })
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.CaptureStdOut()
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.Execute()
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.StdOut
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.Trim();
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}
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private static DateTime GetTruncatedDateTime()
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{
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var dt = DateTime.UtcNow;
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return new DateTime(dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, 0, dt.Kind);
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}
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}
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}
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