aspnetcore/test/Microsoft.AspNetCore.Razor..../ServerCommandTest.cs

120 lines
3.9 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.Diagnostics;
using System.IO;
using System.Text;
using System.Threading;
using Microsoft.CodeAnalysis;
using Moq;
using Xunit;
namespace Microsoft.AspNetCore.Razor.Tools
{
public class ServerCommandTest
{
[Fact]
public void WritePidFile_WorksAsExpected()
{
// Arrange
var expectedProcessId = Process.GetCurrentProcess().Id;
var expectedRzcPath = typeof(ServerCommand).Assembly.Location;
var expectedFileName = $"rzc-{expectedProcessId}";
var directoryPath = Path.Combine(Path.GetTempPath(), "RazorTest", Guid.NewGuid().ToString());
var path = Path.Combine(directoryPath, expectedFileName);
var pipeName = Guid.NewGuid().ToString();
var server = GetServerCommand(pipeName);
// Act & Assert
try
{
using (var _ = server.WritePidFile(directoryPath))
{
Assert.True(File.Exists(path));
// Make sure another stream can be opened while the write stream is still open.
using (var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Write | FileShare.Delete))
using (var reader = new StreamReader(fileStream, Encoding.UTF8))
{
var lines = reader.ReadToEnd().Split(Environment.NewLine);
Assert.Equal(new[] { expectedProcessId.ToString(), "rzc", expectedRzcPath, pipeName }, lines);
}
}
// Make sure the file is deleted on dispose.
Assert.False(File.Exists(path));
}
finally
{
// Cleanup after the test.
if (Directory.Exists(directoryPath))
{
Directory.Delete(directoryPath, recursive: true);
}
}
}
[Fact]
public void GetPidFilePath_ReturnsCorrectDefaultPath()
{
// Arrange
var expectedPath = Path.Combine("homeDir", ".dotnet", "pids", "build");
var server = GetServerCommand();
// Act
var directoryPath = server.GetPidFilePath(getEnvironmentVariable: env =>
{
if (env == "DOTNET_BUILD_PIDFILE_DIRECTORY")
{
return null;
}
return "homeDir";
});
// Assert
Assert.Equal(expectedPath, directoryPath);
}
[Fact]
public void GetPidFilePath_UsesEnvironmentVariablePathIfSpecified()
{
// Arrange
var expectedPath = "/Some/directory/path/";
var server = GetServerCommand();
// Act
var directoryPath = server.GetPidFilePath(getEnvironmentVariable: env => expectedPath);
// Assert
Assert.Equal(expectedPath, directoryPath);
}
[Fact]
public void GetPidFilePath_NullEnvironmentVariableValue_ReturnsNull()
{
// Arrange
var server = GetServerCommand();
// Act
var directoryPath = server.GetPidFilePath(getEnvironmentVariable: env => null);
// Assert
Assert.Null(directoryPath);
}
private ServerCommand GetServerCommand(string pipeName = null)
{
var application = new Application(
CancellationToken.None,
Mock.Of<ExtensionAssemblyLoader>(),
Mock.Of<ExtensionDependencyChecker>(),
(path, properties) => MetadataReference.CreateFromFile(path, properties));
return new ServerCommand(application, pipeName);
}
}
}