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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using System.Diagnostics;
using System.IO;
using System.Management.Automation;
using Xunit;
namespace PSTests.Parallel
{
public static class PlatformTests
{
[Fact]
public static void TestIsCoreCLR()
{
Assert.True(Platform.IsCoreCLR);
}
#if Unix
[Fact]
public static void TestGetUserName()
{
var startInfo = new ProcessStartInfo
{
FileName = @"/usr/bin/env",
Arguments = "whoami",
RedirectStandardOutput = true,
UseShellExecute = false
};
using (Process process = Process.Start(startInfo))
{
// Get output of call to whoami without trailing newline
string username = process.StandardOutput.ReadToEnd().Trim();
process.WaitForExit();
// The process should return an exit code of 0 on success
Assert.Equal(0, process.ExitCode);
Assert.Equal(username, Environment.UserName);
}
}
[Fact]
public static void TestGetMachineName()
{
var startInfo = new ProcessStartInfo
{
FileName = @"/usr/bin/env",
Arguments = "hostname",
RedirectStandardOutput = true,
UseShellExecute = false
};
using (Process process = Process.Start(startInfo))
{
// Get output of call to hostname without trailing newline
string hostname = process.StandardOutput.ReadToEnd().Trim();
process.WaitForExit();
// The process should return an exit code of 0 on success
Assert.Equal(0, process.ExitCode);
// It should be the same as what our platform code returns
Assert.Equal(hostname, Environment.MachineName);
}
}
[Fact]
public static void TestGetFQDN()
{
var startInfo = new ProcessStartInfo
{
FileName = @"/usr/bin/env",
Arguments = "hostname --fqdn",
RedirectStandardOutput = true,
UseShellExecute = false
};
using (Process process = Process.Start(startInfo))
{
// Get output of call to hostname without trailing newline
string hostname = process.StandardOutput.ReadToEnd().Trim();
process.WaitForExit();
// The process should return an exit code of 0 on success
Assert.Equal(0, process.ExitCode);
// It should be the same as what our platform code returns
Assert.Equal(hostname, Platform.NonWindowsGetHostName());
}
}
[Fact]
public static void TestIsExecutable()
{
Assert.True(Platform.NonWindowsIsExecutable("/bin/ls"));
}
[Fact]
public static void TestIsNotExecutable()
{
Assert.False(Platform.NonWindowsIsExecutable("/etc/hosts"));
}
[Fact]
public static void TestDirectoryIsNotExecutable()
{
Assert.False(Platform.NonWindowsIsExecutable("/etc"));
}
[Fact]
public static void TestFileIsNotHardLink()
{
string path = @"/tmp/nothardlink";
if (File.Exists(path))
{
File.Delete(path);
}
File.Create(path);
FileSystemInfo fd = new FileInfo(path);
// Since this is the only reference to the file, it is not considered a
// hardlink by our API (though all files are hardlinks on Linux)
Assert.False(Platform.NonWindowsIsHardLink(fd));
File.Delete(path);
}
[Fact]
public static void TestFileIsHardLink()
{
string path = @"/tmp/originallink";
if (File.Exists(path))
{
File.Delete(path);
}
File.Create(path);
string link = "/tmp/newlink";
if (File.Exists(link))
{
File.Delete(link);
}
var startInfo = new ProcessStartInfo
{
FileName = @"/usr/bin/env",
Arguments = "ln " + path + " " + link,
RedirectStandardOutput = true,
UseShellExecute = false
};
using (Process process = Process.Start(startInfo))
{
process.WaitForExit();
Assert.Equal(0, process.ExitCode);
}
// Since there are now two references to the file, both are considered
// hardlinks by our API (though all files are hardlinks on Linux)
FileSystemInfo fd = new FileInfo(path);
Assert.True(Platform.NonWindowsIsHardLink(fd));
fd = new FileInfo(link);
Assert.True(Platform.NonWindowsIsHardLink(fd));
File.Delete(path);
File.Delete(link);
}
[Fact]
public static void TestDirectoryIsNotHardLink()
{
string path = @"/tmp";
FileSystemInfo fd = new FileInfo(path);
Assert.False(Platform.NonWindowsIsHardLink(fd));
}
[Fact]
public static void TestNonExistentIsHardLink()
{
// A file that should *never* exist on a test machine:
string path = @"/tmp/ThisFileShouldNotExistOnTestMachines";
// If the file exists, then there's a larger issue that needs to be looked at
Assert.False(File.Exists(path));
// Convert `path` string to FileSystemInfo data type. And now, it should return true
FileSystemInfo fd = new FileInfo(path);
Assert.False(Platform.NonWindowsIsHardLink(fd));
}
[Fact]
public static void TestFileIsSymLink()
{
string path = @"/tmp/originallink";
if (File.Exists(path))
{
File.Delete(path);
}
File.Create(path);
string link = "/tmp/newlink";
if (File.Exists(link))
{
File.Delete(link);
}
var startInfo = new ProcessStartInfo
{
FileName = @"/usr/bin/env",
Arguments = "ln -s " + path + " " + link,
RedirectStandardOutput = true,
UseShellExecute = false
};
using (Process process = Process.Start(startInfo))
{
process.WaitForExit();
Assert.Equal(0, process.ExitCode);
}
FileSystemInfo fd = new FileInfo(path);
Assert.False(Platform.NonWindowsIsSymLink(fd));
fd = new FileInfo(link);
Assert.True(Platform.NonWindowsIsSymLink(fd));
File.Delete(path);
File.Delete(link);
}
#endif
}
}