Dotnet publish tests
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Sridhar Periyasamy
parent
cd357cb273
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07eb7ef28f
43 changed files with 1826 additions and 129 deletions
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// 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 System;
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using System.Diagnostics;
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using System.IO;
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namespace Microsoft.DotNet.Tools.Test.Utilities
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{
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// Contains path parsing utilities.
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// We need our own because System.IO.Path is insufficient for our purposes
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// For example we need to be able to work with invalid paths or paths containing wildcards
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internal static class PathUtilities
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{
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// We consider '/' a directory separator on Unix like systems.
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// On Windows both / and \ are equally accepted.
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internal static readonly char DirectorySeparatorChar = IsUnixLikePlatform ? '/' : '\\';
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internal static readonly char AltDirectorySeparatorChar = '/';
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internal static readonly string DirectorySeparatorStr = new string(DirectorySeparatorChar, 1);
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internal const char VolumeSeparatorChar = ':';
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private static bool IsUnixLikePlatform
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{
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get
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{
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return Path.DirectorySeparatorChar == '/';
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}
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}
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internal static bool IsDirectorySeparator(char c)
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{
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return c == DirectorySeparatorChar || c == AltDirectorySeparatorChar;
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}
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internal static string TrimTrailingSeparators(string s)
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{
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int lastSeparator = s.Length;
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while (lastSeparator > 0 && IsDirectorySeparator(s[lastSeparator - 1]))
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{
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lastSeparator = lastSeparator - 1;
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}
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if (lastSeparator != s.Length)
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{
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s = s.Substring(0, lastSeparator);
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}
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return s;
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}
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internal static string GetExtension(string path)
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{
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return FileNameUtilities.GetExtension(path);
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}
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internal static string ChangeExtension(string path, string extension)
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{
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return FileNameUtilities.ChangeExtension(path, extension);
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}
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internal static string RemoveExtension(string path)
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{
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return FileNameUtilities.ChangeExtension(path, extension: null);
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}
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internal static string GetFileName(string path)
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{
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return FileNameUtilities.GetFileName(path);
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}
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/// <summary>
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/// Get directory name from path.
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/// </summary>
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/// <remarks>
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/// Unlike <see cref="System.IO.Path.GetDirectoryName"/> it
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/// doesn't check for invalid path characters,
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/// doesn't strip any trailing directory separators (TODO: tomat),
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/// doesn't recognize UNC structure \\computer-name\share\directory-name\file-name (TODO: tomat).
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/// </remarks>
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/// <returns>Prefix of path that represents a directory. </returns>
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internal static string GetDirectoryName(string path)
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{
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int fileNameStart = FileNameUtilities.IndexOfFileName(path);
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if (fileNameStart < 0)
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{
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return null;
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}
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return path.Substring(0, fileNameStart);
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}
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internal static PathKind GetPathKind(string path)
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{
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if (string.IsNullOrWhiteSpace(path))
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{
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return PathKind.Empty;
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}
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// "C:\"
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// "\\machine" (UNC)
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// "/etc" (Unix)
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if (IsAbsolute(path))
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{
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return PathKind.Absolute;
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}
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// "."
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// ".."
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// ".\"
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// "..\"
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if (path.Length > 0 && path[0] == '.')
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{
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if (path.Length == 1 || IsDirectorySeparator(path[1]))
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{
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return PathKind.RelativeToCurrentDirectory;
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}
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if (path[1] == '.')
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{
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if (path.Length == 2 || IsDirectorySeparator(path[2]))
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{
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return PathKind.RelativeToCurrentParent;
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}
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}
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}
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if (!IsUnixLikePlatform)
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{
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// "\"
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// "\foo"
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if (path.Length >= 1 && IsDirectorySeparator(path[0]))
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{
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return PathKind.RelativeToCurrentRoot;
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}
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// "C:foo"
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if (path.Length >= 2 && path[1] == VolumeSeparatorChar && (path.Length <= 2 || !IsDirectorySeparator(path[2])))
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{
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return PathKind.RelativeToDriveDirectory;
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}
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}
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// "foo.dll"
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return PathKind.Relative;
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}
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internal static bool IsAbsolute(string path)
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{
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if (string.IsNullOrEmpty(path))
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{
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return false;
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}
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if (IsUnixLikePlatform)
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{
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return path[0] == DirectorySeparatorChar;
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}
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// "C:\"
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if (IsDriveRootedAbsolutePath(path))
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{
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// Including invalid paths (e.g. "*:\")
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return true;
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}
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// "\\machine\share"
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// Including invalid/incomplete UNC paths (e.g. "\\foo")
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return path.Length >= 2 &&
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IsDirectorySeparator(path[0]) &&
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IsDirectorySeparator(path[1]);
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}
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/// <summary>
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/// Returns true if given path is absolute and starts with a drive specification ("C:\").
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/// </summary>
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private static bool IsDriveRootedAbsolutePath(string path)
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{
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Debug.Assert(!IsUnixLikePlatform);
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return path.Length >= 3 && path[1] == VolumeSeparatorChar && IsDirectorySeparator(path[2]);
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}
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/// <summary>
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/// Get a prefix of given path which is the root of the path.
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/// </summary>
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/// <returns>
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/// Root of an absolute path or null if the path isn't absolute or has invalid format (e.g. "\\").
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/// It may or may not end with a directory separator (e.g. "C:\", "C:\foo", "\\machine\share", etc.) .
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/// </returns>
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internal static string GetPathRoot(string path)
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{
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if (string.IsNullOrWhiteSpace(path))
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{
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return null;
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}
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int length = GetPathRootLength(path);
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return (length != -1) ? path.Substring(0, length) : null;
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}
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private static int GetPathRootLength(string path)
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{
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Debug.Assert(!string.IsNullOrEmpty(path));
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if (IsUnixLikePlatform)
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{
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if (IsDirectorySeparator(path[0]))
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{
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// "/*"
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return 1;
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}
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}
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else
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{
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// "C:\"
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if (IsDriveRootedAbsolutePath(path))
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{
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return 3;
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}
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if (IsDirectorySeparator(path[0]))
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{
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// "\\machine\share"
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return GetUncPathRootLength(path);
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}
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}
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return -1;
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}
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/// <summary>
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/// Calculates the length of root of an UNC path.
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/// </summary>
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/// <remarks>
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/// "\\server\share" is root of UNC path "\\server\share\dir1\dir2\file".
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/// </remarks>
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private static int GetUncPathRootLength(string path)
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{
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Debug.Assert(IsDirectorySeparator(path[0]));
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// root:
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// [directory-separator]{2,}[^directory-separator]+[directory-separator]+[^directory-separator]+
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int serverIndex = IndexOfNonDirectorySeparator(path, 1);
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if (serverIndex < 2)
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{
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return -1;
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}
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int separator = IndexOfDirectorySeparator(path, serverIndex);
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if (separator == -1)
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{
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return -1;
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}
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int shareIndex = IndexOfNonDirectorySeparator(path, separator);
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if (shareIndex == -1)
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{
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return -1;
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}
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int rootEnd = IndexOfDirectorySeparator(path, shareIndex);
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return rootEnd == -1 ? path.Length : rootEnd;
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}
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private static int IndexOfDirectorySeparator(string path, int start)
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{
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for (int i = start; i < path.Length; i++)
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{
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if (IsDirectorySeparator(path[i]))
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{
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return i;
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}
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}
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return -1;
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}
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private static int IndexOfNonDirectorySeparator(string path, int start)
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{
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for (int i = start; i < path.Length; i++)
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{
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if (!IsDirectorySeparator(path[i]))
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{
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return i;
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}
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}
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return -1;
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}
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/// <summary>
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/// Combines an absolute path with a relative.
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/// </summary>
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/// <param name="root">Absolute root path.</param>
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/// <param name="relativePath">Relative path.</param>
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/// <returns>
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/// An absolute combined path, or null if <paramref name="relativePath"/> is
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/// absolute (e.g. "C:\abc", "\\machine\share\abc"),
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/// relative to the current root (e.g. "\abc"),
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/// or relative to a drive directory (e.g. "C:abc\def").
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/// </returns>
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/// <seealso cref="CombinePossiblyRelativeAndRelativePaths"/>
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internal static string CombineAbsoluteAndRelativePaths(string root, string relativePath)
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{
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Debug.Assert(IsAbsolute(root));
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return CombinePossiblyRelativeAndRelativePaths(root, relativePath);
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}
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/// <summary>
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/// Combine two paths, the first of which may be absolute.
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/// </summary>
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/// <param name="rootOpt">First path: absolute, relative, or null.</param>
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/// <param name="relativePath">Second path: relative and non-null.</param>
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/// <returns>null, if <paramref name="rootOpt"/> is null; a combined path, otherwise.</returns>
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/// <seealso cref="CombineAbsoluteAndRelativePaths"/>
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internal static string CombinePossiblyRelativeAndRelativePaths(string rootOpt, string relativePath)
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{
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if (string.IsNullOrEmpty(rootOpt))
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{
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return null;
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}
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switch (GetPathKind(relativePath))
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{
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case PathKind.Empty:
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return rootOpt;
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case PathKind.Absolute:
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case PathKind.RelativeToCurrentRoot:
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case PathKind.RelativeToDriveDirectory:
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return null;
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}
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return CombinePathsUnchecked(rootOpt, relativePath);
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}
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internal static string CombinePathsUnchecked(string root, string relativePath)
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{
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Debug.Assert(!string.IsNullOrEmpty(root));
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char c = root[root.Length - 1];
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if (!IsDirectorySeparator(c) && c != VolumeSeparatorChar)
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{
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return root + DirectorySeparatorStr + relativePath;
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}
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return root + relativePath;
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}
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internal static string RemoveTrailingDirectorySeparator(string path)
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{
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if (path.Length > 0 && IsDirectorySeparator(path[path.Length - 1]))
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{
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return path.Substring(0, path.Length - 1);
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}
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else
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{
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return path;
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}
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}
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/// <summary>
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/// Determines whether an assembly reference is considered an assembly file path or an assembly name.
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/// used, for example, on values of /r and #r.
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/// </summary>
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internal static bool IsFilePath(string assemblyDisplayNameOrPath)
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{
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Debug.Assert(assemblyDisplayNameOrPath != null);
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string extension = FileNameUtilities.GetExtension(assemblyDisplayNameOrPath);
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return string.Equals(extension, ".dll", StringComparison.OrdinalIgnoreCase)
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|| string.Equals(extension, ".exe", StringComparison.OrdinalIgnoreCase)
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|| assemblyDisplayNameOrPath.IndexOf(DirectorySeparatorChar) != -1
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|| assemblyDisplayNameOrPath.IndexOf(AltDirectorySeparatorChar) != -1;
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}
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}
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}
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