public void TestRemove()
{
using var flagFile = new TemporaryFile("0install-unit-tests");
File.WriteAllText(flagFile, "/dir1/file1\n/dir2/file2\n");
FlagUtils.Remove(flagFile, "dir");
File.ReadAllText(flagFile).Should().Be("/dir1/file1\n/dir2/file2\n", because: "Partial match should not change anything");
FlagUtils.Remove(flagFile, Path.Combine("dir1", "file1"));
File.ReadAllText(flagFile).Should().Be("/dir2/file2\n");
FlagUtils.Remove(flagFile, "dir2");
File.ReadAllText(flagFile).Should().Be("");
}
/// <summary>
/// Applies a <see cref="RemoveStep"/> to a <see cref="TemporaryDirectory"/>.
/// </summary>
/// <param name="step">The <see cref="RemoveStep"/> to apply.</param>
/// <param name="workingDir">The <see cref="TemporaryDirectory"/> to apply the changes to.</param>
/// <exception cref="IOException">A path specified in <paramref name="step"/> is illegal.</exception>
public static void Apply(this RemoveStep step, TemporaryDirectory workingDir)
{
#region Sanity checks
if (step == null)
{
throw new ArgumentNullException(nameof(step));
}
if (workingDir == null)
{
throw new ArgumentNullException(nameof(workingDir));
}
#endregion
if (string.IsNullOrEmpty(step.Path))
{
throw new IOException(string.Format(Resources.RecipeInvalidPath, "(empty)"));
}
string path = FileUtils.UnifySlashes(step.Path);
if (FileUtils.IsBreakoutPath(path))
{
throw new IOException(string.Format(Resources.RecipeInvalidPath, path));
}
string absolutePath = Path.Combine(workingDir, path);
if (Directory.Exists(absolutePath))
{
Directory.Delete(absolutePath, recursive: true);
}
else
{
File.Delete(absolutePath);
}
// Update in flag files as well
FlagUtils.Remove(Path.Combine(workingDir, FlagUtils.XbitFile), path);
FlagUtils.Remove(Path.Combine(workingDir, FlagUtils.SymlinkFile), path);
}
