public void TestReplaceFiles()
{
string testdata = Guid.NewGuid().ToString();
string tmpPath;
TempFile replace = new TempFile();
using (ReplaceFile temp = new ReplaceFile(replace.TempPath))
{
Assert.AreEqual(temp.TargetFile, replace.TempPath);
tmpPath = temp.TempPath;
Assert.IsTrue(temp.Exists);
temp.WriteAllText(testdata);
//missing commit:
//temp.Commit();
}
Assert.AreEqual(0, replace.Length);
Assert.IsFalse(File.Exists(tmpPath));
string backupfile = Path.ChangeExtension(replace.TempPath, ".bak");
File.Delete(Path.ChangeExtension(replace.TempPath, ".bak"));
Assert.IsFalse(File.Exists(backupfile));
replace.WriteAllText("backup");
//now for real
using (ReplaceFile temp = new ReplaceFile(replace.TempPath, ".bak"))
{
tmpPath = temp.TempPath;
Assert.IsTrue(temp.Exists);
temp.WriteAllText(testdata);
temp.Commit();
}
Assert.IsFalse(File.Exists(tmpPath));
Assert.AreEqual(testdata, replace.ReadAllText());
Assert.IsTrue(File.Exists(backupfile));
using (TempFile fbackup = TempFile.Attach(backupfile))
Assert.AreEqual("backup", fbackup.ReadAllText());
}
