public DependencySnapshotInstallerTests()
{
_targetPathInstalled = DependencySnapshotFolderNameTools.CreateUniqueName();
_targetPathInstalling = DependencySnapshotFolderNameTools.ConvertInstalledToInstalling(_targetPathInstalled);
_mockStorage.Setup(_ => _.CreateInstallingSnapshot(_targetPathInstalled)).Returns(_targetPathInstalling);
_mockStorage.Setup(_ => _.PromoteInstallingSnapshotToInstalledAtomically(_targetPathInstalled));
}
public void NamesConvertedFromInstalledToInstallingDoNotHaveInstalledPostfix()
{
var name = DependencySnapshotFolderNameTools.CreateUniqueName();
var convertedToInstalling = DependencySnapshotFolderNameTools.ConvertInstalledToInstalling(name);
Assert.False(convertedToInstalling.EndsWith(DependencySnapshotFolderNameTools.InstalledPostfix));
}
public void UniqueNamesConvertedFromInstalledToInstallingAreStillUnique()
{
var name1 = DependencySnapshotFolderNameTools.CreateUniqueName();
Thread.Sleep(2); // A snapshot name created 2 milliseconds later must be different
var name2 = DependencySnapshotFolderNameTools.CreateUniqueName();
var convertedToInstalling1 = DependencySnapshotFolderNameTools.ConvertInstalledToInstalling(name1);
var convertedToInstalling2 = DependencySnapshotFolderNameTools.ConvertInstalledToInstalling(name2);
Assert.NotEqual(convertedToInstalling1, convertedToInstalling2);
}
public void UniqueNamesConvertedFromInstalledToInstallingAreStillUnique()
{
// A snapshot name created 1 microsecond (10 ticks) later must be different
var waitTime = new TimeSpan(10);
var name1 = DependencySnapshotFolderNameTools.CreateUniqueName();
Thread.Sleep(waitTime);
var name2 = DependencySnapshotFolderNameTools.CreateUniqueName();
var convertedToInstalling1 = DependencySnapshotFolderNameTools.ConvertInstalledToInstalling(name1);
var convertedToInstalling2 = DependencySnapshotFolderNameTools.ConvertInstalledToInstalling(name2);
Assert.NotEqual(convertedToInstalling1, convertedToInstalling2);
}