private void AssertUpdateCheck(UpdateChecker checker, EventHandler <UpdateAvailableEventArgs> handler)
{
var raised = false;
checker.UpdateAvailable += handler;
checker.UpdateAvailable += (sender, args) => raised = true;
checker.Start();
// Wait a while to see if the event is raised.
for (var i = 0; i < 20; i++)
{
Thread.Sleep(50);
if (raised)
{
return;
}
}
Assert.Fail("Update checker did not raise event.");
}
public void UpdateChecker_RaisesAfterSpecifiedTime()
{
const int checkBeforeMs = 800;
const int raiseAfterMs = 1000;
const int checkAgainMs = 400;
const int checkAttempts = 10;
var source = new DummyUpdateSource
{
Versions = new List <ProgramVersion>
{
new ProgramVersion
{
VersionNumber = new SemanticVersion(1, 0, 1)
}
}
};
var checker = new UpdateChecker(source, new SemanticVersion(1, 0, 0), false, TimeSpan.FromMilliseconds(raiseAfterMs));
var raised = false;
checker.UpdateAvailable += (sender, args) => { raised = true; };
checker.Start();
// Validate that the event is not raised before the time specified in raiseAfterMs has expired.
Thread.Sleep(checkBeforeMs);
Assert.IsFalse(raised, "Notification was raised before update interval expired");
// Validate that the event has been raised now.
Thread.Sleep(checkAgainMs);
for (int i = 0; i < checkAttempts && !raised; i++)
{
Thread.Sleep(checkAgainMs);
}
Assert.IsTrue(raised, "Notification was not raised");
}
/// <summary>
/// Checks whether supplying a given update version against a given base version raises an update-available event.
/// </summary>
private bool RaisesEvent(SemanticVersion currentVersion, SemanticVersion updateVersion)
{
var source = new DummyUpdateSource
{
Versions = new List <ProgramVersion>
{
new ProgramVersion
{
VersionNumber = updateVersion
}
}
};
var checker = new UpdateChecker(source, currentVersion, false, TimeSpan.FromMilliseconds(1));
var raised = false;
checker.UpdateAvailable += (sender, args) =>
{
raised = true;
checker.Dispose();
};
checker.Start();
// Wait a while to see if the event is raised.
for (var i = 0; i < 20; i++)
{
Thread.Sleep(50);
if (raised)
{
return(true);
}
}
return(raised);
}