public void LifeCycle()
{
// Arrange
var progressHandler = new StatusBarDownloadProgressHandler(dummyStatusBar, dummyInstaller, logger);
// 1. Initial request
dummyInstaller.SimulateProgressChanged(new InstallationProgressChangedEventArgs(0, 1000));
dummyStatusBar.CheckLastCallWasSetupCall(0, 1000);
// 2. Progress updates
dummyInstaller.SimulateProgressChanged(new InstallationProgressChangedEventArgs(100, 1000));
dummyStatusBar.CheckLastCallWasInProgressCall(100, 1000);
// 3. Cleanup - reset the statusbar
dummyInstaller.SimulateInstallFinished(new System.ComponentModel.AsyncCompletedEventArgs(null, false, null));
dummyStatusBar.CheckLastCallWasCleanup();
dummyStatusBar.ProgressCallCount.Should().Be(3);
dummyInstaller.AssertNoEventHandlersRegistered();
// 4. Dispose
progressHandler.Dispose();
dummyStatusBar.ProgressCallCount.Should().Be(3); // progress should not be called since already cleaned up
dummyInstaller.AssertNoEventHandlersRegistered();
}
public void LifeCycle_Dispose_UnhooksEventHandlers()
{
// Arrange
var progressHandler = new StatusBarDownloadProgressHandler(dummyStatusBar, dummyInstaller, logger);
// 1. Initial request
dummyInstaller.SimulateProgressChanged(new InstallationProgressChangedEventArgs(0, 1000));
dummyStatusBar.CheckLastCallWasSetupCall(0, 1000);
// 2. Progress updates
dummyInstaller.SimulateProgressChanged(new InstallationProgressChangedEventArgs(100, 1000));
dummyStatusBar.CheckLastCallWasInProgressCall(100, 1000);
dummyStatusBar.ProgressCallCount.Should().Be(2);
// 3. Dispose - unhook event handlers, then simulate more events
progressHandler.Dispose();
dummyInstaller.AssertNoEventHandlersRegistered();
dummyStatusBar.CheckLastCallWasCleanup();
dummyStatusBar.ProgressCallCount.Should().Be(3);
}