public void ForEach_throws_on_null_arguments()
{
var progressReporter = new ProgressReporter <int>(processingStatus => { });
var items = Enumerable.Range(1, 4).ToList();
Action action = () => progressReporter.ForEach(null, item => true);
action.ShouldThrow <ArgumentNullException>();
action = () => progressReporter.ForEach(items, null);
action.ShouldThrow <ArgumentNullException>();
}
public void ForEach_reports_status_with_expected_ItemCount()
{
var items = Enumerable.Range(1, 4).ToList();
var progressReporter = new ProgressReporter <int>(processingStatus => { processingStatus.ItemCount.Should().Be(items.Count); });
progressReporter.ForEach(items, item => true);
}
public void ForEach_reports_status_with_expected_source_item()
{
var last = 0;
var progressReporter = new ProgressReporter <int>(processingStatus => { processingStatus.ItemsProcessed.Should().Be(++last); });
var items = Enumerable.Range(1, 4).ToList();
progressReporter.ForEach(items, item => true);
}
public void ForEach_reports_status_with_each_iteration()
{
var sum = 0;
var progressReporter = new ProgressReporter <int>(processingStatus => { sum += processingStatus.SourceItem; });
var items = Enumerable.Range(1, 4).ToList();
progressReporter.ForEach(items, item => true);
sum.Should().Be(10);
}
public void ForEach_reports_status_with_expected_Success()
{
var items = Enumerable.Range(1, 1).ToList();
var progressReporter = new ProgressReporter <int>(processingStatus => { processingStatus.Success.Should().Be(true); });
progressReporter.ForEach(items, item => true);
progressReporter = new ProgressReporter <int>(processingStatus => { processingStatus.Success.Should().Be(false); });
progressReporter.ForEach(items, item => false);
}
public void ForEach_continues_after_an_exception()
{
var last = 0;
var items = Enumerable.Range(1, 4).ToList();
var progressReporter = new ProgressReporter <int>(processingStatus => { last = processingStatus.SourceItem; });
progressReporter.ForEach(
items,
item => { throw new Exception("Test"); });
last.Should().Be(4);
}
public void ForEach_reports_status_with_expected_Exception()
{
var items = Enumerable.Range(1, 1).ToList();
var progressReporter = new ProgressReporter <int>(processingStatus => { processingStatus.Exception.Should().BeNull(); });
progressReporter.ForEach(items, item => true);
var expectedException = new Exception("Test");
progressReporter =
new ProgressReporter <int>(processingStatus => { processingStatus.Exception.Should().BeSameAs(expectedException); });
progressReporter.ForEach(items, item => { throw expectedException; });
}
public void ForEach_reports_status_with_expected_PercentageComplete()
{
var items = Enumerable.Range(1, 4).ToList();
var progressReporter =
new ProgressReporter <int>(
processingStatus =>
{
processingStatus.PercentageComplete.Should()
.Be(Convert.ToDouble(processingStatus.ItemsProcessed) / processingStatus.ItemCount);
});
progressReporter.ForEach(items, item => true);
}
public void ForEach_iterates_each_item()
{
var sum = 0;
var progressReporter = new ProgressReporter <int>(processingStatus => { });
var items = Enumerable.Range(1, 4).ToList();
progressReporter.ForEach(
items,
item =>
{
sum += item;
return(true);
});
sum.Should().Be(10);
}
