scichelli’s gists

scichelli / ExpectedObjects_ShouldEqual_vs_ShouldMatch_with_partial_objects.cs

Created July 5, 2011 21:02

First two fail (as expected), but with an unexpected error message, e.g., "For Customer, expected <>f__AnonymousType3`1[System.String]:[{ Name = Expected Name }] but found ExpectedObjectsAssertions.Customer."

	[TestFixture]
	public class When_testing_equivalence_or_matching_for_partially_supplied_properties
	{
	private const string ExpectedName = "Expected Name";
	private Customer _actual;
	private ExpectedObject _expected;

	[Test]
	public void Should_flag_extra_properties_on_actual_object_as_unequal()
	{

scichelli / JsRunningTimerBefore.js

Created November 28, 2011 23:47

JS RunningTimer, before refactoring

	$('.runDisplay').hide();

	var RT = {
	setup : {},
	warmupDuration : 5,
	cooldownDuration : 5
	};

	var runProgram = function() {
	RT.setup = readSetup();

scichelli / jsModuleMocking.html

Created December 17, 2011 22:00

Replacing behavior in JS modules (for test doubles)

	<html><body><script type="text/javascript">

	var myController = function() {
	var ui = function() {
	var show = function(message) {
	alert("original: " + message);
	}
	return { show : show }
	}();

scichelli / UsingWhereAndCount.cs

Created February 20, 2012 23:09

LINQ: testing .Count() > 0, which could be replaced with .Any()

	bool hasMissedDeadlines = deliverables
	.Where(d => d.Deadline < _systemClock.Today)
	.Count() > 0;

scichelli / UsingAny.cs

Created February 20, 2012 23:30

LINQ: .Any() to the rescue

	bool hasMissedDeadlines = deliverables
	.Any(d => d.Deadline < _systemClock.Today);

scichelli / UsingWhereAndCount.cs

Created February 21, 2012 16:21

LINQ: testing .Count() > 0, which could be replaced with .Any()

	bool hasMissedDeadlines = deliverables
	.Where(d => d.Deadline < _systemClock.Today)
	.Count() > 0;

scichelli / UsingAny.cs

Created February 21, 2012 16:21

LINQ: .Any() to the rescue

	bool hasMissedDeadlines = deliverables
	.Any(d => d.Deadline < _systemClock.Today);

scichelli / BindingOutputError.txt

Created March 27, 2012 14:49

XAML binding to an object

	A breakpoint in my Value Converter is never hit. Here's an excerpt of my Output window:

	System.Windows.Data Warning: 68 : BindingExpression (hash=22895473): Found data context element: Image (hash=23663325) (OK)
	System.Windows.Data Warning: 76 : BindingExpression (hash=22895473): Activate with root item OperatingRoomCase (hash=12289189)
	System.Windows.Data Error: 40 : BindingExpression path error: '' property not found on 'current item of collection' ''OperatingRoomCase' (HashCode=12289189)'. BindingExpression:Path=/; DataItem='OperatingRoomCase' (HashCode=12289189); target element is 'Image' (Name=''); target property is 'Source' (type 'ImageSource')
	System.Windows.Data Warning: 78 : BindingExpression (hash=22895473): TransferValue - got raw value {DependencyProperty.UnsetValue}
	System.Windows.Data Warning: 86 : BindingExpression (hash=22895473): TransferValue - using fallback/default value <null>
	System.Windows.Data Warning: 87 : BindingExpression (hash=22895473): TransferValue - using final value <null>

scichelli / BetterCollectionTest.cs

Created October 4, 2012 22:39

Collection Comparison

	private void AssertStructure(string[] actualCollection, string[] expectedCollection)
	{
	var actual = string.Join(",", actualCollection);
	var expected = string.Join(",", expectedCollection.Select(s => s == "..." ? "." : s)).Replace(",.", ".").Replace(".,", ".*");
	Assert.That(actual, Is.StringMatching(expected));
	}

scichelli / offscreen.css

Created November 20, 2012 02:57

CSS to hide visible elements while still letting them be read by screenreaders

	.offscreen {
	position:absolute;
	left:-10000px;
	top:auto;
	width:1px;
	height:1px;
	overflow:hidden;
	}

Sharon Cichelli scichelli