Comments on: Pimp Up Your Unit Test Assertions http://www.arrangeactassert.com/pimp-up-your-unit-test-assertions/ Jag Reehal on Agile Development, ASP.NET MVC and all manner of good stuff Sun, 29 Jan 2012 22:29:00 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Dennis Doomenhttp://www.arrangeactassert.com/pimp-up-your-unit-test-assertions/#comment-99 Dennis Doomen Sun, 08 Aug 2010 14:29:28 +0000 http://www.arrangeactassert.com/?p=574#comment-99 Jag, in terms of intention revealing unit tests, you may like http://fluentassertions.codeplex.com. With it you can do stuff like"ABCDEFGHI".Should().StartWith("AB").And.EndWith("HI").And.Contain("EF").And.HaveLength(9); new[] { 1, 2, 3 }.Should().HaveCount(4, "because we thought we put three items in the collection")) dtoCollection.Should().Contain(dto => dto.Id != null); collection.Should().HaveCount(c => c >= 3); dto.ShouldHave().AllPropertiesBut(d => d.Id).EqualTo(customer); dt1.Should().BeWithin(TimeSpan.FromHours(50)).Before(dt2); Action action = () => recipe.AddIngredient("Milk", 100, Unit.Spoon); action .ShouldThrow() .WithMessage("Cannot change the unit of an existing ingredient") .And.Violations.Should().Contain(BusinessRule.CannotChangeIngredientQuanity Jag, in terms of intention revealing unit tests, you may like http://fluentassertions.codeplex.com. With it you can do stuff like

“ABCDEFGHI”.Should().StartWith(“AB”).And.EndWith(“HI”).And.Contain(“EF”).And.HaveLength(9);

new[] { 1, 2, 3 }.Should().HaveCount(4, “because we thought we put three items in the
collection”))

dtoCollection.Should().Contain(dto => dto.Id != null);

collection.Should().HaveCount(c => c >= 3);

dto.ShouldHave().AllPropertiesBut(d => d.Id).EqualTo(customer);

dt1.Should().BeWithin(TimeSpan.FromHours(50)).Before(dt2);

Action action = () => recipe.AddIngredient(“Milk”, 100, Unit.Spoon);
action
.ShouldThrow()
.WithMessage(“Cannot change the unit of an existing ingredient”)
.And.Violations.Should().Contain(BusinessRule.CannotChangeIngredientQuanity

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