Learn the new NUnit 2.4 Constraint-Based Assert Model

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Learn the new NUnit 2.4 Constraint-Based Assert Model (blog.troyd.net)

submitted by powerrush(3873) 4 years, 5 months ago

Instead of using a different Assert method for each different type of assertion (e.g.: Assert.AreEqual() for equality comparison, or Assert.IsTrue() for boolean evaluation), the new Constraint-Based Assert Model introduced in NUnit 2.4 utilizes only one Assert method named Assert.That().

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tags: Testing .net2.0 NUnit Constraints BDD another

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posted by .NetKicks(1304) 4 years, 4 months ago 0

Nice article, I wasn't aware of this but like those fluent interfaces and the way the code looks like when they are used.

posted by powerrush(3873) 4 years, 4 months ago 0

Thanks! I like the way they architected the "Is" vs "Is.Not" in the syntax helpers.

FWIW, in looking at their source code, they utilize an internal Stack to implement operators such as "No" and "All" -- in the ConstraintBuilder class).

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