NUnitEx : News

After the very good feed back of the previous post, the new look of NUnitEx is:

Bollean Constraints:

actual.Should().Be.True();
actual.Should().Be.False();

Object Constraints:

actual.Should().Be.Equal(something);
actual.Should().Be.Null();
actual.Should().Be.SameInstanceAs(something);
actual.Should().Be.InstanceOf<SomeClass>();
actual.Should().Be.OfType<SomeClass>();
actual.Should().Be.AssignableFrom<SomeClass>();
actual.Should().Be.AssignableTo<SomeClass>(); 
actual.Should().Be.BinarySerializable();
actual.Should().Be.XmlSerializable();

Each constraint allow negation as : actual.Should().Not.Be.Equal(something);

Struct/Struct? Constraints

actual.Should().Be.LessThan(maxvalue);
actual.Should().Be.GreaterThan(minvalue);
actual.Should().Be.LessThanOrEqual(maxvalue);
actual.Should().Be.GreaterThanOrEqual(minvalue);
actual.Should().Be.Equal(actual);

Each constraint allow negation as : actual.Should().Not.Be.Equal(minvalue);

String Constraints

actual.Should().Be.Equal("a");
actual.Should().Be.Empty();
actual.Should().Be.Null();
actual.Should().Contain("some");
actual.Should().StartWith("some");
actual.Should().EndWith("ing");
actual.Should().Match("ome[tT]h");

Each constraint allow negation as : actual.Should().Not.Be.Equal("a string");

Enumerable Constraints

actual.Should().Have.SameSequenceAs(new[] { 1, 2, 3 });
actual.Should().Be.Null();
actual.Should().Be.Empty();
actual.Should().Be.SameInstanceAs(expected);
actual.Should().Contain(expected);
actual.Should().Have.SameValuesAs(new[] { 3, 2, 1 });
actual.Should().Have.UniqueValues();
actual.Should().Be.SubsetOf(new[] { 1, 2, 3, 4 });
actual.Should().Be.Ordered();

Each constraint allow negation as : actual.Should().Not.Have.SameSequenceAs(new[] { 3, 1 });

What next

Allow concatenation:

actual.Should().Not.Be.Null()
.And.Contain(expected)
.And.Have.UniqueValues();

Perhaps some new custom assertions for IEnumerable<T>.

Some constraints for Action as, for example:

new Action(() => new Something(null)).Should().Throw<ArgumentNullException>()
.Where.Message.Should().StartsWith("The parameter");

At last I’m studying the possibility to have the same API for others Unit-Test frameworks as xUnit, MbUnit and so on.

Remember that your feedback is very important.