public void When_an_type_only_exposes_fields_but_fields_are_ignored_in_the_equivalence_comparision_it_should_fail()
{
// Arrange
var object1 = new ClassWithOnlyAField {
Value = 1
};
var object2 = new ClassWithOnlyAField {
Value = 101
};
// Act
Action act = () => object1.Should().BeEquivalentTo(object2, opts => opts.IncludingAllDeclaredProperties());
// Assert
act.Should().Throw <InvalidOperationException>("the objects have no members to compare.");
}
public void When_all_field_of_the_object_are_not_equal_equivalency_should_fail()
{
// Arrange
var object1 = new ClassWithOnlyAField {
Value = 1
};
var object2 = new ClassWithOnlyAField {
Value = 101
};
// Act
Action act = () => object1.Should().BeEquivalentTo(object2);
// Assert
act.Should().Throw <XunitException>();
}
public void When_a_field_on_the_subject_matches_a_property_the_members_should_match_for_equivalence()
{
// Arrange
var onlyAField = new ClassWithOnlyAField {
Value = 1
};
var onlyAProperty = new ClassWithOnlyAProperty {
Value = 101
};
// Act
Action act = () => onlyAField.Should().BeEquivalentTo(onlyAProperty);
// Assert
act.Should().Throw <XunitException>().WithMessage("Expected property onlyAField.Value*to be 101, but found 1.*");
}
public void When_all_field_of_the_object_are_equal_equivalency_should_pass()
{
// Arrange
var object1 = new ClassWithOnlyAField {
Value = 1
};
var object2 = new ClassWithOnlyAField {
Value = 1
};
// Act
Action act = () => object1.Should().BeEquivalentTo(object2);
// Assert
act.Should().NotThrow();
}
public void When_asserting_equivalence_including_only_properties_it_should_not_match_fields()
{
// Arrange
var onlyAField = new ClassWithOnlyAField {
Value = 1
};
var onlyAProperty = new ClassWithOnlyAProperty {
Value = 101
};
// Act
Action act = () => onlyAField.Should().BeEquivalentTo(onlyAProperty, opts => opts.IncludingAllDeclaredProperties());
// Assert
act.Should().Throw <XunitException>()
.WithMessage("Expectation has property onlyAField.Value that the other object does not have*");
}