public void Interceptions_should_return_interceptions_that_are_added()
{
var fake = new FakeObject(typeof(IFoo));
var one = CreateApplicableInterception();
var two = CreateApplicableInterception();
fake.AddRule(one);
fake.AddRule(two);
Assert.That(fake.Rules, Is.EquivalentTo(new[] { one, two }));
}
public void The_first_applicable_interceptor_should_be_called_when_it_has_not_been_used()
{
var fake = new FakeObject(typeof(IFoo));
var interception = new FakeCallRule
{
IsApplicableTo = x => true
};
fake.AddRule(NonApplicableInterception);
fake.AddRule(interception);
((IFoo)fake.Object).Bar();
Assert.That(interception.ApplyWasCalled, Is.True);
}
public void The_latest_added_rule_should_be_called_for_ever_when_no_number_of_times_is_specified()
{
var fake = new FakeObject(typeof(IFoo));
var firstRule = CreateApplicableInterception();
var latestRule = CreateApplicableInterception();
fake.AddRule(firstRule);
fake.AddRule(latestRule);
var foo = (IFoo)fake.Object;
foo.Bar();
foo.Bar();
foo.Bar();
Assert.That(firstRule.ApplyWasCalled, Is.False);
}
public static T Fake <T>(T wrappedInstance, IFakeCallRecorder persister) where T : class
{
var fakeObject = new FakeObject(typeof(T));
fakeObject.AddRule(new PersisterRule {
Recorder = persister, WrappedObjectRule = new WrappedObjectRule(wrappedInstance)
});
return((T)fakeObject.Object);
}
/// <summary>
/// Creates a fake version of the object where calls can be configured.
/// Any unconfigured calls will call the wrapped instance directly.
/// </summary>
/// <typeparam name="T">The type of fake to generate.</typeparam>
/// <param name="wrappedInstance">The object to wrap.</param>
/// <returns>A fake object.</returns>
public static T Fake <T>(T wrappedInstance) where T : class
{
Guard.IsNotNull(wrappedInstance, "wrappedInstance");
var fakeObject = new FakeObject(typeof(T));
fakeObject.AddRule(new WrappedObjectRule(wrappedInstance));
return((T)fakeObject.Object);
}
public void An_applicable_action_should_be_called_its_specified_number_of_times_before_the_next_applicable_action_is_called()
{
var fake = new FakeObject(typeof(IFoo));
var applicableTwice = new FakeCallRule
{
IsApplicableTo = x => true,
NumberOfTimesToCall = 2
};
var nextApplicable = CreateApplicableInterception();
fake.AddRule(nextApplicable);
fake.AddRule(applicableTwice);
((IFoo)fake.Object).Bar();
((IFoo)fake.Object).Bar();
Assert.That(nextApplicable.ApplyWasCalled, Is.False);
((IFoo)fake.Object).Bar();
Assert.That(nextApplicable.ApplyWasCalled, Is.True);
}
public void Rules_should_only_be_valid_within_the_current_scope()
{
var fake = new FakeObject(typeof(IFoo));
var rule = A.Fake <IFakeObjectCallRule>();
Fake.Configure(rule)
.CallsTo(x => x.IsApplicableTo(Argument.Is.Any <IFakeObjectCall>()))
.Returns(true);
using (Fake.CreateScope())
{
fake.AddRule(rule);
}
(fake.Object as IFoo).Bar();
Fake.Assert(rule).WasNotCalled(x => x.Apply(Argument.Is.Any <IWritableFakeObjectCall>()));
}
public void DefaultValue_should_be_returned_when_the_last_applicable_action_has_been_used_its_specified_number_of_times()
{
var fake = new FakeObject(typeof(IFoo));
var applicableTwice = CreateApplicableInterception();
applicableTwice.NumberOfTimesToCall = 2;
applicableTwice.Apply = x => x.SetReturnValue(10);
fake.AddRule(applicableTwice);
((IFoo)fake.Object).Baz();
((IFoo)fake.Object).Baz();
var result = ((IFoo)fake.Object).Baz();
Assert.That(result, Is.EqualTo(0));
}