/// <summary>
/// Verifies the answer of the given question using a NUnit constraint
/// </summary>
/// <typeparam name="T">The answer type</typeparam>
/// /// <param name="verifies">The <see cref="IVerifies"/> instance</param>
/// <param name="question">The question to verify the answer from</param>
/// <param name="constraint">A NUnit constraint that encapsulate the expected result</param>
/// <param name="getExceptionMessage">A function that returns the message to return when the assertion fails</param>
/// <returns>The answer, when the verification succeeds</returns>
public static T Then <T>(
this IVerifies verifies,
IQuestion <T> question,
IResolveConstraint constraint,
Func <string> getExceptionMessage)
{
if (verifies == null)
{
throw new ArgumentNullException(nameof(verifies));
}
if (question == null)
{
throw new ArgumentNullException(nameof(question));
}
if (constraint == null)
{
throw new ArgumentNullException(nameof(constraint));
}
if (getExceptionMessage == null)
{
throw new ArgumentNullException(nameof(getExceptionMessage));
}
return(verifies.Then(question, answer => Assert.That(answer, constraint, getExceptionMessage)));
}
/// <summary>
/// Verifies the answer of the given question using a NUnit constraint
/// </summary>
/// <typeparam name="T">The answer type</typeparam>
/// /// <param name="verifies">The <see cref="IVerifies"/> instance</param>
/// <param name="question">The question to verify the answer from</param>
/// <param name="constraint">A NUnit constraint that encapsulate the expected result</param>
/// <param name="message">The message to return when the assertion fails</param>
/// <param name="args">Arguments to add to the message</param>
/// <returns>The answer, when the verification succeeds</returns>
public static T Then <T>(
this IVerifies verifies,
IQuestion <T> question,
IResolveConstraint constraint,
string message,
params object[] args)
{
if (verifies == null)
{
throw new ArgumentNullException(nameof(verifies));
}
if (question == null)
{
throw new ArgumentNullException(nameof(question));
}
if (constraint == null)
{
throw new ArgumentNullException(nameof(constraint));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
return(verifies.Then(question, answer => Assert.That(answer, constraint, message, args)));
}
public static IVerifies DontEnforceSetupVerification(this IVerifies verifies)
{
var testeroidsSetup = (Mocking.IVerifiesInternals)verifies;
var expression = testeroidsSetup.Expression;
var testeroidsMock = testeroidsSetup.TesteroidsMock;
testeroidsMock.UnregisterSetupForVerification(expression);
return(verifies);
}
/// <summary>
/// Verifies the answer of the given question using a NUnit constraint
/// </summary>
/// <typeparam name="T">The answer type</typeparam>
/// /// <param name="verifies">The <see cref="IVerifies"/> instance</param>
/// <param name="question">The question to verify the answer from</param>
/// <param name="constraint">A NUnit constraint that encapsulate the expected result</param>
/// <param name="message">The message to return when the assertion fails</param>
/// <param name="args">Arguments to add to the message</param>
/// <returns>The answer, when the verification succeeds</returns>
public static T Then <T>(
this IVerifies verifies,
IQuestion <T> question,
IResolveConstraint constraint,
string message,
params object[] args)
{
ValidateArguments(verifies, question, constraint, message, args);
return(verifies.Then(question, answer => Assert.That(answer, constraint, message, args)));
}
/// <summary>
/// Verifies the answer of the given question using a NUnit constraint
/// </summary>
/// <typeparam name="T">The answer type</typeparam>
/// /// <param name="verifies">The <see cref="IVerifies"/> instance</param>
/// <param name="question">The question to verify the answer from</param>
/// <param name="constraint">A NUnit constraint that encapsulate the expected result</param>
/// <returns>The answer, when the verification succeeds</returns>
public static Task <T> Then <T>(this IVerifies verifies, IQuestion <Task <T> > question, IResolveConstraint constraint)
{
if (verifies == null)
{
throw new ArgumentNullException(nameof(verifies));
}
if (question == null)
{
throw new ArgumentNullException(nameof(question));
}
if (constraint == null)
{
throw new ArgumentNullException(nameof(constraint));
}
return(verifies.Then <T>(question, answer => Assert.That(answer, constraint)));
}
public void Then_ShouldCallAction(
IVerifies verifies,
IActor actor,
object expected)
{
// arrange
var verification = new Mock <Action <object> >();
var question = Questions.FromResult(expected);
Mock.Get(verifies).Setup(a => a.Then(It.IsAny <IQuestion <object> >(), It.IsAny <Func <object, object> >()))
.Returns((IQuestion <object> q, Func <object, object> f) =>
{
return(f(q.AnsweredBy(actor)));
});
// act
var actual = verifies.Then(question, verification.Object);
// assert
Assert.Equal(expected, actual);
verification.Verify(v => v(expected));
}
/// <summary>
/// Verifies the answer of the given question
/// </summary>
/// <typeparam name="TAnswer">The answer type</typeparam>
/// <param name="actor">The actor</param>
/// <param name="question">The question to verify the answer from</param>
/// <param name="verifyAction">The action that verifies the answer. This action can throw assertion exceptions (using the Assert of a unit test framework) to indicates that the verification fails.</param>
/// <returns>The answer, when the verification succeeds</returns>
public static TAnswer Then <TAnswer>(this IVerifies actor, IQuestion <TAnswer> question, Action <TAnswer> verifyAction)
{
if (actor is null)
{
throw new ArgumentNullException(nameof(actor));
}
if (question is null)
{
throw new ArgumentNullException(nameof(question));
}
if (verifyAction is null)
{
throw new ArgumentNullException(nameof(verifyAction));
}
return(actor.Then(question, result =>
{
verifyAction(result);
return result;
}));
}
public async Task Then_Async_ShouldExecuteAction(
IVerifies verifies,
IActor actor,
object expected)
{
// arrange
var mockAction = new Mock <Action <object> >();
var task = Task.FromResult(expected);
var question = Questions.FromResult(task);
Mock.Get(verifies).Setup(a => a.Then(It.IsAny <IQuestion <Task <object> > >(), It.IsAny <Func <Task <object>, Task <object> > >()))
.Returns((IQuestion <Task <object> > q, Func <Task <object>, Task <object> > f) =>
{
return(f(q.AnsweredBy(actor)));
});
// act
var actual = await verifies.Then(question, mockAction.Object);
// assert
Assert.Equal(expected, actual);
mockAction.Verify(a => a(expected));
}
/// <summary>
/// Verifies the answer of the given asynchronous question
/// </summary>
/// <typeparam name="TAnswer">The answer type</typeparam>
/// <param name="actor">The actor</param>
/// <param name="question">The question to verify the answer from</param>
/// <param name="verifyAction">The action that verifies the answer. This action can throw assertion exceptions (using the Assert of a unit test framework) to indicates that the verification fails.</param>
/// <returns>The answer, when the verification succeeds</returns>
public static Task <TAnswer> Then <TAnswer>(this IVerifies actor, IQuestion <Task <TAnswer> > question, Action <TAnswer> verifyAction)
{
if (actor is null)
{
throw new ArgumentNullException(nameof(actor));
}
if (question is null)
{
throw new ArgumentNullException(nameof(question));
}
if (verifyAction is null)
{
throw new ArgumentNullException(nameof(verifyAction));
}
return(actor.Then(question, async resultTask =>
{
var result = await resultTask;
verifyAction(result);
return result;
}));
}
private static void ValidateArguments <T>(IVerifies verifies, IQuestion <T> question, IResolveConstraint constraint, string message, object[] args)
{
if (verifies == null)
{
throw new ArgumentNullException(nameof(verifies));
}
if (question == null)
{
throw new ArgumentNullException(nameof(question));
}
if (constraint == null)
{
throw new ArgumentNullException(nameof(constraint));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (args == null)
{
throw new ArgumentNullException(nameof(args));
}
}
protected override void SetupVerifiableWrapper(IVerifies wrappedReturn, IVerifies verifiableWrapperReturn)
{
mockVerifiableWrapper.Setup(m => m.WrapVerifiesForVerification(wrappedReturn)).Returns(verifiableWrapperReturn);
}
public IVerifies WrapVerifiesForVerification(IVerifies wrap)
{
return(new VerifiableVerifies(wrap, this));
}
public static IVerifies EnforceUsage(this IVerifies verifies)
{
verifies.Verifiable();
return(verifies);
}
