/// <summary>
/// Runs the specified test specification.
/// </summary>
/// <param name="specification">The test specification to run.</param>
/// <returns>
/// The result of running the test specification.
/// </returns>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="specification"/> is <c>null</c>.</exception>
public ExceptionCentricAggregateQueryTestResult Run(ExceptionCentricAggregateQueryTestSpecification specification)
{
if (specification == null) throw new ArgumentNullException("specification");
var sut = specification.SutFactory();
sut.Initialize(specification.Givens);
object queryResult = null;
var result = Catch.Exception(() => queryResult = specification.When(sut));
if (!result.HasValue)
{
if (sut.HasChanges())
{
return specification.Fail(sut.GetChanges().ToArray());
}
return specification.Fail(queryResult);
}
var actualException = result.Value;
if (_comparer.Compare(actualException, specification.Throws).Any())
{
return specification.Fail(actualException);
}
if (sut.HasChanges())
{
return specification.Fail(sut.GetChanges().ToArray());
}
return specification.Pass();
}
/// <summary>
/// Initializes a new instance of the <see cref="ExceptionCentricTestResult"/> class.
/// </summary>
/// <param name="specification">The specification.</param>
/// <param name="state">The state.</param>
/// <param name="actualException">The actual exception.</param>
/// <param name="actualEvents">The actual events.</param>
/// <param name="actualResult">The actual result.</param>
internal ExceptionCentricAggregateQueryTestResult(
ExceptionCentricAggregateQueryTestSpecification specification, TestResultState state,
Optional <Exception> actualException,
Optional <object[]> actualEvents,
Optional <object> actualResult)
{
_specification = specification;
_state = state;
_actualException = actualException;
_actualEvents = actualEvents;
_actualResult = actualResult;
}
/// <summary>
/// Initializes a new instance of the <see cref="ExceptionCentricTestResult"/> class.
/// </summary>
/// <param name="specification">The specification.</param>
/// <param name="state">The state.</param>
/// <param name="actualException">The actual exception.</param>
/// <param name="actualEvents">The actual events.</param>
/// <param name="actualResult">The actual result.</param>
internal ExceptionCentricAggregateQueryTestResult(
ExceptionCentricAggregateQueryTestSpecification specification, TestResultState state,
Optional<Exception> actualException,
Optional<object[]> actualEvents,
Optional<object> actualResult)
{
_specification = specification;
_state = state;
_actualException = actualException;
_actualEvents = actualEvents;
_actualResult = actualResult;
}
public void SetUp()
{
Func <IAggregateRootEntity> sutQuery = () => (IAggregateRootEntity)null;
var givens = new[] { new object(), new object() };
Func <IAggregateRootEntity, object> when = _ => null;
var throws = new Exception();
_sut = new ExceptionCentricAggregateQueryTestSpecification(
sutQuery,
givens,
when,
throws);
}
/// <summary>
/// Runs the specified test specification.
/// </summary>
/// <param name="specification">The test specification to run.</param>
/// <returns>
/// The result of running the test specification.
/// </returns>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="specification"/> is <c>null</c>.</exception>
public ExceptionCentricAggregateQueryTestResult Run(ExceptionCentricAggregateQueryTestSpecification specification)
{
if (specification == null)
{
throw new ArgumentNullException(nameof(specification));
}
var sut = specification.SutFactory();
sut.Initialize(specification.Givens);
object queryResult = null;
var result = Catch.Exception(() => queryResult = specification.When(sut));
if (!result.HasValue)
{
if (sut.HasChanges())
{
#if NET20
return(specification.Fail(new List <object>(sut.GetChanges()).ToArray()));
#else
return(specification.Fail(sut.GetChanges().ToArray()));
#endif
}
return(specification.Fail(queryResult));
}
var actualException = result.Value;
#if NET20
using (var enumerator = _comparer.Compare(actualException, specification.Throws).GetEnumerator())
{
if (enumerator.MoveNext())
{
return(specification.Fail(actualException));
}
}
#else
if (_comparer.Compare(actualException, specification.Throws).Any())
{
return(specification.Fail(actualException));
}
#endif
if (sut.HasChanges())
{
#if NET20
return(specification.Fail(new List <object>(sut.GetChanges())));
#else
return(specification.Fail(sut.GetChanges().ToArray()));
#endif
}
return(specification.Pass());
}
public void RunReturnsExpectedResultWhenPassed()
{
var specification = new ExceptionCentricAggregateQueryTestSpecification(
() => new PassCase(),
new object[0],
_ => ((PassCase)_).Pass(),
PassCase.TheException);
var result = _sut.Run(specification);
Assert.That(result.Passed, Is.True);
Assert.That(result.Failed, Is.False);
Assert.That(result.ButEvents, Is.EqualTo(Optional<object[]>.Empty));
Assert.That(result.ButException, Is.EqualTo(Optional<Exception>.Empty));
Assert.That(result.ButResult, Is.EqualTo(Optional<object>.Empty));
}
public void RunReturnsExpectedResultWhenFailedBecauseOfDifferentException()
{
var specification = new ExceptionCentricAggregateQueryTestSpecification(
() => new FailExceptionCase(),
new object[0],
_ => ((FailExceptionCase)_).Fail(),
FailExceptionCase.TheExpectedException);
var result = _sut.Run(specification);
Assert.That(result.Passed, Is.False);
Assert.That(result.Failed, Is.True);
Assert.That(result.ButEvents, Is.EqualTo(Optional<object[]>.Empty));
Assert.That(result.ButException, Is.EqualTo(new Optional<Exception>(FailExceptionCase.TheActualException)));
Assert.That(result.ButResult, Is.EqualTo(Optional<object>.Empty));
}
public void RunReturnsExpectedResultWhenFailedBecauseNoExceptionOccurred()
{
var specification = new ExceptionCentricAggregateQueryTestSpecification(
() => new FailNoExceptionCase(),
new object[0],
_ => ((FailNoExceptionCase)_).Fail(),
FailNoExceptionCase.TheExpectedException);
var result = _sut.Run(specification);
Assert.That(result.Passed, Is.False);
Assert.That(result.Failed, Is.True);
Assert.That(result.ButEvents, Is.EqualTo(Optional <object[]> .Empty));
Assert.That(result.ButException, Is.EqualTo(Optional <Exception> .Empty));
Assert.That(result.ButResult, Is.EqualTo(new Optional <object>(FailNoExceptionCase.TheResult)));
}
public void UsingDefaultCtorReturnsInstanceWithExpectedProperties()
{
Func <IAggregateRootEntity> sutQuery = () => (IAggregateRootEntity)null;
var givens = new[] { new object(), new object() };
Func <IAggregateRootEntity, object> when = _ => null;
var throws = new Exception();
var sut = new ExceptionCentricAggregateQueryTestSpecification(
sutQuery,
givens,
when,
throws);
Assert.That(sut.SutFactory, Is.SameAs(sutQuery));
Assert.That(sut.Givens, Is.EquivalentTo(givens));
Assert.That(sut.When, Is.SameAs(when));
Assert.That(sut.Throws, Is.SameAs(throws));
}
/// <summary>
/// Runs the specified test specification.
/// </summary>
/// <param name="specification">The test specification to run.</param>
/// <returns>
/// The result of running the test specification.
/// </returns>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="specification"/> is <c>null</c>.</exception>
public ExceptionCentricAggregateQueryTestResult Run(ExceptionCentricAggregateQueryTestSpecification specification)
{
if (specification == null) throw new ArgumentNullException("specification");
var sut = specification.SutFactory();
sut.Initialize(specification.Givens);
object queryResult = null;
var result = Catch.Exception(() => queryResult = specification.When(sut));
if (!result.HasValue)
{
if (sut.HasChanges())
{
#if NET20
return specification.Fail(new List<object>(sut.GetChanges()).ToArray());
#else
return specification.Fail(sut.GetChanges().ToArray());
#endif
}
return specification.Fail(queryResult);
}
var actualException = result.Value;
#if NET20
using (var enumerator = _comparer.Compare(actualException, specification.Throws).GetEnumerator())
{
if (enumerator.MoveNext())
{
return specification.Fail(actualException);
}
}
#else
if (_comparer.Compare(actualException, specification.Throws).Any())
{
return specification.Fail(actualException);
}
#endif
if (sut.HasChanges())
{
#if NET20
return specification.Fail(new List<object>(sut.GetChanges()));
#else
return specification.Fail(sut.GetChanges().ToArray());
#endif
}return specification.Pass();
}
public void UsingDefaultCtorReturnsInstanceWithExpectedProperties()
{
Func<IAggregateRootEntity> sutQuery = () => (IAggregateRootEntity)null;
var givens = new[] { new object(), new object() };
Func<IAggregateRootEntity, object> when = _ => null;
var throws = new Exception();
var sut = new ExceptionCentricAggregateQueryTestSpecification(
sutQuery,
givens,
when,
throws);
Assert.That(sut.SutFactory, Is.SameAs(sutQuery));
Assert.That(sut.Givens, Is.EquivalentTo(givens));
Assert.That(sut.When, Is.SameAs(when));
Assert.That(sut.Throws, Is.SameAs(throws));
}
public void SetUp()
{
Func<IAggregateRootEntity> sutQuery = () => (IAggregateRootEntity)null;
var givens = new[] { new object(), new object() };
Func<IAggregateRootEntity, object> when = _ => null;
var throws = new Exception();
_sut = new ExceptionCentricAggregateQueryTestSpecification(
sutQuery,
givens,
when,
throws);
}
