public async Task Given_Configured_When_Build_Then_EvaluatorBuilt()
{
// Arrange
var verifierTimeout = TimeSpan.FromMilliseconds(500);
var spec = new ExpectationSpecification();
var config = (IExpectationConfigurator)spec;
async IAsyncEnumerable <ConditionInstance> FilterImp(IAsyncEnumerable <ConditionInstance> enumerable)
{
await foreach (var item in enumerable)
{
if (item.When >= TimeSpan.FromMilliseconds(200))
{
continue;
}
yield return(item);
}
}
var filterSpec = A.Fake <IExpectationFilterSpecification>();
A.CallTo(() => filterSpec.Build()).Returns(FilterImp);
bool failed = false;
var criteria = A.Fake <IExpectationCriteriaEvaluator>();
A.CallTo(() => criteria.Evaluate(A <ConditionInstance> ._)).Invokes((ConditionInstance c) =>
{
if (c.When >= TimeSpan.FromMilliseconds(200))
{
failed = true;
}
});
A.CallTo(() => criteria.Met).ReturnsLazily(() => !failed);
var criteriaFactory = A.Fake <IExpectationCriteriaEvaluatorFactory>();
A.CallTo(() => criteriaFactory.CreateInstance()).Returns(criteria);
var criteriaSpec = A.Fake <IExpectationCriteriaSpecification>();
A.CallTo(() => criteriaSpec.Build()).Returns(criteriaFactory);
A.CallTo(() => criteriaSpec.Timeout).Returns(TimeSpan.FromMilliseconds(500));
var componentEvaluator = new MockComponentEvaluator(TimeSpan.FromMilliseconds(50), 8);
config.Where(c => c.AddSpecification(filterSpec))
.Must(criteriaSpec);
var evaluator = spec.Build(verifierTimeout, componentEvaluator, string.Empty);
var result = await evaluator.EvaluateAsync();
Assert.That(result, Is.Not.Null);
Assert.That(result.Met, Is.True);
Assert.That(result.Completed, Is.True);
}
public void Given_NullComponent_When_Build_Then_Throw()
{
// Arrange
var spec = new ExpectationSpecification();
// Act & Assert
Assert.Throws <ArgumentNullException>(() => spec.Build(TimeSpan.FromMilliseconds(1), null, string.Empty));
}
public void Given_NotConfigured_When_Build_Then_Throw()
{
// Arrange
var spec = new ExpectationSpecification();
var component = A.Dummy <IComponentConditionEvaluator>();
// Act & Assert
Assert.Throws <InvalidOperationException>(() => spec.Build(TimeSpan.FromMilliseconds(1), component, string.Empty));
}
public void Expect(IComponentConditionSpecification conditionSpecification, Action <IExpectationConfigurator> config)
{
var expecationSpec = new ExpectationSpecification();
config(expecationSpec);
_specs.Add(
(
conditionSpecification ?? throw new ArgumentNullException(nameof(conditionSpecification)),
expecationSpec
));
}
public void Given_BuiltInDescriptions_When_EvaluatorDescription_Then_DefaultDescription()
{
var spec = new ExpectationSpecification();
var config = (IExpectationConfigurator)spec;
config.Where(c => c.AddSpecification(_filterSpec))
.Must(_criteriaSpec);
var evaluator = spec.Build(_verifierTimeout, _componentEvaluator, ConditionDescription);
Assert.That(evaluator.Description, Is.EqualTo($"{ConditionDescription} WHERE {FilterDescription} MUST {CriteriaDescription}"));
}
public void SetUp()
{
_spec = new ExpectationSpecification();
var config = (IExpectationConfigurator)_spec;
var criteriaFactory = A.Fake <IExpectationCriteriaEvaluatorFactory>();
_criteriaSpec = A.Fake <IExpectationCriteriaSpecification>();
A.CallTo(() => _criteriaSpec.Build()).Returns(criteriaFactory);
config.Must(_criteriaSpec);
_componentEvaluator = A.Dummy <IComponentConditionEvaluator>();
}
public void Given_DescriptionOverride_When_EvaluatorDescription_Then_DescriptionOverride()
{
const string DescriptionOverride = "Override";
var spec = new ExpectationSpecification();
var config = (IExpectationConfigurator)spec;
config.Description(DescriptionOverride)
.Where(c => c.AddSpecification(_filterSpec))
.Must(_criteriaSpec);
var evaluator = spec.Build(_verifierTimeout, _componentEvaluator, ConditionDescription);
Assert.That(evaluator.Description, Is.EqualTo(DescriptionOverride));
}
public void Given_MultipleDescriptions_When_EvaluatorDescription_Then_DefaultDescription()
{
const string FilterDescription2 = "Filter2";
var spec = new ExpectationSpecification();
var config = (IExpectationConfigurator)spec;
var filterSpec2 = A.Fake <IExpectationFilterSpecification>();
A.CallTo(() => filterSpec2.Description).Returns(FilterDescription2);
config.Where(c => c.AddSpecification(_filterSpec))
.Where(c => c.AddSpecification(filterSpec2))
.Must(_criteriaSpec);
var evaluator = spec.Build(_verifierTimeout, _componentEvaluator, ConditionDescription);
Assert.That(evaluator.Description, Is.EqualTo($"{ConditionDescription} WHERE {FilterDescription}, {FilterDescription2} MUST {CriteriaDescription}"));
}
