public void CreateWillCorrectlyRaiseSpecimenRequestedInCompositeRequest()
{
// Fixture setup
object requestedObject = "The request";
object subRequest = "Some sub request";
var spy = new List <RequestTraceEventArgs>();
var builder2 = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => r == requestedObject?c.Resolve(subRequest) : new NoSpecimen()
};
var builder3 = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => r == subRequest ? new object() : new NoSpecimen()
};
var compBuilder = new CompositeSpecimenBuilder(builder2, builder3);
var sut = new DelegatingTracingBuilder(compBuilder);
sut.SpecimenRequested += (sender, e) => spy.Add(e);
var container = new SpecimenContext(sut);
// Exercise system
sut.Create(requestedObject, container);
// Verify outcome
Assert.Equal(2, spy.Count);
Assert.Equal(subRequest, spy[1].Request);
Assert.Equal(2, spy[1].Depth);
// Teardown
}
public void CreateOnMultipleThreadsConcurrentlyWorks()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder(new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => 99
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var dummyContext = new DelegatingSpecimenContext()
{
OnResolve = (r) => 99
};
// Exercise system
int[] specimens = Enumerable.Range(0, 1000)
.AsParallel()
.WithDegreeOfParallelism(8)
.WithExecutionMode(ParallelExecutionMode.ForceParallelism)
.Select(x => (int)sut.Create(typeof(int), dummyContext))
.ToArray();
// Verify outcome
Assert.Equal(1000, specimens.Length);
Assert.True(specimens.All(s => s == 99));
// Teardown
}
public void CreateThrowsWithAutoMockingHintOnInterfaceOrAbcRequest(
object request,
string requestType)
{
var tracer =
new DelegatingTracingBuilder(
new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => new NoSpecimen(request)
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var context = new SpecimenContext(sut);
var e = Assert.Throws <ObjectCreationException>(
() => sut.Create(request, context));
Assert.Contains(
requestType,
e.Message,
StringComparison.CurrentCultureIgnoreCase);
Assert.Contains(
"auto-mocking",
e.Message,
StringComparison.CurrentCultureIgnoreCase);
Assert.Contains(
"request path",
e.Message,
StringComparison.CurrentCultureIgnoreCase);
}
public void IgnoredTypeWillNotTrackCreatedSpecimen()
{
// Fixture setup
object tracked = null;
object requestedObject = Guid.NewGuid();
var decoratedBuilder = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => r
};
var sut = new DelegatingTracingBuilder(decoratedBuilder);
var ignoredTypes = new List <Type> {
typeof(Guid)
};
sut.Filter = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => !ignoredTypes.Contains(r.GetType())
};
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
object res = sut.Create(requestedObject, dummyContainer);
// Verify outcome
Assert.Null(tracked);
// Teardown
}
public void CreateWillNotRaiseSpecimenCreatedForIgnoredType()
{
// Fixture setup
var eventRaised = false;
var request = Guid.NewGuid();
var sut = new DelegatingTracingBuilder();
sut.SpecimenCreated += (sender, e) => eventRaised = true;
var ignoredTypes = new List <Type> {
typeof(Guid)
};
sut.Filter = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => !ignoredTypes.Contains(r.GetType())
};
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(request, dummyContainer);
// Verify outcome
Assert.False(eventRaised, "Event raised");
// Teardown
}
public void DepthWillBeResetAfterDecoratedBuilderThrows()
{
// Fixture setup
int createCallNumber = 0;
int lastRequestDepth = 0;
var firstRequest = Guid.NewGuid();
var secondRequest = Guid.NewGuid();
var dummyContainer = new DelegatingSpecimenContext();
var builder = new DelegatingSpecimenBuilder {
OnCreate = (r, c) =>
{
createCallNumber++;
if (createCallNumber == 1)
{
throw new PrivateException();
}
return(c.Resolve(r));
}
};
var sut = new DelegatingTracingBuilder(builder);
sut.SpecimenRequested += (sender, e) => lastRequestDepth = e.Depth;
// Exercise system and verify outcome
Assert.Throws <PrivateException>(() => sut.Create(firstRequest, dummyContainer));
Assert.Equal(1, lastRequestDepth);
sut.Create(secondRequest, dummyContainer);
Assert.Equal(1, lastRequestDepth);
}
public void CreateWillTrackCreatedSpecimensComposite()
{
// Fixture setup
object requestedObject = "The request";
object subRequest = "Some sub request";
object createdSpecimen = Guid.NewGuid();
var spy = new List <object>();
var builder2 = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => r == requestedObject?c.Resolve(subRequest) : new NoSpecimen()
};
var builder3 = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => r == subRequest ? createdSpecimen : new NoSpecimen()
};
var compBuilder = new CompositeSpecimenBuilder(builder2, builder3);
var sut = new DelegatingTracingBuilder(compBuilder);
sut.SpecimenCreated += (sender, e) => spy.Add(e.Specimen);
var container = new SpecimenContext(sut);
// Exercise system
sut.Create(requestedObject, container);
// Verify outcome
Assert.Equal(2, spy.Count);
Assert.Equal(createdSpecimen, spy[0]);
Assert.Equal(createdSpecimen, spy[1]);
// Teardown
}
public void SutIsSpecimenBuilder()
{
// Fixture setup
// Exercise system
var sut = new DelegatingTracingBuilder();
// Verify outcome
Assert.IsAssignableFrom<ISpecimenBuilder>(sut);
// Teardown
}
public void InitializeWithNullWriterWillThrow()
{
// Fixture setup
var dummyBuilder = new DelegatingTracingBuilder();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
new TraceWriter(null, dummyBuilder));
// Teardown
}
public void InitializeWithNullWriterWillThrow()
{
// Fixture setup
var dummyBuilder = new DelegatingTracingBuilder();
// Exercise system and verify outcome
Assert.Throws <ArgumentNullException>(() =>
new TraceWriter(null, dummyBuilder));
// Teardown
}
public void SutIsSpecimenBuilder()
{
// Fixture setup
// Exercise system
var sut = new DelegatingTracingBuilder();
// Verify outcome
Assert.IsAssignableFrom <ISpecimenBuilder>(sut);
// Teardown
}
public void SpecimenRequestsWillInitiallyBeEmpty()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system and verify outcome
Assert.Empty(sut.SpecimenRequests);
// Teardown
}
public void AssignNullFilterWillThrow()
{
// Fixture setup
var sut = new DelegatingTracingBuilder();
// Exercise system and verify outcome
Assert.Throws <ArgumentNullException>(() =>
sut.Filter = null);
// Teardown
}
public void TracerIsCorrect()
{
// Fixture setup
var expected = new DelegatingTracingBuilder();
// Exercise system
var sut = new TerminatingWithPathSpecimenBuilder(expected);
// Verify outcome
Assert.Same(expected, sut.Tracer);
// Teardown
}
public void SutIsSpecimenBuilderNode()
{
// Fixture setup
var dummyWriter = TextWriter.Null;
var dummyBuilder = new DelegatingTracingBuilder();
// Exercise system
var sut = new TraceWriter(dummyWriter, dummyBuilder);
// Verify outcome
Assert.IsAssignableFrom<ISpecimenBuilderNode>(sut);
// Teardown
}
public void TracerIsCorrect()
{
// Fixture setup
var expected = new DelegatingTracingBuilder();
// Exercise system
var sut = new TerminatingWithPathSpecimenBuilder(expected);
// Verify outcome
Assert.Same(expected, sut.Tracer);
// Teardown
}
public void TracerIsCorrect()
{
// Fixture setup
var dummyWriter = TextWriter.Null;
var expectedTracer = new DelegatingTracingBuilder();
var sut = new TraceWriter(dummyWriter, expectedTracer);
// Exercise system
TracingBuilder result = sut.Tracer;
// Verify outcome
Assert.Equal(expectedTracer, result);
// Teardown
}
public void SutIsSpecimenBuilderNode()
{
// Fixture setup
var dummyWriter = TextWriter.Null;
var dummyBuilder = new DelegatingTracingBuilder();
// Exercise system
var sut = new TraceWriter(dummyWriter, dummyBuilder);
// Verify outcome
Assert.IsAssignableFrom <ISpecimenBuilderNode>(sut);
// Teardown
}
public void SutYieldsCorrectSequence()
{
// Fixture setup
var expected = new DelegatingSpecimenBuilder();
var tracer = new DelegatingTracingBuilder(expected);
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
// Verify outcome
Assert.Equal(expected, sut.Single());
Assert.Equal(expected, sut.Cast<object>().Single());
// Teardown
}
public void SutYieldsCorrectSequence()
{
// Fixture setup
var expected = new DelegatingSpecimenBuilder();
var tracer = new DelegatingTracingBuilder(expected);
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
// Verify outcome
Assert.Equal(expected, sut.Single());
Assert.Equal(expected, sut.Cast <object>().Single());
// Teardown
}
public void TracerIsCorrect()
{
// Fixture setup
var dummyWriter = TextWriter.Null;
var expectedTracer = new DelegatingTracingBuilder();
var sut = new TraceWriter(dummyWriter, expectedTracer);
// Exercise system
TracingBuilder result = sut.Tracer;
// Verify outcome
Assert.Equal(expectedTracer, result);
// Teardown
}
public void SutYieldsCorrectSequence()
{
// Fixture setup
var dummyWriter = TextWriter.Null;
var expected = new DelegatingSpecimenBuilder();
var tracer = new DelegatingTracingBuilder(expected);
var sut = new TraceWriter(dummyWriter, tracer);
// Exercise system
// Verify outcome
Assert.Equal(expected, sut.Single());
Assert.Equal(expected, ((System.Collections.IEnumerable)sut).Cast<object>().Single());
// Teardown
}
public void ComposeSingleItemReturnsCorrectResult()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
var expected = new DelegatingSpecimenBuilder();
var actual = sut.Compose(new[] { expected });
// Verify outcome
var tw = Assert.IsAssignableFrom <TerminatingWithPathSpecimenBuilder>(actual);
Assert.Equal(expected, tw.Tracer.Builder);
// Teardown
}
public void SpecimenRequestsRaisedFromTracerAreRecordedCorrectly()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var specimens = new[] { new object(), new object(), new object() };
var requestEvents = specimens.Select((o, i) => new RequestTraceEventArgs(o, i)).ToList();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
requestEvents.ForEach(tracer.RaiseSpecimenRequested);
// Verify outcome
Assert.True(specimens.SequenceEqual(sut.SpecimenRequests));
// Teardown
}
public void SutYieldsCorrectSequence()
{
// Fixture setup
var dummyWriter = TextWriter.Null;
var expected = new DelegatingSpecimenBuilder();
var tracer = new DelegatingTracingBuilder(expected);
var sut = new TraceWriter(dummyWriter, tracer);
// Exercise system
// Verify outcome
Assert.Equal(expected, sut.Single());
Assert.Equal(expected, ((System.Collections.IEnumerable)sut).Cast <object>().Single());
// Teardown
}
public void CreateWillCorrectlyRaiseSpecimenRequested()
{
// Fixture setup
var verified = false;
var request = new object();
var sut = new DelegatingTracingBuilder();
sut.SpecimenRequested += (sender, e) => verified = e.Request == request && e.Depth == 1;
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(request, dummyContainer);
// Verify outcome
Assert.True(verified, "Event raised");
// Teardown
}
public void FilterIsProperWritableProperty()
{
// Fixture setup
var sut = new DelegatingTracingBuilder();
IRequestSpecification expectedFilter = new DelegatingRequestSpecification();
// Exercise system
sut.Filter = expectedFilter;
IRequestSpecification result = sut.Filter;
// Verify outcome
Assert.Equal(expectedFilter, result);
// Teardown
}
public void CreateWillPassThroughToDecoratedBuilder()
{
// Fixture setup
object expectedSpecimen = Guid.NewGuid();
var decoratedBuilder = new DelegatingSpecimenBuilder { OnCreate = (r, c) => r };
var sut = new DelegatingTracingBuilder(decoratedBuilder);
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
object result = sut.Create(expectedSpecimen, dummyContainer);
// Verify outcome
Assert.Equal(expectedSpecimen, result);
// Teardown
}
public void CreateWillCorrectlyRaiseSpecimenRequested()
{
// Fixture setup
var verified = false;
var request = new object();
var sut = new DelegatingTracingBuilder();
sut.SpecimenRequested += (sender, e) => verified = e.Request == request && e.Depth == 1;
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(request, dummyContainer);
// Verify outcome
Assert.True(verified, "Event raised");
// Teardown
}
public void CreateWillTrackCreatedSpecimen()
{
// Fixture setup
object tracked = null;
object createdSpecimen = Guid.NewGuid();
var container = new DelegatingSpecimenContext {
OnResolve = r => createdSpecimen
};
var sut = new DelegatingTracingBuilder();
// Exercise system
object res = sut.Create(new object(), container);
// Verify outcome
Assert.Equal(res, tracked);
// Teardown
}
public void SpecimenRequestsAreEmptyWhenAllThatWereRequestedAreCreated()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var specimens = new[] { new object(), new object(), new object() };
var requestEvents = specimens.Select(
(o, i) => new RequestTraceEventArgs(o, i)).ToList();
var createdEvents = specimens.Reverse().Select(
(o, i) => new SpecimenCreatedEventArgs(o, null, i)).ToList();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
requestEvents.ForEach(tracer.RaiseSpecimenRequested);
createdEvents.ForEach(tracer.RaiseSpecimenCreated);
// Verify outcome
Assert.Empty(sut.SpecimenRequests);
// Teardown
}
public void CreateWillNotTrackFilteredRequest()
{
// Fixture setup
object tracked = null;
object requestedObject = new object();
var sut = new DelegatingTracingBuilder();
sut.Filter = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => false
};
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(requestedObject, dummyContainer);
// Verify outcome
Assert.Null(tracked);
// Teardown
}
public void CreateWillPassThroughToDecoratedBuilder()
{
// Fixture setup
object expectedSpecimen = Guid.NewGuid();
var decoratedBuilder = new DelegatingSpecimenBuilder {
OnCreate = (r, c) => r
};
var sut = new DelegatingTracingBuilder(decoratedBuilder);
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
object result = sut.Create(expectedSpecimen, dummyContainer);
// Verify outcome
Assert.Equal(expectedSpecimen, result);
// Teardown
}
public void SpecimenRequestedWillWriteCorrectMessageToWriter()
{
// Fixture setup
var writer = new StringWriter();
var builder = new DelegatingTracingBuilder();
var depth = new Random().Next(1, 10);
var request = new object();
var sut = new TraceWriter(writer, builder);
// Exercise system
builder.RaiseSpecimenRequested(new RequestTraceEventArgs(request, depth));
// Verify outcome
var expected = new string(' ', depth * 2) + "Requested: " + request + Environment.NewLine;
Assert.Equal(expected, writer.ToString());
// Teardown
}
public void ComposeReturnsCorrectResult()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
var expectedBuilders = new[]
{
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder()
};
var actual = sut.Compose(expectedBuilders);
// Verify outcome
var tw = Assert.IsAssignableFrom<TerminatingWithPathSpecimenBuilder>(actual);
var composite = Assert.IsAssignableFrom<CompositeSpecimenBuilder>(tw.Tracer.Builder);
Assert.True(expectedBuilders.SequenceEqual(composite));
// Teardown
}
public void CreateThrowsWhenNoSpecimenIsReturnedFromTheDecoratedGraph()
{
// Fixture setup
var requests = new[] { new object(), new object(), new object() };
var tracer = new DelegatingTracingBuilder(new DelegatingSpecimenBuilder
{
// Returns NoSpecimen only on the last specimen request
OnCreate = (r, c) => (r == requests[2]) ? new NoSpecimen() : new object(),
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var container = new SpecimenContext(sut);
// Exercise system and verify outcome
Assert.DoesNotThrow(() => sut.Create(requests[0], container));
Assert.DoesNotThrow(() => sut.Create(requests[1], container));
Assert.Throws <ObjectCreationException>(() => sut.Create(requests[2], container));
// Teardown
}
public void ComposeReturnsCorrectResult()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
var expectedBuilders = new[]
{
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder()
};
var actual = sut.Compose(expectedBuilders);
// Verify outcome
var tw = Assert.IsAssignableFrom <TerminatingWithPathSpecimenBuilder>(actual);
var composite = Assert.IsAssignableFrom <CompositeSpecimenBuilder>(tw.Tracer.Builder);
Assert.True(expectedBuilders.SequenceEqual(composite));
// Teardown
}
public void CreateWillNotRaiseSpecimeCreatedForFilteredRequest()
{
// Fixture setup
var eventRaised = false;
var request = new object();
var sut = new DelegatingTracingBuilder();
sut.SpecimenCreated += (sender, e) => eventRaised = true;
sut.Filter = new DelegatingRequestSpecification {
OnIsSatisfiedBy = r => false
};
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(request, dummyContainer);
// Verify outcome
Assert.False(eventRaised, "Event raised");
// Teardown
}
public void SpecimenRequestsAreEmptyAfterThrowing()
{
// Fixture setup
var requests = new[] { new object(), new object(), new object() };
var requestQueue = new Queue <object>(requests);
var firstRequest = requestQueue.Dequeue();
var tracer = new DelegatingTracingBuilder(new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => requestQueue.Count > 0
? c.Resolve(requestQueue.Dequeue())
: new NoSpecimen()
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var container = new SpecimenContext(sut);
// Exercise system and verify outcome
Assert.Throws <ObjectCreationException>(() =>
sut.Create(firstRequest, container));
Assert.Empty(sut.SpecimenRequests);
}
public void CreateThrowsWithAutoMockingHintOnInterfaceOrAbcRequest(
object request,
string requestType)
{
var tracer =
new DelegatingTracingBuilder(
new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => new NoSpecimen(request)
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var context = new SpecimenContext(sut);
var e = Assert.Throws<ObjectCreationException>(
() => sut.Create(request, context));
Assert.Contains(
requestType,
e.Message,
StringComparison.CurrentCultureIgnoreCase);
Assert.Contains(
"auto-mocking",
e.Message,
StringComparison.CurrentCultureIgnoreCase);
Assert.Contains(
"request path",
e.Message,
StringComparison.CurrentCultureIgnoreCase);
}
public void CreateOnMultipleThreadsConcurrentlyWorks()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder(new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => 99
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var dummyContext = new DelegatingSpecimenContext()
{
OnResolve = (r) => 99
};
// Exercise system
int[] specimens = Enumerable.Range(0, 1000)
.AsParallel()
.WithDegreeOfParallelism(8)
.WithExecutionMode(ParallelExecutionMode.ForceParallelism)
.Select(x => (int)sut.Create(typeof(int), dummyContext))
.ToArray();
// Verify outcome
Assert.Equal(1000, specimens.Length);
Assert.True(specimens.All(s => s == 99));
// Teardown
}
public void ComposeSingleItemReturnsCorrectResult()
{
// Fixture setup
var writer = TextWriter.Null;
var tracer = new DelegatingTracingBuilder();
var sut = new TraceWriter(writer, tracer);
// Exercise system
var expected = new DelegatingSpecimenBuilder();
var actual = sut.Compose(new[] { expected });
// Verify outcome
var tw = Assert.IsAssignableFrom<TraceWriter>(actual);
Assert.Equal(expected, tw.Tracer.Builder);
// Teardown
}
public void IgnoredTypeWillNotTrackCreatedSpecimen()
{
// Fixture setup
object tracked = null;
object requestedObject = Guid.NewGuid();
var decoratedBuilder = new DelegatingSpecimenBuilder { OnCreate = (r, c) => r };
var sut = new DelegatingTracingBuilder(decoratedBuilder);
var ignoredTypes = new List<Type> { typeof(Guid) };
sut.Filter = new DelegatingRequestSpecification { OnIsSatisfiedBy = r => !ignoredTypes.Contains(r.GetType()) };
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
object res = sut.Create(requestedObject, dummyContainer);
// Verify outcome
Assert.Null(tracked);
// Teardown
}
public void SpecimenRequestsWillInitiallyBeEmpty()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system and verify outcome
Assert.Empty(sut.SpecimenRequests);
// Teardown
}
public void SpecimenRequestsAreEmptyWhenAllThatWereRequestedAreCreated()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var specimens = new[] { new object(), new object(), new object() };
var requestEvents = specimens.Select(
(o, i) => new RequestTraceEventArgs(o, i)).ToList();
var createdEvents = specimens.Reverse().Select(
(o, i) => new SpecimenCreatedEventArgs(o, null, i)).ToList();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
requestEvents.ForEach(tracer.RaiseSpecimenRequested);
createdEvents.ForEach(tracer.RaiseSpecimenCreated);
// Verify outcome
Assert.Empty(sut.SpecimenRequests);
// Teardown
}
public void AssignNullFilterWillThrow()
{
// Fixture setup
var sut = new DelegatingTracingBuilder();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
sut.Filter = null);
// Teardown
}
public void FilterIsProperWritableProperty()
{
// Fixture setup
var sut = new DelegatingTracingBuilder();
IRequestSpecification expectedFilter = new DelegatingRequestSpecification();
// Exercise system
sut.Filter = expectedFilter;
IRequestSpecification result = sut.Filter;
// Verify outcome
Assert.Equal(expectedFilter, result);
// Teardown
}
public void CreateWillNotRaiseSpecimenCreatedForFilteredRequest()
{
// Fixture setup
var eventRaised = false;
var request = new object();
var sut = new DelegatingTracingBuilder();
sut.SpecimenCreated += (sender, e) => eventRaised = true;
sut.Filter = new DelegatingRequestSpecification { OnIsSatisfiedBy = r => false };
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(request, dummyContainer);
// Verify outcome
Assert.False(eventRaised, "Event raised");
// Teardown
}
public void CreateWillNotTrackFilteredSpecimen()
{
// Fixture setup
object tracked = null;
object requestedObject = new object();
var decoratedBuilder = new DelegatingSpecimenBuilder { OnCreate = (r, c) => r };
var sut = new DelegatingTracingBuilder(decoratedBuilder);
sut.Filter = new DelegatingRequestSpecification { OnIsSatisfiedBy = r => false };
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(requestedObject, dummyContainer);
// Verify outcome
Assert.Null(tracked);
// Teardown
}
public void DepthWillBeResetAfterDecoratedBuilderThrows()
{
// Fixture setup
int createCallNumber = 0;
int lastRequestDepth = 0;
var firstRequest = Guid.NewGuid();
var secondRequest = Guid.NewGuid();
var dummyContainer = new DelegatingSpecimenContext();
var builder = new DelegatingSpecimenBuilder { OnCreate = (r, c) =>
{
createCallNumber++;
if (createCallNumber == 1) throw new PrivateException();
return c.Resolve(r);
}};
var sut = new DelegatingTracingBuilder(builder);
sut.SpecimenRequested += (sender, e) => lastRequestDepth = e.Depth;
// Exercise system and verify outcome
Assert.Throws<PrivateException>(() => sut.Create(firstRequest, dummyContainer));
Assert.Equal(1, lastRequestDepth);
sut.Create(secondRequest, dummyContainer);
Assert.Equal(1, lastRequestDepth);
}
public void CreateThrowsWhenNoSpecimenIsReturnedFromTheDecoratedGraph()
{
// Fixture setup
var requests = new[] {new object(), new object(), new object()};
var tracer = new DelegatingTracingBuilder(new DelegatingSpecimenBuilder
{
// Returns NoSpecimen only on the last specimen request
OnCreate = (r, c) => (r == requests[2]) ? new NoSpecimen() : new object(),
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var container = new SpecimenContext(sut);
// Exercise system and verify outcome
Assert.DoesNotThrow(() => sut.Create(requests[0], container));
Assert.DoesNotThrow(() => sut.Create(requests[1], container));
Assert.Throws<ObjectCreationException>(() => sut.Create(requests[2], container));
// Teardown
}
public void CreateWillTrackCreatedSpecimensComposite()
{
// Fixture setup
object requestedObject = "The request";
object subRequest = "Some sub request";
object createdSpecimen = Guid.NewGuid();
var spy = new List<object>();
var builder2 = new DelegatingSpecimenBuilder { OnCreate = (r, c) => r == requestedObject ? c.Resolve(subRequest) : new NoSpecimen() };
var builder3 = new DelegatingSpecimenBuilder { OnCreate = (r, c) => r == subRequest ? createdSpecimen : new NoSpecimen() };
var compBuilder = new CompositeSpecimenBuilder(builder2, builder3);
var sut = new DelegatingTracingBuilder(compBuilder);
sut.SpecimenCreated += (sender, e) => spy.Add(e.Specimen);
var container = new SpecimenContext(sut);
// Exercise system
sut.Create(requestedObject, container);
// Verify outcome
Assert.Equal(2, spy.Count);
Assert.Equal(createdSpecimen, spy[0]);
Assert.Equal(createdSpecimen, spy[1]);
// Teardown
}
public void SpecimenRequestsAreEmptyAfterThrowing()
{
// Fixture setup
var requests = new[] {new object(), new object(), new object() };
var requestQueue = new Queue<object>(requests);
var firstRequest = requestQueue.Dequeue();
var tracer = new DelegatingTracingBuilder(new DelegatingSpecimenBuilder
{
OnCreate = (r, c) => requestQueue.Count > 0
? c.Resolve(requestQueue.Dequeue())
: new NoSpecimen()
});
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
var container = new SpecimenContext(sut);
// Exercise system and verify outcome
Assert.Throws<ObjectCreationException>(() =>
sut.Create(firstRequest, container));
Assert.Empty(sut.SpecimenRequests);
}
public void CreateWillTrackCreatedSpecimen()
{
// Fixture setup
object tracked = null;
object createdSpecimen = Guid.NewGuid();
var container = new DelegatingSpecimenContext { OnResolve = r => createdSpecimen };
var sut = new DelegatingTracingBuilder();
// Exercise system
object res = sut.Create(new object(), container);
// Verify outcome
Assert.Equal(res, tracked);
// Teardown
}
public void SpecimenRequestsRaisedFromTracerAreRecordedCorrectly()
{
// Fixture setup
var tracer = new DelegatingTracingBuilder();
var specimens = new[] { new object(), new object(), new object() };
var requestEvents = specimens.Select((o, i) => new RequestTraceEventArgs(o, i)).ToList();
var sut = new TerminatingWithPathSpecimenBuilder(tracer);
// Exercise system
requestEvents.ForEach(tracer.RaiseSpecimenRequested);
// Verify outcome
Assert.True(specimens.SequenceEqual(sut.SpecimenRequests));
// Teardown
}
public void SpecimenCreatedWillWriteCorrectMessageToWriter()
{
// Fixture setup
var writer = new StringWriter();
var builder = new DelegatingTracingBuilder();
var depth = new Random().Next(1, 10);
var specimen = new object();
var sut = new TraceWriter(writer, builder);
// Exercise system
var dummyRequest = new object();
builder.RaiseSpecimenCreated(new SpecimenCreatedEventArgs(dummyRequest, specimen, depth));
// Verify outcome
var expected = new string(' ', depth * 2) + "Created: " + specimen + Environment.NewLine;
Assert.Equal(expected, writer.ToString());
// Teardown
}
public void CreateWillNotRaiseSpecimenCreatedForIgnoredType()
{
// Fixture setup
var eventRaised = false;
var request = Guid.NewGuid();
var sut = new DelegatingTracingBuilder();
sut.SpecimenCreated += (sender, e) => eventRaised = true;
var ignoredTypes = new List<Type> { typeof(Guid) };
sut.Filter = new DelegatingRequestSpecification { OnIsSatisfiedBy = r => !ignoredTypes.Contains(r.GetType()) };
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(request, dummyContainer);
// Verify outcome
Assert.False(eventRaised, "Event raised");
// Teardown
}
public void CreateWillCorrectlyRaiseSpecimenRequestedInCompositeRequest()
{
// Fixture setup
object requestedObject = "The request";
object subRequest = "Some sub request";
var spy = new List<RequestTraceEventArgs>();
var builder2 = new DelegatingSpecimenBuilder { OnCreate = (r, c) => r == requestedObject ? c.Resolve(subRequest) : new NoSpecimen() };
var builder3 = new DelegatingSpecimenBuilder { OnCreate = (r, c) => r == subRequest ? new object() : new NoSpecimen() };
var compBuilder = new CompositeSpecimenBuilder(builder2, builder3);
var sut = new DelegatingTracingBuilder(compBuilder);
sut.SpecimenRequested += (sender, e) => spy.Add(e);
var container = new SpecimenContext(sut);
// Exercise system
sut.Create(requestedObject, container);
// Verify outcome
Assert.Equal(2, spy.Count);
Assert.Equal(subRequest, spy[1].Request);
Assert.Equal(2, spy[1].Depth);
// Teardown
}