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 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 CreateWillReturnCorrectResult()
{
// Fixture setup
var expectedSpecimen = new object();
var stubBuilder = new TracingBuilder(new DelegatingSpecimenBuilder { OnCreate = (r, c) => expectedSpecimen });
var dummyWriter = TextWriter.Null;
var sut = new TraceWriter(dummyWriter, stubBuilder);
// Exercise system
var dummyRequest = new object();
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(dummyRequest, dummyContainer);
// Verify outcome
Assert.Equal(expectedSpecimen, result);
// Teardown
}
private static SpecimenContext CreateContainer()
{
var builder = Scenario.CreateAutoPropertyBuilder();
var tracer = new TraceWriter(TestConsole.Out, new TracingBuilder(builder));
return new SpecimenContext(tracer);
}
public void ComposeReturnsCorrectResult()
{
// Fixture setup
var writer = TextWriter.Null;
var tracer = new DelegatingTracingBuilder();
var sut = new TraceWriter(writer, tracer);
// Exercise system
var expectedBuilders = new []
{
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder(),
new DelegatingSpecimenBuilder()
};
var actual = sut.Compose(expectedBuilders);
// Verify outcome
var tw = Assert.IsAssignableFrom<TraceWriter>(actual);
var composite = Assert.IsAssignableFrom<CompositeSpecimenBuilder>(tw.Tracer.Builder);
Assert.True(expectedBuilders.SequenceEqual(composite));
// Teardown
}
public void SpecimenFormatterIsProperWritableProperty()
{
// Fixture setup
Action<TextWriter, object, int> expected = (tw, r, i) => { };
var sut = new TraceWriter(TextWriter.Null, new DelegatingTracingBuilder());
// Exercise system
sut.TraceSpecimenFormatter = expected;
Action<TextWriter, object, int> result = sut.TraceSpecimenFormatter;
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
public void AssignNullSpecimenFormatterWillThrow()
{
// Fixture setup
var sut = new TraceWriter(TextWriter.Null, new DelegatingTracingBuilder());
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
sut.TraceSpecimenFormatter = null);
// Teardown
}
public void SpecimenFormatterIsGivenCorrectTextWriter()
{
// Fixture setup
var expectedWriter = new StringWriter();
var sut = new TraceWriter(expectedWriter, new DelegatingTracingBuilder());
bool verified = false;
sut.TraceSpecimenFormatter = (tw, r, i) => verified = tw == expectedWriter;
// Exercise system
var dummyRequest = new object();
var dummyContainer = new DelegatingSpecimenContext();
sut.Create(dummyRequest, dummyContainer);
// Verify outcome
Assert.True(verified);
// 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 CreateWillInvokeDecoratedBuilderWithCorrectParameters()
{
// Fixture setup
var expectedRequest = new object();
var expectedContainer = new DelegatingSpecimenContext();
var verified = false;
var mockBuilder = new TracingBuilder(new DelegatingSpecimenBuilder { OnCreate = (r, c) => verified = expectedRequest == r && expectedContainer == c });
var dummyWriter = TextWriter.Null;
var sut = new TraceWriter(dummyWriter, mockBuilder);
// Exercise system
sut.Create(expectedRequest, expectedContainer);
// Verify outcome
Assert.True(verified, "Mock verified");
// 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
}