internal static void Print(
IReadOnlyList <object?[]> presentationalValues,
int discards,
Action <string>?stdout)
{
stdout ??= Console.WriteLine;
stdout($"Sampled {presentationalValues.Count} values ({discards} discarded):");
stdout("");
for (var i = 0; i < presentationalValues.Count; i++)
{
var presentationalValue = presentationalValues[i];
var lines = ExampleRenderer.Render(presentationalValue).ToList();
if (lines.Count == 1)
{
stdout($"Sample[{i}]: {lines.Single()}");
}
else
{
foreach (var line in FormatMultiaryLines(i, lines))
{
stdout(line);
}
stdout("");
}
}
}
public IGen <Test> ItRendersDateUsingTheCurrentCulture() =>
from value in Gen.DateTime()
select Property.ForThese(() =>
{
var rendering = ExampleRenderer.Render(new object[] { value }).Single();
rendering.Should().Be(value.ToString(CultureInfo.CurrentCulture));
});
public IGen <Test> ItRendersOneLine() =>
from value in Gen.Choose(DomainGen.Any(), DomainGen.AnyList())
select Property.ForThese(() =>
{
var rendering = ExampleRenderer.Render(new object[] { value });
rendering.Should().ContainSingle();
});
public void ItCanHandleCircularReferences()
{
// Xunit theories cannot, apparently - so this needs to be its own Fact.
var obj = new CircularlyReferencingRecord();
var rendering = ExampleRenderer.Render(new object[] { obj }).Single();
rendering.Should().Be("{ Self = <Circular reference> }");
}
public IGen <Test> ItRendersLikeUnary() =>
from values in DomainGen.AnyList().WithCountGreaterThan(1)
select Property.ForThese(() =>
{
var unaryRenderings = values.SelectMany((value, index) => ExampleRenderer
.Render(new object[] { value })
.Select(line => $"[{index}] = {line}"));
var multiaryRendering = ExampleRenderer.Render(values.ToArray());
multiaryRendering.Should().BeEquivalentTo(unaryRenderings);
});
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.Run(async(context) =>
{
var output = ExampleRenderer.Index(o => FF.PropertiesFor(o).Render().ToString());
await context.Response.WriteAsync(output);
});
}
public void ItRendersOneLineIndicatingNoValue()
{
var rendering = ExampleRenderer.Render(new object[] { });
rendering.Should().ContainSingle().Subject.Should().Be("(no value)");
}
