public void EnumerateWhenOnlyGenesisAndEschatonEnumeratesTwiceOnly()
{
var universeEventColl = new[]
{
A.Fake <IUniverseEvent>(),
new UniverseEvent(UniverseStateEvent.Eschaton, DateTime.UtcNow, new object())
};
A.CallTo(
() => this.dataManifestInterpreter.PlayForward(A <TimeSpan> .Ignored))
.Returns(Task.FromResult((IUniverse) new Universe(universeEventColl)));
var lazyCollection = new LazyTransientUniverse(this.dataManifestInterpreter);
var tracker = 2;
foreach (var _ in lazyCollection)
{
tracker--;
}
if (tracker != 0)
{
Assert.Fail("Enumerated over an unexpected number of items");
}
else
{
Assert.True(true);
}
}
public void EnumerateWhenEmptyUniverseReturnsEmptyEnumeration()
{
A.CallTo(
() => this.dataManifestInterpreter.PlayForward(A <TimeSpan> .Ignored))
.Returns(Task.FromResult((IUniverse) new Universe(null)));
var lazyCollection = new LazyTransientUniverse(this.dataManifestInterpreter);
foreach (var _ in lazyCollection)
{
Assert.Fail("Should of been empty collection and not able to access enumeration");
}
Assert.True(true);
}
public void EnumerateWhenSevenEventsOverThreeFetchesEnumeratesSevenOnly()
{
var universeEventColl1 = new[] { A.Fake <IUniverseEvent>(), A.Fake <IUniverseEvent>() };
var universeEventColl2 = new[]
{
A.Fake <IUniverseEvent>(), A.Fake <IUniverseEvent>(),
A.Fake <IUniverseEvent>()
};
var universeEventColl3 = new[]
{
A.Fake <IUniverseEvent>(),
new UniverseEvent(UniverseStateEvent.Eschaton, DateTime.UtcNow, new object())
};
var combinedUniverse = universeEventColl1.Concat(universeEventColl2).Concat(universeEventColl3);
A.CallTo(
() => this.dataManifestInterpreter.PlayForward(
A <TimeSpan> .Ignored)).
Returns(Task.FromResult((IUniverse) new Universe(combinedUniverse)));
var lazyCollection = new LazyTransientUniverse(this.dataManifestInterpreter);
var tracker = 7;
foreach (var _ in lazyCollection)
{
tracker--;
}
if (tracker != 0)
{
Assert.Fail("Enumerated over an unexpected number of items");
}
else
{
Assert.True(true);
}
}
