public void PassingTestWhereItWorksProperlyFluent()
{
Spec
.For(GenExpr, e => e.Rewrite().Eval() == e.Eval())
.Shrink(ShrinkExpr)
.Check(Config2.ToConfiguration());
}
private static void CheckPriceOfBooksSpec(Gen <string[]> gen, Func <string[], decimal> expectedPriceFunc)
{
Spec
.For(gen, titles => CheckPriceOfBooks(titles, expectedPriceFunc(titles)))
.Shrink(DontShrink <string[]>())
.QuickCheckThrowOnFailure();
}
public void FalsifiableTestToDemonstrateShrinkingFluent()
{
Spec
.For(GenExpr, e => e.Rewrite(true).Eval() == e.Eval())
.Shrink(ShrinkExpr)
.Check(Config2.ToConfiguration());
}
public Property Property(DontShrink <IList <int> > dsxsParam)
{
var generator = Any.Value(dsxsParam).Select(dsxs => dsxs.Item);
Func <IList <int>, bool> assertion = xs =>
xs.Reverse().Reverse().SequenceEqual(xs);
return(Spec.For(generator, assertion).Build());
}
public Property PropertyFluent(int n)
{
return(Spec
.For(Any.Value(n), i => n + n == 2 * n)
.Classify(x => x % 2 == 0, "even")
.Classify(x => x % 2 != 0, "odd")
.Classify(x => x < 0, "neg")
.Classify(x => x >= 0, "pos")
.Classify(x => Math.Abs(x) > 50, "large")
.Build());
}
public void RunLengthEncodingTestFluent()
{
Spec
.For(GenOutput, r =>
{
var original = r.ToList();
var actual = RLE.RunLengthEnc(RLE.RunLengthDec(original));
return(actual.SequenceEqual(original));
})
.Check(Configuration);
}
public Property RunLengthEncodingPropertyFluent(IEnumerable <Tuple <int, char> > rParam)
{
return(Spec
.For(Any.Value(rParam), r =>
{
var original = r.ToList();
var actual = RLE.RunLengthEnc(RLE.RunLengthDec(original));
return actual.SequenceEqual(original);
})
.Build());
}
public void ToNumListPropertyBasedTest2()
{
Spec
.For(GenNumRangeOrderedAndNonOverlapping, tuples =>
{
var inputString = FormatInputStringFromTuples(tuples);
var expected = ExpandTuples(tuples);
var actual = inputString.ToNumList();
return(actual.SequenceEqual(expected));
})
.Check(Configuration);
}
public void And()
{
// Arrange
Drink coldWhiskey = Drink.ColdWhiskey();
Drink appleJuice = Drink.AppleJuice();
ISpecification <Drink> whiskeySpec = Spec.For <Drink>(d => d.Name.ToLower() == "whiskey");
ISpecification <Drink> coldSpec = Spec.For <Drink>(d => d.With.Any(a => a.ToLower() == "ice"));
// Act
var coldWhiskeySpec = whiskeySpec.And(coldSpec);
// Assert
coldWhiskeySpec.IsSatisfiedBy(coldWhiskey).Should().BeTrue();
coldWhiskeySpec.IsSatisfiedBy(appleJuice).Should().BeFalse();
}
public void AppleOrOrangeJuice()
{
// Arrange
Drink blackberryJuice = Drink.BlackberryJuice();
Drink appleJuice = Drink.AppleJuice();
Drink orangeJuice = Drink.OrangeJuice();
ISpecification <Drink> juiceSpec = Spec.For <Drink>(d => d.With.Any(w => w.ToLower().Contains("juice")));
ISpecification <Drink> appleSpec = Spec.For <Drink>(d => d.With.Any(w => w.ToLower().Contains("apple")));
ISpecification <Drink> orangeSpec = Spec.For <Drink>(d => d.With.Any(w => w.ToLower().Contains("orange")));
// Act
var appleOrOrangeJuiceSpec = juiceSpec.And(appleSpec.Or(orangeSpec));
// Assert
appleOrOrangeJuiceSpec.IsSatisfiedBy(appleJuice).Should().BeTrue();
appleOrOrangeJuiceSpec.IsSatisfiedBy(orangeJuice).Should().BeTrue();
appleOrOrangeJuiceSpec.IsSatisfiedBy(blackberryJuice).Should().BeFalse();
}
public Property InterleavePropertyFluent(IList <int> xsParam, IList <int> ysParam)
{
return(Spec
.For(Any.Value(xsParam), Any.Value(ysParam), (xs, ys) =>
{
var res = Interleaving.Interleave(xs, ys);
return xs.Count + ys.Count == res.Count();
}).Label("length")
.And((xs, ys) =>
{
var res = Interleaving.Interleave(xs, ys);
var idxs = Enumerable.Range(0, Math.Min(xs.Count, ys.Count)).ToList();
return xs.SequenceEqual(idxs.Select(idx => res[2 * idx]).Concat(res.Skip(2 * ys.Count)));
}, "zip xs")
.And((xs, ys) =>
{
var res = Interleaving.Interleave(xs, ys);
var idxs = Enumerable.Range(0, Math.Min(xs.Count, ys.Count)).ToList();
return ys.SequenceEqual(idxs.Select(idx => res[2 * idx + 1]).Concat(res.Skip(2 * xs.Count)));
}, "zip ys")
.Build());
}
public void InterleaveTestFluent()
{
Spec
.For(Any.OfType <IList <int> >(), Any.OfType <IList <int> >(), (xs, ys) =>
{
var res = Interleaving.Interleave(xs, ys);
return(xs.Count + ys.Count == res.Count());
}).Label("length")
.And((xs, ys) =>
{
var res = Interleaving.Interleave(xs, ys);
var idxs = Enumerable.Range(0, Math.Min(xs.Count, ys.Count)).ToList();
return(xs.SequenceEqual(idxs.Select(idx => res[2 * idx]).Concat(res.Skip(2 * ys.Count))));
}, "zip xs")
.And((xs, ys) =>
{
var res = Interleaving.Interleave(xs, ys);
var idxs = Enumerable.Range(0, Math.Min(xs.Count, ys.Count)).ToList();
return(ys.SequenceEqual(idxs.Select(idx => res[2 * idx + 1]).Concat(res.Skip(2 * xs.Count))));
}, "zip ys")
.Check(Configuration);
}
internal static TodoSpec ById(Guid id)
{
return(Spec.For <Todo>(t => t.Id == id));
}
public static TodoSpec ByStatus(TodoStatus status)
{
return(Spec.For <Todo>(t => t.Status == status));
}
public ProductValidator()
{
_specName = Spec.For <Product>(x => !String.IsNullOrEmpty(x.Name));
_specDate = Spec.For <Product>(x => x.EffectiveDate > DateTime.MinValue);
}
public Property PropertyFluent()
{
var g = Any.IntBetween(-2, 5);
return(Spec.For(g, n => n >= -2 && n <= 5).Build());
}
public void TestFluent()
{
var g = Any.IntBetween(-2, 5);
Spec.For(g, n => n >= -2 && n <= 5).Check(Configuration);
}
public static TodoSpec Due(DateTime when)
{
return(Spec.For <Todo>(t => t.Due == when));
}