public void FractalEventualSuccess()
{
var plan = ListOf(
false, // subdivide into 4 groups of 16k
false, // subdivide into 4 groups of 4k
true, // 4k successful
true, // 4k successful
true, // 4k successful
true, // 4k successful
true, // 16k successful
false, // subdivide into 4 groups of 4k
true, // 4k successful
true, // 4k successful
true, // 4k successful
true, // 4k successful
true); // 16k successful
var commits = ListOf <int>();
var(count, error) = Retry.Fractal(
2,
4,
1.ToIncluding(65536),
Attempt <int>(plan, commits),
e => true);
Assert.AreEqual(65536, count);
Assert.AreEqual(65536, commits.Sum());
Assert.IsTrue(commits.SequenceEqual(SeqOf(4096, 4096, 4096, 4096, 16384, 4096, 4096, 4096, 4096, 16384)));
Assert.IsNull(error);
}
public void FractalPartialSuccess()
{
var plan = ListOf(
false, // subdivide into 4 groups of 16k
false, // subdivide into 4 groups of 4k
true, // 4k successful
true, // 4k successful
true, // 4k successful
true, // 4k successful
true, // 16k successful
false, // subdivide into 4 groups of 4k
true, // 4k successful
false); // final failure
var commits = ListOf <int>();
var(count, error) = Retry.Fractal(
2,
4,
1.ToIncluding(65536),
Attempt <int>(plan, commits),
e => true);
Assert.AreEqual(36864, count);
Assert.AreEqual(36864, commits.Sum());
Assert.IsTrue(commits.SequenceEqual(SeqOf(4096, 4096, 4096, 4096, 16384, 4096)));
Assert.IsNotNull(error);
Assert.AreEqual(plan.Count.ToString(), error.Message);
}
public void FractalImmediateSuccess()
{
var plan = ListOf(true); // whole batch succeeds
var commits = ListOf <int>();
var(count, error) = Retry.Fractal(
2,
4,
1.ToIncluding(65536),
Attempt <int>(plan, commits),
e => true);
Assert.AreEqual(65536, count);
Assert.AreEqual(65536, commits.Sum());
Assert.AreEqual(1, commits.Count);
Assert.IsNull(error);
}
public void FractalCompleteFailure()
{
var plan = ListOf(
false, // subdivide into 4 groups of 16k
false, // subdivide into 4 groups of 4k
false); // final failure
var commits = ListOf <int>();
var(count, error) = Retry.Fractal(
2,
4,
1.ToIncluding(65536),
Attempt <int>(plan, commits),
e => true);
Assert.AreEqual(0, count);
Assert.AreEqual(0, commits.Sum());
Assert.IsNotNull(error);
Assert.AreEqual(plan.Count.ToString(), error.Message);
}