public void EmptyUpgradeListTest()
{
// All these means nothing to upgrade
var chain = new MigrationChain(Enumerable.Empty <IUpgradeLink>());
chain.Validate();
var path = chain.GetUpgradePath(null);
Assert.IsNotNull(path);
Assert.AreEqual(0, path.Count());
Assert.IsNull(chain.Target);
}
public void ConsistentUpgradeWithNullListTest([Values(null, "0.0", "0.1", "0.2", "0.3", "0.4", "1.0")] string current)
{
var currentVer = current == null ? null : Version.Parse(current);
var chain = new MigrationChain(new List <IUpgradeLink>
{
new UpgradeStub(null, "0.0"),
new UpgradeStub("0.0", "0.1"),
new UpgradeStub("0.1", "0.2"),
new UpgradeStub("0.2", "0.3"),
});
chain.Validate();
// All these means nothing to upgrade
var path = chain.GetUpgradePath(currentVer);
switch (current)
{
case null:
Assert.AreEqual(4, path.Count());
break;
case "0.0":
Assert.AreEqual(3, path.Count());
break;
case "0.1":
Assert.AreEqual(2, path.Count());
break;
case "0.2":
Assert.AreEqual(1, path.Count());
break;
case "0.3":
Assert.AreEqual(0, path.Count());
break;
case "0.4":
Assert.AreEqual(0, path.Count());
break;
case "1.0":
Assert.AreEqual(0, path.Count());
break;
}
}