public void ChainOrderTest()
{
for (int i = 0; i < 10; i++) //To shuffle list a few times
{
var chain = new MigrationChain(new List <IUpgradeLink>
{
new UpgradeStub("0.0", "0.1"),
new UpgradeStub("0.1", "0.2"),
new UpgradeStub("0.2", "0.3"),
new UpgradeStub("0.2", "0.4"),
new UpgradeStub("0.0", "0.6"),
new UpgradeStub("0.3", "1.6.8"),
}.Shuffle());
var res = chain.GetUpgradePath(new Version(0, 0)).ToList();
Assert.AreEqual(new Version(0, 0), res[0].MinFrom);
Assert.AreEqual(new Version(0, 1), res[0].UpgradeTo);
Assert.AreEqual(new Version(0, 1), res[1].MinFrom);
Assert.AreEqual(new Version(0, 2), res[1].UpgradeTo);
Assert.AreEqual(new Version(0, 2), res[2].MinFrom);
Assert.AreEqual(new Version(0, 3), res[2].UpgradeTo);
Assert.AreEqual(new Version(0, 2), res[3].MinFrom);
Assert.AreEqual(new Version(0, 4), res[3].UpgradeTo);
Assert.AreEqual(new Version(0, 0), res[4].MinFrom);
Assert.AreEqual(new Version(0, 6), res[4].UpgradeTo);
Assert.AreEqual(new Version(0, 3), res[5].MinFrom);
Assert.AreEqual(new Version(1, 6, 8), res[5].UpgradeTo);
}
}
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;
}
}