public void ThenNextMustUpdateDependentIterators()
{
var sources = new List<TestSource>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 }
};
using (var first = new Iterator(sources.Cast<object>().ToList(), null))
using (var second = new Iterator(new List<object>{first}, null))
{
Assert.AreEqual(0, ((IList<object>)first.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)first.GetItem())[1]);
Assert.AreEqual(0, ((IList<object>)second.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)second.GetItem())[1]);
Iterator.NextAll(Iterator.DefaultScope);
Assert.AreEqual(1, ((IList<object>)first.GetItem())[0]);
Assert.AreEqual(101, ((IList<object>)first.GetItem())[1]);
Assert.AreEqual(1, ((IList<object>)second.GetItem())[0]);
Assert.AreEqual(101, ((IList<object>)second.GetItem())[1]);
}
}
public void ThenNewInstancesMustRegister()
{
Assert.AreEqual(0, Iterator.Instances.Count, "The iterator context is not clean");
using (var iterator = new Iterator(new List<object> {new TestSource()}, null))
{
Assert.AreEqual(1, Iterator.Instances.Count, "The iterator did not register");
}
}
public void ThenGetItemMustNotNext()
{
var sources = new List<TestSource>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 }
};
using (var iterator = new Iterator(sources.Cast<object>().ToList(), null))
{
//Incremented on next due to constructor
Assert.AreEqual(1, sources[0].Count);
Assert.AreEqual(101, sources[1].Count);
Assert.AreEqual(0, ((IList<object>)iterator.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)iterator.GetItem())[1]);
//Test again to make sure it doesn't pull
Assert.AreEqual(0, ((IList<object>)iterator.GetItem())[0]);
Assert.AreEqual(100, ((IList<object>)iterator.GetItem())[1]);
}
}
private Iterator CreateIterator(JToken item)
{
IEnumerable<object> sources = item["sources"].Select(Create);
string scope = (string)item["scope"];
Iterator result = new Iterator(sources.ToList(), scope);
result.DebugInfo = GetDebugInfo(item);
return result;
}
private FormatString CreateFormatString(JToken item)
{
JToken sourceItem = item["source"];
JToken formatItem = item["format"];
bool? suppressEndLine = (bool?)item["suppressEndLine"];
string scope = (string)item["scope"];
object source;
string formatString;
if (sourceItem == null)
{
List<object> sources = new List<object>();
List<string> formatStringComponents = new List<string>();
foreach (JToken subItem in formatItem)
{
if (subItem.Type == JTokenType.String)
{
formatStringComponents.Add((string)subItem);
}
else
{
string componentFormat = (string) subItem["format"] ?? string.Empty;
formatStringComponents.Add(string.Concat("{", sources.Count, componentFormat, "}"));
sources.Add(Create(subItem["value"]));
}
}
source = new Iterator(sources, scope);
formatString = formatStringComponents.Aggregate(string.Concat);
}
else
{
source = CreateDataReference(sourceItem);
formatString = formatItem.Type == JTokenType.Array
? formatItem.Select(p => (string)p).Aggregate(string.Concat)
: (string)formatItem;
}
var result = source is DataReference
? new FormatString((DataReference) source, formatString, suppressEndLine ?? false)
: new FormatString((ISource) source, formatString, suppressEndLine ?? false);
result.DebugInfo = GetDebugInfo(item);
return result;
}
public void ThenNextMustUpdateFromSources()
{
var sources = new List<TestSource>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 }
};
using (var iterator = new Iterator(sources.Cast<object>().ToList(),null))
{
//Incremented on next due to constructor
Assert.AreEqual(1, sources[0].Count);
Assert.AreEqual(101, sources[1].Count);
Assert.AreEqual(0, ((IList<object>)iterator.GetItem())[0] );
Assert.AreEqual(100, ((IList<object>)iterator.GetItem())[1]);
Iterator.NextAll(Iterator.DefaultScope);
Assert.AreEqual(2, sources[0].Count);
Assert.AreEqual(102, sources[1].Count);
Assert.AreEqual(1, ((IList<object>)iterator.GetItem())[0]);
Assert.AreEqual(101, ((IList<object>)iterator.GetItem())[1]);
}
}
public void ThenSourcesMustBeFlattened()
{
var sources = new List<object>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 },
new StringList(new List<object>{"a", "b"})
};
using (var iterator = new Iterator(sources, null))
{
var result = ((IList<object>) iterator.GetItem());
Assert.AreEqual(0, result[0]);
Assert.AreEqual(100, result[1]);
Assert.AreEqual("a", result[2]);
Assert.AreEqual("b", result[3]);
}
}
public void ThenSequentialIteratorSourcesMustBeFlattened()
{
var sources = new List<object>
{
new TestSource{ Count = 0 },
new TestSource{ Count = 100 },
new StringList(new List<object>{"a", "b"})
};
using (var first = new Iterator(sources, null))
using (var second = new Iterator(new List<object> { first, sources[2] }, null))
{
var result = ((IList<object>)second.GetItem());
Assert.AreEqual(0, result[0]);
Assert.AreEqual(100, result[1]);
Assert.AreEqual("a", result[2]);
Assert.AreEqual("b", result[3]);
Assert.AreEqual("a", result[4]);
Assert.AreEqual("b", result[5]);
}
}