public void TestAssignEntities()
{
foreach (var seed in Enumerable.Range(0, 1000))
{
var random = new Random(seed);
var collection = new CollectionSubject <EquatableElement> {
AssignItem = (src, dst) => {
Console.WriteLine("assign item");
src.Value = dst.Value;
}
};
for (int i = 0; i < random.Next(1, 10); ++i)
{
var postValues = collection.ToList();
var nextValues =
Enumerable.Range(
0, random.Next(0, 10)
).Select(
_ => new EquatableElement(random.Next(10), random.Next(10).ToString())
).ToArray();
collection.Assign(nextValues);
var postValuesStr = "[" + string.Join(", ", postValues.Select(x => $"{x.Id}-{x.Value}")) + "]";
var nextValuesStr = "[" + string.Join(", ", nextValues.Select(x => $"{x.Id}-{x.Value}")) + "]";
var actualStr = "[" + string.Join(", ", collection.Select(x => $"{x.Id}-{x.Value}")) + "]";
CollectionAssert.AreEqual(nextValues.Select(x => x.Value).ToArray(), collection.Select(x => x.Value).ToArray(), $"{postValuesStr} => {nextValuesStr} = {actualStr}");
}
}
}
public TestContext()
{
QueryCommand = new QueryCommand(this);
Items = new CollectionSubject <Person>()
{
Dispatch = Dispatcher.CurrentDispatcher.Invoke
};
Query();
}
public void TestAssignValueObjects()
{
foreach (var seed in Enumerable.Range(0, 1000))
{
var random = new Random(seed);
var collection = new CollectionSubject <EquatableElement>();
for (int i = 0; i < random.Next(1, 10); ++i)
{
var postValues = collection.ToList();
var nextValues = Enumerable.Range(0, random.Next(0, 10)).Select(_ => new EquatableElement(random.Next(10), random.Next(10).ToString())).ToArray();
collection.Assign(nextValues);
var postValuesStr = "[" + string.Join(", ", postValues.Select(x => x.Id)) + "]";
var nextValuesStr = "[" + string.Join(", ", nextValues.Select(x => x.Id)) + "]";
var actualStr = "[" + string.Join(", ", collection.Select(x => x.Id)) + "]";
CollectionAssert.AreEqual(nextValues, collection, Comparer <EquatableElement> .Default, $"{postValuesStr} => {nextValuesStr} = {actualStr}");
}
}
}
public void TestInitialState()
{
var collection = new CollectionSubject <EquatableElement>();
CollectionAssert.AreEqual(new EquatableElement[0], collection);
}
