public void TestBatchEnumerableReturnsCorrectValuesWithBaseEnumeratorMultipleIterations()
{
var batchEnumerable = new BatchEnumerable <int, int>(
ItemsList.AsQueryable(),
i => i,
null,
null,
5
);
for (var j = 0; j < 4; j++)
{
Assert.AreEqual(5, batchEnumerable.Count());
var count = 0;
var baseEnumerable = (IEnumerable)batchEnumerable;
var enumerator = baseEnumerable.GetEnumerator();
while (enumerator.MoveNext())
{
var i = new[] {
(count * 5) + 1,
(count * 5) + 2,
(count * 5) + 3,
(count * 5) + 4,
(count * 5) + 5,
};
Assert.AreEqual(i, enumerator.Current);
count++;
Assert.AreEqual(count, batchEnumerable.BatchNumber);
}
enumerator.Reset();
}
}
public void TestBatchEnumerableReturnsCorrectValuesUponMultipleIterations()
{
var batchEnumerable = new BatchEnumerable <int, int>(
ItemsList.AsQueryable(),
i => i,
null,
null,
5
);
for (var j = 0; j < 4; j++)
{
Assert.AreEqual(5, batchEnumerable.Count());
var count = 0;
foreach (var items in batchEnumerable)
{
var i = new[] {
(count * 5) + 1,
(count * 5) + 2,
(count * 5) + 3,
(count * 5) + 4,
(count * 5) + 5,
};
Assert.AreEqual(i, items);
count++;
Assert.AreEqual(count, batchEnumerable.BatchNumber);
}
}
}
public void TestBatchEnumerableThrowsExceptionUponNullItems()
{
Assert.Throws <ArgumentNullException>(() => {
var batchEnumerable = new BatchEnumerable <int>(
null,
null,
i => i < 4,
5
);
});
}
public void TestBatchEnumerableReturnsCorrectNumber()
{
var batchEnumerable = new BatchEnumerable <int, int>(
ItemsList.AsQueryable(),
i => i,
null,
null,
5
);
Assert.AreEqual(0, batchEnumerable.BatchNumber);
}
public void TestBatchEnumerableReturnsBatchSize()
{
var batchEnumerable = new BatchEnumerable <int, int>(
ItemsList.AsQueryable(),
i => i,
null,
null,
5
);
Assert.AreEqual(5, batchEnumerable.BatchSize);
}
public void TestBatchEnumerableFiltersItems()
{
var batchEnumerable = new BatchEnumerable <int, int>(
ItemsList.AsQueryable(),
i => i,
null,
i => i < 4,
5
);
Assert.AreEqual(1, batchEnumerable.Count());
Assert.AreEqual(new[] { 1, 2, 3 }, batchEnumerable.First());
}
public void TestBatchEnumerableFiltersItemsWithMultipleCalls()
{
var batchEnumerable = new BatchEnumerable <int, int>(
ItemsList.AsQueryable(),
i => i,
null,
i => i < 4,
5
);
for (var j = 0; j < 4; j++)
{
Assert.AreEqual(1, batchEnumerable.Count());
Assert.AreEqual(new[] { 1, 2, 3 }, batchEnumerable.First());
}
}
