public void CollectionSortHandler_Write_LeftEmptySortedCollection_ThrowArgumentNullException()
{
using (ShimsContext.Create())
{
//
// Arrange.
//
var path = Path.GetTempPath();
var parser = new StubIDataParser <double>();
var reader = new ShimDataReader();
var writer = new ShimDataWriter <double>()
{
WriteContentT0Array = (array) => throw new ArgumentNullException()
};
CollectionSortHandler <double> collectionSortHandler;
//
// Act.
//
collectionSortHandler = new CollectionSortHandler <double>(reader, writer, parser);
//
// Assert.
//
Assert.ThrowsException <ArgumentNullException>(() => collectionSortHandler.Write(path));
}
}
public void CollectionSortHandler_Read_PassIncorrectPathToTheFile_ThrowException()
{
using (ShimsContext.Create())
{
//
// Arrange.
//
CollectionSortHandler <int> collectionSortHandler;
var path = Path.GetTempPath();
var parser = new StubIDataParser <int>();
var writer = new ShimDataWriter <int>();
var reader = new ShimDataReader()
{
ReadContentString = (str) => throw new ArgumentNullException()
};
//
// Act.
//
collectionSortHandler = new CollectionSortHandler <int>(reader, writer, parser);
//
// Assert.
//
Assert.ThrowsException <Exception>(() => collectionSortHandler.Read(path));
}
}
public void CollectionSortHandler_Read_PassCorrectPathToTheFile_GetCorrectContent()
{
using (ShimsContext.Create())
{
//
// Arrange.
//
int[] actualCollection;
var expectedCollection = new int[] { 125, 12, 33 };
var parser = new StubIDataParser <int>()
{
ConvertDataString = (str) => expectedCollection
};
var path = Path.GetTempPath();
var reader = new ShimDataReader();
var writer = new ShimDataWriter <int>();
CollectionSortHandler <int> collectionSortHandler;
//
// Act.
//
collectionSortHandler = new CollectionSortHandler <int>(reader, writer, parser);
collectionSortHandler.Read(path);
actualCollection = collectionSortHandler.UnSortedCollection;
//
// Assert.
//
Assert.AreEqual(expectedCollection, actualCollection);
}
}
public void CollectionSortHandler_Execute_PassSelectionSortType_GetSortedCollection()
{
using (ShimsContext.Create())
{
//
// Arrange.
//
var expectedCollection = new double[] { 1.5, 4, 11, 56, 166 };
var sorterType = SortType.SelectionSort;
var path = Path.GetTempPath();
var parser = new StubIDataParser <double>()
{
ConvertDataString = (str) => new double[] { 166, 11, 56, 4, 1.5 }
};
var reader = new ShimDataReader();
var writer = new ShimDataWriter <double>();
CollectionSortHandler <double> collectionSortHandler;
bool isCollectionSorted;
//
// Act.
//
collectionSortHandler = new CollectionSortHandler <double>(reader, writer, parser);
collectionSortHandler.GenerateSorter(sorterType);
collectionSortHandler.Read(path);
collectionSortHandler.Execute();
isCollectionSorted = collectionSortHandler.SortedCollection.SequenceEqual(expectedCollection);
//
// Assert.
//
Assert.IsTrue(isCollectionSorted);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CollectionSortingViewModel{T}"/> class.
/// </summary>
/// <owner>Anton Petrenko</owner>
public CollectionSortingViewModel()
{
this.handler = new CollectionSortHandler <T>
(new DataReader(new LocalFileValidator()), new DataWriter <T>(), new ArrayParser <T>());
this.UnSortedCollectionOfNumbers = new ObservableCollection <T>();
this.SortedCollectionOfNumbers = new ObservableCollection <T>();
}
public void CollectionSortHandler_Execute_LeftEmptyUnsortedCollection_ThrowException()
{
using (ShimsContext.Create())
{
//
// Arrange.
//
var parser = new StubIDataParser <double>();
var reader = new ShimDataReader();
var writer = new ShimDataWriter <double>();
CollectionSortHandler <double> collectionSortHandler;
//
// Act.
//
collectionSortHandler = new CollectionSortHandler <double>(reader, writer, parser);
//
// Assert.
//
Assert.ThrowsException <Exception>(() => collectionSortHandler.Execute());
}
}
public void CollectionSortHandler_Write_PassEmptyPath_ThrowArgumentNullException()
{
using (ShimsContext.Create())
{
//
// Arrange.
//
var parser = new StubIDataParser <double>();
var reader = new ShimDataReader();
var writer = new ShimDataWriter <double>();
CollectionSortHandler <double> collectionSortHandler;
//
// Act.
//
collectionSortHandler = new CollectionSortHandler <double>(reader, writer, parser);
//
// Assert.
//
Assert.ThrowsException <ArgumentNullException>(() => collectionSortHandler.Write(null));
}
}
