public void ShouldReturnZero_WhenMapDoesNotContainChild()
{
_sut.Add(1, 2);
var res = _sut.GetParent(20);
Assert.AreEqual(0, res);
}
public void ShouldReturnEmpty_WhenMapDoesNotContainParent()
{
_sut.Add(1, 2);
var res = _sut.GetChildren(20).ToList();
Assert.AreEqual(0, res.Count());
}
public void OneToManyMapper_Add(int parentId, int childId)
{
var parent = new Parent(parentId);
var oneToManyMapper = new OneToManyMapper();
oneToManyMapper.parentList.Add(parent);
oneToManyMapper.Add(parentId, childId);
Assert.True(parent.children.Contains(childId), $"Children is not added to this parent");
}
public void OneToManyMapper_GetParent(int parentId, int childId)
{
var parent = new Parent(parentId);
var child = new Child(childId);
var oneToManyMapper = new OneToManyMapper();
oneToManyMapper.parentList.Add(parent);
oneToManyMapper.childList.Add(child);
oneToManyMapper.Add(parentId, childId);
int parentForChild = oneToManyMapper.GetParent(childId);
Assert.Equal(parentForChild, parentId);
}
public void OneToManyMapper_GetChildren(int parentId, int childId)
{
var parent = new Parent(parentId);
var child = new Child(childId);
var oneToManyMapper = new OneToManyMapper();
oneToManyMapper.parentList.Add(parent);
oneToManyMapper.childList.Add(child);
oneToManyMapper.Add(parentId, childId);
var childList = oneToManyMapper.GetChildren(parentId);
Assert.True(childList.Count() == 1, $"Value returned is not of type List");
}
public void OneToManyMapper_RemoveChild(int parentId, int childId)
{
var parent = new Parent(parentId);
var child = new Child(childId);
var oneToManyMapper = new OneToManyMapper();
oneToManyMapper.parentList.Add(parent);
oneToManyMapper.childList.Add(child);
oneToManyMapper.Add(parentId, childId);
oneToManyMapper.RemoveChild(childId);
Assert.True(oneToManyMapper.childList.Count == 0, $"Child was not removed from childList");
Assert.True(parent.children.Count == 0, $"Child was not removed from childList");
}
public void ShouldThrowApplicationException_WhenMapDoesNotContainChild()
{
_sut.Add(1, 2);
Assert.Throws <ApplicationException>(() => _sut.RemoveChild(20));
}
public void ShouldThrowApplicationException_WhenMapDoesNotContainOldParent()
{
_sut.Add(1, 2);
Assert.Throws <ApplicationException>(() => _sut.UpdateParent(20, 3));
}
public void ShouldThrowArgumentException_WhenInputIsOutOfMaxRange()
{
Assert.Throws <ArgumentException>(() => _sut.Add(1, 947483648));
}