public void Apply_SortByName_SortedHighestToLowest()
{
// arrange
var sort = new DynamicSort <FakeSortClass>(t => t.Name);
sort.AddKey("age", "age desc", t => t.Age);
var coll = GetSampleList();
// act
var result = sort.Apply("age", coll);
var enumerated = result.ToList();
// assert
FakeSortClass current = null;
foreach (var e in enumerated)
{
if (current == null)
{
current = e;
continue;
}
Assert.True(e.Age > current.Age);
current = e;
}
}
public void AddKey_AddValueType_DoesNotThrow()
{
// arrange
var sort = new DynamicSort <FakeSortClass>(t => t.Name);
// act
sort.AddKey("name", "name desc", t => t.Age);
// assert
Assert.True(true);
}
public void Apply_NoMapper_SortsByDefault()
{
// arrange
var sort = new DynamicSort <FakeSortClass>(t => t.Name);
var coll = GetSampleList();
// act
var result = sort.Apply("age", coll);
// assert
Assert.Equal("Jeremy", result.First().Name);
}
public void Apply_EmptyKey_SortsByDefault()
{
// arrange
var sort = new DynamicSort <FakeSortClass>(t => t.Name);
sort.AddKey("age", "age desc", t => t.Age);
var coll = GetSampleList().ToList();
// act
var result = sort.Apply(string.Empty, coll);
// assert
Assert.Equal("Jeremy", result.First().Name);
}
public void Apply_WithThenBy_ExpectedOrder()
{
// arrange
var sort = new DynamicSort <FakeSortClass>(t => t.Name);
sort.AddKey("age", "age desc", t => t.Name, t => t.Age);
var coll = GetSampleList();
// act
var result = sort.Apply("age", coll);
// assert (verify that the grouping is ordered, basically)
var oldestJulieAge = result.Where(p => p.Name.Equals("Julie")).Max(p => p.Age);
var julies = result.Where(p => p.Name.Equals("Julie"));
Assert.Equal(oldestJulieAge, julies.Last().Age);
}
