public void MapperObviousTests()
{
Assert.Throws <ArgumentNullException>(() => new RddObjectsMapper <DTOCat, Cat>(null, _fixture.Mapper));
Assert.Throws <ArgumentNullException>(() => new RddObjectsMapper <DTOCat, Cat>(new ExpressionParser(), null));
var mapper = new RddObjectsMapper <DTOCat, Cat>(new ExpressionParser(), _fixture.Mapper);
Assert.Null(mapper.Map((Query <DTOCat>)null));
Assert.Null(mapper.Map((ISelection <Cat>)null));
Assert.Null(mapper.Map((Cat)null));
}
public void MapperTests()
{
var mapper = new RddObjectsMapper <DTOCat, Cat>(new ExpressionParser(), _fixture.Mapper);
var cat = new Cat
{
Age = 22,
Name = "bob"
};
var dto = mapper.Map(cat);
Assert.Equal(cat.Age, dto.Age);
Assert.Equal(cat.Id, dto.Id);
Assert.Equal(cat.Name, dto.NickName);
var input = new Selection <Cat>(new List <Cat> {
cat
}, 45);
var dtoSelection = mapper.Map(input);
Assert.Equal(input.Count, dtoSelection.Count);
Assert.Single(dtoSelection.Items);
Assert.Equal(cat.Age, dtoSelection.Items.First().Age);
Assert.Equal(cat.Id, dtoSelection.Items.First().Id);
Assert.Equal(cat.Name, dtoSelection.Items.First().NickName);
var expressionParser = new ExpressionParser();
var query = new Query <DTOCat>
{
Filter = new Filter <DTOCat>(f => f.NickName.StartsWith("titi") && f.Age != 10),
Fields = expressionParser.ParseTree <DTOCat>("nickname,age"),
OrderBys = new List <OrderBy <DTOCat> > {
new OrderBy <DTOCat>(expressionParser.Parse <DTOCat>("nickname").ToLambdaExpression(), SortDirection.Ascending)
}
};
var bddQuery = mapper.Map(query);
var comparer = new ExpressionEqualityComparer();
Expression <Func <Cat, bool> > result = f => f.Name.StartsWith("titi") && f.Age != 10;
Assert.True(comparer.Equals(bddQuery.Filter, result));
Assert.Equal(bddQuery.Fields.ToString(), expressionParser.ParseTree <Cat>("name,age").ToString());
Assert.Single(bddQuery.OrderBys);
Assert.Equal(SortDirection.Ascending, bddQuery.OrderBys.FirstOrDefault().Direction);
Expression <Func <Cat, string> > orderBy = f => f.Name;
Assert.True(comparer.Equals(bddQuery.OrderBys.FirstOrDefault().LambdaExpression, orderBy));
}