public void WhenSelectBirthCustomerWhereFirstnameIsPopo_ShouldBe2Tokens()
{
var context = new FakeQueryContext(() => new List <Customer>());
var customers = context.GetTable <Customer>();
var selected =
from c in customers
where c.Firstname == "popo"
select c.Birth;
var array = selected.ToArray();
Assert.IsTrue(typeof(IEnumerable <DateTime>).IsAssignableFrom(array.GetType()));
Assert.AreEqual(2, context.Operations.Length);
var @select = context.Operations.OfType <Visitor.Operation.Select>().Single();
Assert.AreEqual(typeof(DateTime), ((Visitor.SelectArgs.Fields)@select.Item).Item.Head.Field.Type);
Assert.AreEqual("Birth", ((Visitor.SelectArgs.Fields)@select.Item).Item.Head.Field.Name);
Assert.AreEqual(1, ((Visitor.SelectArgs.Fields)@select.Item).Item.Length);
var @where = context.Operations.OfType <Visitor.Operation.Where>().Single();
var comparison = (Visitor.WhereArgs.UnaryComparison)@where.Item;
Assert.AreEqual(typeof(string), comparison.Item.Field.Type);
Assert.AreEqual("Firstname", comparison.Item.Field.Name);
}
public void WhenSelectBirthAsBornDateAndIdCustomerWhereFirstnameIsPopoAndBirthGreatherOrEqualThan02Feb1985_ShouldBe2ComparisonAnd1SelectTokens()
{
var context = new FakeQueryContext();
var customers = context.GetTable <Customer>();
var dateTime = new DateTime(1985, 02, 11);
var selected =
from c in customers
where c.Firstname == "popo" && c.Birth >= dateTime
select new
{
c.Id,
BornDate = c.Birth
};
var soql = selected.ToString();
var array = selected.ToList();
var type = array.GetType().GenericTypeArguments.Single();
var properties = type.GetProperties();
Assert.AreEqual("Id", properties[0].Name);
Assert.AreEqual(typeof(Guid), properties[0].PropertyType);
Assert.AreEqual("BornDate", properties[1].Name);
Assert.AreEqual(typeof(DateTime), properties[1].PropertyType);
var @select = context.Operations.OfType <Visitor.Operation.Select>().Single();
Assert.AreEqual(typeof(DateTime), ((Visitor.SelectArgs.Fields)@select.Item).Item[1].Field.Type);
Assert.AreEqual("Birth", ((Visitor.SelectArgs.Fields)@select.Item).Item[1].Field.Name);
Assert.AreEqual("BornDate", ((Visitor.SelectArgs.Fields)@select.Item).Item[1].Alias.Value);
Assert.AreEqual(2, ((Visitor.SelectArgs.Fields)@select.Item).Item.Length);
}
public void WhenSelectCustomerWhereFirstnameIsPopoInnerJoinBasket_ShouldBe2Tokens()
{
var context = new FakeQueryContext();
var customers = context.GetTable <Customer>();
var baskets = context.GetTable <Basket>();
var customBaskets =
from c in customers
where c.Firstname == "popo"
join basket in baskets on c.Id equals basket.CustomerId
select basket;
var array = customBaskets.ToList();
Assert.IsTrue(typeof(IEnumerable <Basket>).IsAssignableFrom(array.GetType()));
Assert.AreEqual(1, context.Operations.Length);
var @join = context.Operations.OfType <Visitor.Operation.Join>().Single();
Assert.AreEqual("Id", @join.Item3.Name);
Assert.AreEqual(typeof(Guid), @join.Item3.Type);
Assert.AreEqual("CustomerId", @join.Item4.Name);
Assert.AreEqual(typeof(Guid), @join.Item4.Type);
var @where = (Visitor.Operation.Where)@join.Item1.Head;
var comparison = (Visitor.WhereArgs.UnaryComparison)@where.Item;
Assert.AreEqual(typeof(string), comparison.Item.Field.Type);
Assert.AreEqual("Firstname", comparison.Item.Field.Name);
Assert.AreEqual(Visitor.ComparisonKind.Equal, comparison.Item.Kind);
Assert.IsTrue(comparison.Item.Target.IsConstant);
Assert.AreEqual("popo", ((Visitor.ComparisonTarget.Constant)comparison.Item.Target).Item);
}
public void WhenProperyHasJsonPropertyAttributes_PropertyNameShouldBeAttributeValue()
{
var context = new FakeQueryContext();
var entities = context.GetTable <Entity1>();
var query =
from c in entities
where c.Name == "popo"
select c;
var soql = query.ToString();
Assert.AreEqual(@"SELECT Id, Name, Cost FROM Entity1 WHERE Name = 'popo'", soql);
}
public void WhenOrderedByMultipleFields_ShouldHaveMultipleOrderByPredicates()
{
// Arrange
var context = new FakeQueryContext();
// Act
var customers = context.GetTable <Customer>();
var query = customers.OrderBy(x => x.Id).ThenByDescending(x => x.Lastname);
// Assert
var soql = query.ToString();
Assert.AreEqual("SELECT FROM Customer ORDER BY Id, Lastname DESC", soql);
}
public void WhenPagingParameters_ShouldHaveLimitAndOffset()
{
// Arrange
var context = new FakeQueryContext();
// Act
var customers = context.GetTable <Customer>();
var query = customers.Skip(10).Take(5);
// Assert
var soql = query.ToString();
Assert.AreEqual("SELECT FROM Customer LIMIT 5 OFFSET 10", soql);
}
public void QueryProvider_WhenSelectCustomerWhereFirstnameIsPopo_SelectQuery()
{
var context = new FakeQueryContext(() => new List <Customer>());
// Prepare query expression
var customers = context.GetTable <Customer>();
var queryExpr = customers.Where(x => x.Firstname == "popo").Expression;
// Execute query expression
var provider = new QueryProvider(context, "Customer");
var query = (provider as IQueryProvider).CreateQuery(queryExpr);
// Asset
Assert.AreEqual("SELECT FROM Customer WHERE Firstname = 'popo'", query.ToString());
}
public void WhenSelectCustomer_ShouldBeOnlySelectTokenWithAllProperties()
{
var context = new FakeQueryContext(() => new List <Customer>());
var customers = context.GetTable <Customer>();
var selected =
from c in customers
select c;
var array = selected.ToArray();
Assert.IsTrue(typeof(IEnumerable <Customer>).IsAssignableFrom(array.GetType()));
Assert.AreEqual(1, context.Operations.Length);
var @select = context.Operations.OfType <Visitor.Operation.Select>().Single();
Assert.AreEqual(typeof(Customer), ((Visitor.SelectArgs.SelectType)@select.Item).Item);
}
public void WhenSelectBirthAsBornDateAndIdCustomerWhereFirstnameIsPopoOrBirthGreatherOrEqualThan02Feb1985OrderByDate_ShouldBe2ComparisonAnd1SelectTokens()
{
var context = new FakeQueryContext();
var customers = context.GetTable <Customer>();
var dateTime = new DateTime(1985, 02, 11);
var query =
from c in customers
where c.Firstname == "popo" || c.Birth >= dateTime
orderby c.Birth descending
select new
{
c.Id,
BornDate = c.Birth
};
var soql = query.ToString();
Assert.AreEqual(@"SELECT Id, Birth FROM Customer WHERE (Firstname = 'popo') OR (Birth >= 1985-02-11T00:00:00Z) ORDER BY Birth DESC", soql);
}
public void Visitor_MultipleOrderingDifferentDirection()
{
// Arrange
var context = new FakeQueryContext(() => new List <Customer>());
// Act
var customers = context.GetTable <Customer>();
var query = customers.AsQueryable().OrderBy(x => x.Id).ThenByDescending(x => x.Lastname);
var queryExp = query.Expression;
var visitor = new Visitor.RequestExpressionVisitor(queryExp);
visitor.Visit();
// Assert
var actualOperations = visitor.Operations;
Assert.AreEqual(2, actualOperations.Count());
AssertOrderOperation(actualOperations[0] as Visitor.Operation.Order, "Id");
AssertOrderOperation(actualOperations[1] as Visitor.Operation.Order, "Lastname", Visitor.OrderDirection.Descending);
}
public void Visitor_OrderingDescending()
{
// Arrange
var context = new FakeQueryContext(() => new List <Customer>());
// Act
var customers = context.GetTable <Customer>();
var query = customers.AsQueryable().OrderByDescending(x => x.Id);
var queryExp = query.Expression;
var visitor = new Visitor.RequestExpressionVisitor(queryExp);
visitor.Visit();
// Assert
var actualOperations = visitor.Operations;
Assert.AreEqual(1, actualOperations.Count());
var operation = actualOperations.First() as Visitor.Operation.Order;
AssertOrderOperation(operation, "Id", Visitor.OrderDirection.Descending);
}
public void WhenSelectCustomerWhereFirstnameIsPopo_ShouldBe2Tokens()
{
var context = new FakeQueryContext(() => new List <Customer>());
var customers = context.GetTable <Customer>();
var selected =
from c in customers
where c.Firstname == "popo"
select c;
var array = selected.ToArray();
Assert.IsTrue(typeof(IEnumerable <Customer>).IsAssignableFrom(array.GetType()));
Assert.AreEqual(1, context.Operations.Length);
var @where = context.Operations.OfType <Visitor.Operation.Where>().Single();
var comparison = (Visitor.WhereArgs.UnaryComparison)@where.Item;
Assert.AreEqual(typeof(string), comparison.Item.Field.Type);
Assert.AreEqual("Firstname", comparison.Item.Field.Name);
Assert.AreEqual(Visitor.ComparisonKind.Equal, comparison.Item.Kind);
Assert.IsTrue(comparison.Item.Target.IsConstant);
Assert.AreEqual("popo", ((Visitor.ComparisonTarget.Constant)comparison.Item.Target).Item);
}
public void WhenSelectBirthAndIdCustomerWhereFirstnameIsPopoAndBirthGreatherOrEqualThan02Feb1985_ShouldBe2ComparisonAnd1SelectTokens()
{
var context = new FakeQueryContext();
var customers = context.GetTable <Customer>();
var dateTime = new DateTime(1985, 02, 11);
var selected =
from c in customers
where c.Firstname == "popo" && c.Birth >= dateTime
select new
{
c.Id,
c.Birth
};
var array = selected.ToList();
var type = array.GetType().GenericTypeArguments.Single();
var properties = type.GetProperties();
Assert.AreEqual("Id", properties[0].Name);
Assert.AreEqual(typeof(Guid), properties[0].PropertyType);
Assert.AreEqual("Birth", properties[1].Name);
Assert.AreEqual(typeof(DateTime), properties[1].PropertyType);
}
public void Visitor_OData_SkipSimple()
{
// Arrange
var context = new FakeQueryContext(() => new List <Customer>());
var limit = (int)10;
// Act
var customers = context.GetTable <Customer>();
var queryExp = ODataHelpers.Skip(customers.AsQueryable().Expression, limit, typeof(Customer), true);
var visitor = new Visitor.RequestExpressionVisitor(queryExp);
visitor.Visit();
// Assert
var actualOperations = visitor.Operations;
Assert.AreEqual(1, actualOperations.Count());
var takeOperation = actualOperations.First();
Assert.IsTrue(takeOperation.IsSkip);
Assert.AreEqual(limit, ((Visitor.Operation.Skip)takeOperation).Item);
}
public void WhenSelectBirthCustomerWhereFirstnameIsPopoAndBirthGreatherOrEqualThan02Feb1985_ShouldBe2ComparisonAnd1SelectTokens()
{
var context = new FakeQueryContext(() => new List <Customer>());
var customers = context.GetTable <Customer>();
var dateTime = new DateTime(1985, 02, 11);
var selected =
from c in customers
where c.Firstname == "popo" && c.Birth >= dateTime
select c.Birth;
var array = selected.ToArray();
Assert.IsTrue(typeof(IEnumerable <DateTime>).IsAssignableFrom(array.GetType()));
Assert.AreEqual(2, context.Operations.Length);
var @select = context.Operations.OfType <Visitor.Operation.Select>().Single();
Assert.AreEqual(typeof(DateTime), ((Visitor.SelectArgs.Fields)@select.Item).Item.Head.Field.Type);
Assert.AreEqual("Birth", ((Visitor.SelectArgs.Fields)@select.Item).Item.Head.Field.Name);
Assert.AreEqual(1, ((Visitor.SelectArgs.Fields)@select.Item).Item.Length);
var @where = context.Operations.OfType <Visitor.Operation.Where>().Single();
var binaryComparison = (Visitor.WhereArgs.BinaryComparison)@where.Item;
var cmp1 = ((Visitor.WhereArgs.UnaryComparison)binaryComparison.Item1).Item;
Assert.AreEqual(typeof(string), cmp1.Field.Type);
Assert.AreEqual("Firstname", cmp1.Field.Name);
Assert.AreEqual(Visitor.BinaryComparisonKind.And, binaryComparison.Item2);
var cmp2 = ((Visitor.WhereArgs.UnaryComparison)binaryComparison.Item3).Item;
Assert.AreEqual(typeof(DateTime), cmp2.Field.Type);
Assert.AreEqual("Birth", cmp2.Field.Name);
var value = ((Visitor.ComparisonTarget.Constant)cmp2.Target).Item;
Assert.AreEqual(dateTime, value);
}
public void Visitor_AndExpression()
{
// Arrange
var context = new FakeQueryContext(() => new List <Customer>());
// Act
var customers = context.GetTable <Customer>();
var query = customers.AsQueryable().Where(x => x.Firstname == "popo" && x.Lastname == "papa");
var queryExp = query.Expression;
var visitor = new Visitor.RequestExpressionVisitor(queryExp);
visitor.Visit();
// Assert
var actualOperations = visitor.Operations;
Assert.AreEqual(1, actualOperations.Count());
var operation = actualOperations.First() as Visitor.Operation.Where;
var compareOperation = operation.Item as Visitor.WhereArgs.BinaryComparison;
AssertUnaryComparison(compareOperation.Item1, "Firstname", "popo", Visitor.ComparisonKind.Equal);
Assert.AreEqual(Visitor.BinaryComparisonKind.And, compareOperation.Item2);
AssertUnaryComparison(compareOperation.Item3, "Lastname", "papa", Visitor.ComparisonKind.Equal);
}