public void Sub_String_Fixed_Test()
{
Expression <Func <Entity, string> > where = x => x.Name.Substring(0, 5);
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Function);
projection.Function.ShouldNotBeNull();
projection.Function.Type.ShouldEqual(Function.FunctionType.SubstringFixed);
projection.Function.SubstringFixed.Text.ShouldNotBeNull();
projection.Function.SubstringFixed.Text.Type.ShouldEqual(Projection.ProjectionType.Field);
projection.Function.SubstringFixed.Text.Field.ShouldNotBeNull();
projection.Function.SubstringFixed.Text.Field.Name.ShouldEqual("Name");
projection.Function.SubstringFixed.Start.ShouldNotBeNull();
projection.Function.SubstringFixed.Start.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.SubstringFixed.Start.Constant.ShouldNotBeNull();
projection.Function.SubstringFixed.Start.Constant.Value.ShouldEqual(0);
projection.Function.SubstringFixed.Length.ShouldNotBeNull();
projection.Function.SubstringFixed.Length.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.SubstringFixed.Length.Constant.ShouldNotBeNull();
projection.Function.SubstringFixed.Length.Constant.Value.ShouldEqual(5);
}
public void Replace_Test()
{
Expression <Func <Entity, string> > where = x => x.Name.Replace("oh", "hai");
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Function);
projection.Function.ShouldNotBeNull();
projection.Function.Type.ShouldEqual(Function.FunctionType.Replace);
projection.Function.Replace.Text.ShouldNotBeNull();
projection.Function.Replace.Text.Type.ShouldEqual(Projection.ProjectionType.Field);
projection.Function.Replace.Text.Field.ShouldNotBeNull();
projection.Function.Replace.Text.Field.Name.ShouldEqual("Name");
projection.Function.Replace.SearchValue.ShouldNotBeNull();
projection.Function.Replace.SearchValue.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.Replace.SearchValue.Constant.ShouldNotBeNull();
projection.Function.Replace.SearchValue.Constant.Value.ShouldEqual("oh");
projection.Function.Replace.ReplaceValue.ShouldNotBeNull();
projection.Function.Replace.ReplaceValue.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.Replace.ReplaceValue.Constant.ShouldNotBeNull();
projection.Function.Replace.ReplaceValue.Constant.Value.ShouldEqual("hai");
}
public void Ondex_Of_At_Test()
{
Expression <Func <Entity, int> > where = x => x.Name.IndexOf("hai", 10);
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Function);
projection.Function.ShouldNotBeNull();
projection.Function.Type.ShouldEqual(Function.FunctionType.IndexOfAt);
projection.Function.IndexOfAt.Text.ShouldNotBeNull();
projection.Function.IndexOfAt.Text.Type.ShouldEqual(Projection.ProjectionType.Field);
projection.Function.IndexOfAt.Text.Field.ShouldNotBeNull();
projection.Function.IndexOfAt.Text.Field.Name.ShouldEqual("Name");
projection.Function.IndexOfAt.Value.ShouldNotBeNull();
projection.Function.IndexOfAt.Value.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.IndexOfAt.Value.Constant.ShouldNotBeNull();
projection.Function.IndexOfAt.Value.Constant.Value.ShouldEqual("hai");
projection.Function.IndexOfAt.Start.ShouldNotBeNull();
projection.Function.IndexOfAt.Start.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.IndexOfAt.Start.Constant.ShouldNotBeNull();
projection.Function.IndexOfAt.Start.Constant.Value.ShouldEqual(10);
}
public void Insert_Test()
{
Expression <Func <Entity, string> > where = x => x.Name.Insert(5, "hai");
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Function);
projection.Function.ShouldNotBeNull();
projection.Function.Type.ShouldEqual(Function.FunctionType.Insert);
projection.Function.Insert.Text.ShouldNotBeNull();
projection.Function.Insert.Text.Type.ShouldEqual(Projection.ProjectionType.Field);
projection.Function.Insert.Text.Field.ShouldNotBeNull();
projection.Function.Insert.Text.Field.Name.ShouldEqual("Name");
projection.Function.Insert.Start.ShouldNotBeNull();
projection.Function.Insert.Start.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.Insert.Start.Constant.ShouldNotBeNull();
projection.Function.Insert.Start.Constant.Value.ShouldEqual(5);
projection.Function.Insert.Value.ShouldNotBeNull();
projection.Function.Insert.Value.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Function.Insert.Value.Constant.ShouldNotBeNull();
projection.Function.Insert.Value.Constant.Value.ShouldEqual("hai");
}
public void Entity_Dictionary_Property_Test()
{
Expression <Func <Entity, object> > expression = x => x.Values["Company"];
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("[company]");
}
public void To_Hex_Test()
{
Expression <Func <Entity, string> > expression = x => x.Name.Hash(EntityExtensions.HashAlgorithim.Md5).ToHex();
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CONVERT(nvarchar (MAX), HASHBYTES('Md5', [name]), 1)");
}
public void Hash_Sha1_Test()
{
Expression <Func <Entity, byte[]> > expression = x => x.Name.Hash(EntityExtensions.HashAlgorithim.Sha1);
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("HASHBYTES('Sha1', [name])");
}
public void Guid_ToString_Test()
{
Expression <Func <Entity, string> > expression = x => x.Id.ToString();
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CAST([id] AS nvarchar (MAX))");
}
public void Fields_Length_Test()
{
Expression <Func <Entity, int> > expression = x => ((string)x.Values["CompanyName"]).Length;
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("LEN(CAST([companyname] AS nvarchar (MAX)))");
}
public void Guid_Cast_Test()
{
Expression <Func <Entity, Guid> > expression = x => (Guid)x.Values["Count"];
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CAST([count] AS uniqueidentifier)");
}
public void Float_Cast_Test()
{
Expression <Func <Entity, float> > expression = x => (float)x.Values["Count"];
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CAST([count] AS real)");
}
public void Bool_Cast_Test()
{
Expression <Func <Entity, bool> > expression = x => (bool)x.Values["OptOut"];
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CAST([optout] AS bit)");
}
public void DateTime_Cast_Test()
{
Expression <Func <Entity, DateTime> > expression = x => (DateTime)x.Values["CreateDate"];
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CAST([createdate] AS datetime)");
}
public void Int_Cast_Test()
{
Expression <Func <Entity, int> > expression = x => (int)x.Values["PubCode"];
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CAST([pubcode] AS int)");
}
public void String_Cast_Test()
{
Expression <Func <Entity, string> > expression = x => (string)x.Values["Company"];
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("CAST([company] AS nvarchar (MAX))");
}
public void Null_Test()
{
Expression <Func <Entity, object> > expression = x => null;
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("NULL");
}
public void Property_Length_Test()
{
Expression <Func <Entity, int> > expression = x => x.Name.Length;
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("LEN([name])");
}
public void Trim_Right_Test()
{
Expression <Func <Entity, string> > expression = x => x.Name.TrimEnd();
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("RTRIM([name])");
}
public void Entity_Property_Table_Alias_Test()
{
Expression <Func <Entity, int> > expression = x => x.Age;
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body, "T"), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("[T].[age]");
}
public void Coalesce_Test()
{
Expression <Func <Entity, string> > expression = x => x.Name ?? x.NickName;
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("COALESCE([name], [nickname])");
}
public void Entity_Nullable_Property_Test()
{
Expression <Func <Entity, DateTime?> > expression = x => x.Created;
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(0);
statement.Text.ShouldEqual("[created]");
}
public void Index_Of_Test()
{
Expression <Func <Entity, int> > expression = x => x.Name.IndexOf("hi");
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(1);
statement.Parameters.First().Value.ShouldEqual("hi");
statement.Text.ShouldEqual(string.Format("CHARINDEX(@{0}, [name])", statement.Parameters.First().Key));
}
public void Substring_Test()
{
Expression <Func <Entity, string> > expression = x => x.Name.Substring(10);
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(1);
statement.Parameters.First().Value.ShouldEqual(10);
statement.Text.ShouldEqual(string.Format("RIGHT([name], LEN([name]) - @{0})", statement.Parameters.First().Key));
}
public void Substring_Fixed_Length_Test()
{
Expression <Func <Entity, string> > expression = x => x.Name.Substring(10, 5);
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(2);
statement.Parameters.First().Value.ShouldEqual(10);
statement.Parameters.Skip(1).First().Value.ShouldEqual(5);
statement.Text.ShouldEqual(string.Format("SUBSTRING([name], @{0}, @{1})", statement.Parameters.First().Key, statement.Parameters.Skip(1).First().Key));
}
public void Constant_Test()
{
Expression <Func <Entity, string> > where = x => "Jeff";
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Constant.ShouldNotBeNull();
projection.Constant.Value.ShouldEqual("Jeff");
}
public void Replace_Test()
{
Expression <Func <Entity, string> > expression = x => x.Name.Replace("this", "that");
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(2);
statement.Parameters.First().Value.ShouldEqual("this");
statement.Parameters.Skip(1).First().Value.ShouldEqual("that");
statement.Text.ShouldEqual(string.Format("REPLACE([name], @{0}, @{1})", statement.Parameters.First().Key,
statement.Parameters.Skip(1).First().Key));
}
public void Insert_Test()
{
Expression <Func <Entity, string> > expression = x => x.Name.Insert(10, "that");
var statement = ProjectionWriter <Entity> .CreateStatement(ProjectionVisitor <Entity> .CreateModel(expression.Body), Map);
statement.Parameters.Count().ShouldEqual(2);
statement.Parameters.First().Value.ShouldEqual(10);
statement.Parameters.Skip(1).First().Value.ShouldEqual("that");
statement.Text.ShouldEqual(string.Format("STUFF([name], @{0}, LEN([name]) - @{0}, @{1})", statement.Parameters.First().Key,
statement.Parameters.Skip(1).First().Key));
}
public void Property_Test()
{
Expression <Func <Entity, DateTime> > where = x => x.Birthdate;
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Field);
projection.Field.ShouldNotBeNull();
projection.Field.Name.ShouldEqual("Birthdate");
projection.Field.HasKey.ShouldEqual(false);
}
public void Dictionary_Property_Test()
{
Expression <Func <Entity, object> > where = x => x.Values["OptOut"];
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Field);
projection.Field.ShouldNotBeNull();
projection.Field.Name.ShouldEqual("Values");
projection.Field.HasKey.ShouldEqual(true);
projection.Field.Key.ShouldEqual("OptOut");
}
public void Non_Entity_Property_Access_Test()
{
var widget = new Widget();
Expression <Func <Entity, string> > where = x => widget.Yada;
var projection = ProjectionVisitor <Entity> .CreateModel(where.Body);
projection.ShouldNotBeNull();
projection.Type.ShouldEqual(Projection.ProjectionType.Constant);
projection.Constant.ShouldNotBeNull();
projection.Constant.Value.ShouldEqual(widget.Yada);
}