public void ExecuteCodeSnippetWithoutResult()
{
var script = new CSharpScriptExecution()
{
SaveGeneratedCode = true,
};
script.AddDefaultReferencesAndNamespaces();
string result =
script.ExecuteCode("Console.WriteLine($\"Time is: {DateTime.Now}\");", null) as string;
Console.WriteLine($"Result: {result}");
Console.WriteLine($"Error: {script.Error}");
Console.WriteLine(script.ErrorMessage);
Console.WriteLine(script.GeneratedClassCode);
Assert.IsFalse(script.Error, script.ErrorMessage);
}
/// <summary>
/// Evaluates the embedded script parsing out {{ C# Expression }}
/// blocks and evaluating the expressions and embedding the string
/// output into the result string.
///
///
/// </summary>
/// <param name="snippet">The snippet template to expand</param>
/// <param name="model">Optional model data accessible in Expressions as `Model`</param>
/// <returns></returns>
public string EvaluateScript(string snippet, object model = null)
{
#if DEBUG
var sw = new Stopwatch();
sw.Start();
#endif
var tokens = TokenizeString(ref snippet, "{{", "}}");
snippet = snippet.Replace("\"", "\"\"");
snippet = DetokenizeString(snippet, tokens);
snippet = snippet.Replace("{{", "\" + ").Replace("}}", " + @\"");
snippet = "@\"" + snippet + "\"";
string code = "dynamic Model = parameters[0];\r\n" +
"return " + snippet + ";";
//var scriptCompiler = new ScriptRunnerRoslyn();
var scriptCompiler = new CSharpScriptExecution()
{
CompilerMode = ScriptCompilerModes.Roslyn
};
scriptCompiler.AddDefaultReferencesAndNamespaces();
scriptCompiler.AddAssemblies("System.dll",
"System.Core.dll",
"System.Drawing.dll",
"Microsoft.CSharp.dll",
"System.Data.dll",
"MarkdownMonster.exe",
"Westwind.Utilities.dll",
"System.Configuration.dll",
"Newtonsoft.Json.dll");
scriptCompiler.AddNamespaces("System",
"System.IO",
"System.Reflection",
"System.Text",
"System.Drawing",
"System.Diagnostics",
"System.Data",
"System.Data.SqlClient",
"System.Linq",
"System.Collections.Generic",
"Newtonsoft.Json",
"Newtonsoft.Json.Linq",
"MarkdownMonster",
"Westwind.Utilities");
string result = scriptCompiler.ExecuteCode(code, model) as string;
if (result == null)
{
ErrorMessage = scriptCompiler.ErrorMessage;
}
else
{
ErrorMessage = null;
}
#if DEBUG
sw.Stop();
Debug.WriteLine("ScriptParser Code: \r\n" + code);
Debug.WriteLine("Snippet EvaluateScript Execution Time: " + sw.ElapsedMilliseconds + "ms");
#endif
return(result);
}
public void ExecuteCodeSnippetWithResult()
{
var script = new CSharpScriptExecution()
{
SaveGeneratedCode = true,
CompilerMode = ScriptCompilerModes.Roslyn,
GeneratedNamespace = "ScriptExecutionTesting",
GeneratedClassName = "MyTest"
};
script.AddDefaultReferencesAndNamespaces();
//script.AddAssembly("Westwind.Utilities.dll");
//script.AddNamespace("Westwind.Utilities");
var code = $@"
// Check some C# 6+ lang features
var s = new {{ name = ""Rick""}}; // anonymous types
Console.WriteLine(s?.name); // null propagation
int num1 = (int)parameters[0];
int num2 = (int)parameters[1];
// string templates
var result = $""{{num1}} + {{num2}} = {{(num1 + num2)}}"";
Console.WriteLine(result);
return result;
";
string result = script.ExecuteCode(code, 10, 20) as string;
Console.WriteLine($"Result: {result}");
Console.WriteLine($"Error: {script.Error}");
Console.WriteLine(script.ErrorMessage);
Console.WriteLine(script.GeneratedClassCodeWithLineNumbers);
Assert.IsFalse(script.Error, script.ErrorMessage);
Assert.IsTrue(result.Contains(" = 30"));
result = script.ExecuteCode(code, 15, 10) as string;
Console.WriteLine($"Result: {result}");
Console.WriteLine($"Error: {script.Error}");
Console.WriteLine(script.ErrorMessage);
Assert.IsFalse(script.Error, script.ErrorMessage);
Assert.IsTrue(result.Contains(" = 25"));
script = new CSharpScriptExecution()
{
SaveGeneratedCode = true,
GeneratedClassName = "MyTest"
};
script.AddDefaultReferencesAndNamespaces();
result = script.ExecuteCode(code, 4, 10) as string;
Console.WriteLine($"Result: {result}");
Console.WriteLine($"Error: {script.Error}");
Console.WriteLine(script.ErrorMessage);
Assert.IsFalse(script.Error, script.ErrorMessage);
Assert.IsTrue(result.Contains(" = 14"));
}