public void RequireFunctionIsAvailable()
{
// Arrange
var withoutBuiltinLibrary = new NodeSettings {
UseBuiltinLibrary = false
};
var withBuiltinLibrary = new NodeSettings {
UseBuiltinLibrary = true
};
const string input = @"typeof require !== 'undefined';";
// Act
bool output1 = false;
bool output2 = false;
using (var jsEngine = new NodeJsEngine(withoutBuiltinLibrary))
{
output1 = jsEngine.Evaluate <bool>(input);
}
using (var jsEngine = new NodeJsEngine(withBuiltinLibrary))
{
output2 = jsEngine.Evaluate <bool>(input);
}
// Assert
Assert.False(output1);
Assert.True(output2);
}
public void FileReadingIsCorrect()
{
// Arrange
const string input = @"let fs = require('fs');
fs.readFileSync('Files/link.txt', 'utf8')";
const string targetOutput = "http://www.panopticoncentral.net/2015/09/09/the-two-faces-of-jsrt-in-windows-10/";
// Act
string output = string.Empty;
using (var jsEngine = new NodeJsEngine(new NodeSettings {
UseBuiltinLibrary = true
}))
{
output = jsEngine.Evaluate <string>(input);
}
// Assert
Assert.Equal(targetOutput, output);
}
private void ScriptThread(object obj)
{
workQueue.Enqueue(InitializeJsGlobals);
NodeJsEngine.Run(Debugger.IsAttached ? new string[] { "--inspect", "hello.espr" } : new string[] { "hello.espr" },
(eng, ctx) =>
{
_engine = eng;
_context = ctx;
JsTypeDefinition jstypedef = new JsTypeDefinition("LibEspressoClass");
jstypedef.AddMember(new JsMethodDefinition("LoadMainSrcFile", args =>
{
args.SetResult(@"
function MainLoop() {
LibEspresso.Next();
setImmediate(MainLoop);
}
MainLoop();");
}));
jstypedef.AddMember(new JsMethodDefinition("Log", args =>
{
Console.WriteLine(args.GetArgAsObject(0));
}));
jstypedef.AddMember(new JsMethodDefinition("Next", args =>
{
//call from js server
System.Action work;
if (workQueue.TryDequeue(out work))
{
work();
}
}));
_context.RegisterTypeDefinition(jstypedef);
_context.SetVariableFromAny("LibEspresso", _context.CreateWrapper(new object(), jstypedef));
});
}
public void MappingTimeoutErrorDuringExecutionOfCodeIsCorrect()
{
// Arrange
const string input = @"while (true);";
JsTimeoutException exception = null;
// Act
using (var jsEngine = new NodeJsEngine(
new NodeSettings
{
TimeoutInterval = TimeSpan.FromMilliseconds(30)
}
))
{
try
{
jsEngine.Execute(input, "infinite-loop.js");
}
catch (JsTimeoutException e)
{
exception = e;
}
}
// Assert
Assert.NotNull(exception);
Assert.Equal("Timeout error", exception.Category);
Assert.Equal("Script execution exceeded timeout.", exception.Description);
Assert.Empty(exception.Type);
Assert.Empty(exception.DocumentName);
Assert.Equal(0, exception.LineNumber);
Assert.Equal(0, exception.ColumnNumber);
Assert.Empty(exception.SourceFragment);
Assert.Empty(exception.CallStack);
}