public void GenericExtensionMethodOnGenericTypeInstantiatedInJs()
{
var options = new Options();
options.AddExtensionMethods(typeof(ObservableExtensions));
var engine = new Engine(options);
engine.SetValue("BaseObservable", typeof(BaseObservable <>));
engine.SetValue("ObservableFactory", typeof(ObservableFactory));
var result = engine.Evaluate(@"
// you can't instantiate generic types in JS (without providing the types as arguments to the constructor) - i.e. not compatible with transpiled typescript
//const observable = new BaseObservable();
//const observable = BaseObservable.GetBoolBaseObservable();
const observable = ObservableFactory.GetBoolBaseObservable();
var result = observable.Where(function(someBool){
return true;
});
observable.Update(false);
observable.BroadcastCompleted();
return result;
");
var baseObservableResult = result.ToObject() as BaseObservable <bool>;
System.Console.WriteLine("GenericExtensionMethodOnOpenGenericType: baseObservableResult: " + baseObservableResult);
Assert.NotNull(baseObservableResult);
Assert.Equal(false, baseObservableResult.Last);
}
public void GenericExtensionMethodOnClosedGenericType2()
{
var options = new Options();
options.AddExtensionMethods(typeof(ObservableExtensions));
var engine = new Engine(options);
NameObservable observable = new NameObservable();
observable.Where((text) =>
{
System.Console.WriteLine("GenericExtensionMethodOnClosedGenericType2: NameObservable: Where: text: " + text);
return(true);
});
engine.SetValue("observable", observable);
var result = engine.Evaluate(@"
var result = observable.Where(function(text){
return true;
});
observable.UpdateName('testing yo');
observable.CommitName();
return result;
");
var nameObservableResult = result.ToObject() as NameObservable;
Assert.NotNull(nameObservableResult);
Assert.Equal("testing yo", nameObservableResult.Last);
}
public void GenericExtensionMethodOnOpenGenericType()
{
var options = new Options();
options.AddExtensionMethods(typeof(ObservableExtensions));
var engine = new Engine(options);
BaseObservable <string> observable = new BaseObservable <string>();
observable.Where((text) =>
{
System.Console.WriteLine("GenericExtensionMethodOnOpenGenericType: BaseObservable: Where: text: " + text);
return(true);
});
engine.SetValue("observable", observable);
var result = engine.Evaluate(@"
var result = observable.Where(function(text){
return true;
});
observable.Update('testing yo');
observable.BroadcastCompleted();
return result;
");
System.Console.WriteLine("GenericExtensionMethodOnOpenGenericType: result: " + result + " result.ToString(): " + result.ToString());
var baseObservableResult = result.ToObject() as BaseObservable <string>;
System.Console.WriteLine("GenericExtensionMethodOnOpenGenericType: baseObservableResult: " + baseObservableResult);
Assert.NotNull(baseObservableResult);
Assert.Equal("testing yo", baseObservableResult.Last);
}
public void GenericTypeExtension()
{
var options = new Options();
options.AddExtensionMethods(typeof(ObservableExtensions));
var engine = new Engine(options);
engine.SetValue("log", new System.Action <object>(System.Console.WriteLine));
NameObservable observable = new NameObservable();
engine.SetValue("observable", observable);
engine.Evaluate(@"
log('before');
observable.Subscribe((name) =>{
log('observable: subscribe: name: ' + name);
});
observable.UpdateName('foobar');
log('after');
");
Assert.Equal("foobar", observable.Last);
}
public void ShouldPrioritizingNonGenericMethod()
{
var options = new Options();
options.AddExtensionMethods(typeof(CustomStringExtensions));
var engine = new Engine(options);
var result = engine.Evaluate("\"{'name':'Mickey'}\".DeserializeObject()").ToObject() as dynamic;
Assert.Equal("Mickey", result.name);
}
public void ShouldInvokeNumberExtensionMethod()
{
var options = new Options();
options.AddExtensionMethods(typeof(DoubleExtensions));
var engine = new Engine(options);
var result = engine.Evaluate("let numb = 27; numb.Add(13)").AsInteger();
Assert.Equal(40, result);
}
public void ShouldInvokeStringExtensionMethod()
{
var options = new Options();
options.AddExtensionMethods(typeof(CustomStringExtensions));
var engine = new Engine(options);
var result = engine.Evaluate("\"Hello World!\".Backwards()").AsString();
Assert.Equal("!dlroW olleH", result);
}
public void ShouldInvokeObjectExtensionMethod()
{
var person = new Person();
person.Name = "Mickey Mouse";
person.Age = 35;
var options = new Options();
options.AddExtensionMethods(typeof(PersonExtensions));
var engine = new Engine(options);
engine.SetValue("person", person);
var age = engine.Evaluate("person.MultiplyAge(2)").AsInteger();
Assert.Equal(70, age);
}
public void HasOwnPropertyShouldWorkCorrectlyInPresenceOfExtensionMethods()
{
var person = new Person();
var options = new Options();
options.AddExtensionMethods(typeof(PersonExtensions));
var engine = new Engine(options);
engine.SetValue("person", person);
var isBogusInPerson = engine.Evaluate("'bogus' in person").AsBoolean();
Assert.False(isBogusInPerson);
var propertyValue = engine.Evaluate("person.bogus");
Assert.Equal(JsValue.Undefined, propertyValue);
}
public void GenericExtensionMethodOnClosedGenericType()
{
var options = new Options();
options.AddExtensionMethods(typeof(ObservableExtensions));
var engine = new Engine(options);
engine.SetValue("log", new System.Action <object>(System.Console.WriteLine));
NameObservable observable = new NameObservable();
engine.SetValue("observable", observable);
var result = engine.Evaluate(@"
log('before calling Select');
var result = observable.Select('some text');
log('result: ' + result);
return result;
");
//System.Console.WriteLine("GenericExtensionMethodOnGenericType: result: " + result + " result.ToString(): " + result.ToString());
Assert.Equal("some text", result);
}
static async Task Main(string[] args)
{
var sc = new ServiceCollection();
sc.AddScripter(options => options
.AddJavaScriptEngine()
.AddTypeScriptEngine()
.AddScripterModule <ConsoleWriterModule>()
.AddScripterModule <CommonModule>()
.AddScripterModule <GlobalVariablesModule>()
);
sc.AddSingleton <IVariablesRepository, VariableRepository>();
sc.AddScoped <Options>(provider =>
{
var opts = new Options();
opts.AddExtensionMethods(typeof(StringExtensions));
return(opts);
});
ServiceProvider = sc.BuildServiceProvider();
await Execute();
}
