public void ConversionShouldBeCalledBetweenDifferentSignatures()
{
object theDefault = "42";
Func<string, int> convert1 = app => int.Parse(app, CultureInfo.InvariantCulture) + 1;
Func<int, string> convert2 = app => app.ToString(CultureInfo.InvariantCulture) + "2";
Func<string, string> middleware1 = app => app + "3";
Func<int, int> middleware2 = app => app + 4;
var builder = new AppBuilder();
builder.AddSignatureConversion(convert1);
builder.AddSignatureConversion(convert2);
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew<int>(x => x.Use(middleware1).Use(middleware2));
// "42" + 1: 43 // theDefault passed through convert1 for next middleware
// 43 + 4: 47 // passed through middleware2
// 47 + "2": "472" // passed through convert2 for next middleware
// "472" + "3": "4723" // passed through middleware1
// "4723" + 1: 4724 // passed through convert1 to return
theApp.ShouldBe(4724);
}
public void ConversionShouldBeCalledBetweenDifferentSignatures()
{
object theDefault = "42";
Func <string, int> convert1 = app => int.Parse(app, CultureInfo.InvariantCulture) + 1;
Func <int, string> convert2 = app => app.ToString(CultureInfo.InvariantCulture) + "2";
Func <string, string> middleware1 = app => app + "3";
Func <int, int> middleware2 = app => app + 4;
var builder = new AppBuilder();
builder.AddSignatureConversion(convert1);
builder.AddSignatureConversion(convert2);
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew <int>(x => x.Use(middleware1).Use(middleware2));
// "42" + 1: 43 // theDefault passed through convert1 for next middleware
// 43 + 4: 47 // passed through middleware2
// 47 + "2": "472" // passed through convert2 for next middleware
// "472" + "3": "4723" // passed through middleware1
// "4723" + 1: 4724 // passed through convert1 to return
theApp.ShouldBe(4724);
}
public void InstanceMemberNamedInvokeShouldQualifyAsAppWithRun()
{
var theSite = new MySite();
var builder = new AppBuilder();
var theApp = builder.BuildNew <Func <int, string> >(x => x.Run(theSite));
theApp(42).ShouldBe("Called[42]");
}
public void DelegateShouldQualifyAsAppWithRun()
{
Func <int, string> theDefault = call => "Hello[" + call + "]";
Func <int, string> theSite = call => "Called[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew <Func <int, string> >(x => x.Run(theSite));
theApp(42).ShouldBe("Called[42]");
}
public void OtherObjectShouldThrow()
{
Func <int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
Should.Throw <NotSupportedException>(() =>
{
var theApp = builder.BuildNew <Func <int, string> >(
x => x.Use(new object()));
});
}
public void TypeofClassConstructorsWithWrongParameterCountShouldThrow()
{
Func <int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
Should.Throw <MissingMethodException>(() =>
{
var theApp = builder.BuildNew <Func <int, string> >(
x => x.Use(typeof(StringPlusValue2), "arg 1", "extra arg"));
});
}
public void InstanceMemberNamedInvokeShouldQualifyAsMiddlewareFactory()
{
Func<int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew<Func<int, string>>(
x => x
.Use(new StringPlusValue(" world!"))
.Use(new StringPlusValue(" there,")));
theApp(42).ShouldBe("Hello[42] there, world!");
}
public void InstanceMemberNamedInvokeShouldQualifyAsMiddlewareFactory()
{
Func <int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew <Func <int, string> >(
x => x
.Use(new StringPlusValue(" world!"))
.Use(new StringPlusValue(" there,")));
theApp(42).ShouldBe("Hello[42] there, world!");
}
public void TypeofClassConstructorsShouldQualifyAsMiddlewareFactory()
{
Func <int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew <Func <int, string> >(
x => x
.Use(typeof(StringPlusValue2), " world!")
.Use(typeof(StringPlusValue2), " there,"));
theApp(42).ShouldBe("Hello[42] there, world!");
}
public void DelegateShouldBeCalledToAddMiddlewareAroundTheDefaultApp()
{
var theNext = "next";
var theMiddle = "middle";
var theDefault = "default";
Func<string, string> middleware = next =>
{
theNext = next;
return theMiddle;
};
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew<string>(x => x.Use(middleware));
builder.Run(theApp);
theNext.ShouldBeSameAs(theDefault);
theApp.ShouldBeSameAs(theMiddle);
theApp.ShouldNotBeSameAs(theDefault);
}
public void DelegateShouldBeCalledToAddMiddlewareAroundTheDefaultApp()
{
var theNext = "next";
var theMiddle = "middle";
var theDefault = "default";
Func <string, string> middleware = next =>
{
theNext = next;
return(theMiddle);
};
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew <string>(x => x.Use(middleware));
builder.Run(theApp);
theNext.ShouldBeSameAs(theDefault);
theApp.ShouldBeSameAs(theMiddle);
theApp.ShouldNotBeSameAs(theDefault);
}
public void TypeofClassConstructorsWithWrongParameterCountShouldThrow()
{
Func<int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
Should.Throw<MissingMethodException>(() =>
{
var theApp = builder.BuildNew<Func<int, string>>(
x => x.Use(typeof(StringPlusValue2), "arg 1", "extra arg"));
});
}
public void TypeofClassConstructorsShouldQualifyAsMiddlewareFactory()
{
Func<int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew<Func<int, string>>(
x => x
.Use(typeof(StringPlusValue2), " world!")
.Use(typeof(StringPlusValue2), " there,"));
theApp(42).ShouldBe("Hello[42] there, world!");
}
public void OtherObjectShouldThrow()
{
Func<int, string> theDefault = call => "Hello[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
Should.Throw<NotSupportedException>(() =>
{
var theApp = builder.BuildNew<Func<int, string>>(
x => x.Use(new object()));
});
}
public void InstanceMemberNamedInvokeShouldQualifyAsAppWithRun()
{
var theSite = new MySite();
var builder = new AppBuilder();
var theApp = builder.BuildNew<Func<int, string>>(x => x.Run(theSite));
theApp(42).ShouldBe("Called[42]");
}
public void DelegateShouldQualifyAsAppWithRun()
{
Func<int, string> theDefault = call => "Hello[" + call + "]";
Func<int, string> theSite = call => "Called[" + call + "]";
var builder = new AppBuilder();
builder.Properties["builder.DefaultApp"] = theDefault;
var theApp = builder.BuildNew<Func<int, string>>(x => x.Run(theSite));
theApp(42).ShouldBe("Called[42]");
}
