public void Generate_WhenGeneratedFunctionIsCalledWithTooManyParameters_ThrowsInvalidOperationException()
{
var generator = new StringArgFactoryGenerator <IStringFilter>();
var factory = generator.Generate <TrimFilter>();
Assert.Throws <InvalidOperationException>(() => factory(new[] { "Too many params" }));
}
public void Generate_WhenTypeHasIntParameters_CreatesFactoryThatAcceptsThoseParameters()
{
var generator = new StringArgFactoryGenerator <IStringFilter>();
var factory = generator.Generate <SubstringFilter>();
var result = factory(new[] { "2", "4" });
Assert.Equal("ooBa", result.Apply("FooBar"));
}
public void Generate_WhenTypeHasParameterlessPublicConstructor_CreatesASimpleFactoryFunction()
{
var generator = new StringArgFactoryGenerator <IStringFilter>();
var factory = generator.Generate <TrimFilter>();
var result = factory(null);
Assert.IsType <TrimFilter>(result);
}
public void Generate_WhenTypeHasNoPublicConstructor_ThrowsInvalidOperationException()
{
var generator = new StringArgFactoryGenerator <IStringFilter>();
Assert.Throws <InvalidOperationException>(() => generator.Generate <PrivateConstructor>());
}
