public void Should_not_invoke_expression_more_than_once()
{
// Arrange
int invokedNumberOfTimes = 0;
var invokation = FuncFromAction(() => invokedNumberOfTimes++);
var expression = BuilderForExpression.GetBody(() => invokation());
this.StubTrapperToReturnNoConstraints();
// Act
this.factory.GetArgumentConstraint(BuilderForParsedArgumentExpression.Build(x => x.WithExpression(expression)));
// Assert
Assert.That(invokedNumberOfTimes, Is.EqualTo(1));
}
public void Should_not_invoke_expression_more_than_once()
{
// Arrange
ExpressionArgumentConstraintFactory factory = new ExpressionArgumentConstraintFactory(new ArgumentConstraintTrap());
int invokedNumberOfTimes = 0;
Func <object> invocation = () =>
{
invokedNumberOfTimes++;
return(null);
};
var expression = BuilderForExpression.GetBody(() => invocation());
// Act
factory.GetArgumentConstraint(BuilderForParsedArgumentExpression.Build(x => x.WithExpression(expression)));
// Assert
invokedNumberOfTimes.Should().Be(1);
}
public void Should_pass_action_that_invokes_expression_to_trapper()
{
// Arrange
bool wasInvoked = false;
var invokation = FuncFromAction(() => wasInvoked = true);
var expression = BuilderForExpression.GetBody(() => invokation());
// Act
this.factory.GetArgumentConstraint(BuilderForParsedArgumentExpression.Build(x => x.WithExpression(expression)));
// Assert
var actionToTrapper = Fake.GetCalls(this.trapper).Single().GetArgument <Action>(0);
wasInvoked = false;
actionToTrapper.Invoke();
Assert.That(wasInvoked, Is.True);
}
