public async Task Allows_Execution_Of_Configured_Rules()
{
var doerOfThings = new Mock <IDoThings>();
var rules = new IRule[] { new TrueRule(), new FalseRule1() };
var command = new CommandStub(doerOfThings.Object, rules);
var errors = (await command.ValidateAsync()).Errors.ToArray();
errors.Count().ShouldBe(1);
errors.First().ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public async Task Operation_Cannot_Complete_If_Any_Rules_Fail_Validation()
{
var doerOfThings = new Mock <IDoThings>();
var rules = new IRule[] { new TrueRule(), new FalseRule1() };
var command = new CommandStub(doerOfThings.Object, rules);
var result = await command.ValidateAsync();
result.CanContinue.ShouldBe(false);
result.Errors.Count().ShouldBe(1);
result.Errors.First().ErrorMessage.ShouldBe("FalseRule1 failed validation");
}
public async Task Operation_Can_Complete_If_Rules_Pass_Validation_And_Complete_Validation_With_Successful_Validation_Results()
{
var doerOfThings = new Mock <IDoThings>();
doerOfThings.Setup(d => d.GetValue()).Returns("You shall pass");
var rules = new IRule[] { new TrueRule(), new TrueRule() };
var command = new CommandStub(doerOfThings.Object, rules);
var validationResult = await command.ValidateAsync();
validationResult.CanContinue.ShouldBeTrue();
validationResult.Errors.Count().ShouldBe(0);
var executionResult = await validationResult.CompleteCommandExecutionAsync();
executionResult.Success.ShouldBeTrue();
executionResult.Value.ShouldBe("You shall pass");
}
public async Task Completion_Properly_Handles_Caught_Peasy_Exception()
{
var doerOfThings = new Mock <IDoThings>();
doerOfThings.Setup(d => d.GetValue()).Throws(new PeasyException("You shall not pass"));
var rules = new IRule[] { new TrueRule(), new TrueRule() };
var command = new CommandStub(doerOfThings.Object, rules);
var validationResult = await command.ValidateAsync();
validationResult.CanContinue.ShouldBeTrue();
validationResult.Errors.Count().ShouldBe(0);
var executionResult = await validationResult.CompleteCommandExecutionAsync();
executionResult.Success.ShouldBeFalse();
executionResult.Errors.Count().ShouldBe(1);
executionResult.Errors.First().ErrorMessage.ShouldBe("You shall not pass");
}