public async Task <IActionResult> GetJugProblem([FromQuery] int firstJugCapacity,
[FromQuery] int secondJugCapacity,
[FromQuery] int targetAmount)
{
var solverInputs = new JugProblemInputs(firstJugCapacity, secondJugCapacity, targetAmount);
try
{
var solver = new JugProblemSolver(solverInputs, new OzLogger <JugProblemSolver>(_loggerFactory), _jugConfig.Value);
return(await Task.Run(async() =>
{
var(success, steps) = solver.RunJugProcess();
return await Task.FromResult(new OkObjectResult(new
{
Success = success,
Steps = steps
}));
}));
}
catch (ArgumentException exception)
{
return(await Task.FromResult(new OkObjectResult(new
{
Success = false,
Steps = new List <JugStep>()
})));
}
}
public void Should_Fail_When_Equal_Capacity_But_Target_Is_Not_Gcd()
{
var(inputs, config, logger) = ConfigureInputs(20, 20, 15);
Assert.Throws <ArgumentException>(() =>
{
var solver = new JugProblemSolver(inputs, logger, config);
});
}
public void Should_Succeed_When_Equal_Capacity_And_Target_Is_Capacity()
{
var(inputs, config, logger) = ConfigureInputs(20, 20, 20);
var solver = new JugProblemSolver(inputs, logger, config);
var(success, steps) = solver.RunJugProcess();
Assert.True(success);
Assert.True(steps.Any());
Assert.True(steps.Last().SecondAmount == 0);
Assert.Equal(20, steps.Last().FirstAmount);
}
public void Should_Throw_Exception_When_Jugs_Cannot_Be_Completed()
{
var inputs = new JugProblemInputs(20, 30, 15);
var config = new JugConfig {
MaxIterations = 100
};
var moqLoggerFactory = new Mock <ILoggerFactory>();
var moqLogger = new Mock <IOzLogger <JugProblemSolver> >();
moqLogger.Setup(logger => logger.LogInformation(It.IsAny <string>())).Callback(() => { });
Assert.Throws <ArgumentException>(() =>
{
var solver = new JugProblemSolver(inputs, moqLogger.Object, config);
});
}
public void Should_Find_Jug_Problem_Solution_Correctly()
{
var inputs = new JugProblemInputs(21, 26, 3);
var config = new JugConfig {
MaxIterations = 100
};
var moqLoggerFactory = new Mock <ILoggerFactory>();
var moqLogger = new Mock <IOzLogger <JugProblemSolver> >();
moqLogger.Setup(logger => logger.LogInformation(It.IsAny <string>())).Callback(() => { });
var solver = new JugProblemSolver(inputs, moqLogger.Object, config);
var(result, steps) = solver.RunJugProcess();
Assert.True(result);
Assert.True(steps.Any());
Assert.True(steps.Last().SecondAmount == 0);
}
