public void WhenInsufficientBalance_Then400()
{
bool changesPersisted = false;
var accountState = new AccountState
(
Currency: "EUR",
Balance: 1000,
Status: AccountStatus.Active
);
var registry = new AccountRegistry(
loadAccount: _ => Async(Some(accountState)),
saveAndPublish: _ =>
{
changesPersisted = true;
return(Async(Unit()));
});
var controller = new MakeTransferController(
validate: cmd => Invalid("invalid"),
getAccount: id => registry.Lookup(id));
var response = controller.MakeTransfer(new MakeTransfer
{
Amount = 1200
}).Result;
Assert.IsFalse(changesPersisted);
Assert.AreEqual(typeof(BadRequestObjectResult), response.GetType());
}
public void WhenEverythingWorks_Then200()
{
bool changesPersisted = false;
var accountState = new AccountState
(
Currency: "EUR",
Balance: 1000,
Status: AccountStatus.Active
);
var registry = new AccountRegistry(
loadAccount: _ => Async(Some(accountState)),
saveAndPublish: _ =>
{
changesPersisted = true;
return(Async(Unit()));
});
var controller = new MakeTransferController(
validate: cmd => Valid(cmd),
getAccount: id => registry.Lookup(id));
var response = controller.MakeTransfer(new MakeTransfer
{
Amount = 200
}).Result;
Assert.IsTrue(changesPersisted);
Assert.AreEqual(typeof(OkObjectResult), response.GetType());
}
public void WhenLoadingFails_Then500()
{
bool changesPersisted = false;
var accountState = new AccountState
(
Currency: "EUR",
Balance: 1000,
Status: AccountStatus.Active
);
var registry = new AccountRegistry(
loadAccount: _ => { throw new InvalidOperationException(); },
saveAndPublish: _ =>
{
changesPersisted = true;
return(Async(Unit()));
});
var controller = new MakeTransferController(
validate: cmd => Valid(cmd),
getAccount: id => registry.Lookup(id));
var response = controller.MakeTransfer(new MakeTransfer
{
Amount = 200
}).Result;
Assert.IsFalse(changesPersisted);
Assert.AreEqual(typeof(ObjectResult), response.GetType());
}
public void AccountIsOnlyLoadedOnce()
{
int accountLoaded = 0;
int changesPersisted = 0;
var accountState = new AccountState
(
Currency: "EUR",
Balance: 1000,
Status: AccountStatus.Active
);
var registry = new AccountRegistry(
loadAccount: _ =>
{
accountLoaded++;
return(Async(Some(accountState)));
},
saveAndPublish: _ =>
{
changesPersisted++;
return(Async(Unit()));
});
var controller = new MakeTransferController(
validate: Valid,
getAccount: id => registry.Lookup(id));
// make 2 transfers
var cmd = new MakeTransfer {
Amount = 200
};
var x = controller.MakeTransfer(cmd).Result;
var y = controller.MakeTransfer(cmd).Result;
Assert.AreEqual(2, changesPersisted);
Assert.AreEqual(1, accountLoaded);
}
public void WhenAccountDoesntExist_Then400()
{
var registry = new AccountRegistry(
loadAccount: _ => Async((Option <AccountState>)None),
saveAndPublish: _ => Async(Unit()));
var controller = new MakeTransferController(
validate: cmd => Valid(cmd),
getAccount: id => registry.Lookup(id));
var response = controller.MakeTransfer(new MakeTransfer()).Result;
Assert.AreEqual(typeof(BadRequestObjectResult), response.GetType());
}
public void WhenValidationFails_Then400()
{
bool changesPersisted = false;
var registry = new AccountRegistry(
loadAccount: _ => Async(Some(new AccountState(Currency: "EUR"))),
saveAndPublish: _ =>
{
changesPersisted = true;
return(Async(Unit()));
});
var controller = new MakeTransferController(
validate: cmd => Invalid("invalid"),
getAccount: id => registry.Lookup(id));
var response = controller.MakeTransfer(new MakeTransfer()).Result;
Assert.IsFalse(changesPersisted);
Assert.AreEqual(typeof(BadRequestObjectResult), response.GetType());
}
public void WhenPersistenceFails_Then500()
{
var accountState = new AccountState
(
Currency: "EUR",
Balance: 1000,
Status: AccountStatus.Active
);
var registry = new AccountRegistry(
loadAccount: _ => Async(Some(accountState)),
saveAndPublish: _ => { throw new InvalidOperationException(); });
var controller = new MakeTransferController(
validate: cmd => Valid(cmd),
getAccount: id => registry.Lookup(id));
var response = controller.MakeTransfer(new MakeTransfer
{
Amount = 200
}).Result;
Assert.AreEqual(typeof(ObjectResult), response.GetType());
}