public void Execute_throws_ArgumentException_if_parameter_wrong_type() { var sut = new StateTransitionParameterized <Sale, SaleState, SaleEvent, string>( stateAccessor: sale => sale.State , stateMutator: (sale, newState) => sale.State = newState , toState: SaleState.Complete , condition: (_, parameter) => parameter == "yes" , name: "test" , priority: 1); Assert.Throws <ArgumentException>(() => sut.Execute(new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, new Sale(saleID: 9), request: 0))); }
public void Execute_doesnt_transition_if_condition_not_met() { var testSale = new Sale(saleID: 55) { State = SaleState.Open }; var sut = new StateTransitionParameterized <Sale, SaleState, SaleEvent, string>( stateAccessor: sale => sale.State , stateMutator: (sale, newState) => sale.State = newState , toState: SaleState.Complete , condition: (_, parameter) => parameter == "yes" , name: "test" , priority: 1); sut.Execute(new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, testSale, request: "NO")); Assert.Equal(SaleState.Open, testSale.State); }
public async Task ExecuteAsync_does_not_change_state_if_condition_not_met() { const SaleState startState = SaleState.Open; const SaleState endState = SaleState.Complete; var sale = new Sale(saleId: 66) { State = startState }; var sut = new StateTransitionParameterized <Sale, SaleState, SaleEvent, string>( stateAccessor: saleToUpdate => saleToUpdate.State , stateMutator: (saleToUpdate, newState) => saleToUpdate.State = newState , toState: endState , conditionAsync: (_, stringParam, inCancelToken) => Task.FromResult(result: false) , name: "test" , priority: 1); await sut.ExecuteAsync(new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, sale, request : "notUsed")); Assert.Equal(startState, sale.State); }
public async Task ExecuteAsync_throws_ArgumentException_if_Request_is_wrong_type() { const SaleState startState = SaleState.Open; var sale = new Sale(saleId: 66) { State = startState }; var sut = new StateTransitionParameterized <Sale, SaleState, SaleEvent, string>( stateAccessor: saleToUpdate => saleToUpdate.State , stateMutator: (saleToUpdate, newState) => saleToUpdate.State = newState , toState: SaleState.Complete , conditionAsync: (_, stringParam, cancelToken) => Task.FromResult(result: true) , name: "test" , priority: 1); using var cancelSource = new CancellationTokenSource(); { var cancelToken = cancelSource.Token; var executionParams = new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, sale, request: 1, cancellationToken: cancelToken); await Assert.ThrowsAsync <ArgumentException>(async() => await sut.ExecuteAsync(executionParams)); } }
public void Execute_sends_notification_if_transition_successful() { var testSale = new Sale(saleID: 55) { State = SaleState.Open }; var sut = new StateTransitionParameterized <Sale, SaleState, SaleEvent, string>( stateAccessor: sale => sale.State , stateMutator: (sale, newState) => sale.State = newState , toState: SaleState.Complete , condition: (_, parameter) => parameter == "yes" , name: "test" , priority: 1); var notificationReceived = false; StateTransitionParameterized <Sale, SaleState, SaleEvent, string> .OnTransitionedEvent += (sale, _) => notificationReceived = true; sut.Execute(new ExecutionParameters <Sale, SaleEvent>(SaleEvent.Pay, testSale, request: "yes")); Assert.True(notificationReceived); }