public void ShouldUseRegisteredCommandHandlerToExecuteCommand()
{
List <IQueryHandler> queryHandlers =
Enumerable.Repeat <IQueryHandler>(new TestQueryHandler1 <TestQuery1, string>(string.Empty), 1)
.ToList();
var mockHandler = new TestCommandHandler1 <TestCommand1>();
ICollection <ICommandHandler> commandHandlers = new List <ICommandHandler>
{
mockHandler
};
var command = new TestCommand1();
var dispatcher = new CommandAndQueryDispatcher(commandHandlers, queryHandlers);
dispatcher.ExecuteCommand(command);
mockHandler.CommandExecuted.Should().Be(command);
}
public void ShouldThrowInvalidOperationExceptionWhenNoCommandHandlerIsRegistered()
{
List <IQueryHandler> queryHandlers =
Enumerable.Repeat <IQueryHandler>(new TestQueryHandler1 <TestQuery1, string>(string.Empty), 1)
.ToList();
var mockHandler = new TestCommandHandler1 <TestCommand1>();
ICollection <ICommandHandler> commandHandlers = new List <ICommandHandler>
{
mockHandler,
};
var command = new TestCommand2();
var dispatcher = new CommandAndQueryDispatcher(commandHandlers, queryHandlers);
Action action = () => dispatcher.ExecuteCommand(command);
action.ShouldThrow <InvalidOperationException>();
}
public void ShouldUseRegisteredQueryHandlerToExecuteQuery()
{
const string expectedResult = "expectedResult";
var mockHandler = new TestQueryHandler1 <TestQuery1, string>(expectedResult);
ICollection <ICommandHandler> commandHandlers =
Enumerable.Repeat <ICommandHandler>(new TestCommandHandler1 <TestCommand1>(), 1).ToList();
ICollection <IQueryHandler> queryHandlers = new List <IQueryHandler>
{
mockHandler
};
var query = new TestQuery1();
var dispatcher = new CommandAndQueryDispatcher(commandHandlers, queryHandlers);
string queryResult = dispatcher.ExecuteQuery(query);
mockHandler.QueryExecuted.Should().Be(query);
queryResult.Should().Be(expectedResult);
}
public void ShouldThrowInvalidOperationExceptionWhenQueryHandlerIsNotRegistered()
{
const string expectedResult = "expectedResult";
const string expectedResult2 = "expectedResult2";
var mockHandler = new TestQueryHandler1 <TestQuery1, string>(expectedResult);
ICollection <ICommandHandler> commandHandlers =
Enumerable.Repeat <ICommandHandler>(new TestCommandHandler1 <TestCommand1>(), 1).ToList();
ICollection <IQueryHandler> queryHandlers = new List <IQueryHandler>
{
mockHandler,
};
var query = new TestQuery2();
var dispatcher = new CommandAndQueryDispatcher(commandHandlers, queryHandlers);
string queryResult;
Action action = () => queryResult = dispatcher.ExecuteQuery(query);
action.ShouldThrow <InvalidOperationException>();
}
