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>();
}